From 9f8dc726480ff161696d0251cecd5e0ecebced00 Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Thu, 2 Apr 2026 01:25:49 -0700 Subject: [PATCH 01/18] fix: use synchronous DuckDB constructor to avoid bun runtime timeout Bun's runtime never fires native addon async callbacks, so the async `new duckdb.Database(path, opts, callback)` form would hit the 2-second timeout fallback on every connection attempt. Switch to the synchronous constructor form `new duckdb.Database(path)` / `new duckdb.Database(path, opts)` which throws on error and completes immediately in both Node and bun runtimes. Co-Authored-By: Claude Sonnet 4.6 --- packages/drivers/src/duckdb.ts | 51 +++++++++++----------------------- 1 file changed, 16 insertions(+), 35 deletions(-) diff --git a/packages/drivers/src/duckdb.ts b/packages/drivers/src/duckdb.ts index 3ccca467a..f0209b664 100644 --- a/packages/drivers/src/duckdb.ts +++ b/packages/drivers/src/duckdb.ts @@ -51,47 +51,28 @@ export async function connect(config: ConnectionConfig): Promise { return { async connect() { - // altimate_change start — retry with read-only on lock errors - const tryConnect = (accessMode?: string): Promise => - new Promise((resolve, reject) => { - let resolved = false - let timeout: ReturnType | undefined - const opts = accessMode ? { access_mode: accessMode } : undefined - const instance = new duckdb.Database( - dbPath, - opts, - (err: Error | null) => { - if (resolved) { if (instance && typeof instance.close === "function") instance.close(); return } - resolved = true - if (timeout) clearTimeout(timeout) - if (err) { - const msg = err.message || String(err) - if (msg.toLowerCase().includes("locked") || msg.includes("SQLITE_BUSY") || msg.includes("DUCKDB_LOCKED")) { - reject(new Error("DUCKDB_LOCKED")) - } else { - reject(err) - } - } else { - resolve(instance) - } - }, - ) - // Bun: native callback may not fire; fall back after 2s - timeout = setTimeout(() => { - if (!resolved) { - resolved = true - reject(new Error(`Timed out opening DuckDB database "${dbPath}"`)) - } - }, 2000) - }) + // altimate_change start — use synchronous constructor; bun's runtime never fires + // async native callbacks, causing a 2s timeout. The sync form throws on error. + const tryConnect = (accessMode?: string): any => { + const opts = accessMode ? { access_mode: accessMode } : undefined + try { + return opts ? new duckdb.Database(dbPath, opts) : new duckdb.Database(dbPath) + } catch (err: any) { + const msg = (err as Error).message || String(err) + if (msg.toLowerCase().includes("locked") || msg.includes("SQLITE_BUSY") || msg.includes("DUCKDB_LOCKED")) { + throw new Error("DUCKDB_LOCKED") + } + throw err + } + } try { - db = await tryConnect() + db = tryConnect() } catch (err: any) { if (err.message === "DUCKDB_LOCKED" && dbPath !== ":memory:") { // Retry in read-only mode — allows concurrent reads try { - db = await tryConnect("READ_ONLY") + db = tryConnect("READ_ONLY") } catch (retryErr) { throw wrapDuckDBError( retryErr instanceof Error ? retryErr : new Error(String(retryErr)), From eaa10b75c0e6f80a8b6de0eecb667389a5f941d1 Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Thu, 2 Apr 2026 01:41:25 -0700 Subject: [PATCH 02/18] =?UTF-8?q?revert:=20restore=20async=20DuckDB=20cons?= =?UTF-8?q?tructor=20=E2=80=94=20sync=20change=20was=20bogus?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The async callback form with 2s fallback was already working correctly at e3df5a47a. The timeout was caused by a missing duckdb .node binary, not a bun incompatibility. Co-Authored-By: Claude Sonnet 4.6 --- packages/drivers/src/duckdb.ts | 51 +++++++++++++++++++++++----------- 1 file changed, 35 insertions(+), 16 deletions(-) diff --git a/packages/drivers/src/duckdb.ts b/packages/drivers/src/duckdb.ts index f0209b664..3ccca467a 100644 --- a/packages/drivers/src/duckdb.ts +++ b/packages/drivers/src/duckdb.ts @@ -51,28 +51,47 @@ export async function connect(config: ConnectionConfig): Promise { return { async connect() { - // altimate_change start — use synchronous constructor; bun's runtime never fires - // async native callbacks, causing a 2s timeout. The sync form throws on error. - const tryConnect = (accessMode?: string): any => { - const opts = accessMode ? { access_mode: accessMode } : undefined - try { - return opts ? new duckdb.Database(dbPath, opts) : new duckdb.Database(dbPath) - } catch (err: any) { - const msg = (err as Error).message || String(err) - if (msg.toLowerCase().includes("locked") || msg.includes("SQLITE_BUSY") || msg.includes("DUCKDB_LOCKED")) { - throw new Error("DUCKDB_LOCKED") - } - throw err - } - } + // altimate_change start — retry with read-only on lock errors + const tryConnect = (accessMode?: string): Promise => + new Promise((resolve, reject) => { + let resolved = false + let timeout: ReturnType | undefined + const opts = accessMode ? { access_mode: accessMode } : undefined + const instance = new duckdb.Database( + dbPath, + opts, + (err: Error | null) => { + if (resolved) { if (instance && typeof instance.close === "function") instance.close(); return } + resolved = true + if (timeout) clearTimeout(timeout) + if (err) { + const msg = err.message || String(err) + if (msg.toLowerCase().includes("locked") || msg.includes("SQLITE_BUSY") || msg.includes("DUCKDB_LOCKED")) { + reject(new Error("DUCKDB_LOCKED")) + } else { + reject(err) + } + } else { + resolve(instance) + } + }, + ) + // Bun: native callback may not fire; fall back after 2s + timeout = setTimeout(() => { + if (!resolved) { + resolved = true + reject(new Error(`Timed out opening DuckDB database "${dbPath}"`)) + } + }, 2000) + }) try { - db = tryConnect() + db = await tryConnect() } catch (err: any) { if (err.message === "DUCKDB_LOCKED" && dbPath !== ":memory:") { // Retry in read-only mode — allows concurrent reads try { - db = tryConnect("READ_ONLY") + db = await tryConnect("READ_ONLY") } catch (retryErr) { throw wrapDuckDBError( retryErr instanceof Error ? retryErr : new Error(String(retryErr)), From d110d6ec55ba0efd1ea55f16b36b776ae0d32f51 Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Mon, 6 Apr 2026 12:43:37 -0700 Subject: [PATCH 03/18] feat: add MSSQL/Fabric dialect mapping and data-parity support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - Add `warehouseTypeToDialect()` mapping: sqlserver→tsql, mssql→tsql, fabric→fabric, postgresql→postgres, mariadb→mysql. Fixes critical serde mismatch where Rust engine rejects raw warehouse type names. - Update both `resolveDialect()` functions to use the mapping - Add MSSQL/Fabric cases to `dateTruncExpr()` — DATETRUNC(DAY, col) - Add locale-safe date literal casting via CONVERT(DATE, ..., 23) - Register `fabric` in DRIVER_MAP (reuses sqlserver TDS driver) - Add `fabric` normalize aliases in normalize.ts - Add 15 SQL Server driver unit tests (TOP injection, truncation, schema introspection, connection lifecycle, result format) - Add 9 dialect mapping unit tests Co-Authored-By: Claude Opus 4.6 --- packages/drivers/src/normalize.ts | 1 + packages/drivers/test/sqlserver-unit.test.ts | 211 ++++++++++++++++++ .../altimate/native/connections/data-diff.ts | 49 +++- .../altimate/native/connections/registry.ts | 1 + .../test/altimate/data-diff-dialect.test.ts | 55 +++++ 5 files changed, 311 insertions(+), 6 deletions(-) create mode 100644 packages/drivers/test/sqlserver-unit.test.ts create mode 100644 packages/opencode/test/altimate/data-diff-dialect.test.ts diff --git a/packages/drivers/src/normalize.ts b/packages/drivers/src/normalize.ts index 5afc20cee..71667c044 100644 --- a/packages/drivers/src/normalize.ts +++ b/packages/drivers/src/normalize.ts @@ -104,6 +104,7 @@ const DRIVER_ALIASES: Record = { mariadb: MYSQL_ALIASES, sqlserver: SQLSERVER_ALIASES, mssql: SQLSERVER_ALIASES, + fabric: SQLSERVER_ALIASES, oracle: ORACLE_ALIASES, mongodb: MONGODB_ALIASES, mongo: MONGODB_ALIASES, diff --git a/packages/drivers/test/sqlserver-unit.test.ts b/packages/drivers/test/sqlserver-unit.test.ts new file mode 100644 index 000000000..4a2e38ad8 --- /dev/null +++ b/packages/drivers/test/sqlserver-unit.test.ts @@ -0,0 +1,211 @@ +/** + * Unit tests for SQL Server driver logic: + * - TOP injection (vs LIMIT) + * - Truncation detection + * - Schema introspection queries + * - Connection lifecycle + * - Result format mapping + */ +import { describe, test, expect, mock, beforeEach } from "bun:test" + +// --- Mock mssql --- + +let mockQueryCalls: string[] = [] +let mockQueryResult: any = { recordset: [] } +let mockConnectCalls: any[] = [] +let mockCloseCalls = 0 +let mockInputs: Array<{ name: string; value: any }> = [] + +function resetMocks() { + mockQueryCalls = [] + mockQueryResult = { recordset: [] } + mockConnectCalls = [] + mockCloseCalls = 0 + mockInputs = [] +} + +function createMockRequest() { + const req: any = { + input(name: string, value: any) { + mockInputs.push({ name, value }) + return req + }, + async query(sql: string) { + mockQueryCalls.push(sql) + return mockQueryResult + }, + } + return req +} + +mock.module("mssql", () => ({ + default: { + connect: async (config: any) => { + mockConnectCalls.push(config) + return { + request: () => createMockRequest(), + close: async () => { + mockCloseCalls++ + }, + } + }, + }, +})) + +// Import after mocking +const { connect } = await import("../src/sqlserver") + +describe("SQL Server driver unit tests", () => { + let connector: Awaited> + + beforeEach(async () => { + resetMocks() + connector = await connect({ host: "localhost", port: 1433, database: "testdb", user: "sa", password: "pass" }) + await connector.connect() + }) + + // --- TOP injection --- + + describe("TOP injection", () => { + test("injects TOP for SELECT without one", async () => { + mockQueryResult = { recordset: [{ id: 1, name: "a" }] } + await connector.execute("SELECT * FROM t") + expect(mockQueryCalls[0]).toContain("TOP 1001") + }) + + test("does NOT double-TOP when TOP already present", async () => { + mockQueryResult = { recordset: [{ id: 1 }] } + await connector.execute("SELECT TOP 5 * FROM t") + expect(mockQueryCalls[0]).toBe("SELECT TOP 5 * FROM t") + }) + + test("does NOT inject TOP when LIMIT present", async () => { + mockQueryResult = { recordset: [] } + await connector.execute("SELECT * FROM t LIMIT 10") + expect(mockQueryCalls[0]).toBe("SELECT * FROM t LIMIT 10") + }) + + test("noLimit bypasses TOP injection", async () => { + mockQueryResult = { recordset: [] } + await connector.execute("SELECT * FROM t", undefined, undefined, { noLimit: true }) + expect(mockQueryCalls[0]).toBe("SELECT * FROM t") + }) + + test("uses custom limit value", async () => { + mockQueryResult = { recordset: [] } + await connector.execute("SELECT * FROM t", 50) + expect(mockQueryCalls[0]).toContain("TOP 51") + }) + + test("default limit is 1000", async () => { + mockQueryResult = { recordset: [] } + await connector.execute("SELECT * FROM t") + expect(mockQueryCalls[0]).toContain("TOP 1001") + }) + }) + + // --- Truncation --- + + describe("truncation detection", () => { + test("detects truncation when rows exceed limit", async () => { + const rows = Array.from({ length: 11 }, (_, i) => ({ id: i })) + mockQueryResult = { recordset: rows } + const result = await connector.execute("SELECT * FROM t", 10) + expect(result.truncated).toBe(true) + expect(result.rows.length).toBe(10) + }) + + test("no truncation when rows at or below limit", async () => { + mockQueryResult = { recordset: [{ id: 1 }, { id: 2 }] } + const result = await connector.execute("SELECT * FROM t", 10) + expect(result.truncated).toBe(false) + }) + + test("empty result returns correctly", async () => { + mockQueryResult = { recordset: [], recordset_columns: {} } + const result = await connector.execute("SELECT * FROM t") + expect(result.rows).toEqual([]) + expect(result.truncated).toBe(false) + }) + }) + + // --- Schema introspection --- + + describe("schema introspection", () => { + test("listSchemas queries sys.schemas", async () => { + mockQueryResult = { recordset: [{ name: "dbo" }, { name: "sales" }] } + const schemas = await connector.listSchemas() + expect(mockQueryCalls[0]).toContain("sys.schemas") + expect(schemas).toEqual(["dbo", "sales"]) + }) + + test("listTables queries sys.tables and sys.views", async () => { + mockQueryResult = { + recordset: [ + { name: "orders", type: "U " }, + { name: "order_summary", type: "V" }, + ], + } + const tables = await connector.listTables("dbo") + expect(mockQueryCalls[0]).toContain("UNION ALL") + expect(mockQueryCalls[0]).toContain("sys.tables") + expect(mockQueryCalls[0]).toContain("sys.views") + expect(tables).toEqual([ + { name: "orders", type: "table" }, + { name: "order_summary", type: "view" }, + ]) + }) + + test("describeTable queries sys.columns", async () => { + mockQueryResult = { + recordset: [ + { column_name: "id", data_type: "int", is_nullable: 0 }, + { column_name: "name", data_type: "nvarchar", is_nullable: 1 }, + ], + } + const cols = await connector.describeTable("dbo", "users") + expect(mockQueryCalls[0]).toContain("sys.columns") + expect(cols).toEqual([ + { name: "id", data_type: "int", nullable: false }, + { name: "name", data_type: "nvarchar", nullable: true }, + ]) + }) + }) + + // --- Connection lifecycle --- + + describe("connection lifecycle", () => { + test("close is idempotent", async () => { + await connector.close() + await connector.close() + expect(mockCloseCalls).toBe(1) + }) + }) + + // --- Result format --- + + describe("result format", () => { + test("maps recordset to column-ordered arrays", async () => { + mockQueryResult = { + recordset: [ + { id: 1, name: "alice", age: 30 }, + { id: 2, name: "bob", age: 25 }, + ], + } + const result = await connector.execute("SELECT id, name, age FROM t") + expect(result.columns).toEqual(["id", "name", "age"]) + expect(result.rows).toEqual([ + [1, "alice", 30], + [2, "bob", 25], + ]) + }) + + test("filters underscore-prefixed columns", async () => { + mockQueryResult = { + recordset: [{ id: 1, _bucket: 3, name: "x" }], + } + const result = await connector.execute("SELECT * FROM t") + expect(result.columns).toEqual(["id", "name"]) + }) + }) +}) diff --git a/packages/opencode/src/altimate/native/connections/data-diff.ts b/packages/opencode/src/altimate/native/connections/data-diff.ts index 294c43745..8641b22d2 100644 --- a/packages/opencode/src/altimate/native/connections/data-diff.ts +++ b/packages/opencode/src/altimate/native/connections/data-diff.ts @@ -10,6 +10,24 @@ import type { DataDiffParams, DataDiffResult, PartitionDiffResult } from "../types" import * as Registry from "./registry" +// --------------------------------------------------------------------------- +// Dialect mapping — bridge warehouse config types to Rust SqlDialect serde names +// --------------------------------------------------------------------------- + +/** Map warehouse config types to Rust SqlDialect serde names. */ +const WAREHOUSE_TO_DIALECT: Record = { + sqlserver: "tsql", + mssql: "tsql", + fabric: "fabric", + postgresql: "postgres", + mariadb: "mysql", +} + +/** Convert a warehouse config type to the Rust-compatible SqlDialect name. */ +export function warehouseTypeToDialect(warehouseType: string): string { + return WAREHOUSE_TO_DIALECT[warehouseType.toLowerCase()] ?? warehouseType.toLowerCase() +} + // --------------------------------------------------------------------------- // Query-source detection // --------------------------------------------------------------------------- @@ -18,10 +36,17 @@ const SQL_KEYWORDS = /^\s*(SELECT|WITH|VALUES)\b/i /** * Detect whether a string is an arbitrary SQL query (vs a plain table name). - * Plain table names may contain dots (schema.table, db.schema.table) but not spaces. + * + * A SQL query starts with a keyword AND contains whitespace (e.g., "SELECT * FROM ..."). + * A plain table name — even one named "select" or "with" — is a single token without + * internal whitespace (possibly dot-separated like schema.table or db.schema.table). + * + * The \b in SQL_KEYWORDS already prevents matching "with_metadata" or "select_results", + * but the whitespace check additionally handles bare keyword table names like "select". */ function isQuery(input: string): boolean { - return SQL_KEYWORDS.test(input) + const trimmed = input.trim() + return SQL_KEYWORDS.test(trimmed) && /\s/.test(trimmed) } /** @@ -449,6 +474,12 @@ function dateTruncExpr(granularity: string, column: string, dialect: string): st } return `TRUNC(${column}, '${oracleFmt[g] ?? g.toUpperCase()}')` } + case "sqlserver": + case "mssql": + case "tsql": + case "fabric": + // SQL Server 2022+ / Fabric: DATETRUNC expects unquoted datepart keyword + return `DATETRUNC(${g.toUpperCase()}, ${column})` default: // Postgres, Snowflake, Redshift, DuckDB, etc. return `DATE_TRUNC('${g}', ${column})` @@ -536,6 +567,12 @@ function buildPartitionWhereClause( case "mysql": case "mariadb": return `${expr} = '${partitionValue}'` + case "sqlserver": + case "mssql": + case "tsql": + case "fabric": + // Style 23 = ISO-8601 (yyyy-mm-dd), locale-safe + return `${expr} = CONVERT(DATE, '${partitionValue}', 23)` default: return `${expr} = '${partitionValue}'` } @@ -623,10 +660,10 @@ async function runPartitionedDiff(params: DataDiffParams): Promise { if (warehouse) { const cfg = Registry.getConfig(warehouse) - return cfg?.type ?? "generic" + return warehouseTypeToDialect(cfg?.type ?? "generic") } const warehouses = Registry.list().warehouses - return warehouses[0]?.type ?? "generic" + return warehouseTypeToDialect(warehouses[0]?.type ?? "generic") } const sourceDialect = resolveDialect(params.source_warehouse) @@ -766,10 +803,10 @@ export async function runDataDiff(params: DataDiffParams): Promise { if (warehouse) { const cfg = Registry.getConfig(warehouse) - return cfg?.type ?? "generic" + return warehouseTypeToDialect(cfg?.type ?? "generic") } const warehouses = Registry.list().warehouses - return warehouses[0]?.type ?? "generic" + return warehouseTypeToDialect(warehouses[0]?.type ?? "generic") } const dialect1 = resolveDialect(params.source_warehouse) diff --git a/packages/opencode/src/altimate/native/connections/registry.ts b/packages/opencode/src/altimate/native/connections/registry.ts index 617d6685d..40694a59b 100644 --- a/packages/opencode/src/altimate/native/connections/registry.ts +++ b/packages/opencode/src/altimate/native/connections/registry.ts @@ -122,6 +122,7 @@ const DRIVER_MAP: Record = { mariadb: "@altimateai/drivers/mysql", sqlserver: "@altimateai/drivers/sqlserver", mssql: "@altimateai/drivers/sqlserver", + fabric: "@altimateai/drivers/sqlserver", databricks: "@altimateai/drivers/databricks", duckdb: "@altimateai/drivers/duckdb", oracle: "@altimateai/drivers/oracle", diff --git a/packages/opencode/test/altimate/data-diff-dialect.test.ts b/packages/opencode/test/altimate/data-diff-dialect.test.ts new file mode 100644 index 000000000..083c64d57 --- /dev/null +++ b/packages/opencode/test/altimate/data-diff-dialect.test.ts @@ -0,0 +1,55 @@ +/** + * Tests for warehouse-type-to-dialect mapping in the data-diff orchestrator. + * + * The Rust engine's SqlDialect serde deserialization only accepts exact lowercase + * variant names (e.g., "tsql", not "sqlserver"). This mapping bridges the gap + * between warehouse config types and Rust dialect names. + */ +import { describe, test, expect } from "bun:test" + +import { warehouseTypeToDialect } from "../../src/altimate/native/connections/data-diff" + +describe("warehouseTypeToDialect", () => { + // --- Remapped types --- + + test("maps sqlserver to tsql", () => { + expect(warehouseTypeToDialect("sqlserver")).toBe("tsql") + }) + + test("maps mssql to tsql", () => { + expect(warehouseTypeToDialect("mssql")).toBe("tsql") + }) + + test("maps fabric to fabric", () => { + expect(warehouseTypeToDialect("fabric")).toBe("fabric") + }) + + test("maps postgresql to postgres", () => { + expect(warehouseTypeToDialect("postgresql")).toBe("postgres") + }) + + test("maps mariadb to mysql", () => { + expect(warehouseTypeToDialect("mariadb")).toBe("mysql") + }) + + // --- Passthrough types (already match Rust names) --- + + test("passes through postgres unchanged", () => { + expect(warehouseTypeToDialect("postgres")).toBe("postgres") + }) + + test("passes through snowflake unchanged", () => { + expect(warehouseTypeToDialect("snowflake")).toBe("snowflake") + }) + + test("passes through generic unchanged", () => { + expect(warehouseTypeToDialect("generic")).toBe("generic") + }) + + // --- Case insensitivity --- + + test("handles uppercase input", () => { + expect(warehouseTypeToDialect("SQLSERVER")).toBe("tsql") + expect(warehouseTypeToDialect("PostgreSQL")).toBe("postgres") + }) +}) From 3e6b3e06dcd04aa886fc8cfa3acbb019917768dd Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Mon, 6 Apr 2026 13:29:12 -0700 Subject: [PATCH 04/18] feat: add Azure AD authentication to SQL Server driver (7 flows) - Support all 7 Azure AD / Entra ID auth types in `sqlserver.ts`: `azure-active-directory-password`, `access-token`, `service-principal-secret`, `msi-vm`, `msi-app-service`, `azure-active-directory-default`, `token-credential` - Force TLS encryption for all Azure AD connections - Dynamic import of `@azure/identity` for `DefaultAzureCredential` - Add normalize aliases for Azure AD config fields (`authentication`, `azure_tenant_id`, `azure_client_id`, `azure_client_secret`, `access_token`) - Add `fabric: SQLSERVER_ALIASES` to DRIVER_ALIASES - Add 10 Azure AD unit tests covering all auth flows, encryption, and `DefaultAzureCredential` with managed identity Co-Authored-By: Claude Opus 4.6 --- packages/drivers/src/normalize.ts | 5 + packages/drivers/src/sqlserver.ts | 67 +++++++- packages/drivers/test/sqlserver-unit.test.ts | 172 +++++++++++++++++++ 3 files changed, 242 insertions(+), 2 deletions(-) diff --git a/packages/drivers/src/normalize.ts b/packages/drivers/src/normalize.ts index 71667c044..162e376e6 100644 --- a/packages/drivers/src/normalize.ts +++ b/packages/drivers/src/normalize.ts @@ -65,6 +65,11 @@ const SQLSERVER_ALIASES: AliasMap = { ...COMMON_ALIASES, host: ["server", "serverName", "server_name"], trust_server_certificate: ["trustServerCertificate"], + authentication: ["authenticationType", "auth_type", "authentication_type"], + azure_tenant_id: ["tenantId", "tenant_id", "azureTenantId"], + azure_client_id: ["clientId", "client_id", "azureClientId"], + azure_client_secret: ["clientSecret", "client_secret", "azureClientSecret"], + access_token: ["token", "accessToken"], } const ORACLE_ALIASES: AliasMap = { diff --git a/packages/drivers/src/sqlserver.ts b/packages/drivers/src/sqlserver.ts index 3ea1e390f..fa473a149 100644 --- a/packages/drivers/src/sqlserver.ts +++ b/packages/drivers/src/sqlserver.ts @@ -24,8 +24,6 @@ export async function connect(config: ConnectionConfig): Promise { server: config.host ?? "127.0.0.1", port: config.port ?? 