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fix: add lock clause for MSSQL select with join clause
typeorm didn't supported LOCK clause in SELECT + JOIN query. For example, we cannot buld SQL such as "SELECT * FROM USER U WITH(NOLOCK) INNER JOIN ORDER WITH(NOLOCK) O ON U.ID=O.UserID". This pull request enables LOCK with SELECT + JOIN sql query. Closes: typeorm#4764
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| import { Column, Entity, OneToMany, PrimaryGeneratedColumn } from "../../../../src"; | ||
| import { CartItems } from "./CartItems"; | ||
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| @Entity() | ||
| export class Cart { | ||
| @PrimaryGeneratedColumn() | ||
| ID!: number; | ||
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| @Column() | ||
| UNID!: number; | ||
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| @Column() | ||
| Type!: string; | ||
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| @Column() | ||
| Cycle?: number; | ||
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| @Column() | ||
| Term?: string; | ||
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| @Column() | ||
| RegDate!: Date; | ||
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| @Column() | ||
| ModifiedDate!: Date; | ||
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| @OneToMany((type) => CartItems, (t) => t.Cart) | ||
| CartItems?: CartItems[]; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| import { Column, Entity, JoinColumn, ManyToOne, PrimaryGeneratedColumn } from "../../../../src"; | ||
| import { Cart } from "./Cart"; | ||
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| @Entity() | ||
| export class CartItems { | ||
| @PrimaryGeneratedColumn() | ||
| ID!: number; | ||
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| @Column() | ||
| CartID!: number; | ||
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| @Column() | ||
| ItemID!: number; | ||
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| @Column() | ||
| OptionID!: number; | ||
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| @Column() | ||
| Quantity!: number; | ||
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| @Column() | ||
| RegDate!: Date; | ||
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| @Column() | ||
| ModifiedDate!: Date; | ||
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| @ManyToOne((type) => Cart, (t) => t.CartItems) | ||
| @JoinColumn({ name: "CartID" }) | ||
| Cart?: Cart; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| import { expect } from "chai"; | ||
| import "reflect-metadata"; | ||
| import { Connection } from "../../../src/index"; | ||
| import { | ||
| closeTestingConnections, | ||
| createTestingConnections, | ||
| reloadTestingDatabases, | ||
| } from "../../utils/test-utils"; | ||
| import { Cart } from "./entity/Cart"; | ||
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| describe("mssql > add lock clause for MSSQL select with join clause", () => { | ||
| // ------------------------------------------------------------------------- | ||
| // Configuration | ||
| // ------------------------------------------------------------------------- | ||
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| // connect to db | ||
| let connections: Connection[]; | ||
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| before( | ||
| async () => | ||
| (connections = await createTestingConnections({ | ||
| enabledDrivers: ["mssql"], | ||
| entities: [__dirname + "/entity/*{.js,.ts}"], | ||
| schemaCreate: true, | ||
| dropSchema: true, | ||
| })) | ||
| ); | ||
| beforeEach(() => reloadTestingDatabases(connections)); | ||
| after(() => closeTestingConnections(connections)); | ||
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| // ------------------------------------------------------------------------- | ||
| // Specifications | ||
| // ------------------------------------------------------------------------- | ||
| it("should not have Lock clause", async () => { | ||
| Promise.all( | ||
| connections.map(async (connection) => { | ||
| const lock = " WITH (NOLOCK)"; | ||
| const selectQuery = connection | ||
| .createQueryBuilder() | ||
| .select("cart") | ||
| .from(Cart, "cart") | ||
| .where("1=1") | ||
| .getQuery(); | ||
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| console.log(selectQuery); | ||
| expect(selectQuery.includes(lock)).not.to.equal(true); | ||
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| await connection.query(selectQuery); | ||
| }) | ||
| ); | ||
| }); | ||
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| it("should have WITH (NOLOCK) clause", async () => { | ||
| Promise.all( | ||
| connections.map(async (connection) => { | ||
| const lock = " WITH (NOLOCK)"; | ||
| const selectQuery = connection | ||
| .createQueryBuilder() | ||
| .select("cart") | ||
| .from(Cart, "cart") | ||
| .setLock("dirty_read") | ||
| .where("1=1") | ||
| .getQuery(); | ||
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| console.log(selectQuery); | ||
| expect(selectQuery.includes(lock)).to.equal(true); | ||
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| await connection.query(selectQuery); | ||
| }) | ||
| ); | ||
| }); | ||
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| it("should have two WITH (NOLOCK) clause", async () => { | ||
| Promise.all( | ||
| connections.map(async (connection) => { | ||
| const lock = " WITH (NOLOCK)"; | ||
| const selectQuery = connection | ||
| .createQueryBuilder() | ||
| .select("cart") | ||
| .from(Cart, "cart") | ||
| .innerJoinAndSelect("cart.CartItems", "cartItems") | ||
| .setLock("dirty_read") | ||
| .where("1=1") | ||
| .getQuery(); | ||
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| console.log(selectQuery); | ||
| expect(countInstances(selectQuery, lock)).to.equal(2); | ||
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| await connection.query(selectQuery); | ||
| }) | ||
| ); | ||
| }); | ||
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| it("should have WITH (HOLDLOCK, ROWLOCK) clause", async () => { | ||
| Promise.all( | ||
| connections.map(async (connection) => { | ||
| const lock = " WITH (HOLDLOCK, ROWLOCK)"; | ||
| const selectQuery = connection | ||
| .createQueryBuilder() | ||
| .select("cart") | ||
| .from(Cart, "cart") | ||
| .setLock("pessimistic_read") | ||
| .where("1=1") | ||
| .getQuery(); | ||
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| console.log(selectQuery); | ||
| expect(selectQuery.includes(lock)).to.equal(true); | ||
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| await connection.query(selectQuery); | ||
| }) | ||
| ); | ||
| }); | ||
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| it("should have WITH (UPLOCK, ROWLOCK) clause", async () => { | ||
| Promise.all( | ||
| connections.map(async (connection) => { | ||
| const lock = " WITH (UPDLOCK, ROWLOCK)"; | ||
| const selectQuery = connection | ||
| .createQueryBuilder() | ||
| .select("cart") | ||
| .from(Cart, "cart") | ||
| .setLock("pessimistic_write") | ||
| .where("1=1") | ||
| .getQuery(); | ||
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| console.log(selectQuery); | ||
| expect(selectQuery.includes(lock)).to.equal(true); | ||
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| await connection.query(selectQuery); | ||
| }) | ||
| ); | ||
| }); | ||
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| it("should have two WITH (UPDLOCK, ROWLOCK) clause", async () => { | ||
| Promise.all( | ||
| connections.map(async (connection) => { | ||
| const lock = " WITH (UPDLOCK, ROWLOCK)"; | ||
| const selectQuery = connection | ||
| .createQueryBuilder() | ||
| .select("cart") | ||
| .from(Cart, "cart") | ||
| .innerJoinAndSelect("cart.CartItems", "cartItems") | ||
| .setLock("pessimistic_write") | ||
| .where("1=1") | ||
| .getQuery(); | ||
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| console.log(selectQuery); | ||
| expect(countInstances(selectQuery, lock)).to.equal(2); | ||
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| await connection.query(selectQuery); | ||
| }) | ||
| ); | ||
| }); | ||
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| function countInstances(str: string, word: string) { | ||
| return str.split(word).length - 1; | ||
| } | ||
| }); |