1433, database: config.database, - user: config.user, - password: config.password, options: { encrypt: config.encrypt ?? false, trustServerCertificate: config.trust_server_certificate ?? true, @@ -39,6 +37,71 @@ export async function connect(config: ConnectionConfig): Promise { }, } + const authType = config.authentication as string | undefined + + if (authType?.startsWith("azure-active-directory") || authType === "token-credential") { + // Azure AD / Entra ID — always encrypt + ;(mssqlConfig.options as any).encrypt = true + + if (authType === "token-credential" || authType === "azure-active-directory-default") { + try { + const { DefaultAzureCredential } = await import("@azure/identity") + mssqlConfig.authentication = { + type: "token-credential", + options: { + credential: new DefaultAzureCredential( + config.azure_client_id + ? { managedIdentityClientId: config.azure_client_id as string } + : undefined, + ), + }, + } + } catch { + throw new Error( + "Azure AD authentication requires @azure/identity. Run: npm install @azure/identity", + ) + } + } else if (authType === "azure-active-directory-password") { + mssqlConfig.authentication = { + type: "azure-active-directory-password", + options: { + userName: config.user, + password: config.password, + clientId: config.azure_client_id, + tenantId: config.azure_tenant_id, + }, + } + } else if (authType === "azure-active-directory-access-token") { + mssqlConfig.authentication = { + type: "azure-active-directory-access-token", + options: { token: config.token ?? config.access_token }, + } + } else if ( + authType === "azure-active-directory-msi-vm" || + authType === "azure-active-directory-msi-app-service" + ) { + mssqlConfig.authentication = { + type: authType, + options: { + ...(config.azure_client_id && { clientId: config.azure_client_id }), + }, + } + } else if (authType === "azure-active-directory-service-principal-secret") { + mssqlConfig.authentication = { + type: "azure-active-directory-service-principal-secret", + options: { + clientId: config.azure_client_id, + clientSecret: config.azure_client_secret, + tenantId: config.azure_tenant_id, + }, + } + } + } else { + // Standard SQL Server user/password + mssqlConfig.user = config.user + mssqlConfig.password = config.password + } + pool = await mssql.connect(mssqlConfig) }, diff --git a/packages/drivers/test/sqlserver-unit.test.ts b/packages/drivers/test/sqlserver-unit.test.ts index 4a2e38ad8..d17ebbb7e 100644 --- a/packages/drivers/test/sqlserver-unit.test.ts +++ b/packages/drivers/test/sqlserver-unit.test.ts @@ -2,6 +2,7 @@ * Unit tests for SQL Server driver logic: * - TOP injection (vs LIMIT) * - Truncation detection + * - Azure AD authentication (7 flows) * - Schema introspection queries * - Connection lifecycle * - Result format mapping @@ -52,6 +53,18 @@ mock.module("mssql", () => ({ }, })) +// Mock @azure/identity for Azure AD tests +class MockDefaultAzureCredential { + opts: any + constructor(opts?: any) { + this.opts = opts + } +} + +mock.module("@azure/identity", () => ({ + DefaultAzureCredential: MockDefaultAzureCredential, +})) + // Import after mocking const { connect } = await import("../src/sqlserver") @@ -129,6 +142,165 @@ describe("SQL Server driver unit tests", () => { }) }) + // --- Azure AD authentication --- + + describe("Azure AD authentication", () => { + test("standard auth uses user/password directly", async () => { + resetMocks() + const c = await connect({ host: "localhost", database: "db", user: "sa", password: "pass" }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.user).toBe("sa") + expect(cfg.password).toBe("pass") + expect(cfg.authentication).toBeUndefined() + }) + + test("azure-active-directory-password builds correct auth object", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.windows.net", + database: "db", + user: "user@domain.com", + password: "secret", + authentication: "azure-active-directory-password", + azure_client_id: "client-123", + azure_tenant_id: "tenant-456", + }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.authentication).toEqual({ + type: "azure-active-directory-password", + options: { + userName: "user@domain.com", + password: "secret", + clientId: "client-123", + tenantId: "tenant-456", + }, + }) + expect(cfg.user).toBeUndefined() + expect(cfg.password).toBeUndefined() + }) + + test("azure-active-directory-access-token passes token", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.windows.net", + database: "db", + authentication: "azure-active-directory-access-token", + access_token: "eyJhbGciOi...", + }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.authentication).toEqual({ + type: "azure-active-directory-access-token", + options: { token: "eyJhbGciOi..." }, + }) + }) + + test("azure-active-directory-service-principal-secret builds SP auth", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.windows.net", + database: "db", + authentication: "azure-active-directory-service-principal-secret", + azure_client_id: "sp-client", + azure_client_secret: "sp-secret", + azure_tenant_id: "sp-tenant", + }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.authentication).toEqual({ + type: "azure-active-directory-service-principal-secret", + options: { + clientId: "sp-client", + clientSecret: "sp-secret", + tenantId: "sp-tenant", + }, + }) + }) + + test("azure-active-directory-msi-vm builds MSI auth with optional clientId", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.windows.net", + database: "db", + authentication: "azure-active-directory-msi-vm", + azure_client_id: "msi-client", + }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.authentication).toEqual({ + type: "azure-active-directory-msi-vm", + options: { clientId: "msi-client" }, + }) + }) + + test("azure-active-directory-msi-app-service works without clientId", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.windows.net", + database: "db", + authentication: "azure-active-directory-msi-app-service", + }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.authentication).toEqual({ + type: "azure-active-directory-msi-app-service", + options: {}, + }) + }) + + test("azure-active-directory-default uses DefaultAzureCredential", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.windows.net", + database: "db", + authentication: "azure-active-directory-default", + }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.authentication.type).toBe("token-credential") + expect(cfg.authentication.options.credential).toBeInstanceOf(MockDefaultAzureCredential) + }) + + test("token-credential uses DefaultAzureCredential with managed identity", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.windows.net", + database: "db", + authentication: "token-credential", + azure_client_id: "mi-client-id", + }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.authentication.type).toBe("token-credential") + const cred = cfg.authentication.options.credential as MockDefaultAzureCredential + expect(cred.opts).toEqual({ managedIdentityClientId: "mi-client-id" }) + }) + + test("encryption forced for all Azure AD connections", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.windows.net", + database: "db", + authentication: "azure-active-directory-password", + user: "u", + password: "p", + }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.options.encrypt).toBe(true) + }) + + test("standard auth does not force encryption", async () => { + resetMocks() + const c = await connect({ host: "localhost", database: "db", user: "sa", password: "pass" }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.options.encrypt).toBe(false) + }) + }) + // --- Schema introspection --- describe("schema introspection", () => { From 54aceed7e154b2113c60783e346f4e77719078fc Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Mon, 6 Apr 2026 13:30:55 -0700 Subject: [PATCH 05/18] docs: add MSSQL and Microsoft Fabric documentation to data-parity SKILL.md - Add SQL Server / Fabric schema inspection query in Step 2 - Add "SQL Server and Microsoft Fabric" section with: - Supported configurations table (sqlserver, mssql, fabric) - Fabric connection guide with Azure AD auth types - Algorithm behavior notes (joindiff vs hashdiff selection) Co-Authored-By: Claude Opus 4.6 --- .opencode/skills/data-parity/SKILL.md | 49 +++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/.opencode/skills/data-parity/SKILL.md b/.opencode/skills/data-parity/SKILL.md index 2bb7fa5df..f2a423806 100644 --- a/.opencode/skills/data-parity/SKILL.md +++ b/.opencode/skills/data-parity/SKILL.md @@ -71,6 +71,19 @@ WHERE table_schema = 'mydb' AND table_name = 'orders' ORDER BY ordinal_position ``` +```sql +-- SQL Server / Fabric +SELECT c.name AS column_name, tp.name AS data_type, c.is_nullable, + dc.definition AS column_default +FROM sys.columns c +INNER JOIN sys.types tp ON c.user_type_id = tp.user_type_id +INNER JOIN sys.objects o ON c.object_id = o.object_id +INNER JOIN sys.schemas s ON o.schema_id = s.schema_id +LEFT JOIN sys.default_constraints dc ON c.default_object_id = dc.object_id +WHERE s.name = 'dbo' AND o.name = 'orders' +ORDER BY c.column_id +``` + ```sql -- ClickHouse DESCRIBE TABLE source_db.events @@ -409,3 +422,39 @@ Even when tables match perfectly, state what was checked: **Silently excluding auto-timestamp columns without asking the user** → Always present detected auto-timestamp columns (Step 4) and get explicit confirmation. In migration scenarios, `created_at` should be *identical* — excluding it silently hides real bugs. + +--- + +## SQL Server and Microsoft Fabric + +### Supported Configurations + +| Warehouse Type | Authentication | Notes | +|---|---|---| +| `sqlserver` / `mssql` | User/password or Azure AD | On-prem or Azure SQL. Requires SQL Server 2022+ for `DATETRUNC` and `LEAST`. | +| `fabric` | Azure AD only | Microsoft Fabric SQL endpoint. Always uses TLS encryption. | + +### Connecting to Microsoft Fabric + +Fabric uses the same TDS protocol as SQL Server — no separate driver needed. Configuration: + +``` +type: "fabric" +host: "-.datawarehouse.fabric.microsoft.com" +database: "" +authentication: "azure-active-directory-default" # recommended +``` + +Supported Azure AD authentication types: +- `azure-active-directory-default` — auto-discovers credentials via `DefaultAzureCredential` (recommended) +- `token-credential` — same as above, with optional `azure_client_id` for managed identity +- `azure-active-directory-password` — username/password with `azure_client_id` and `azure_tenant_id` +- `azure-active-directory-access-token` — pre-obtained token (does **not** auto-refresh) +- `azure-active-directory-service-principal-secret` — service principal with `azure_client_id`, `azure_client_secret`, `azure_tenant_id` +- `azure-active-directory-msi-vm` / `azure-active-directory-msi-app-service` — managed identity + +### Algorithm Behavior + +- **Same-warehouse** MSSQL or Fabric → `joindiff` (single FULL OUTER JOIN, most efficient) +- **Cross-warehouse** MSSQL/Fabric ↔ other database → `hashdiff` (automatic when using `auto`) +- The Rust engine maps `sqlserver`/`mssql` to `tsql` dialect and `fabric` to `fabric` dialect — both generate valid T-SQL syntax with bracket quoting (`[schema].[table]`). From 1056c64a0b6669b8a0dc985dde56345f72018ef4 Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Tue, 7 Apr 2026 12:53:57 -0700 Subject: [PATCH 06/18] fix: delegate Azure AD credential creation to tedious and remove underscore column filter MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - **Azure AD auth**: Pass `azure-active-directory-*` types directly to tedious instead of constructing `DefaultAzureCredential` ourselves. Tedious imports `@azure/identity` internally and creates credentials — avoids bun CJS/ESM `isTokenCredential` boundary issue that caused "not an instance of the token credential class" errors. - **Auth shorthands**: Map `CLI`, `default`, `password`, `service-principal`, `msi`, `managed-identity` to their full tedious type names. - **Column filter**: Remove `_.startsWith("_")` filter from `execute()` result columns — it stripped legitimate aliases like `_p` used by partition discovery, causing partitioned diffs to return empty results. - **Tests**: Remove `@azure/identity` mock (no longer imported by driver), update auth assertions, add shorthand mapping tests, fix column filter test. - **Verified**: All 97 driver tests pass. Full data-diff pipeline tested against real MSSQL server (profile, joindiff, auto, where_clause, partitioned). Co-Authored-By: Claude Opus 4.6 --- packages/drivers/src/sqlserver.ts | 43 ++++++------ packages/drivers/test/sqlserver-unit.test.ts | 74 ++++++++++++++------ 2 files changed, 73 insertions(+), 44 deletions(-) diff --git a/packages/drivers/src/sqlserver.ts b/packages/drivers/src/sqlserver.ts index fa473a149..78d633335 100644 --- a/packages/drivers/src/sqlserver.ts +++ b/packages/drivers/src/sqlserver.ts @@ -37,29 +37,30 @@ export async function connect(config: ConnectionConfig): Promise { }, } - const authType = config.authentication as string | undefined + // Normalize shorthand auth values to tedious-compatible types + const AUTH_SHORTHANDS: Record = { + cli: "azure-active-directory-default", + default: "azure-active-directory-default", + password: "azure-active-directory-password", + "service-principal": "azure-active-directory-service-principal-secret", + serviceprincipal: "azure-active-directory-service-principal-secret", + "managed-identity": "azure-active-directory-msi-vm", + msi: "azure-active-directory-msi-vm", + } + const rawAuth = config.authentication as string | undefined + const authType = rawAuth ? (AUTH_SHORTHANDS[rawAuth.toLowerCase()] ?? rawAuth) : undefined - if (authType?.startsWith("azure-active-directory") || authType === "token-credential") { - // Azure AD / Entra ID — always encrypt + if (authType?.startsWith("azure-active-directory")) { + // Azure AD / Entra ID — tedious handles credential creation internally. + // We pass the type + options; tedious imports @azure/identity itself. ;(mssqlConfig.options as any).encrypt = true - if (authType === "token-credential" || authType === "azure-active-directory-default") { - try { - const { DefaultAzureCredential } = await import("@azure/identity") - mssqlConfig.authentication = { - type: "token-credential", - options: { - credential: new DefaultAzureCredential( - config.azure_client_id - ? { managedIdentityClientId: config.azure_client_id as string } - : undefined, - ), - }, - } - } catch { - throw new Error( - "Azure AD authentication requires @azure/identity. Run: npm install @azure/identity", - ) + if (authType === "azure-active-directory-default") { + mssqlConfig.authentication = { + type: "azure-active-directory-default", + options: { + ...(config.azure_client_id && { clientId: config.azure_client_id as string }), + }, } } else if (authType === "azure-active-directory-password") { mssqlConfig.authentication = { @@ -128,7 +129,7 @@ export async function connect(config: ConnectionConfig): Promise { const rows = result.recordset ?? [] const columns = rows.length > 0 - ? Object.keys(rows[0]).filter((k) => !k.startsWith("_")) + ? Object.keys(rows[0]) : (result.recordset?.columns ? Object.keys(result.recordset.columns) : []) diff --git a/packages/drivers/test/sqlserver-unit.test.ts b/packages/drivers/test/sqlserver-unit.test.ts index d17ebbb7e..f0ba9133d 100644 --- a/packages/drivers/test/sqlserver-unit.test.ts +++ b/packages/drivers/test/sqlserver-unit.test.ts @@ -53,18 +53,6 @@ mock.module("mssql", () => ({ }, })) -// Mock @azure/identity for Azure AD tests -class MockDefaultAzureCredential { - opts: any - constructor(opts?: any) { - this.opts = opts - } -} - -mock.module("@azure/identity", () => ({ - DefaultAzureCredential: MockDefaultAzureCredential, -})) - // Import after mocking const { connect } = await import("../src/sqlserver") @@ -250,7 +238,7 @@ describe("SQL Server driver unit tests", () => { }) }) - test("azure-active-directory-default uses DefaultAzureCredential", async () => { + test("azure-active-directory-default passes type to tedious (no credential object)", async () => { resetMocks() const c = await connect({ host: "myserver.database.windows.net", @@ -259,23 +247,22 @@ describe("SQL Server driver unit tests", () => { }) await c.connect() const cfg = mockConnectCalls[0] - expect(cfg.authentication.type).toBe("token-credential") - expect(cfg.authentication.options.credential).toBeInstanceOf(MockDefaultAzureCredential) + expect(cfg.authentication.type).toBe("azure-active-directory-default") + expect(cfg.authentication.options.credential).toBeUndefined() }) - test("token-credential uses DefaultAzureCredential with managed identity", async () => { + test("azure-active-directory-default with client_id passes clientId option", async () => { resetMocks() const c = await connect({ host: "myserver.database.windows.net", database: "db", - authentication: "token-credential", + authentication: "azure-active-directory-default", azure_client_id: "mi-client-id", }) await c.connect() const cfg = mockConnectCalls[0] - expect(cfg.authentication.type).toBe("token-credential") - const cred = cfg.authentication.options.credential as MockDefaultAzureCredential - expect(cred.opts).toEqual({ managedIdentityClientId: "mi-client-id" }) + expect(cfg.authentication.type).toBe("azure-active-directory-default") + expect(cfg.authentication.options.clientId).toBe("mi-client-id") }) test("encryption forced for all Azure AD connections", async () => { @@ -299,6 +286,47 @@ describe("SQL Server driver unit tests", () => { const cfg = mockConnectCalls[0] expect(cfg.options.encrypt).toBe(false) }) + + test("'CLI' shorthand maps to azure-active-directory-default", async () => { + resetMocks() + const c = await connect({ + host: "myserver.datawarehouse.fabric.microsoft.com", + database: "migration", + authentication: "CLI", + }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.authentication.type).toBe("azure-active-directory-default") + expect(cfg.options.encrypt).toBe(true) + }) + + test("'service-principal' shorthand maps correctly", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.windows.net", + database: "db", + authentication: "service-principal", + azure_client_id: "cid", + azure_client_secret: "csec", + azure_tenant_id: "tid", + }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.authentication.type).toBe("azure-active-directory-service-principal-secret") + expect(cfg.authentication.options.clientId).toBe("cid") + }) + + test("'msi' shorthand maps to azure-active-directory-msi-vm", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.windows.net", + database: "db", + authentication: "msi", + }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.authentication.type).toBe("azure-active-directory-msi-vm") + }) }) // --- Schema introspection --- @@ -372,12 +400,12 @@ describe("SQL Server driver unit tests", () => { ]) }) - test("filters underscore-prefixed columns", async () => { + test("preserves underscore-prefixed columns", async () => { mockQueryResult = { - recordset: [{ id: 1, _bucket: 3, name: "x" }], + recordset: [{ id: 1, _p: "Delivered", name: "x" }], } const result = await connector.execute("SELECT * FROM t") - expect(result.columns).toEqual(["id", "name"]) + expect(result.columns).toEqual(["id", "_p", "name"]) }) }) }) From bfb1295de84cd3370c6e78ff6727f9e32878f8e5 Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Mon, 13 Apr 2026 10:26:31 -0700 Subject: [PATCH 07/18] fix: upgrade `mssql` to v12 with `ConnectionPool` isolation and row flattening MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - Upgrade `mssql` from v11 to v12 (`tedious` 18 → 19) - Use explicit `ConnectionPool` instead of global `mssql.connect()` to isolate multiple simultaneous connections - Flatten unnamed column arrays — `mssql` merges unnamed columns (e.g. `SELECT COUNT(*), SUM(...)`) into a single array under the empty-string key; restore positional column values - Proper column name resolution: compare `namedKeys.length` against flattened row length, fall back to synthetic `col_0`, `col_1`, etc. - Update test mock to export `ConnectionPool` class and `createMockPool` Co-Authored-By: Claude Opus 4.6 --- bun.lock | 24 ++++++--- packages/drivers/package.json | 2 +- packages/drivers/src/sqlserver.ts | 56 ++++++++++++++------ packages/drivers/test/sqlserver-unit.test.ts | 30 +++++++---- 4 files changed, 81 insertions(+), 31 deletions(-) diff --git a/bun.lock b/bun.lock index 1b06053a5..25e43809d 100644 --- a/bun.lock +++ b/bun.lock @@ -48,7 +48,7 @@ "@google-cloud/bigquery": "^8.0.0", "duckdb": "^1.0.0", "mongodb": "^6.0.0", - "mssql": "^11.0.0", + "mssql": "^12.0.0", "mysql2": "^3.0.0", "oracledb": "^6.0.0", "pg": "^8.0.0", @@ -1034,7 +1034,7 @@ "@techteamer/ocsp": ["@techteamer/ocsp@1.0.1", "", { "dependencies": { "asn1.js": "^5.4.1", "asn1.js-rfc2560": "^5.0.1", "asn1.js-rfc5280": "^3.0.0", "async": "^3.2.4", "simple-lru-cache": "^0.0.2" } }, "sha512-q4pW5wAC6Pc3JI8UePwE37CkLQ5gDGZMgjSX4MEEm4D4Di59auDQ8UNIDzC4gRnPNmmcwjpPxozq8p5pjiOmOw=="], - "@tediousjs/connection-string": ["@tediousjs/connection-string@0.5.0", "", {}, "sha512-7qSgZbincDDDFyRweCIEvZULFAw5iz/DeunhvuxpL31nfntX3P4Yd4HkHBRg9H8CdqY1e5WFN1PZIz/REL9MVQ=="], + "@tediousjs/connection-string": ["@tediousjs/connection-string@0.6.0", "", {}, "sha512-GxlsW354Vi6QqbUgdPyQVcQjI7cZBdGV5vOYVYuCVDTylx2wl3WHR2HlhcxxHTrMigbelpXsdcZso+66uxPfow=="], "@tokenizer/token": ["@tokenizer/token@0.3.0", "", {}, "sha512-OvjF+z51L3ov0OyAU0duzsYuvO01PH7x4t6DJx+guahgTnBHkhJdG7soQeTSFLWN3efnHyibZ4Z8l2EuWwJN3A=="], @@ -1902,7 +1902,7 @@ "msgpackr-extract": ["msgpackr-extract@3.0.3", "", { "dependencies": { "node-gyp-build-optional-packages": "5.2.2" }, "optionalDependencies": { "@msgpackr-extract/msgpackr-extract-darwin-arm64": "3.0.3", "@msgpackr-extract/msgpackr-extract-darwin-x64": "3.0.3", "@msgpackr-extract/msgpackr-extract-linux-arm": "3.0.3", "@msgpackr-extract/msgpackr-extract-linux-arm64": "3.0.3", "@msgpackr-extract/msgpackr-extract-linux-x64": "3.0.3", "@msgpackr-extract/msgpackr-extract-win32-x64": "3.0.3" }, "bin": { "download-msgpackr-prebuilds": "bin/download-prebuilds.js" } }, "sha512-P0efT1C9jIdVRefqjzOQ9Xml57zpOXnIuS+csaB4MdZbTdmGDLo8XhzBG1N7aO11gKDDkJvBLULeFTo46wwreA=="], - 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"tedious/iconv-lite": ["iconv-lite@0.6.3", "", { "dependencies": { "safer-buffer": ">= 2.1.2 < 3.0.0" } }, "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw=="], - "teeny-request/http-proxy-agent": ["http-proxy-agent@5.0.0", "", { "dependencies": { "@tootallnate/once": "2", "agent-base": "6", "debug": "4" } }, "sha512-n2hY8YdoRE1i7r6M0w9DIw5GgZN0G25P8zLCRQ8rjXtTU3vsNFBI/vWK/UIeE6g5MUUz6avwAPXmL6Fy9D/90w=="], "teeny-request/https-proxy-agent": ["https-proxy-agent@5.0.1", "", { "dependencies": { "agent-base": "6", "debug": "4" } }, "sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA=="], @@ -3518,6 +3520,8 @@ "@smithy/util-stream/@smithy/node-http-handler/@smithy/querystring-builder": ["@smithy/querystring-builder@4.2.8", "", { "dependencies": { "@smithy/types": "^4.12.0", "@smithy/util-uri-escape": "^4.2.0", "tslib": "^2.6.2" } }, "sha512-Xr83r31+DrE8CP3MqPgMJl+pQlLLmOfiEUnoyAlGzzJIrEsbKsPy1hqH0qySaQm4oWrCBlUqRt+idEgunKB+iw=="], + "@types/mssql/tedious/iconv-lite": ["iconv-lite@0.6.3", "", { "dependencies": { "safer-buffer": ">= 2.1.2 < 3.0.0" } }, "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw=="], + "@types/request/form-data/mime-types": ["mime-types@2.1.35", "", { "dependencies": { "mime-db": "1.52.0" } }, "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw=="], "ai-gateway-provider/@ai-sdk/amazon-bedrock/@ai-sdk/anthropic": ["@ai-sdk/anthropic@2.0.62", "", { "dependencies": { "@ai-sdk/provider": "2.0.1", "@ai-sdk/provider-utils": "3.0.21" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-I3RhaOEMnWlWnrvjNBOYvUb19Dwf2nw01IruZrVJRDi688886e11wnd5DxrBZLd2V29Gizo3vpOPnnExsA+wTA=="], @@ -3556,6 +3560,12 @@ "cross-spawn/which/isexe": ["isexe@2.0.0", "", {}, "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw=="], + "drizzle-orm/mssql/@tediousjs/connection-string": ["@tediousjs/connection-string@0.5.0", "", {}, "sha512-7qSgZbincDDDFyRweCIEvZULFAw5iz/DeunhvuxpL31nfntX3P4Yd4HkHBRg9H8CdqY1e5WFN1PZIz/REL9MVQ=="], + + "drizzle-orm/mssql/commander": ["commander@11.1.0", "", {}, "sha512-yPVavfyCcRhmorC7rWlkHn15b4wDVgVmBA7kV4QVBsF7kv/9TKJAbAXVTxvTnwP8HHKjRCJDClKbciiYS7p0DQ=="], + + "drizzle-orm/mssql/tedious": ["tedious@18.6.2", "", { "dependencies": { "@azure/core-auth": "^1.7.2", "@azure/identity": "^4.2.1", "@azure/keyvault-keys": "^4.4.0", "@js-joda/core": "^5.6.1", "@types/node": ">=18", "bl": "^6.0.11", "iconv-lite": "^0.6.3", "js-md4": "^0.3.2", "native-duplexpair": "^1.0.0", "sprintf-js": "^1.1.3" } }, "sha512-g7jC56o3MzLkE3lHkaFe2ZdOVFBahq5bsB60/M4NYUbocw/MCrS89IOEQUFr+ba6pb8ZHczZ/VqCyYeYq0xBAg=="], + "form-data/mime-types/mime-db": ["mime-db@1.52.0", "", {}, "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg=="], "fs-minipass/minipass/yallist": ["yallist@4.0.0", "", {}, "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="], @@ -3778,6 +3788,8 @@ "cross-fetch/node-fetch/whatwg-url/webidl-conversions": ["webidl-conversions@3.0.1", "", {}, "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="], + "drizzle-orm/mssql/tedious/iconv-lite": ["iconv-lite@0.6.3", "", { "dependencies": { "safer-buffer": ">= 2.1.2 < 3.0.0" } }, "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw=="], + "gaxios/rimraf/glob/jackspeak": ["jackspeak@3.4.3", "", { "dependencies": { "@isaacs/cliui": "^8.0.2" }, "optionalDependencies": { "@pkgjs/parseargs": "^0.11.0" } }, "sha512-OGlZQpz2yfahA/Rd1Y8Cd9SIEsqvXkLVoSw/cgwhnhFMDbsQFeZYoJJ7bIZBS9BcamUW96asq/npPWugM+RQBw=="], "gaxios/rimraf/glob/minimatch": ["minimatch@9.0.5", "", { "dependencies": { "brace-expansion": "^2.0.1" } }, "sha512-G6T0ZX48xgozx7587koeX9Ys2NYy6Gmv//P89sEte9V9whIapMNF4idKxnW2QtCcLiTWlb/wfCabAtAFWhhBow=="], diff --git a/packages/drivers/package.json b/packages/drivers/package.json index 98a0112cf..361c1dd96 100644 --- a/packages/drivers/package.json +++ b/packages/drivers/package.json @@ -17,7 +17,7 @@ "@google-cloud/bigquery": "^8.0.0", "@databricks/sql": "^1.0.0", "mysql2": "^3.0.0", - "mssql": "^11.0.0", + "mssql": "^12.0.0", "oracledb": "^6.0.0", "duckdb": "^1.0.0", "mongodb": "^6.0.0", diff --git a/packages/drivers/src/sqlserver.ts b/packages/drivers/src/sqlserver.ts index 78d633335..a5ddcf227 100644 --- a/packages/drivers/src/sqlserver.ts +++ b/packages/drivers/src/sqlserver.ts @@ -6,10 +6,13 @@ import type { ConnectionConfig, Connector, ConnectorResult, ExecuteOptions, Sche export async function connect(config: ConnectionConfig): Promise { let mssql: any + let MssqlConnectionPool: any try { // @ts-expect-error — mssql has no type declarations; installed as optional peerDependency - mssql = await import("mssql") - mssql = mssql.default || mssql + const mod = await import("mssql") + mssql = mod.default || mod + // ConnectionPool is a named export, not on .default + MssqlConnectionPool = mod.ConnectionPool ?? mssql.ConnectionPool } catch { throw new Error( "SQL Server driver not installed. Run: npm install mssql", @@ -103,7 +106,14 @@ export async function connect(config: ConnectionConfig): Promise { mssqlConfig.password = config.password } - pool = await mssql.connect(mssqlConfig) + // Use an explicit ConnectionPool (not the global mssql.connect()) so + // multiple simultaneous connections to different servers are isolated. + if (MssqlConnectionPool) { + pool = new MssqlConnectionPool(mssqlConfig) + await pool.connect() + } else { + pool = await mssql.connect(mssqlConfig) + } }, async execute(sql: string, limit?: number, _binds?: any[], options?: ExecuteOptions): Promise { @@ -126,22 +136,38 @@ export async function connect(config: ConnectionConfig): Promise { } const result = await pool.request().query(query) - const rows = result.recordset ?? [] + const recordset = result.recordset ?? [] + const truncated = effectiveLimit > 0 && recordset.length > effectiveLimit + const limitedRecordset = truncated ? recordset.slice(0, effectiveLimit) : recordset + + // mssql merges unnamed columns (e.g. SELECT COUNT(*), SUM(...)) into a + // single array under the empty-string key: row[""] = [val1, val2, ...]. + // Flatten these arrays to restore positional column values. + const flattenRow = (row: any): any[] => { + const vals: any[] = [] + for (const v of Object.values(row)) { + if (Array.isArray(v)) vals.push(...v) + else vals.push(v) + } + return vals + } + + const rows = limitedRecordset.map(flattenRow) + const sampleFlat = rows.length > 0 ? rows[0] : [] + const namedKeys = recordset.length > 0 ? Object.keys(recordset[0]) : [] const columns = - rows.length > 0 - ? Object.keys(rows[0]) - : (result.recordset?.columns - ? Object.keys(result.recordset.columns) - : []) - const truncated = effectiveLimit > 0 && rows.length > effectiveLimit - const limitedRows = truncated ? rows.slice(0, effectiveLimit) : rows + namedKeys.length === sampleFlat.length + ? namedKeys + : sampleFlat.length > 0 + ? sampleFlat.map((_: any, i: number) => `col_${i}`) + : (result.recordset?.columns + ? Object.keys(result.recordset.columns) + : []) return { columns, - rows: limitedRows.map((row: any) => - columns.map((col) => row[col]), - ), - row_count: limitedRows.length, + rows, + row_count: rows.length, truncated, } }, diff --git a/packages/drivers/test/sqlserver-unit.test.ts b/packages/drivers/test/sqlserver-unit.test.ts index f0ba9133d..61d84e298 100644 --- a/packages/drivers/test/sqlserver-unit.test.ts +++ b/packages/drivers/test/sqlserver-unit.test.ts @@ -39,17 +39,29 @@ function createMockRequest() { return req } +function createMockPool(config: any) { + mockConnectCalls.push(config) + return { + connect: async () => {}, + request: () => createMockRequest(), + close: async () => { + mockCloseCalls++ + }, + } +} + mock.module("mssql", () => ({ default: { - connect: async (config: any) => { - mockConnectCalls.push(config) - return { - request: () => createMockRequest(), - close: async () => { - mockCloseCalls++ - }, - } - }, + connect: async (config: any) => createMockPool(config), + }, + ConnectionPool: class { + _pool: any + constructor(config: any) { + this._pool = createMockPool(config) + } + async connect() { return this._pool.connect() } + request() { return this._pool.request() } + async close() { return this._pool.close() } }, })) From 32d4afce2efc9ba4e4f311614f9d084fb852a7c8 Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Mon, 13 Apr 2026 10:28:21 -0700 Subject: [PATCH 08/18] fix: resolve TypeScript spread-type errors in Azure AD conditional options Use ternary expressions (`x ? {...} : {}`) instead of short-circuit (`x && {...}`) to avoid spreading a boolean value. Co-Authored-By: Claude Opus 4.6 --- packages/drivers/src/sqlserver.ts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/packages/drivers/src/sqlserver.ts b/packages/drivers/src/sqlserver.ts index a5ddcf227..bb4e0f7d6 100644 --- a/packages/drivers/src/sqlserver.ts +++ b/packages/drivers/src/sqlserver.ts @@ -62,7 +62,7 @@ export async function connect(config: ConnectionConfig): Promise { mssqlConfig.authentication = { type: "azure-active-directory-default", options: { - ...(config.azure_client_id && { clientId: config.azure_client_id as string }), + ...(config.azure_client_id ? { clientId: config.azure_client_id as string } : {}), }, } } else if (authType === "azure-active-directory-password") { @@ -87,7 +87,7 @@ export async function connect(config: ConnectionConfig): Promise { mssqlConfig.authentication = { type: authType, options: { - ...(config.azure_client_id && { clientId: config.azure_client_id }), + ...(config.azure_client_id ? { clientId: config.azure_client_id } : {}), }, } } else if (authType === "azure-active-directory-service-principal-secret") { From fda536d43cf06a371f1794b3bb41ed22d1bdd69d Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Tue, 14 Apr 2026 13:41:52 -0700 Subject: [PATCH 09/18] fix: resolve cubic review findings on MSSQL/Fabric PR - P1: restrict `flattenRow` to only spread the empty-string key (`""`) where mssql merges unnamed columns, preserving legitimate array values - P2: escape single quotes in `partitionValue` for date-mode branches in `buildPartitionWhereClause` (categorical mode already escaped) - P2: add `fabric` to `PASSWORD_DRIVERS` set in registry for consistent password validation alongside `sqlserver`/`mssql` - P2: fallback to `"(no values)"` when `d.values` is nullish to prevent template literal coercing `undefined` to the string `"undefined"` Co-Authored-By: Claude Opus 4.6 --- packages/drivers/src/sqlserver.ts | 7 ++++--- .../src/altimate/native/connections/data-diff.ts | 11 ++++++----- .../src/altimate/native/connections/registry.ts | 1 + packages/opencode/src/altimate/tools/data-diff.ts | 2 +- 4 files changed, 12 insertions(+), 9 deletions(-) diff --git a/packages/drivers/src/sqlserver.ts b/packages/drivers/src/sqlserver.ts index bb4e0f7d6..2f66537e9 100644 --- a/packages/drivers/src/sqlserver.ts +++ b/packages/drivers/src/sqlserver.ts @@ -142,11 +142,12 @@ export async function connect(config: ConnectionConfig): Promise { // mssql merges unnamed columns (e.g. SELECT COUNT(*), SUM(...)) into a // single array under the empty-string key: row[""] = [val1, val2, ...]. - // Flatten these arrays to restore positional column values. + // Flatten only the empty-string key to restore positional column values; + // legitimate array values from other keys are preserved as-is. const flattenRow = (row: any): any[] => { const vals: any[] = [] - for (const v of Object.values(row)) { - if (Array.isArray(v)) vals.push(...v) + for (const [k, v] of Object.entries(row)) { + if (k === "" && Array.isArray(v)) vals.push(...v) else vals.push(v) } return vals diff --git a/packages/opencode/src/altimate/native/connections/data-diff.ts b/packages/opencode/src/altimate/native/connections/data-diff.ts index 8641b22d2..42f476b80 100644 --- a/packages/opencode/src/altimate/native/connections/data-diff.ts +++ b/packages/opencode/src/altimate/native/connections/data-diff.ts @@ -557,24 +557,25 @@ function buildPartitionWhereClause( // date mode const expr = dateTruncExpr(granularity!, quotedCol, dialect) + const escaped = partitionValue.replace(/'/g, "''") // Cast the literal appropriately per dialect switch (dialect) { case "bigquery": - return `${expr} = '${partitionValue}'` + return `${expr} = '${escaped}'` case "clickhouse": - return `${expr} = toDate('${partitionValue}')` + return `${expr} = toDate('${escaped}')` case "mysql": case "mariadb": - return `${expr} = '${partitionValue}'` + return `${expr} = '${escaped}'` case "sqlserver": case "mssql": case "tsql": case "fabric": // Style 23 = ISO-8601 (yyyy-mm-dd), locale-safe - return `${expr} = CONVERT(DATE, '${partitionValue}', 23)` + return `${expr} = CONVERT(DATE, '${escaped}', 23)` default: - return `${expr} = '${partitionValue}'` + return `${expr} = '${escaped}'` } } diff --git a/packages/opencode/src/altimate/native/connections/registry.ts b/packages/opencode/src/altimate/native/connections/registry.ts index 40694a59b..cc871682c 100644 --- a/packages/opencode/src/altimate/native/connections/registry.ts +++ b/packages/opencode/src/altimate/native/connections/registry.ts @@ -166,6 +166,7 @@ async function createConnector(name: string, config: ConnectionConfig): Promise< "mariadb", "sqlserver", "mssql", + "fabric", "oracle", "snowflake", "clickhouse", diff --git a/packages/opencode/src/altimate/tools/data-diff.ts b/packages/opencode/src/altimate/tools/data-diff.ts index bf9948748..15b78bdd0 100644 --- a/packages/opencode/src/altimate/tools/data-diff.ts +++ b/packages/opencode/src/altimate/tools/data-diff.ts @@ -203,7 +203,7 @@ function formatOutcome(outcome: any, source: string, target: string): string { lines.push(` Sample differences (first ${Math.min(diffRows.length, 5)}):`) for (const d of diffRows.slice(0, 5)) { const label = d.sign === "-" ? "source only" : "target only" - lines.push(` [${label}] ${d.values?.join(" | ")}`) + lines.push(` [${label}] ${d.values?.join(" | ") ?? "(no values)"}`) } } From d004e1bf6018c864d4d0f06a1456fa595157cdc5 Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Tue, 14 Apr 2026 13:50:10 -0700 Subject: [PATCH 10/18] test: add fabric connection path and flattenRow coverage MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - sqlserver-unit: 3 tests for unnamed column flattening — verifies only the empty-string key is spread, legitimate named arrays are preserved - driver-normalize: fabric type uses SQLSERVER_ALIASES (server → host, trustServerCertificate → trust_server_certificate) - connections: fabric type is recognized in DRIVER_MAP and listed correctly Co-Authored-By: Claude Opus 4.6 --- packages/drivers/test/sqlserver-unit.test.ts | 33 +++++++++++++++++++ .../test/altimate/connections.test.ts | 17 ++++++++++ .../test/altimate/driver-normalize.test.ts | 13 ++++++++ 3 files changed, 63 insertions(+) diff --git a/packages/drivers/test/sqlserver-unit.test.ts b/packages/drivers/test/sqlserver-unit.test.ts index 61d84e298..5042b8f5b 100644 --- a/packages/drivers/test/sqlserver-unit.test.ts +++ b/packages/drivers/test/sqlserver-unit.test.ts @@ -420,4 +420,37 @@ describe("SQL Server driver unit tests", () => { expect(result.columns).toEqual(["id", "_p", "name"]) }) }) + + // --- Unnamed column flattening --- + + describe("unnamed column flattening", () => { + test("flattens unnamed columns merged under empty-string key", async () => { + // mssql merges SELECT COUNT(*), SUM(amount) into row[""] = [42, 1000] + mockQueryResult = { + recordset: [{ "": [42, 1000] }], + } + const result = await connector.execute("SELECT COUNT(*), SUM(amount) FROM t") + expect(result.rows).toEqual([[42, 1000]]) + expect(result.columns).toEqual(["col_0", "col_1"]) + }) + + test("preserves legitimate array values from named columns", async () => { + // A named column containing an array (e.g. from JSON aggregation) + // should NOT be spread — only the empty-string key gets flattened + mockQueryResult = { + recordset: [{ id: 1, tags: ["a", "b", "c"] }], + } + const result = await connector.execute("SELECT * FROM t") + expect(result.columns).toEqual(["id", "tags"]) + expect(result.rows).toEqual([[1, ["a", "b", "c"]]]) + }) + + test("handles mix of named and unnamed columns", async () => { + mockQueryResult = { + recordset: [{ name: "alice", "": [42] }], + } + const result = await connector.execute("SELECT * FROM t") + expect(result.rows).toEqual([["alice", 42]]) + }) + }) }) diff --git a/packages/opencode/test/altimate/connections.test.ts b/packages/opencode/test/altimate/connections.test.ts index f741a8cf1..5c9680297 100644 --- a/packages/opencode/test/altimate/connections.test.ts +++ b/packages/opencode/test/altimate/connections.test.ts @@ -81,6 +81,23 @@ describe("ConnectionRegistry", () => { await expect(Registry.get("mydb")).rejects.toThrow("Supported:") }) + test("fabric type is recognized in DRIVER_MAP and routes to sqlserver driver", () => { + Registry.setConfigs({ + fabricdb: { + type: "fabric", + host: "myserver.datawarehouse.fabric.microsoft.com", + database: "migration", + authentication: "default", + }, + }) + const config = Registry.getConfig("fabricdb") + expect(config).toBeDefined() + expect(config?.type).toBe("fabric") + const result = Registry.list() + expect(result.warehouses).toHaveLength(1) + expect(result.warehouses[0].type).toBe("fabric") + }) + test("getConfig returns config for known connection", () => { Registry.setConfigs({ mydb: { type: "postgres", host: "localhost" }, diff --git a/packages/opencode/test/altimate/driver-normalize.test.ts b/packages/opencode/test/altimate/driver-normalize.test.ts index 95f348289..43b31c4e8 100644 --- a/packages/opencode/test/altimate/driver-normalize.test.ts +++ b/packages/opencode/test/altimate/driver-normalize.test.ts @@ -463,6 +463,19 @@ describe("normalizeConfig — SQL Server", () => { expect(result.host).toBe("myserver") expect(result.user).toBe("sa") }) + + test("fabric type uses SQLSERVER_ALIASES", () => { + const result = normalizeConfig({ + type: "fabric", + server: "myserver.datawarehouse.fabric.microsoft.com", + trustServerCertificate: false, + authentication: "default", + }) + expect(result.host).toBe("myserver.datawarehouse.fabric.microsoft.com") + expect(result.server).toBeUndefined() + expect(result.trust_server_certificate).toBe(false) + expect(result.trustServerCertificate).toBeUndefined() + }) }) // --------------------------------------------------------------------------- From b69a3d23308df153893dd1798168d01fd1c97bb3 Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Tue, 14 Apr 2026 14:01:02 -0700 Subject: [PATCH 11/18] docs: document minimum versions and make @azure/identity optional MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - Add "Minimum Version Requirements" table to SKILL.md covering SQL Server 2022+, mssql v12, and @azure/identity v4 with rationale for each - Document auth shorthands (CLI, default, password, service-principal, msi) - Move @azure/identity from dependencies to optional peerDependencies so it is NOT installed by default — only required for Azure AD auth - Add runtime check in sqlserver driver: if Azure AD auth type is requested but @azure/identity is missing, throw a clear install instruction error Co-Authored-By: Claude Opus 4.6 --- .opencode/skills/data-parity/SKILL.md | 25 ++++++++++-- bun.lock | 57 +++++++++++++++++++++++++-- packages/drivers/package.json | 8 ++++ packages/drivers/src/sqlserver.ts | 8 ++++ 4 files changed, 90 insertions(+), 8 deletions(-) diff --git a/.opencode/skills/data-parity/SKILL.md b/.opencode/skills/data-parity/SKILL.md index f2a423806..07e217f83 100644 --- a/.opencode/skills/data-parity/SKILL.md +++ b/.opencode/skills/data-parity/SKILL.md @@ -427,11 +427,23 @@ Even when tables match perfectly, state what was checked: ## SQL Server and Microsoft Fabric +### Minimum Version Requirements + +| Component | Minimum Version | Why | +|---|---|---| +| **SQL Server** | 2022 (16.x) | `DATETRUNC()` used for date partitioning; `LEAST()`/`GREATEST()` used by Rust engine | +| **Azure SQL Database** | Any current version | Always has `DATETRUNC()` and `LEAST()` | +| **Microsoft Fabric** | Any current version | T-SQL surface includes all required functions | +| **mssql** (npm) | 12.0.0 | `ConnectionPool` isolation for concurrent connections, tedious 19 | +| **@azure/identity** (npm) | 4.0.0 | Required only for Azure AD authentication; tedious imports it internally | + +> **Note:** Date partitioning (`partition_column` + `partition_granularity`) uses `DATETRUNC()` which is **not available on SQL Server 2019 or earlier**. Basic diff operations (joindiff, hashdiff, profile) work on older versions. If you need partitioned diffs on SQL Server < 2022, use numeric or categorical partitioning instead. + ### Supported Configurations | Warehouse Type | Authentication | Notes | |---|---|---| -| `sqlserver` / `mssql` | User/password or Azure AD | On-prem or Azure SQL. Requires SQL Server 2022+ for `DATETRUNC` and `LEAST`. | +| `sqlserver` / `mssql` | User/password or Azure AD | On-prem or Azure SQL. SQL Server 2022+ required for date partitioning. | | `fabric` | Azure AD only | Microsoft Fabric SQL endpoint. Always uses TLS encryption. | ### Connecting to Microsoft Fabric @@ -445,9 +457,14 @@ database: "" authentication: "azure-active-directory-default" # recommended ``` -Supported Azure AD authentication types: -- `azure-active-directory-default` — auto-discovers credentials via `DefaultAzureCredential` (recommended) -- `token-credential` — same as above, with optional `azure_client_id` for managed identity +Auth shorthands (mapped to full tedious type names): +- `CLI` or `default` → `azure-active-directory-default` +- `password` → `azure-active-directory-password` +- `service-principal` → `azure-active-directory-service-principal-secret` +- `msi` or `managed-identity` → `azure-active-directory-msi-vm` + +Full Azure AD authentication types: +- `azure-active-directory-default` — auto-discovers credentials via `DefaultAzureCredential` (recommended; works with `az login`) - `azure-active-directory-password` — username/password with `azure_client_id` and `azure_tenant_id` - `azure-active-directory-access-token` — pre-obtained token (does **not** auto-refresh) - `azure-active-directory-service-principal-secret` — service principal with `azure_client_id`, `azure_client_secret`, `azure_tenant_id` diff --git a/bun.lock b/bun.lock index 25e43809d..a6b9ac546 100644 --- a/bun.lock +++ b/bun.lock @@ -43,6 +43,7 @@ "mongodb": "^6.0.0", }, "optionalDependencies": { + "@azure/identity": "^4.0.0", "@clickhouse/client": "^1.0.0", "@databricks/sql": "^1.0.0", "@google-cloud/bigquery": "^8.0.0", @@ -488,7 +489,7 @@ "@azure/core-xml": ["@azure/core-xml@1.5.0", "", { "dependencies": { "fast-xml-parser": "^5.0.7", "tslib": "^2.8.1" } }, "sha512-D/sdlJBMJfx7gqoj66PKVmhDDaU6TKA49ptcolxdas29X7AfvLTmfAGLjAcIMBK7UZ2o4lygHIqVckOlQU3xWw=="], - "@azure/identity": ["@azure/identity@4.13.0", "", { "dependencies": { "@azure/abort-controller": "^2.0.0", "@azure/core-auth": "^1.9.0", "@azure/core-client": "^1.9.2", "@azure/core-rest-pipeline": "^1.17.0", "@azure/core-tracing": 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"@azure/msal-common": "15.14.2", "jsonwebtoken": "^9.0.0", "uuid": "^8.3.0" } }, "sha512-a+Xnrae+uwLnlw68bplS1X4kuJ9F/7K6afuMFyRkNIskhjgDezl5Fhrx+1pmAlDmC0VaaAxjRQMp1OmcqVwkIg=="], + "@types/request/form-data/mime-types/mime-db": ["mime-db@1.52.0", "", {}, "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg=="], "babel-plugin-module-resolver/glob/minimatch/brace-expansion": ["brace-expansion@2.0.2", "", { "dependencies": { "balanced-match": "^1.0.0" } }, "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ=="], @@ -3788,6 +3809,8 @@ "cross-fetch/node-fetch/whatwg-url/webidl-conversions": ["webidl-conversions@3.0.1", "", {}, "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="], + "drizzle-orm/mssql/tedious/@azure/identity": ["@azure/identity@4.13.0", "", { "dependencies": { "@azure/abort-controller": "^2.0.0", "@azure/core-auth": "^1.9.0", "@azure/core-client": "^1.9.2", "@azure/core-rest-pipeline": "^1.17.0", "@azure/core-tracing": "^1.0.0", "@azure/core-util": "^1.11.0", "@azure/logger": "^1.0.0", "@azure/msal-browser": "^4.2.0", "@azure/msal-node": "^3.5.0", "open": "^10.1.0", "tslib": "^2.2.0" } }, "sha512-uWC0fssc+hs1TGGVkkghiaFkkS7NkTxfnCH+Hdg+yTehTpMcehpok4PgUKKdyCH+9ldu6FhiHRv84Ntqj1vVcw=="], + "drizzle-orm/mssql/tedious/iconv-lite": ["iconv-lite@0.6.3", "", { "dependencies": { "safer-buffer": ">= 2.1.2 < 3.0.0" } }, "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw=="], "gaxios/rimraf/glob/jackspeak": ["jackspeak@3.4.3", "", { "dependencies": { "@isaacs/cliui": "^8.0.2" }, "optionalDependencies": { "@pkgjs/parseargs": "^0.11.0" } }, "sha512-OGlZQpz2yfahA/Rd1Y8Cd9SIEsqvXkLVoSw/cgwhnhFMDbsQFeZYoJJ7bIZBS9BcamUW96asq/npPWugM+RQBw=="], @@ -3834,6 +3857,16 @@ "snowflake-sdk/@aws-sdk/credential-provider-node/@smithy/credential-provider-imds/@smithy/url-parser": ["@smithy/url-parser@4.2.12", "", { "dependencies": { "@smithy/querystring-parser": "^4.2.12", "@smithy/types": "^4.13.1", "tslib": "^2.6.2" } }, "sha512-wOPKPEpso+doCZGIlr+e1lVI6+9VAKfL4kZWFgzVgGWY2hZxshNKod4l2LXS3PRC9otH/JRSjtEHqQ/7eLciRA=="], + "snowflake-sdk/@azure/identity/@azure/msal-browser/@azure/msal-common": ["@azure/msal-common@15.14.2", "", {}, "sha512-n8RBJEUmd5QotoqbZfd+eGBkzuFI1KX6jw2b3WcpSyGjwmzoeI/Jb99opIBPHpb8y312NB+B6+FGi2ZVSR8yfA=="], + + "snowflake-sdk/@azure/identity/@azure/msal-node/@azure/msal-common": ["@azure/msal-common@15.14.2", "", {}, "sha512-n8RBJEUmd5QotoqbZfd+eGBkzuFI1KX6jw2b3WcpSyGjwmzoeI/Jb99opIBPHpb8y312NB+B6+FGi2ZVSR8yfA=="], + + "tedious/@azure/identity/@azure/msal-browser/@azure/msal-common": ["@azure/msal-common@15.14.2", "", {}, "sha512-n8RBJEUmd5QotoqbZfd+eGBkzuFI1KX6jw2b3WcpSyGjwmzoeI/Jb99opIBPHpb8y312NB+B6+FGi2ZVSR8yfA=="], + + "tedious/@azure/identity/@azure/msal-node/@azure/msal-common": ["@azure/msal-common@15.14.2", "", {}, "sha512-n8RBJEUmd5QotoqbZfd+eGBkzuFI1KX6jw2b3WcpSyGjwmzoeI/Jb99opIBPHpb8y312NB+B6+FGi2ZVSR8yfA=="], + + "tedious/@azure/identity/@azure/msal-node/uuid": ["uuid@8.3.2", "", { "bin": { "uuid": "dist/bin/uuid" } }, "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="], + "wide-align/string-width/strip-ansi/ansi-regex": ["ansi-regex@5.0.1", "", {}, "sha512-quJQXlTSUGL2LH9SUXo8VwsY4soanhgo6LNSm84E1LBcE8s3O0wpdiRzyR9z/ZZJMlMWv37qOOb9pdJlMUEKFQ=="], "@aws-sdk/client-sts/@aws-sdk/credential-provider-node/@aws-sdk/credential-provider-http/@smithy/util-stream/@smithy/util-buffer-from": ["@smithy/util-buffer-from@4.2.2", "", { "dependencies": { "@smithy/is-array-buffer": "^4.2.2", "tslib": "^2.6.2" } }, "sha512-FDXD7cvUoFWwN6vtQfEta540Y/YBe5JneK3SoZg9bThSoOAC/eGeYEua6RkBgKjGa/sz6Y+DuBZj3+YEY21y4Q=="], @@ -3860,10 +3893,20 @@ "@google-cloud/storage/teeny-request/node-fetch/whatwg-url/webidl-conversions": ["webidl-conversions@3.0.1", "", {}, "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="], + "@types/mssql/tedious/@azure/identity/@azure/msal-browser/@azure/msal-common": ["@azure/msal-common@15.14.2", "", {}, "sha512-n8RBJEUmd5QotoqbZfd+eGBkzuFI1KX6jw2b3WcpSyGjwmzoeI/Jb99opIBPHpb8y312NB+B6+FGi2ZVSR8yfA=="], + + "@types/mssql/tedious/@azure/identity/@azure/msal-node/@azure/msal-common": ["@azure/msal-common@15.14.2", "", {}, "sha512-n8RBJEUmd5QotoqbZfd+eGBkzuFI1KX6jw2b3WcpSyGjwmzoeI/Jb99opIBPHpb8y312NB+B6+FGi2ZVSR8yfA=="], + + "@types/mssql/tedious/@azure/identity/@azure/msal-node/uuid": ["uuid@8.3.2", "", { "bin": { "uuid": "dist/bin/uuid" } }, "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="], + "babel-plugin-module-resolver/glob/minimatch/brace-expansion/balanced-match": ["balanced-match@1.0.2", "", {}, "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="], "cacache/glob/minimatch/brace-expansion/balanced-match": ["balanced-match@1.0.2", "", {}, "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="], + "drizzle-orm/mssql/tedious/@azure/identity/@azure/msal-browser": ["@azure/msal-browser@4.28.2", "", { "dependencies": { "@azure/msal-common": "15.14.2" } }, "sha512-6vYUMvs6kJxJgxaCmHn/F8VxjLHNh7i9wzfwPGf8kyBJ8Gg2yvBXx175Uev8LdrD1F5C4o7qHa2CC4IrhGE1XQ=="], + + "drizzle-orm/mssql/tedious/@azure/identity/@azure/msal-node": ["@azure/msal-node@3.8.7", "", { "dependencies": { "@azure/msal-common": "15.14.2", "jsonwebtoken": "^9.0.0", "uuid": "^8.3.0" } }, "sha512-a+Xnrae+uwLnlw68bplS1X4kuJ9F/7K6afuMFyRkNIskhjgDezl5Fhrx+1pmAlDmC0VaaAxjRQMp1OmcqVwkIg=="], + "gaxios/rimraf/glob/jackspeak/@isaacs/cliui": ["@isaacs/cliui@8.0.2", "", { "dependencies": { "string-width": "^5.1.2", "string-width-cjs": "npm:string-width@^4.2.0", "strip-ansi": "^7.0.1", "strip-ansi-cjs": "npm:strip-ansi@^6.0.1", "wrap-ansi": "^8.1.0", "wrap-ansi-cjs": "npm:wrap-ansi@^7.0.0" } }, "sha512-O8jcjabXaleOG9DQ0+ARXWZBTfnP4WNAqzuiJK7ll44AmxGKv/J2M4TPjxjY3znBCfvBXFzucm1twdyFybFqEA=="], "gaxios/rimraf/glob/minimatch/brace-expansion": ["brace-expansion@2.0.2", "", { "dependencies": { "balanced-match": "^1.0.0" } }, "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ=="], @@ -4156,6 +4199,12 @@ "@aws-sdk/middleware-flexible-checksums/@aws-sdk/core/@smithy/smithy-client/@smithy/middleware-endpoint/@smithy/url-parser/@smithy/querystring-parser": ["@smithy/querystring-parser@4.2.12", "", { "dependencies": { "@smithy/types": "^4.13.1", "tslib": "^2.6.2" } }, "sha512-P2OdvrgiAKpkPNKlKUtWbNZKB1XjPxM086NeVhK+W+wI46pIKdWBe5QyXvhUm3MEcyS/rkLvY8rZzyUdmyDZBw=="], + "drizzle-orm/mssql/tedious/@azure/identity/@azure/msal-browser/@azure/msal-common": ["@azure/msal-common@15.14.2", "", {}, "sha512-n8RBJEUmd5QotoqbZfd+eGBkzuFI1KX6jw2b3WcpSyGjwmzoeI/Jb99opIBPHpb8y312NB+B6+FGi2ZVSR8yfA=="], + + "drizzle-orm/mssql/tedious/@azure/identity/@azure/msal-node/@azure/msal-common": ["@azure/msal-common@15.14.2", "", {}, "sha512-n8RBJEUmd5QotoqbZfd+eGBkzuFI1KX6jw2b3WcpSyGjwmzoeI/Jb99opIBPHpb8y312NB+B6+FGi2ZVSR8yfA=="], + + "drizzle-orm/mssql/tedious/@azure/identity/@azure/msal-node/uuid": ["uuid@8.3.2", "", { "bin": { "uuid": "dist/bin/uuid" } }, "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="], + "gaxios/rimraf/glob/jackspeak/@isaacs/cliui/string-width": ["string-width@5.1.2", "", { "dependencies": { "eastasianwidth": "^0.2.0", "emoji-regex": "^9.2.2", "strip-ansi": "^7.0.1" } }, "sha512-HnLOCR3vjcY8beoNLtcjZ5/nxn2afmME6lhrDrebokqMap+XbeW8n9TXpPDOqdGK5qcI3oT0GKTW6wC7EMiVqA=="], "gaxios/rimraf/glob/jackspeak/@isaacs/cliui/wrap-ansi": ["wrap-ansi@8.1.0", "", { "dependencies": { "ansi-styles": "^6.1.0", "string-width": "^5.0.1", "strip-ansi": "^7.0.1" } }, "sha512-si7QWI6zUMq56bESFvagtmzMdGOtoxfR+Sez11Mobfc7tm+VkUckk9bW2UeffTGVUbOksxmSw0AA2gs8g71NCQ=="], diff --git a/packages/drivers/package.json b/packages/drivers/package.json index 361c1dd96..040adf5fa 100644 --- a/packages/drivers/package.json +++ b/packages/drivers/package.json @@ -22,5 +22,13 @@ "duckdb": "^1.0.0", "mongodb": "^6.0.0", "@clickhouse/client": "^1.0.0" + }, + "peerDependencies": { + "@azure/identity": ">=4.0.0" + }, + "peerDependenciesMeta": { + "@azure/identity": { + "optional": true + } } } diff --git a/packages/drivers/src/sqlserver.ts b/packages/drivers/src/sqlserver.ts index 2f66537e9..5c369306c 100644 --- a/packages/drivers/src/sqlserver.ts +++ b/packages/drivers/src/sqlserver.ts @@ -56,6 +56,14 @@ export async function connect(config: ConnectionConfig): Promise { if (authType?.startsWith("azure-active-directory")) { // Azure AD / Entra ID — tedious handles credential creation internally. // We pass the type + options; tedious imports @azure/identity itself. + // Verify @azure/identity is available before attempting Azure AD auth. + try { + await import("@azure/identity") + } catch { + throw new Error( + "Azure AD authentication requires @azure/identity. Run: npm install @azure/identity", + ) + } ;(mssqlConfig.options as any).encrypt = true if (authType === "azure-active-directory-default") { From d1cdd1bad37222a3b46ded14ae3c82fdf3710481 Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Wed, 15 Apr 2026 22:08:34 -0700 Subject: [PATCH 12/18] fix: acquire Azure AD tokens directly to bypass Bun browser-bundle resolution - For `azure-active-directory-default` (CLI/default auth), acquire token ourselves instead of delegating to tedious's internal `@azure/identity` - Strategy: try `DefaultAzureCredential` first, fall back to `az` CLI subprocess - Bypasses Bun resolving `@azure/identity` to browser bundle where `DefaultAzureCredential` is a non-functional stub - Also bypasses CJS/ESM `isTokenCredential` boundary mismatch - All 31 driver unit tests pass, verified against real Fabric endpoint Co-Authored-By: Claude Opus 4.6 --- packages/drivers/src/sqlserver.ts | 64 +++++++++++++++----- packages/drivers/test/sqlserver-unit.test.ts | 30 ++++++--- 2 files changed, 72 insertions(+), 22 deletions(-) diff --git a/packages/drivers/src/sqlserver.ts b/packages/drivers/src/sqlserver.ts index 5c369306c..f0a4e6752 100644 --- a/packages/drivers/src/sqlserver.ts +++ b/packages/drivers/src/sqlserver.ts @@ -54,24 +54,60 @@ export async function connect(config: ConnectionConfig): Promise { const authType = rawAuth ? (AUTH_SHORTHANDS[rawAuth.toLowerCase()] ?? rawAuth) : undefined if (authType?.startsWith("azure-active-directory")) { - // Azure AD / Entra ID — tedious handles credential creation internally. - // We pass the type + options; tedious imports @azure/identity itself. - // Verify @azure/identity is available before attempting Azure AD auth. - try { - await import("@azure/identity") - } catch { - throw new Error( - "Azure AD authentication requires @azure/identity. Run: npm install @azure/identity", - ) - } ;(mssqlConfig.options as any).encrypt = true if (authType === "azure-active-directory-default") { + // Acquire a token ourselves and pass it as a raw access token string. + // We avoid using @azure/identity's DefaultAzureCredential because: + // 1. Bun can resolve @azure/identity to the browser bundle (inside + // tedious or even our own import), where DefaultAzureCredential + // is a non-functional stub that throws. + // 2. Passing a credential object via type:"token-credential" hits a + // CJS/ESM isTokenCredential boundary mismatch in Bun. + // + // Strategy: try @azure/identity first (works when module resolution + // is correct), fall back to shelling out to `az account get-access-token` + // (works everywhere Azure CLI is installed). + let token: string | undefined + + // Attempt 1: @azure/identity (fast, no subprocess) + try { + const azureIdentity = await import("@azure/identity") + const credential = new azureIdentity.DefaultAzureCredential( + config.azure_client_id + ? { managedIdentityClientId: config.azure_client_id as string } + : undefined, + ) + const tokenResponse = await credential.getToken("https://database.windows.net/.default") + token = tokenResponse?.token + } catch { + // @azure/identity unavailable or browser bundle — fall through + } + + // Attempt 2: Azure CLI subprocess (universal fallback) + if (!token) { + try { + const { execSync } = await import("node:child_process") + const json = execSync( + "az account get-access-token --resource https://database.windows.net/ --query accessToken -o tsv", + { encoding: "utf-8", timeout: 15000, stdio: ["pipe", "pipe", "pipe"] }, + ).trim() + if (json) token = json + } catch { + // az CLI not installed or not logged in + } + } + + if (!token) { + throw new Error( + "Azure AD default auth failed. Either install @azure/identity (npm install @azure/identity) " + + "or log in with Azure CLI (az login).", + ) + } + mssqlConfig.authentication = { - type: "azure-active-directory-default", - options: { - ...(config.azure_client_id ? { clientId: config.azure_client_id as string } : {}), - }, + type: "azure-active-directory-access-token", + options: { token }, } } else if (authType === "azure-active-directory-password") { mssqlConfig.authentication = { diff --git a/packages/drivers/test/sqlserver-unit.test.ts b/packages/drivers/test/sqlserver-unit.test.ts index 5042b8f5b..4126d3972 100644 --- a/packages/drivers/test/sqlserver-unit.test.ts +++ b/packages/drivers/test/sqlserver-unit.test.ts @@ -65,6 +65,18 @@ mock.module("mssql", () => ({ }, })) +mock.module("@azure/identity", () => ({ + DefaultAzureCredential: class { + _opts: any + constructor(opts?: any) { this._opts = opts } + async getToken(_scope: string) { return { token: "mock-azure-token-12345", expiresOnTimestamp: Date.now() + 3600000 } } + }, +})) + +mock.module("node:child_process", () => ({ + execSync: (_cmd: string) => "mock-cli-token-fallback\n", +})) + // Import after mocking const { connect } = await import("../src/sqlserver") @@ -250,7 +262,7 @@ describe("SQL Server driver unit tests", () => { }) }) - test("azure-active-directory-default passes type to tedious (no credential object)", async () => { + test("azure-active-directory-default acquires token and passes as access-token", async () => { resetMocks() const c = await connect({ host: "myserver.database.windows.net", @@ -259,11 +271,11 @@ describe("SQL Server driver unit tests", () => { }) await c.connect() const cfg = mockConnectCalls[0] - expect(cfg.authentication.type).toBe("azure-active-directory-default") - expect(cfg.authentication.options.credential).toBeUndefined() + expect(cfg.authentication.type).toBe("azure-active-directory-access-token") + expect(cfg.authentication.options.token).toBe("mock-azure-token-12345") }) - test("azure-active-directory-default with client_id passes clientId option", async () => { + test("azure-active-directory-default with client_id passes managedIdentityClientId to credential", async () => { resetMocks() const c = await connect({ host: "myserver.database.windows.net", @@ -273,8 +285,9 @@ describe("SQL Server driver unit tests", () => { }) await c.connect() const cfg = mockConnectCalls[0] - expect(cfg.authentication.type).toBe("azure-active-directory-default") - expect(cfg.authentication.options.clientId).toBe("mi-client-id") + // Token is still passed as access-token regardless of client_id + expect(cfg.authentication.type).toBe("azure-active-directory-access-token") + expect(cfg.authentication.options.token).toBe("mock-azure-token-12345") }) test("encryption forced for all Azure AD connections", async () => { @@ -299,7 +312,7 @@ describe("SQL Server driver unit tests", () => { expect(cfg.options.encrypt).toBe(false) }) - test("'CLI' shorthand maps to azure-active-directory-default", async () => { + test("'CLI' shorthand acquires token via DefaultAzureCredential", async () => { resetMocks() const c = await connect({ host: "myserver.datawarehouse.fabric.microsoft.com", @@ -308,7 +321,8 @@ describe("SQL Server driver unit tests", () => { }) await c.connect() const cfg = mockConnectCalls[0] - expect(cfg.authentication.type).toBe("azure-active-directory-default") + expect(cfg.authentication.type).toBe("azure-active-directory-access-token") + expect(cfg.authentication.options.token).toBe("mock-azure-token-12345") expect(cfg.options.encrypt).toBe(true) }) From 173d32fa389973c4e1936c3e936c02c84efb440a Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Thu, 16 Apr 2026 09:52:04 -0700 Subject: [PATCH 13/18] fix: auto-acquire Azure AD token for `azure-active-directory-access-token` when none supplied MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The `azure-active-directory-access-token` branch passed `token: config.token ?? config.access_token` to tedious. When neither field was set on a connection (e.g. a `fabric-migration` entry that declared the auth type but no token), tedious threw: TypeError: The "config.authentication.options.token" property must be of type string This blocked any Fabric/MSSQL config that relied on ambient credentials (Azure CLI / managed identity) but used the explicit `azure-active-directory-access-token` type instead of the `default` shorthand. Refactor token acquisition (`DefaultAzureCredential` → `az` CLI fallback) into a shared `acquireAzureToken()` helper used by both the `default` path and the `access-token` path when no token was supplied. Callers that pass an explicit token are unchanged. Also harden `mock.module("node:child_process", ...)` in `sqlserver-unit.test.ts` to spread the real module so sibling tests in the same `bun test` run keep access to `spawn` / `exec` / `fork`. Tests: 110 pass, 0 fail in `packages/drivers`. Co-Authored-By: Claude Opus 4.7 --- packages/drivers/src/sqlserver.ts | 45 +++++++++++--------- packages/drivers/test/sqlserver-unit.test.ts | 23 +++++++++- 2 files changed, 48 insertions(+), 20 deletions(-) diff --git a/packages/drivers/src/sqlserver.ts b/packages/drivers/src/sqlserver.ts index f0a4e6752..b96232543 100644 --- a/packages/drivers/src/sqlserver.ts +++ b/packages/drivers/src/sqlserver.ts @@ -56,21 +56,23 @@ export async function connect(config: ConnectionConfig): Promise { if (authType?.startsWith("azure-active-directory")) { ;(mssqlConfig.options as any).encrypt = true - if (authType === "azure-active-directory-default") { - // Acquire a token ourselves and pass it as a raw access token string. - // We avoid using @azure/identity's DefaultAzureCredential because: - // 1. Bun can resolve @azure/identity to the browser bundle (inside - // tedious or even our own import), where DefaultAzureCredential - // is a non-functional stub that throws. - // 2. Passing a credential object via type:"token-credential" hits a - // CJS/ESM isTokenCredential boundary mismatch in Bun. - // - // Strategy: try @azure/identity first (works when module resolution - // is correct), fall back to shelling out to `az account get-access-token` - // (works everywhere Azure CLI is installed). + // Resolve a raw Azure AD access token. + // Used by both `azure-active-directory-default` and by + // `azure-active-directory-access-token` when no token was provided. + // + // We acquire the token ourselves rather than letting tedious do it because: + // 1. Bun can resolve @azure/identity to the browser bundle (inside + // tedious or even our own import), where DefaultAzureCredential + // is a non-functional stub that throws. + // 2. Passing a credential object via type:"token-credential" hits a + // CJS/ESM isTokenCredential boundary mismatch in Bun. + // + // Strategy: try @azure/identity first (works when module resolution + // is correct), fall back to shelling out to `az account get-access-token` + // (works everywhere Azure CLI is installed). + const acquireAzureToken = async (): Promise => { let token: string | undefined - // Attempt 1: @azure/identity (fast, no subprocess) try { const azureIdentity = await import("@azure/identity") const credential = new azureIdentity.DefaultAzureCredential( @@ -84,15 +86,14 @@ export async function connect(config: ConnectionConfig): Promise { // @azure/identity unavailable or browser bundle — fall through } - // Attempt 2: Azure CLI subprocess (universal fallback) if (!token) { try { const { execSync } = await import("node:child_process") - const json = execSync( + const out = execSync( "az account get-access-token --resource https://database.windows.net/ --query accessToken -o tsv", { encoding: "utf-8", timeout: 15000, stdio: ["pipe", "pipe", "pipe"] }, ).trim() - if (json) token = json + if (out) token = out } catch { // az CLI not installed or not logged in } @@ -100,14 +101,17 @@ export async function connect(config: ConnectionConfig): Promise { if (!token) { throw new Error( - "Azure AD default auth failed. Either install @azure/identity (npm install @azure/identity) " + + "Azure AD token acquisition failed. Either install @azure/identity (npm install @azure/identity) " + "or log in with Azure CLI (az login).", ) } + return token + } + if (authType === "azure-active-directory-default") { mssqlConfig.authentication = { type: "azure-active-directory-access-token", - options: { token }, + options: { token: await acquireAzureToken() }, } } else if (authType === "azure-active-directory-password") { mssqlConfig.authentication = { @@ -120,9 +124,12 @@ export async function connect(config: ConnectionConfig): Promise { }, } } else if (authType === "azure-active-directory-access-token") { + // If the caller supplied a token, use it; otherwise acquire one + // automatically (DefaultAzureCredential → az CLI). + const suppliedToken = (config.token ?? config.access_token) as string | undefined mssqlConfig.authentication = { type: "azure-active-directory-access-token", - options: { token: config.token ?? config.access_token }, + options: { token: suppliedToken ?? (await acquireAzureToken()) }, } } else if ( authType === "azure-active-directory-msi-vm" || diff --git a/packages/drivers/test/sqlserver-unit.test.ts b/packages/drivers/test/sqlserver-unit.test.ts index 4126d3972..bfbb33053 100644 --- a/packages/drivers/test/sqlserver-unit.test.ts +++ b/packages/drivers/test/sqlserver-unit.test.ts @@ -73,7 +73,12 @@ mock.module("@azure/identity", () => ({ }, })) +// Bun's mock.module() replaces the module for ALL test files in the same run, +// so we re-export every symbol other tests might import (spawn, exec, fork, etc.) +// in addition to the execSync stub used by the Azure CLI fallback path. +const realChildProcess = await import("node:child_process") mock.module("node:child_process", () => ({ + ...realChildProcess, execSync: (_cmd: string) => "mock-cli-token-fallback\n", })) @@ -193,7 +198,7 @@ describe("SQL Server driver unit tests", () => { expect(cfg.password).toBeUndefined() }) - test("azure-active-directory-access-token passes token", async () => { + test("azure-active-directory-access-token passes supplied token unchanged", async () => { resetMocks() const c = await connect({ host: "myserver.database.windows.net", @@ -209,6 +214,22 @@ describe("SQL Server driver unit tests", () => { }) }) + test("azure-active-directory-access-token with no token auto-acquires one", async () => { + // Regression: prior to this, omitting `token`/`access_token` resulted in + // `options.token: undefined`, which tedious rejects with + // "config.authentication.options.token must be of type string". + resetMocks() + const c = await connect({ + host: "myserver.database.windows.net", + database: "db", + authentication: "azure-active-directory-access-token", + }) + await c.connect() + const cfg = mockConnectCalls[0] + expect(cfg.authentication.type).toBe("azure-active-directory-access-token") + expect(cfg.authentication.options.token).toBe("mock-azure-token-12345") + }) + test("azure-active-directory-service-principal-secret builds SP auth", async () => { resetMocks() const c = await connect({ From 63769f441890b1fd1e33e038a2a58316c6118212 Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Thu, 16 Apr 2026 21:03:19 -0700 Subject: [PATCH 14/18] fix: side-aware CTE injection for cross-warehouse `data_diff` SQL-query mode MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When `source` and `target` are both SQL queries, `resolveTableSources` wraps them as `__diff_source` / `__diff_target` CTEs and the executor prepends the combined `WITH …` block to every engine-emitted task. T-SQL and Fabric parse-bind every CTE body even when unreferenced, so a task routed to the source warehouse failed to resolve the target-only base table referenced inside the unused `__diff_target` CTE (and vice versa), producing `Invalid object name` errors from the wrong warehouse. Return side-specific prefixes from `resolveTableSources` alongside the combined one, and have the executor loop in `runDataDiff` pick the source or target prefix per task when `source_warehouse !== target_warehouse`. Same-warehouse behaviour is unchanged. Adds `data-diff-cte.test.ts` covering plain-name passthrough, both-query wrapping, side-specific CTE isolation, and CTE merging with engine-emitted `WITH` clauses (10 tests). Co-Authored-By: Claude Opus 4.7 (1M context) --- .../altimate/native/connections/data-diff.ts | 61 +++++++-- .../test/altimate/data-diff-cte.test.ts | 129 ++++++++++++++++++ 2 files changed, 179 insertions(+), 11 deletions(-) create mode 100644 packages/opencode/test/altimate/data-diff-cte.test.ts diff --git a/packages/opencode/src/altimate/native/connections/data-diff.ts b/packages/opencode/src/altimate/native/connections/data-diff.ts index 42f476b80..bba07f6ed 100644 --- a/packages/opencode/src/altimate/native/connections/data-diff.ts +++ b/packages/opencode/src/altimate/native/connections/data-diff.ts @@ -53,21 +53,41 @@ function isQuery(input: string): boolean { * If either source or target is an arbitrary query, wrap them in CTEs so the * DataParity engine can treat them as tables named `__diff_source` / `__diff_target`. * - * Returns `{ table1Name, table2Name, ctePrefix | null }`. + * Returns both a combined prefix (used for same-warehouse tasks where a JOIN + * might reference both CTEs) and side-specific prefixes (used for cross-warehouse + * tasks where each warehouse only has access to its own base tables). * - * When a CTE prefix is returned, it must be prepended to every SQL task emitted - * by the engine before execution. + * **Why side-specific prefixes matter:** T-SQL / Fabric parse-bind every CTE body + * at parse time, even unreferenced ones. Sending a combined `WITH __diff_source + * AS (... FROM mssql_only_table), __diff_target AS (... FROM fabric_only_table)` + * to MSSQL fails because MSSQL can't resolve the Fabric-only table referenced in + * the unused `__diff_target` CTE. + * + * Callers must prepend the appropriate prefix to every SQL task emitted by the + * engine before execution. */ export function resolveTableSources( source: string, target: string, -): { table1Name: string; table2Name: string; ctePrefix: string | null } { +): { + table1Name: string + table2Name: string + ctePrefix: string | null + sourceCtePrefix: string | null + targetCtePrefix: string | null +} { const source_is_query = isQuery(source) const target_is_query = isQuery(target) if (!source_is_query && !target_is_query) { // Both are plain table names — pass through unchanged - return { table1Name: source, table2Name: target, ctePrefix: null } + return { + table1Name: source, + table2Name: target, + ctePrefix: null, + sourceCtePrefix: null, + targetCtePrefix: null, + } } // At least one is a query — wrap both in CTEs @@ -81,11 +101,15 @@ export function resolveTableSources( const srcExpr = source_is_query ? source : `SELECT * FROM ${quoteIdent(source)}` const tgtExpr = target_is_query ? target : `SELECT * FROM ${quoteIdent(target)}` + const sourceCtePrefix = `WITH __diff_source AS (\n${srcExpr}\n)` + const targetCtePrefix = `WITH __diff_target AS (\n${tgtExpr}\n)` const ctePrefix = `WITH __diff_source AS (\n${srcExpr}\n), __diff_target AS (\n${tgtExpr}\n)` return { table1Name: "__diff_source", table2Name: "__diff_target", ctePrefix, + sourceCtePrefix, + targetCtePrefix, } } @@ -784,10 +808,15 @@ export async function runDataDiff(params: DataDiffParams): Promise { @@ -911,8 +940,18 @@ export async function runDataDiff(params: DataDiffParams): Promise { const warehouse = warehouseFor(task.table_side) - // Inject CTE definitions if we're in query-comparison mode - const sql = ctePrefix ? injectCte(task.sql, ctePrefix) : task.sql + // Inject CTE definitions if we're in query-comparison mode. In + // cross-warehouse mode each task only gets the CTE for its own side — + // the other side's base tables aren't bindable on this warehouse. + let prefix: string | null = null + if (ctePrefix) { + if (crossWarehouse) { + prefix = task.table_side === "Table2" ? targetCtePrefix : sourceCtePrefix + } else { + prefix = ctePrefix + } + } + const sql = prefix ? injectCte(task.sql, prefix) : task.sql try { const rows = await executeQuery(sql, warehouse) return { id: task.id, rows, error: null } diff --git a/packages/opencode/test/altimate/data-diff-cte.test.ts b/packages/opencode/test/altimate/data-diff-cte.test.ts new file mode 100644 index 000000000..63b51ff61 --- /dev/null +++ b/packages/opencode/test/altimate/data-diff-cte.test.ts @@ -0,0 +1,129 @@ +/** + * Tests for CTE wrapping and injection in SQL-query mode. + * + * The tricky case is cross-warehouse comparison where source and target are both + * SQL queries referencing tables that only exist on their own side. The combined + * CTE prefix cannot be sent to both warehouses because T-SQL / Fabric parse-bind + * every CTE body even when unreferenced — the "other side" CTE would fail to + * resolve its base table. + */ +import { describe, test, expect } from "bun:test" + +import { resolveTableSources, injectCte } from "../../src/altimate/native/connections/data-diff" + +describe("resolveTableSources", () => { + test("plain table names pass through without wrapping", () => { + const r = resolveTableSources("orders", "orders_v2") + expect(r.table1Name).toBe("orders") + expect(r.table2Name).toBe("orders_v2") + expect(r.ctePrefix).toBeNull() + expect(r.sourceCtePrefix).toBeNull() + expect(r.targetCtePrefix).toBeNull() + }) + + test("schema-qualified plain names pass through", () => { + const r = resolveTableSources("gold.dim_customer", "TRANSFORMED.DimCustomer") + expect(r.table1Name).toBe("gold.dim_customer") + expect(r.table2Name).toBe("TRANSFORMED.DimCustomer") + expect(r.ctePrefix).toBeNull() + }) + + test("both queries are wrapped in CTEs with aliases", () => { + const r = resolveTableSources( + "SELECT id, val FROM [TRANSFORMED].[DimCustomer]", + "SELECT id, val FROM [gold].[dim_customer]", + ) + expect(r.table1Name).toBe("__diff_source") + expect(r.table2Name).toBe("__diff_target") + expect(r.ctePrefix).toContain("__diff_source AS (") + expect(r.ctePrefix).toContain("__diff_target AS (") + expect(r.ctePrefix).toContain("[TRANSFORMED].[DimCustomer]") + expect(r.ctePrefix).toContain("[gold].[dim_customer]") + }) + + test("side-specific prefixes contain only the relevant CTE", () => { + const r = resolveTableSources( + "SELECT id FROM [TRANSFORMED].[DimCustomer]", + "SELECT id FROM [gold].[dim_customer]", + ) + // Source prefix has source table only — must not leak target table ref + expect(r.sourceCtePrefix).toContain("__diff_source AS (") + expect(r.sourceCtePrefix).toContain("[TRANSFORMED].[DimCustomer]") + expect(r.sourceCtePrefix).not.toContain("__diff_target") + expect(r.sourceCtePrefix).not.toContain("[gold].[dim_customer]") + + // Target prefix has target table only — must not leak source table ref + expect(r.targetCtePrefix).toContain("__diff_target AS (") + expect(r.targetCtePrefix).toContain("[gold].[dim_customer]") + expect(r.targetCtePrefix).not.toContain("__diff_source") + expect(r.targetCtePrefix).not.toContain("[TRANSFORMED].[DimCustomer]") + }) + + test("mixed: plain source + query target still wraps both sides", () => { + const r = resolveTableSources( + "orders", + "SELECT * FROM other.orders WHERE region = 'EU'", + ) + expect(r.table1Name).toBe("__diff_source") + expect(r.table2Name).toBe("__diff_target") + // Plain table wrapped with ANSI double-quoted identifiers + expect(r.sourceCtePrefix).toContain('SELECT * FROM "orders"') + expect(r.targetCtePrefix).toContain("other.orders") + }) + + test("query detection requires both keyword AND whitespace", () => { + // A table literally named "select" should NOT be treated as a query + const r = resolveTableSources("select", "with") + expect(r.table1Name).toBe("select") + expect(r.table2Name).toBe("with") + expect(r.ctePrefix).toBeNull() + }) +}) + +describe("injectCte", () => { + test("prepends CTE prefix to a plain SELECT", () => { + const prefix = "WITH __diff_source AS (\nSELECT 1 AS id\n)" + const sql = "SELECT COUNT(*) FROM __diff_source" + const out = injectCte(sql, prefix) + expect(out.startsWith(prefix)).toBe(true) + expect(out).toContain("SELECT COUNT(*) FROM __diff_source") + }) + + test("merges with an engine-emitted WITH clause", () => { + const prefix = "WITH __diff_source AS (\nSELECT * FROM base\n)" + const engineSql = "WITH engine_cte AS (SELECT id FROM __diff_source) SELECT * FROM engine_cte" + const out = injectCte(engineSql, prefix) + // Must start with a single WITH, with our CTE first, then engine's + expect(out.match(/^WITH /)).not.toBeNull() + expect((out.match(/\bWITH\b/g) ?? []).length).toBe(1) + expect(out.indexOf("__diff_source AS")).toBeLessThan(out.indexOf("engine_cte AS")) + }) + + test("side-specific injection: source prefix does not leak target refs", () => { + // Simulates cross-warehouse fp1_1 task going to MSSQL. It must not see any + // reference to the Fabric-only target table, since MSSQL parse-binds every + // CTE body. + const r = resolveTableSources( + "SELECT id FROM [TRANSFORMED].[DimCustomer]", + "SELECT id FROM [gold].[dim_customer]", + ) + const engineFp1Sql = + "SELECT COUNT(*), SUM(CAST(...HASHBYTES('MD5', CONCAT(CAST([id] AS NVARCHAR(MAX))))...)) FROM [__diff_source]" + const sqlForMssql = injectCte(engineFp1Sql, r.sourceCtePrefix!) + expect(sqlForMssql).toContain("[TRANSFORMED].[DimCustomer]") + expect(sqlForMssql).not.toContain("[gold].[dim_customer]") + expect(sqlForMssql).not.toContain("__diff_target") + }) + + test("side-specific injection: target prefix does not leak source refs", () => { + const r = resolveTableSources( + "SELECT id FROM [TRANSFORMED].[DimCustomer]", + "SELECT id FROM [gold].[dim_customer]", + ) + const engineFp2Sql = "SELECT COUNT(*) FROM [__diff_target]" + const sqlForFabric = injectCte(engineFp2Sql, r.targetCtePrefix!) + expect(sqlForFabric).toContain("[gold].[dim_customer]") + expect(sqlForFabric).not.toContain("[TRANSFORMED].[DimCustomer]") + expect(sqlForFabric).not.toContain("__diff_source") + }) +}) From 1977232bdc9c0af5104ea356fc5230a3f1cf003a Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Thu, 16 Apr 2026 21:12:04 -0700 Subject: [PATCH 15/18] chore: regenerate `bun.lock` to match drivers `peerDependencies` layout Commit 333a45cc4 moved `@azure/identity` from `optionalDependencies` to `peerDependencies` with `optional: true` in `packages/drivers/package.json`, but the lockfile was not regenerated. That left CI under `--frozen-lockfile` broken and made fresh installs silently diverge from the committed state. Running `bun install` brings the lockfile in sync: `@azure/identity` is recorded as an optional peer, and its transitive pins (`@azure/msal-browser`, `@azure/msal-common`, `@azure/msal-node`) re-resolve to the versions required by `tedious` and `snowflake-sdk`, matching the reachable runtime surface. Co-Authored-By: Claude Opus 4.7 (1M context) --- bun.lock | 63 +++++++++----------------------------------------------- 1 file changed, 10 insertions(+), 53 deletions(-) diff --git a/bun.lock b/bun.lock index a6b9ac546..27bf276a7 100644 --- a/bun.lock +++ b/bun.lock @@ -43,7 +43,6 @@ "mongodb": "^6.0.0", }, "optionalDependencies": { - "@azure/identity": "^4.0.0", "@clickhouse/client": "^1.0.0", "@databricks/sql": "^1.0.0", "@google-cloud/bigquery": "^8.0.0", @@ -55,6 +54,12 @@ "pg": "^8.0.0", "snowflake-sdk": "^2.0.3", }, + "peerDependencies": { + "@azure/identity": ">=4.0.0", + }, + "optionalPeers": [ + "@azure/identity", + ], }, "packages/opencode": { "name": "@altimateai/altimate-code", @@ -489,7 +494,7 @@ "@azure/core-xml": ["@azure/core-xml@1.5.0", "", { "dependencies": { "fast-xml-parser": "^5.0.7", "tslib": "^2.8.1" } }, "sha512-D/sdlJBMJfx7gqoj66PKVmhDDaU6TKA49ptcolxdas29X7AfvLTmfAGLjAcIMBK7UZ2o4lygHIqVckOlQU3xWw=="], - "@azure/identity": ["@azure/identity@4.13.1", "", { "dependencies": { "@azure/abort-controller": "^2.0.0", "@azure/core-auth": "^1.9.0", "@azure/core-client": "^1.9.2", "@azure/core-rest-pipeline": "^1.17.0", "@azure/core-tracing": "^1.0.0", "@azure/core-util": "^1.11.0", "@azure/logger": "^1.0.0", "@azure/msal-browser": "^5.5.0", "@azure/msal-node": "^5.1.0", "open": "^10.1.0", "tslib": "^2.2.0" } }, "sha512-5C/2WD5Vb1lHnZS16dNQRPMjN6oV/Upba+C9nBIs15PmOi6A3ZGs4Lr2u60zw4S04gi+u3cEXiqTVP7M4Pz3kw=="], + "@azure/identity": ["@azure/identity@4.13.0", "", { "dependencies": { "@azure/abort-controller": "^2.0.0", "@azure/core-auth": "^1.9.0", "@azure/core-client": "^1.9.2", "@azure/core-rest-pipeline": "^1.17.0", "@azure/core-tracing": "^1.0.0", "@azure/core-util": "^1.11.0", "@azure/logger": "^1.0.0", "@azure/msal-browser": "^4.2.0", "@azure/msal-node": "^3.5.0", "open": "^10.1.0", "tslib": "^2.2.0" } }, "sha512-uWC0fssc+hs1TGGVkkghiaFkkS7NkTxfnCH+Hdg+yTehTpMcehpok4PgUKKdyCH+9ldu6FhiHRv84Ntqj1vVcw=="], "@azure/keyvault-common": ["@azure/keyvault-common@2.0.0", "", { "dependencies": { "@azure/abort-controller": "^2.0.0", "@azure/core-auth": "^1.3.0", "@azure/core-client": "^1.5.0", "@azure/core-rest-pipeline": "^1.8.0", "@azure/core-tracing": "^1.0.0", "@azure/core-util": "^1.10.0", "@azure/logger": "^1.1.4", "tslib": "^2.2.0" } }, "sha512-wRLVaroQtOqfg60cxkzUkGKrKMsCP6uYXAOomOIysSMyt1/YM0eUn9LqieAWM8DLcU4+07Fio2YGpPeqUbpP9w=="], @@ -497,11 +502,11 @@ "@azure/logger": ["@azure/logger@1.3.0", "", { "dependencies": { "@typespec/ts-http-runtime": "^0.3.0", "tslib": "^2.6.2" } }, "sha512-fCqPIfOcLE+CGqGPd66c8bZpwAji98tZ4JI9i/mlTNTlsIWslCfpg48s/ypyLxZTump5sypjrKn2/kY7q8oAbA=="], - 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"gaxios/rimraf/glob/jackspeak/@isaacs/cliui": ["@isaacs/cliui@8.0.2", "", { "dependencies": { "string-width": "^5.1.2", "string-width-cjs": "npm:string-width@^4.2.0", "strip-ansi": "^7.0.1", "strip-ansi-cjs": "npm:strip-ansi@^6.0.1", "wrap-ansi": "^8.1.0", "wrap-ansi-cjs": "npm:wrap-ansi@^7.0.0" } }, "sha512-O8jcjabXaleOG9DQ0+ARXWZBTfnP4WNAqzuiJK7ll44AmxGKv/J2M4TPjxjY3znBCfvBXFzucm1twdyFybFqEA=="], "gaxios/rimraf/glob/minimatch/brace-expansion": ["brace-expansion@2.0.2", "", { "dependencies": { "balanced-match": "^1.0.0" } }, "sha512-Jt0vHyM+jmUBqojB7E1NIYadt0vI0Qxjxd2TErW94wDz+E2LAm5vKMXXwg6ZZBTHPuUlDgQHKXvjGBdfcF1ZDQ=="], @@ -4199,12 +4162,6 @@ "@aws-sdk/middleware-flexible-checksums/@aws-sdk/core/@smithy/smithy-client/@smithy/middleware-endpoint/@smithy/url-parser/@smithy/querystring-parser": ["@smithy/querystring-parser@4.2.12", "", { "dependencies": { "@smithy/types": "^4.13.1", "tslib": "^2.6.2" } }, "sha512-P2OdvrgiAKpkPNKlKUtWbNZKB1XjPxM086NeVhK+W+wI46pIKdWBe5QyXvhUm3MEcyS/rkLvY8rZzyUdmyDZBw=="], - 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CRITICAL #1 — Cross-dialect partitioned diff (`data-diff.ts`): `runPartitionedDiff` built one partition WHERE clause with `sourceDialect` and passed it as shared `where_clause` to the recursive `runDataDiff`, which applied it to both warehouses identically. Cross-dialect partition mode (MSSQL → Postgres) failed because the target received T-SQL `DATETRUNC`/`CONVERT(DATE, …, 23)`. Now builds per-side WHERE using each warehouse's dialect and bakes it into dialect-quoted subquery SQL for source and target independently. The existing side-aware CTE injection handles the rest. MAJOR #2 — Azure AD token caching and refresh (`sqlserver.ts`): `acquireAzureToken` fetched a fresh token on every `connect()` and embedded it in the pool config with no refresh. Long-lived sessions silently failed when the ~1h token expired. Adds a module-scoped cache keyed by `(resource, client_id)` with proactive refresh 5 min before expiry, parsing `expiresOnTimestamp` from `@azure/identity` or the JWT `exp` claim from the `az` CLI fallback. Exposes `_resetTokenCacheForTests` for isolation. MAJOR #3 — `joindiff` + cross-warehouse guard (`data-diff.ts`): Explicit `algorithm: "joindiff"` combined with different warehouses produced broken SQL (one task referencing two CTE aliases with only one injected). Now returns an early error with a clear message steering users to `hashdiff` or `auto`. Cross-warehouse detection switched from warehouse-name string compare to dialect compare, matching the underlying SQL-divergence invariant. MAJOR #4 — Dialect-aware identifier quoting in CTE wrapping (`data-diff.ts`): `resolveTableSources` wrapped plain-table names with ANSI double-quotes for all dialects. T-SQL/Fabric require `QUOTED_IDENTIFIER ON` for this to work; default for `mssql`/tedious is ON, but user contexts (stored procs, legacy collations) can override. Now accepts source/target dialect parameters and delegates to `quoteIdentForDialect`, which was hoisted to module scope so it can be reused across partition and CTE paths. MAJOR #5 — Configurable Azure resource URL (`sqlserver.ts`, `normalize.ts`): Token acquisition hardcoded `https://database.windows.net/`, blocking Azure Government, Azure China, and sovereign-cloud customers. Now honours an explicit `azure_resource_url` config field and otherwise infers the URL from the host suffix (`.usgovcloudapi.net`, `.chinacloudapi.cn`). Adds the usual camelCase/snake_case aliases in the SQL Server normalizer. Also surfaces Azure auth error causes: if both `@azure/identity` and `az` CLI fail, the thrown error includes both hints (redacted) so users know why rather than seeing the generic "install @azure/identity or run az login" message. Tests: adds `data-diff-cross-dialect.test.ts` covering the cross-dialect partition WHERE routing and the `joindiff` guard; extends `data-diff-cte.test.ts` with dialect-aware quoting assertions for tsql, fabric, and mysql; extends `sqlserver-unit.test.ts` with cache hit / expiry refresh / client-id keyed cache tests, commercial/gov/china/custom resource URL resolution, and the combined-error-hints surface. All 41 sqlserver driver tests, 24 data-diff orchestrator tests, and 214 normalize/connections tests pass. Co-Authored-By: Claude Opus 4.7 (1M context) --- packages/drivers/src/normalize.ts | 1 + packages/drivers/src/sqlserver.ts | 113 +++++++++- packages/drivers/test/sqlserver-unit.test.ts | 208 +++++++++++++++++- .../altimate/native/connections/data-diff.ts | 166 +++++++++----- .../altimate/data-diff-cross-dialect.test.ts | 168 ++++++++++++++ .../test/altimate/data-diff-cte.test.ts | 32 +++ 6 files changed, 621 insertions(+), 67 deletions(-) create mode 100644 packages/opencode/test/altimate/data-diff-cross-dialect.test.ts diff --git a/packages/drivers/src/normalize.ts b/packages/drivers/src/normalize.ts index 162e376e6..2d3c36127 100644 --- a/packages/drivers/src/normalize.ts +++ b/packages/drivers/src/normalize.ts @@ -70,6 +70,7 @@ const SQLSERVER_ALIASES: AliasMap = { azure_client_id: ["clientId", "client_id", "azureClientId"], azure_client_secret: ["clientSecret", "client_secret", "azureClientSecret"], access_token: ["token", "accessToken"], + azure_resource_url: ["azureResourceUrl", "resourceUrl", "resource_url"], } const ORACLE_ALIASES: AliasMap = { diff --git a/packages/drivers/src/sqlserver.ts b/packages/drivers/src/sqlserver.ts index b96232543..73f84bb53 100644 --- a/packages/drivers/src/sqlserver.ts +++ b/packages/drivers/src/sqlserver.ts @@ -4,6 +4,65 @@ import type { ConnectionConfig, Connector, ConnectorResult, ExecuteOptions, SchemaColumn } from "./types" +// --------------------------------------------------------------------------- +// Azure AD helpers — cache + resource URL resolution +// --------------------------------------------------------------------------- + +// Module-scoped token cache, keyed by `${resource}|${clientId ?? ""}`. +// Tokens are reused across `connect()` calls in the same process and refreshed +// a few minutes before expiry. Fixes the issue where every new connection +// fetched a fresh token (wasteful, risks throttling) and long-lived diffs +// failed silently when the embedded token hit its ~1h TTL. +const tokenCache = new Map() +const TOKEN_REFRESH_MARGIN_MS = 5 * 60 * 1000 // refresh 5 minutes before expiry +const TOKEN_FALLBACK_TTL_MS = 50 * 60 * 1000 // used when JWT has no exp claim + +/** + * Parse the `exp` claim from a JWT access token (milliseconds since epoch). + * Returns undefined if the token isn't a JWT or has no exp claim. + */ +function parseTokenExpiry(token: string): number | undefined { + try { + const parts = token.split(".") + if (parts.length !== 3) return undefined + const payload = parts[1] + // base64url → base64 + padding + const padded = payload.replace(/-/g, "+").replace(/_/g, "/") + + "=".repeat((4 - (payload.length % 4)) % 4) + const decoded = Buffer.from(padded, "base64").toString("utf-8") + const claims = JSON.parse(decoded) + return typeof claims.exp === "number" ? claims.exp * 1000 : undefined + } catch { + return undefined + } +} + +/** + * Resolve the Azure resource URL for token acquisition. + * + * Preference order: + * 1. Explicit `config.azure_resource_url`. + * 2. Inferred from host suffix (Azure Gov / China). + * 3. Default Azure commercial cloud. + */ +function resolveAzureResourceUrl(config: ConnectionConfig): string { + const explicit = config.azure_resource_url as string | undefined + if (explicit) return explicit + const host = (config.host as string | undefined) ?? "" + if (host.includes(".usgovcloudapi.net") || host.includes(".datawarehouse.fabric.microsoft.us")) { + return "https://database.usgovcloudapi.net/" + } + if (host.includes(".chinacloudapi.cn")) { + return "https://database.chinacloudapi.cn/" + } + return "https://database.windows.net/" +} + +/** Visible for testing: reset the module-scoped token cache. */ +export function _resetTokenCacheForTests(): void { + tokenCache.clear() +} + export async function connect(config: ConnectionConfig): Promise { let mssql: any let MssqlConnectionPool: any @@ -70,8 +129,24 @@ export async function connect(config: ConnectionConfig): Promise { // Strategy: try @azure/identity first (works when module resolution // is correct), fall back to shelling out to `az account get-access-token` // (works everywhere Azure CLI is installed). + // + // Tokens are cached module-scope keyed by (resource, client_id) and + // refreshed 5 minutes before expiry — reuses tokens across connections + // and prevents silent failures when embedded tokens hit their TTL. + const resourceUrl = resolveAzureResourceUrl(config) + const clientId = (config.azure_client_id as string | undefined) ?? "" + const cacheKey = `${resourceUrl}|${clientId}` + const acquireAzureToken = async (): Promise => { + const cached = tokenCache.get(cacheKey) + if (cached && cached.expiresAt - Date.now() > TOKEN_REFRESH_MARGIN_MS) { + return cached.token + } + let token: string | undefined + let expiresAt: number | undefined + let azureIdentityError: unknown = null + let azCliStderr = "" try { const azureIdentity = await import("@azure/identity") @@ -80,31 +155,51 @@ export async function connect(config: ConnectionConfig): Promise { ? { managedIdentityClientId: config.azure_client_id as string } : undefined, ) - const tokenResponse = await credential.getToken("https://database.windows.net/.default") - token = tokenResponse?.token - } catch { - // @azure/identity unavailable or browser bundle — fall through + const tokenResponse = await credential.getToken(`${resourceUrl}.default`) + if (tokenResponse?.token) { + token = tokenResponse.token + // @azure/identity provides expiresOnTimestamp (ms). Prefer it; fall + // back to parsing the JWT exp claim so both paths share the cache. + expiresAt = tokenResponse.expiresOnTimestamp ?? parseTokenExpiry(token) + } + } catch (err) { + azureIdentityError = err + // @azure/identity unavailable or browser bundle — fall through to CLI } if (!token) { try { const { execSync } = await import("node:child_process") const out = execSync( - "az account get-access-token --resource https://database.windows.net/ --query accessToken -o tsv", + `az account get-access-token --resource ${resourceUrl} --query accessToken -o tsv`, { encoding: "utf-8", timeout: 15000, stdio: ["pipe", "pipe", "pipe"] }, ).trim() - if (out) token = out - } catch { - // az CLI not installed or not logged in + if (out) { + token = out + expiresAt = parseTokenExpiry(out) + } + } catch (err: any) { + // Capture stderr so the final error message can hint at the root cause + // (e.g. "Please run 'az login'", "subscription not found"). + azCliStderr = String(err?.stderr ?? err?.message ?? "").slice(0, 200).trim() } } if (!token) { + const hints: string[] = [] + if (azureIdentityError) hints.push(`@azure/identity: ${String(azureIdentityError).slice(0, 120)}`) + if (azCliStderr) hints.push(`az CLI: ${azCliStderr}`) + const detail = hints.length > 0 ? ` (${hints.join("; ")})` : "" throw new Error( - "Azure AD token acquisition failed. Either install @azure/identity (npm install @azure/identity) " + + `Azure AD token acquisition failed${detail}. Either install @azure/identity (npm install @azure/identity) ` + "or log in with Azure CLI (az login).", ) } + + tokenCache.set(cacheKey, { + token, + expiresAt: expiresAt ?? Date.now() + TOKEN_FALLBACK_TTL_MS, + }) return token } diff --git a/packages/drivers/test/sqlserver-unit.test.ts b/packages/drivers/test/sqlserver-unit.test.ts index bfbb33053..9b66ee750 100644 --- a/packages/drivers/test/sqlserver-unit.test.ts +++ b/packages/drivers/test/sqlserver-unit.test.ts @@ -65,25 +65,47 @@ mock.module("mssql", () => ({ }, })) +// Exposed to individual tests so they can assert scope / force failures. +const azureIdentityState = { + lastScope: "" as string, + tokenOverride: null as null | { token: string; expiresOnTimestamp?: number }, + throwOnGetToken: false as boolean, +} mock.module("@azure/identity", () => ({ DefaultAzureCredential: class { _opts: any constructor(opts?: any) { this._opts = opts } - async getToken(_scope: string) { return { token: "mock-azure-token-12345", expiresOnTimestamp: Date.now() + 3600000 } } + async getToken(scope: string) { + azureIdentityState.lastScope = scope + if (azureIdentityState.throwOnGetToken) throw new Error("mock identity failure") + if (azureIdentityState.tokenOverride) return azureIdentityState.tokenOverride + return { token: "mock-azure-token-12345", expiresOnTimestamp: Date.now() + 3600000 } + } }, })) -// Bun's mock.module() replaces the module for ALL test files in the same run, -// so we re-export every symbol other tests might import (spawn, exec, fork, etc.) -// in addition to the execSync stub used by the Azure CLI fallback path. +// Exposed to tests to stub the `az` CLI fallback. +const cliState = { + lastCmd: "" as string, + output: "mock-cli-token-fallback\n" as string, + throwError: null as null | { stderr?: string; message?: string }, +} const realChildProcess = await import("node:child_process") mock.module("node:child_process", () => ({ ...realChildProcess, - execSync: (_cmd: string) => "mock-cli-token-fallback\n", + execSync: (cmd: string) => { + cliState.lastCmd = cmd + if (cliState.throwError) { + const e: any = new Error(cliState.throwError.message ?? "az failed") + e.stderr = cliState.throwError.stderr + throw e + } + return cliState.output + }, })) // Import after mocking -const { connect } = await import("../src/sqlserver") +const { connect, _resetTokenCacheForTests } = await import("../src/sqlserver") describe("SQL Server driver unit tests", () => { let connector: Awaited> @@ -488,4 +510,178 @@ describe("SQL Server driver unit tests", () => { expect(result.rows).toEqual([["alice", 42]]) }) }) + + // --- Azure token caching (Fix #2) --- + + describe("Azure token cache", () => { + beforeEach(() => { + _resetTokenCacheForTests() + azureIdentityState.throwOnGetToken = false + azureIdentityState.tokenOverride = null + cliState.throwError = null + cliState.output = "mock-cli-token-fallback\n" + }) + + test("second connect with same (resource, clientId) reuses cached token", async () => { + let getTokenCalls = 0 + azureIdentityState.tokenOverride = { token: "cached-token-A", expiresOnTimestamp: Date.now() + 3600_000 } + // Hook getToken counter + const origCredential = (await import("@azure/identity")).DefaultAzureCredential + const origGetToken = origCredential.prototype.getToken + origCredential.prototype.getToken = async function (scope: string) { + getTokenCalls++ + return origGetToken.call(this, scope) + } + try { + resetMocks() + const c1 = await connect({ + host: "h.database.windows.net", database: "d", + authentication: "azure-active-directory-default", + }) + await c1.connect() + const c2 = await connect({ + host: "h.database.windows.net", database: "d", + authentication: "azure-active-directory-default", + }) + await c2.connect() + expect(getTokenCalls).toBe(1) + // Both pool configs embed the same cached token + expect(mockConnectCalls[0].authentication.options.token).toBe("cached-token-A") + expect(mockConnectCalls[1].authentication.options.token).toBe("cached-token-A") + } finally { + origCredential.prototype.getToken = origGetToken + } + }) + + test("near-expiry token triggers refresh", async () => { + // First token expires in 1 minute (well under the 5-minute refresh margin) + azureIdentityState.tokenOverride = { token: "about-to-expire", expiresOnTimestamp: Date.now() + 60_000 } + resetMocks() + const c1 = await connect({ + host: "h.database.windows.net", database: "d", + authentication: "azure-active-directory-default", + }) + await c1.connect() + // Now change the mock to issue a new token on refresh + azureIdentityState.tokenOverride = { token: "fresh-token", expiresOnTimestamp: Date.now() + 3600_000 } + const c2 = await connect({ + host: "h.database.windows.net", database: "d", + authentication: "azure-active-directory-default", + }) + await c2.connect() + expect(mockConnectCalls[0].authentication.options.token).toBe("about-to-expire") + expect(mockConnectCalls[1].authentication.options.token).toBe("fresh-token") + }) + + test("different clientIds cache separately", async () => { + azureIdentityState.tokenOverride = { token: "shared-token", expiresOnTimestamp: Date.now() + 3600_000 } + resetMocks() + const a = await connect({ + host: "h.database.windows.net", database: "d", + authentication: "azure-active-directory-default", + azure_client_id: "client-1", + }) + await a.connect() + const b = await connect({ + host: "h.database.windows.net", database: "d", + authentication: "azure-active-directory-default", + azure_client_id: "client-2", + }) + await b.connect() + // Both embed the mock token but the cache is keyed separately; both calls + // hit getToken (not 1) — easiest way to assert is that both configs got + // a token with no thrown "expired" behavior. + expect(mockConnectCalls[0].authentication.options.token).toBe("shared-token") + expect(mockConnectCalls[1].authentication.options.token).toBe("shared-token") + }) + }) + + // --- Configurable / inferred Azure resource URL (Fix #5) --- + + describe("Azure resource URL resolution", () => { + beforeEach(() => { + _resetTokenCacheForTests() + azureIdentityState.throwOnGetToken = false + azureIdentityState.tokenOverride = null + cliState.throwError = null + }) + + test("commercial cloud: default to database.windows.net", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.windows.net", database: "d", + authentication: "azure-active-directory-default", + }) + await c.connect() + expect(azureIdentityState.lastScope).toBe("https://database.windows.net/.default") + }) + + test("Azure Government host infers usgovcloudapi.net", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.usgovcloudapi.net", database: "d", + authentication: "azure-active-directory-default", + }) + await c.connect() + expect(azureIdentityState.lastScope).toBe("https://database.usgovcloudapi.net/.default") + }) + + test("Azure China host infers chinacloudapi.cn", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.chinacloudapi.cn", database: "d", + authentication: "azure-active-directory-default", + }) + await c.connect() + expect(azureIdentityState.lastScope).toBe("https://database.chinacloudapi.cn/.default") + }) + + test("explicit azure_resource_url wins over host inference", async () => { + resetMocks() + const c = await connect({ + host: "myserver.database.windows.net", // commercial host + database: "d", + authentication: "azure-active-directory-default", + azure_resource_url: "https://custom.sovereign.example/", + }) + await c.connect() + expect(azureIdentityState.lastScope).toBe("https://custom.sovereign.example/.default") + }) + + test("az CLI fallback uses the same resource URL", async () => { + // Disable @azure/identity so we hit the az CLI fallback + azureIdentityState.throwOnGetToken = true + cliState.output = "eyJ.eyJ.sig\n" // looks like JWT; parseTokenExpiry returns undefined → fallback TTL + resetMocks() + const c = await connect({ + host: "myserver.database.usgovcloudapi.net", database: "d", + authentication: "azure-active-directory-default", + }) + await c.connect() + expect(cliState.lastCmd).toContain("--resource https://database.usgovcloudapi.net/") + }) + }) + + // --- Error surfacing when auth fails (Fix #5 bonus, Minor #10 addressed) --- + + describe("Azure auth error surfacing", () => { + beforeEach(() => { + _resetTokenCacheForTests() + azureIdentityState.throwOnGetToken = false + azureIdentityState.tokenOverride = null + cliState.throwError = null + }) + + test("both @azure/identity and az CLI fail → error includes both hints", async () => { + azureIdentityState.throwOnGetToken = true + cliState.throwError = { stderr: "Please run 'az login' to set up an account.", message: "failed" } + resetMocks() + const c = await connect({ + host: "h.database.windows.net", database: "d", + authentication: "azure-active-directory-default", + }) + await expect(c.connect()).rejects.toThrow(/Azure AD token acquisition failed/) + await expect(c.connect()).rejects.toThrow(/az CLI:.*az login/) + }) + }) }) diff --git a/packages/opencode/src/altimate/native/connections/data-diff.ts b/packages/opencode/src/altimate/native/connections/data-diff.ts index bba07f6ed..eb7da8442 100644 --- a/packages/opencode/src/altimate/native/connections/data-diff.ts +++ b/packages/opencode/src/altimate/native/connections/data-diff.ts @@ -28,6 +28,32 @@ export function warehouseTypeToDialect(warehouseType: string): string { return WAREHOUSE_TO_DIALECT[warehouseType.toLowerCase()] ?? warehouseType.toLowerCase() } +// --------------------------------------------------------------------------- +// Dialect-aware identifier quoting +// --------------------------------------------------------------------------- + +/** + * Quote a SQL identifier using the correct delimiter for the dialect. + * Used both for partition column/value quoting and for plain-table-name + * wrapping inside CTEs (via `resolveTableSources`). + */ +function quoteIdentForDialect(identifier: string, dialect: string): string { + switch (dialect) { + case "mysql": + case "mariadb": + case "clickhouse": + return `\`${identifier.replace(/`/g, "``")}\`` + case "tsql": + case "fabric": + case "sqlserver": + case "mssql": + return `[${identifier.replace(/\]/g, "]]")}]` + default: + // ANSI SQL: Postgres, Snowflake, BigQuery, DuckDB, Oracle, Redshift, etc. + return `"${identifier.replace(/"/g, '""')}"` + } +} + // --------------------------------------------------------------------------- // Query-source detection // --------------------------------------------------------------------------- @@ -69,6 +95,8 @@ function isQuery(input: string): boolean { export function resolveTableSources( source: string, target: string, + sourceDialect?: string, + targetDialect?: string, ): { table1Name: string table2Name: string @@ -90,16 +118,16 @@ export function resolveTableSources( } } - // At least one is a query — wrap both in CTEs - // Quote identifier parts so table names with special chars don't inject SQL. - // Use double-quote escaping (ANSI SQL standard, works in Postgres/Snowflake/DuckDB/etc.) - const quoteIdent = (name: string) => - name - .split(".") - .map((p) => `"${p.replace(/"/g, '""')}"`) - .join(".") - const srcExpr = source_is_query ? source : `SELECT * FROM ${quoteIdent(source)}` - const tgtExpr = target_is_query ? target : `SELECT * FROM ${quoteIdent(target)}` + // At least one is a query — wrap both in CTEs. Quote plain-table names with + // the *side's own* dialect so T-SQL / Fabric get `[schema].[table]` and + // ANSI dialects get `"schema"."table"` — avoids `QUOTED_IDENTIFIER OFF` + // surprises on MSSQL/Fabric. Fallback to ANSI when dialect is unspecified. + const quoteTableRef = (name: string, dialect: string | undefined): string => { + const d = dialect ?? "generic" + return name.split(".").map((p) => quoteIdentForDialect(p, d)).join(".") + } + const srcExpr = source_is_query ? source : `SELECT * FROM ${quoteTableRef(source, sourceDialect)}` + const tgtExpr = target_is_query ? target : `SELECT * FROM ${quoteTableRef(target, targetDialect)}` const sourceCtePrefix = `WITH __diff_source AS (\n${srcExpr}\n)` const targetCtePrefix = `WITH __diff_target AS (\n${tgtExpr}\n)` @@ -452,24 +480,6 @@ const MAX_STEPS = 200 // Partition support // --------------------------------------------------------------------------- -/** - * Quote a SQL identifier using the correct delimiter for the dialect. - */ -function quoteIdentForDialect(identifier: string, dialect: string): string { - switch (dialect) { - case "mysql": - case "mariadb": - case "clickhouse": - return `\`${identifier.replace(/`/g, "``")}\`` - case "tsql": - case "fabric": - return `[${identifier.replace(/\]/g, "]]")}]` - default: - // ANSI SQL: Postgres, Snowflake, BigQuery, DuckDB, Oracle, Redshift, etc. - return `"${identifier.replace(/"/g, '""')}"` - } -} - /** * Build a DATE_TRUNC expression appropriate for the warehouse dialect. */ @@ -693,7 +703,12 @@ async function runPartitionedDiff(params: DataDiffParams): Promise + name.split(".").map((p) => quoteIdentForDialect(p, dialect)).join(".") + const sourceTableRef = quoteTableRefForDialect(params.source, sourceDialect) + const targetTableRef = quoteTableRefForDialect(params.target, targetDialect) + for (const pVal of partitionValues) { - const partWhere = buildPartitionWhereClause( + // Build per-side partition WHERE clauses. The dialects can differ + // (cross-warehouse diff) — the engine applies `where_clause` to both + // sides identically, so we can't use it to carry dialect-specific syntax. + // Bake each side's WHERE into its own subquery-wrapped SQL source instead. + const sourcePartWhere = buildPartitionWhereClause( params.partition_column!, pVal, params.partition_granularity, params.partition_bucket_size, sourceDialect, ) - const fullWhere = params.where_clause ? `(${params.where_clause}) AND (${partWhere})` : partWhere + const targetPartWhere = buildPartitionWhereClause( + params.partition_column!, + pVal, + params.partition_granularity, + params.partition_bucket_size, + targetDialect, + ) + + // Wrap each side's table as a SELECT subquery filtered to this partition. + // The recursive runDataDiff below will detect these as SQL queries and + // route them through the CTE-injection path, which is already side-aware. + const sourceSql = `SELECT * FROM ${sourceTableRef} WHERE ${sourcePartWhere}` + const targetSql = `SELECT * FROM ${targetTableRef} WHERE ${targetPartWhere}` const result = await runDataDiff({ ...params, - where_clause: fullWhere, + source: sourceSql, + target: targetSql, + // Preserve the user's shared where_clause — it's dialect-neutral. + where_clause: params.where_clause, partition_column: undefined, // prevent recursion }) @@ -807,16 +849,43 @@ export async function runDataDiff(params: DataDiffParams): Promise { + if (warehouse) { + const cfg = Registry.getConfig(warehouse) + return warehouseTypeToDialect(cfg?.type ?? "generic") + } + const warehouses = Registry.list().warehouses + return warehouseTypeToDialect(warehouses[0]?.type ?? "generic") + } + + const dialect1 = resolveDialect(params.source_warehouse) + const dialect2 = resolveDialect(params.target_warehouse ?? params.source_warehouse) // Cross-warehouse mode requires side-specific CTE injection: T-SQL / Fabric // parse-bind every CTE body even when unreferenced, so sending the combined // prefix to a warehouse that lacks the other side's base table fails at parse. - const sourceWarehouse = params.source_warehouse - const targetWarehouse = params.target_warehouse ?? params.source_warehouse - const crossWarehouse = sourceWarehouse !== targetWarehouse + // Detect by dialect compare — more robust than warehouse-name compare, and + // matches the underlying invariant that we care about (SQL-text divergence). + const crossWarehouse = dialect1 !== dialect2 + + // Explicit JoinDiff cannot work across warehouses: it emits one FULL OUTER + // JOIN task referencing both CTE aliases, but side-aware injection only + // defines one side per task — the other alias would be unresolved. Guard + // early so users get a clear error instead of an obscure SQL parse failure. + if (params.algorithm === "joindiff" && crossWarehouse) { + return { + success: false, + steps: 0, + error: + "joindiff requires both tables in the same warehouse; use hashdiff or auto for cross-warehouse comparisons.", + } + } + + // Resolve sources (plain table names vs arbitrary queries). Pass dialects so + // plain-table names inside wrapped CTEs get side-native bracket/quote style. + const { table1Name, table2Name, ctePrefix, sourceCtePrefix, targetCtePrefix } = + resolveTableSources(params.source, params.target, dialect1, dialect2) // Parse optional qualified names: "db.schema.table" → { database, schema, table } const parseQualified = (name: string) => { @@ -829,19 +898,6 @@ export async function runDataDiff(params: DataDiffParams): Promise { - if (warehouse) { - const cfg = Registry.getConfig(warehouse) - return warehouseTypeToDialect(cfg?.type ?? "generic") - } - const warehouses = Registry.list().warehouses - return warehouseTypeToDialect(warehouses[0]?.type ?? "generic") - } - - const dialect1 = resolveDialect(params.source_warehouse) - const dialect2 = resolveDialect(params.target_warehouse ?? params.source_warehouse) - // Auto-discover extra_columns when not explicitly provided. // The Rust engine only compares columns listed in extra_columns — if the list is // empty, it compares key existence only and reports all matched rows as "identical" @@ -948,7 +1004,13 @@ export async function runDataDiff(params: DataDiffParams): Promise ({ + DataParitySession: class { + constructor(specJson: string) { lastSpec = JSON.parse(specJson) } + start() { return fakeStartAction } + step(_responses: string) { + return JSON.stringify({ + type: "Done", + outcome: { + mode: "diff", + diff_rows: [], + stats: { rows_table1: 0, rows_table2: 0, exclusive_table1: 0, exclusive_table2: 0, updated: 0, unchanged: 0 }, + }, + }) + } + }, +})) + +// --- Mock the Registry module itself so tests can inject fake connectors. +// The real Registry's `get` creates connectors via dynamic driver import; we +// replace the whole surface here with configurable in-memory state. --- + +type Rows = (string | null)[][] +const sqlLog: Array<{ warehouse: string; sql: string }> = [] +const fakeConfigs = new Map() + +function makeFakeConnector(warehouseName: string, discoveryRows: Rows = [["2026-04-01"]]) { + return { + connect: async () => {}, + close: async () => {}, + execute: async (sql: string) => { + sqlLog.push({ warehouse: warehouseName, sql }) + if (sql.includes("SELECT DISTINCT")) { + return { columns: ["_p"], rows: discoveryRows, row_count: discoveryRows.length, truncated: false } + } + return { columns: ["c", "h"], rows: [["0", "0"]], row_count: 1, truncated: false } + }, + listSchemas: async () => [], + listTables: async () => [], + describeTable: async () => [], + } +} + +mock.module("../../src/altimate/native/connections/registry", () => ({ + list: () => ({ + warehouses: Array.from(fakeConfigs.entries()).map(([name, cfg]) => ({ name, type: cfg.type })), + }), + getConfig: (name: string) => fakeConfigs.get(name), + setConfigs: (configs: Record) => { + fakeConfigs.clear() + for (const [k, v] of Object.entries(configs)) fakeConfigs.set(k, v as any) + }, + get: async (name: string) => makeFakeConnector(name), + add: async () => ({ success: true, name: "x", type: "x" }), + remove: async () => ({ success: true, name: "x" }), + test: async () => ({ success: true, name: "x", status: "connected" }), +})) + +// Import after mocks are wired +const Registry = await import("../../src/altimate/native/connections/registry") +const { runDataDiff } = await import("../../src/altimate/native/connections/data-diff") + +beforeEach(() => { + sqlLog.length = 0 + lastSpec = null +}) + +describe("cross-warehouse joindiff guard", () => { + test("returns early error when joindiff + cross-warehouse", async () => { + Registry.setConfigs({ + src: { type: "sqlserver", host: "s1", database: "d" }, + tgt: { type: "postgres", host: "s2", database: "d" }, + }) + const result = await runDataDiff({ + source: "dbo.orders", + target: "public.orders", + key_columns: ["id"], + source_warehouse: "src", + target_warehouse: "tgt", + algorithm: "joindiff", + }) + expect(result.success).toBe(false) + expect(result.error).toMatch(/joindiff requires both tables in the same warehouse/i) + expect(result.steps).toBe(0) + // Nothing should have been sent to the warehouses + expect(sqlLog.length).toBe(0) + }) + + test("same-warehouse joindiff is allowed", async () => { + Registry.setConfigs({ + shared: { type: "sqlserver", host: "s", database: "d" }, + }) + const result = await runDataDiff({ + source: "dbo.orders", + target: "dbo.orders_v2", + key_columns: ["id"], + source_warehouse: "shared", + target_warehouse: "shared", + algorithm: "joindiff", + }) + expect(result.success).toBe(true) + }) +}) + +describe("cross-dialect partitioned diff", () => { + test("source and target receive their own dialect's partition WHERE", async () => { + Registry.setConfigs({ + msrc: { type: "sqlserver", host: "mssql-host", database: "src" }, + ptgt: { type: "postgres", host: "pg-host", database: "tgt" }, + }) + const result = await runDataDiff({ + source: "dbo.orders", + target: "public.orders", + key_columns: ["id"], + source_warehouse: "msrc", + target_warehouse: "ptgt", + partition_column: "order_date", + partition_granularity: "month", + algorithm: "hashdiff", + }) + expect(result.success).toBe(true) + + // Gather SQL by warehouse + const msrcSql = sqlLog.filter((x) => x.warehouse === "msrc").map((x) => x.sql).join("\n") + const ptgtSql = sqlLog.filter((x) => x.warehouse === "ptgt").map((x) => x.sql).join("\n") + + // Source (MSSQL) must see T-SQL syntax: DATETRUNC + CONVERT(DATE, ..., 23) + [brackets] + expect(msrcSql).toMatch(/DATETRUNC\(MONTH,\s*\[order_date\]\)/i) + expect(msrcSql).toMatch(/CONVERT\(DATE, '2026-04-01', 23\)/i) + // Source must NOT see Postgres syntax + expect(msrcSql).not.toMatch(/DATE_TRUNC\('month'/i) + // Source must never see the Postgres table reference + expect(msrcSql).not.toContain('"public"."orders"') + + // Target (Postgres) must see DATE_TRUNC + ANSI-quoted identifiers + expect(ptgtSql).toMatch(/DATE_TRUNC\('month',\s*"order_date"\)/i) + // Target must NOT see T-SQL syntax + expect(ptgtSql).not.toMatch(/DATETRUNC/i) + expect(ptgtSql).not.toMatch(/CONVERT\(DATE/i) + // Target must never see the MSSQL bracketed reference + expect(ptgtSql).not.toContain("[dbo].[orders]") + }) +}) diff --git a/packages/opencode/test/altimate/data-diff-cte.test.ts b/packages/opencode/test/altimate/data-diff-cte.test.ts index 63b51ff61..aea08f27c 100644 --- a/packages/opencode/test/altimate/data-diff-cte.test.ts +++ b/packages/opencode/test/altimate/data-diff-cte.test.ts @@ -71,6 +71,38 @@ describe("resolveTableSources", () => { expect(r.targetCtePrefix).toContain("other.orders") }) + test("dialect-aware quoting: tsql uses square brackets", () => { + // Fix #4: plain table names wrapped inside CTEs must use the side's + // native quoting. `"schema"."table"` fails on MSSQL with QUOTED_IDENTIFIER OFF. + const r = resolveTableSources( + "dbo.orders", + "SELECT * FROM base", + "tsql", + "postgres", + ) + expect(r.sourceCtePrefix).toContain("[dbo].[orders]") + expect(r.sourceCtePrefix).not.toContain('"dbo"."orders"') + }) + + test("dialect-aware quoting: fabric uses square brackets; mysql uses backticks", () => { + // Pair the plain-table side with a SQL-query counterpart to force CTE wrapping. + const fabric = resolveTableSources( + "gold.dim_customer", + "SELECT * FROM other", + "fabric", + "fabric", + ) + expect(fabric.sourceCtePrefix).toContain("[gold].[dim_customer]") + + const mysql = resolveTableSources( + "SELECT 1 AS id", + "db.orders", + "mysql", + "mysql", + ) + expect(mysql.targetCtePrefix).toContain("`db`.`orders`") + }) + test("query detection requires both keyword AND whitespace", () => { // A table literally named "select" should NOT be treated as a query const r = resolveTableSources("select", "with") From 38cfb0ec075c17fafcea7af3cb2e9aec71142710 Mon Sep 17 00:00:00 2001 From: suryaiyer95 Date: Fri, 17 Apr 2026 11:40:55 -0700 Subject: [PATCH 17/18] fix: address PR #705 bot review findings (coderabbitai + cubic + copilot) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Addresses the remaining issues raised by coderabbitai, cubic-dev-ai, and the Copilot PR reviewer on top of the multi-model consensus fix. ### CRITICAL - **`@azure/identity` peer dep removed** (`drivers/package.json`) `mssql@12` → `tedious@19` bundles `@azure/identity ^4.2.1` as a regular dependency. Declaring it here as an optional peer was redundant and caused transitive-version-drift concerns. Users get the correct version automatically through the tedious chain; our lazy import handles the browser-bundle edge case itself. ### MAJOR - **Cross-dialect date partition literal normalization** (`data-diff.ts`) `buildPartitionDiscoverySQL` on MSSQL returns a JS `Date` object, stringified upstream as `"Mon Jan 01 2024 …"`. `CONVERT(DATE, …, 23)` rejects that format. Normalize `partitionValue` to ISO `yyyy-mm-dd` before dialect casting so the T-SQL/Fabric path works end-to-end on dates discovered from MSSQL sources. - **`crossWarehouse` uses resolved warehouse identity** (`data-diff.ts`) Previous commit gated on dialect compare, which treated two independent MSSQL instances as "same warehouse" and would have let `joindiff` route a JOIN through a warehouse that can't resolve the other side's base tables. Now resolves both sides' warehouse name (falling back to the default warehouse when a side is omitted) and compares identities — identity-based gating handles both the "undefined vs default" case (cubic) and the "same-dialect, different instance" case (Copilot). - **Drop `mssql.connect()` fallback** (`sqlserver.ts`) `mssql@^12` guarantees `ConnectionPool` as a named export. The fallback silently re-introduced the global-shared-pool bug this branch was added to fix. Now throws a descriptive error if `ConnectionPool` is missing — cross-database pool interference cannot regress. - **Non-string `config.authentication` guarded** (`sqlserver.ts`) Caller passing a pre-built `{ type, options }` block (or `null`) previously crashed with `TypeError: rawAuth.toLowerCase is not a function`. Now only applies the shorthand lookup when `rawAuth` is a string; other values pass through so tedious can handle them or reject them with its own error. - **Unknown `azure-active-directory-*` subtype fails fast** (`sqlserver.ts`) Typos or future tedious subtypes previously dropped through all `else if` branches, producing a config with `encrypt: true` but no `authentication` block. tedious then surfaced an opaque error far from the root cause. Now throws with the offending subtype and the supported list. - **`execSync` replaced with async `exec`** (`sqlserver.ts`) The `az account get-access-token` CLI fallback previously blocked the event loop for up to 15s. Switched to `util.promisify(exec)` so the connection path stays non-blocking. - **Mixed named + unnamed column derivation preserves headers** (`sqlserver.ts`) Previously `SELECT name, COUNT(*), SUM(x)` produced either `["name", ""]` (blank header) or `["col_0", "col_1", "col_2"]` (lost `name`). Rewrote column/row derivation to iterate in one pass, preserving known named columns and synthesizing `col_N` only for expanded `""`-key positions. ### MINOR - **`(no values)` fallback for empty `diff_row.values` array** (`tools/data-diff.ts`) `[].join(" | ") ?? "(no values)"` never fires because `""` is falsy-but-not- nullish. Gate on `d.values?.length` instead. ### Test / docs - `sqlserver-unit.test.ts`: token-cache client-id test now counts actual `getToken` invocations (previous version only verified both got the same mocked token, which proved nothing about keying). - `sqlserver-unit.test.ts`: "empty result" test now mirrors the real mssql shape (`recordset.columns` is a property *on* the recordset array, not a sibling key). - `sqlserver-unit.test.ts`: added mixed-column regression tests — "name + COUNT + SUM" and "single unnamed column" — to lock in the derivation fix. - `sqlserver-unit.test.ts`: stubbed async `exec` via `util.promisify.custom` so tests drive both the `execSync` legacy path and the new async path. - `SKILL.md`: Fabric config fenced block now declares `yaml` (markdownlint MD040). All tests: 43/43 sqlserver driver + 238/238 opencode test suite. Attribution: findings identified by coderabbitai, cubic-dev-ai, and the Copilot PR reviewer. Co-Authored-By: Claude Opus 4.7 (1M context) --- .opencode/skills/data-parity/SKILL.md | 2 +- packages/drivers/package.json | 8 -- packages/drivers/src/sqlserver.ts | 104 +++++++++++----- packages/drivers/test/sqlserver-unit.test.ts | 116 +++++++++++++++--- .../altimate/native/connections/data-diff.ts | 38 +++++- .../opencode/src/altimate/tools/data-diff.ts | 6 +- 6 files changed, 213 insertions(+), 61 deletions(-) diff --git a/.opencode/skills/data-parity/SKILL.md b/.opencode/skills/data-parity/SKILL.md index 07e217f83..6bdd054d2 100644 --- a/.opencode/skills/data-parity/SKILL.md +++ b/.opencode/skills/data-parity/SKILL.md @@ -450,7 +450,7 @@ Even when tables match perfectly, state what was checked: Fabric uses the same TDS protocol as SQL Server — no separate driver needed. Configuration: -``` +```yaml type: "fabric" host: "-.datawarehouse.fabric.microsoft.com" database: "" diff --git a/packages/drivers/package.json b/packages/drivers/package.json index 040adf5fa..361c1dd96 100644 --- a/packages/drivers/package.json +++ b/packages/drivers/package.json @@ -22,13 +22,5 @@ "duckdb": "^1.0.0", "mongodb": "^6.0.0", "@clickhouse/client": "^1.0.0" - }, - "peerDependencies": { - "@azure/identity": ">=4.0.0" - }, - "peerDependenciesMeta": { - "@azure/identity": { - "optional": true - } } } diff --git a/packages/drivers/src/sqlserver.ts b/packages/drivers/src/sqlserver.ts index 73f84bb53..4b82c67bb 100644 --- a/packages/drivers/src/sqlserver.ts +++ b/packages/drivers/src/sqlserver.ts @@ -109,8 +109,15 @@ export async function connect(config: ConnectionConfig): Promise { "managed-identity": "azure-active-directory-msi-vm", msi: "azure-active-directory-msi-vm", } - const rawAuth = config.authentication as string | undefined - const authType = rawAuth ? (AUTH_SHORTHANDS[rawAuth.toLowerCase()] ?? rawAuth) : undefined + // `config.authentication` is typed as unknown upstream — accept only + // strings here. A caller passing a non-string (object, null, pre-built + // auth block) shouldn't crash with "toLowerCase is not a function"; + // treat as "no shorthand requested" and leave authType undefined. + const rawAuth = config.authentication + const authType = + typeof rawAuth === "string" + ? (AUTH_SHORTHANDS[rawAuth.toLowerCase()] ?? rawAuth) + : undefined if (authType?.startsWith("azure-active-directory")) { ;(mssqlConfig.options as any).encrypt = true @@ -169,11 +176,18 @@ export async function connect(config: ConnectionConfig): Promise { if (!token) { try { - const { execSync } = await import("node:child_process") - const out = execSync( + // Use async `exec` (not `execSync`) so the connection path stays + // non-blocking — `az account get-access-token` can take several + // seconds to round-trip and execSync would block the entire + // event loop for that duration. + const childProcess = await import("node:child_process") + const { promisify } = await import("node:util") + const execAsync = promisify(childProcess.exec) + const { stdout } = await execAsync( `az account get-access-token --resource ${resourceUrl} --query accessToken -o tsv`, - { encoding: "utf-8", timeout: 15000, stdio: ["pipe", "pipe", "pipe"] }, - ).trim() + { encoding: "utf-8", timeout: 15000 }, + ) + const out = stdout.trim() if (out) { token = out expiresAt = parseTokenExpiry(out) @@ -245,6 +259,18 @@ export async function connect(config: ConnectionConfig): Promise { tenantId: config.azure_tenant_id, }, } + } else { + // Any other `azure-active-directory-*` subtype (typo or future + // tedious addition). Fail fast — otherwise we'd silently connect + // with no `authentication` block and tedious would surface an + // opaque error far from the root cause. + throw new Error( + `Unsupported Azure AD authentication subtype: "${authType}". ` + + "Supported subtypes: azure-active-directory-default, " + + "azure-active-directory-password, azure-active-directory-access-token, " + + "azure-active-directory-msi-vm, azure-active-directory-msi-app-service, " + + "azure-active-directory-service-principal-secret.", + ) } } else { // Standard SQL Server user/password @@ -254,12 +280,17 @@ export async function connect(config: ConnectionConfig): Promise { // Use an explicit ConnectionPool (not the global mssql.connect()) so // multiple simultaneous connections to different servers are isolated. - if (MssqlConnectionPool) { - pool = new MssqlConnectionPool(mssqlConfig) - await pool.connect() - } else { - pool = await mssql.connect(mssqlConfig) + // `mssql@^12` guarantees ConnectionPool as a named export — if it's + // missing, the installed driver version is too old. Fail fast rather + // than silently use the global shared pool (which reintroduces the + // cross-database interference bug this branch was added to fix). + if (!MssqlConnectionPool) { + throw new Error( + "mssql.ConnectionPool is not available — the installed `mssql` package is too old. Upgrade to mssql@^12.", + ) } + pool = new MssqlConnectionPool(mssqlConfig) + await pool.connect() }, async execute(sql: string, limit?: number, _binds?: any[], options?: ExecuteOptions): Promise { @@ -288,28 +319,45 @@ export async function connect(config: ConnectionConfig): Promise { // mssql merges unnamed columns (e.g. SELECT COUNT(*), SUM(...)) into a // single array under the empty-string key: row[""] = [val1, val2, ...]. - // Flatten only the empty-string key to restore positional column values; - // legitimate array values from other keys are preserved as-is. - const flattenRow = (row: any): any[] => { + // When a query mixes named and unnamed columns (e.g. + // SELECT name, COUNT(*), SUM(x) → { name: "alice", "": [42, 100] }), + // we must preserve the known header for `name` and synthesize col_N only + // for the unnamed positions. Build columns and rows in a single pass so + // they stay aligned regardless of how many unnamed values the row + // contains. + let columns: string[] = [] + let columnsBuilt = false + const flatten = (row: any): any[] => { const vals: any[] = [] - for (const [k, v] of Object.entries(row)) { - if (k === "" && Array.isArray(v)) vals.push(...v) - else vals.push(v) + let unnamedCounter = 0 + const entries = Object.entries(row) + for (const [k, v] of entries) { + if (k === "" && Array.isArray(v)) { + for (const inner of v) { + if (!columnsBuilt) columns.push(`col_${unnamedCounter}`) + unnamedCounter++ + vals.push(inner) + } + } else if (k === "") { + // Empty-string key with non-array value — rare edge case, give it + // a synthetic name rather than producing a column named "". + if (!columnsBuilt) columns.push(`col_${unnamedCounter}`) + unnamedCounter++ + vals.push(v) + } else { + if (!columnsBuilt) columns.push(k) + vals.push(v) + } } + columnsBuilt = true return vals } - const rows = limitedRecordset.map(flattenRow) - const sampleFlat = rows.length > 0 ? rows[0] : [] - const namedKeys = recordset.length > 0 ? Object.keys(recordset[0]) : [] - const columns = - namedKeys.length === sampleFlat.length - ? namedKeys - : sampleFlat.length > 0 - ? sampleFlat.map((_: any, i: number) => `col_${i}`) - : (result.recordset?.columns - ? Object.keys(result.recordset.columns) - : []) + const rows = limitedRecordset.map(flatten) + if (!columnsBuilt) { + // No rows — fall back to driver-reported column metadata. + columns = result.recordset?.columns ? Object.keys(result.recordset.columns) : [] + } return { columns, diff --git a/packages/drivers/test/sqlserver-unit.test.ts b/packages/drivers/test/sqlserver-unit.test.ts index 9b66ee750..f8f93af22 100644 --- a/packages/drivers/test/sqlserver-unit.test.ts +++ b/packages/drivers/test/sqlserver-unit.test.ts @@ -91,6 +91,31 @@ const cliState = { throwError: null as null | { stderr?: string; message?: string }, } const realChildProcess = await import("node:child_process") +const realUtil = await import("node:util") +// Stub `exec` with a custom `util.promisify.custom` so `promisify(exec)` +// yields { stdout, stderr } exactly as the real implementation does. Also +// keep the legacy callback form of `execSync` for tests that still use it. +const execStub: any = (cmd: string, optsOrCb: any, maybeCb?: any) => { + cliState.lastCmd = cmd + const cb = typeof optsOrCb === "function" ? optsOrCb : maybeCb + if (cliState.throwError) { + const e: any = new Error(cliState.throwError.message ?? "az failed") + e.stderr = cliState.throwError.stderr + if (cb) cb(e, "", cliState.throwError.stderr ?? "") + return { on() {}, stdout: null, stderr: null } + } + if (cb) cb(null, cliState.output, "") + return { on() {}, stdout: null, stderr: null } +} +execStub[realUtil.promisify.custom] = (cmd: string, _opts?: any) => { + cliState.lastCmd = cmd + if (cliState.throwError) { + const e: any = new Error(cliState.throwError.message ?? "az failed") + e.stderr = cliState.throwError.stderr + return Promise.reject(e) + } + return Promise.resolve({ stdout: cliState.output, stderr: "" }) +} mock.module("node:child_process", () => ({ ...realChildProcess, execSync: (cmd: string) => { @@ -102,6 +127,7 @@ mock.module("node:child_process", () => ({ } return cliState.output }, + exec: execStub, })) // Import after mocking @@ -174,7 +200,11 @@ describe("SQL Server driver unit tests", () => { }) test("empty result returns correctly", async () => { - mockQueryResult = { recordset: [], recordset_columns: {} } + // mssql exposes column metadata as `recordset.columns` (a property ON + // the recordset array), not as a sibling key — mirror the real shape. + const recordset: any[] = [] + ;(recordset as any).columns = {} + mockQueryResult = { recordset } const result = await connector.execute("SELECT * FROM t") expect(result.rows).toEqual([]) expect(result.truncated).toBe(false) @@ -507,8 +537,33 @@ describe("SQL Server driver unit tests", () => { recordset: [{ name: "alice", "": [42] }], } const result = await connector.execute("SELECT * FROM t") + // Named header preserved; single unnamed aggregate synthesized. + expect(result.columns).toEqual(["name", "col_0"]) expect(result.rows).toEqual([["alice", 42]]) }) + + test("mixed named + MULTIPLE unnamed aggregates keep named header", async () => { + // SELECT name, COUNT(*), SUM(x) FROM t → { name: "alice", "": [42, 100] }. + // Regression: previous implementation fell back to col_0..col_N for all + // columns, erasing the known `name` header. + mockQueryResult = { + recordset: [{ name: "alice", "": [42, 100] }], + } + const result = await connector.execute("SELECT name, COUNT(*), SUM(x) FROM t") + expect(result.columns).toEqual(["name", "col_0", "col_1"]) + expect(result.rows).toEqual([["alice", 42, 100]]) + }) + + test("single unnamed column gets synthetic name (no blank header)", async () => { + // SELECT COUNT(*) FROM t → { "": [5] } + mockQueryResult = { + recordset: [{ "": [5] }], + } + const result = await connector.execute("SELECT COUNT(*) FROM t") + expect(result.columns).toEqual(["col_0"]) + expect(result.columns).not.toContain("") + expect(result.rows).toEqual([[5]]) + }) }) // --- Azure token caching (Fix #2) --- @@ -574,25 +629,48 @@ describe("SQL Server driver unit tests", () => { }) test("different clientIds cache separately", async () => { + // Prove cache keying by counting distinct getToken invocations: with + // separate clientIds we expect 2 calls (one per key); with a shared + // clientId we expect 1 on the second connect. + let getTokenCalls = 0 azureIdentityState.tokenOverride = { token: "shared-token", expiresOnTimestamp: Date.now() + 3600_000 } - resetMocks() - const a = await connect({ - host: "h.database.windows.net", database: "d", - authentication: "azure-active-directory-default", - azure_client_id: "client-1", - }) - await a.connect() - const b = await connect({ - host: "h.database.windows.net", database: "d", - authentication: "azure-active-directory-default", - azure_client_id: "client-2", - }) - await b.connect() - // Both embed the mock token but the cache is keyed separately; both calls - // hit getToken (not 1) — easiest way to assert is that both configs got - // a token with no thrown "expired" behavior. - expect(mockConnectCalls[0].authentication.options.token).toBe("shared-token") - expect(mockConnectCalls[1].authentication.options.token).toBe("shared-token") + const origCredential = (await import("@azure/identity")).DefaultAzureCredential + const origGetToken = origCredential.prototype.getToken + origCredential.prototype.getToken = async function (scope: string) { + getTokenCalls++ + return origGetToken.call(this, scope) + } + try { + resetMocks() + const a = await connect({ + host: "h.database.windows.net", database: "d", + authentication: "azure-active-directory-default", + azure_client_id: "client-1", + }) + await a.connect() + const b = await connect({ + host: "h.database.windows.net", database: "d", + authentication: "azure-active-directory-default", + azure_client_id: "client-2", + }) + await b.connect() + // Two distinct client IDs → two distinct cache entries → two getToken + // calls. If the cache were keyed only on resource URL this would be 1. + expect(getTokenCalls).toBe(2) + expect(mockConnectCalls[0].authentication.options.token).toBe("shared-token") + expect(mockConnectCalls[1].authentication.options.token).toBe("shared-token") + + // Reconnect with client-1 again — should hit the cache, no new getToken + const c = await connect({ + host: "h.database.windows.net", database: "d", + authentication: "azure-active-directory-default", + azure_client_id: "client-1", + }) + await c.connect() + expect(getTokenCalls).toBe(2) + } finally { + origCredential.prototype.getToken = origGetToken + } }) }) diff --git a/packages/opencode/src/altimate/native/connections/data-diff.ts b/packages/opencode/src/altimate/native/connections/data-diff.ts index eb7da8442..3f78c0398 100644 --- a/packages/opencode/src/altimate/native/connections/data-diff.ts +++ b/packages/opencode/src/altimate/native/connections/data-diff.ts @@ -591,7 +591,21 @@ function buildPartitionWhereClause( // date mode const expr = dateTruncExpr(granularity!, quotedCol, dialect) - const escaped = partitionValue.replace(/'/g, "''") + // Normalize the partition value to ISO yyyy-mm-dd. The mssql driver returns + // date columns as JS Date objects which get `String()`-coerced upstream, + // producing output like "Mon Jan 01 2024 00:00:00 GMT+0000 (UTC)" — + // T-SQL `CONVERT(DATE, …, 23)` and Postgres date literals both reject that + // format. Parsing once here keeps the downstream SQL dialect-safe. + const isoDate = (() => { + const trimmed = partitionValue.trim() + // Already looks like yyyy-mm-dd — preserve as-is so pre-formatted values + // (e.g. from Postgres, BigQuery, DATE_FORMAT MySQL output) flow through + // without surprising timezone shifts. + if (/^\d{4}-\d{2}-\d{2}(\s|T|$)/.test(trimmed)) return trimmed.slice(0, 10) + const d = new Date(trimmed) + return Number.isNaN(d.getTime()) ? trimmed : d.toISOString().slice(0, 10) + })() + const escaped = isoDate.replace(/'/g, "''") // Cast the literal appropriately per dialect switch (dialect) { @@ -849,6 +863,16 @@ export async function runDataDiff(params: DataDiffParams): Promise { + if (warehouse) return warehouse + const warehouses = Registry.list().warehouses + return warehouses[0]?.name + } + // Resolve dialect from warehouse config const resolveDialect = (warehouse: string | undefined): string => { if (warehouse) { @@ -859,15 +883,21 @@ export async function runDataDiff(params: DataDiffParams): Promise Date: Fri, 17 Apr 2026 11:48:35 -0700 Subject: [PATCH 18/18] chore: drop stale `@azure/identity` peer-dep entries from `bun.lock` MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Commit 38cfb0ec0 removed `@azure/identity` from the drivers package's `peerDependencies` (tedious already bundles it), but the lockfile's `packages/drivers` workspace section still carried the corresponding `peerDependencies` and `optionalPeers` blocks. CI running `bun install --frozen-lockfile` would fail on the drift. Minimal edit — just removes the two stale blocks. No resolution changes (`bun install --frozen-lockfile` passes with "no changes"). Co-Authored-By: Claude Opus 4.7 (1M context) --- bun.lock | 6 ------ 1 file changed, 6 deletions(-) diff --git a/bun.lock b/bun.lock index 27bf276a7..25e43809d 100644 --- a/bun.lock +++ b/bun.lock @@ -54,12 +54,6 @@ "pg": "^8.0.0", "snowflake-sdk": "^2.0.3", }, - "peerDependencies": { - "@azure/identity": ">=4.0.0", - }, - "optionalPeers": [ - "@azure/identity", - ], }, "packages/opencode": { "name": "@altimateai/altimate-code",