fix: range subselect alias pointer dereference

internal/compiler/output_columns.go

@@ -596,9 +596,15 @@ func (c *Compiler) sourceTables(qc *QueryCatalog, node ast.Node) ([]*Table, erro
 			if err != nil {
 				return nil, err
 			}
+
+			var tableName string
+			if n.Alias != nil {
+				tableName = *n.Alias.Aliasname
+			}
+
 			tables = append(tables, &Table{
 				Rel: &ast.TableName{
-					Name: *n.Alias.Aliasname,
+					Name: tableName,
 				},
 				Columns: cols,
 			})

internal/endtoend/testdata/select_subquery_no_alias/mysql/query.sql

@@ -0,0 +1,2 @@
+-- name: Subquery :many
+SELECT * FROM (SELECT * FROM foo);

internal/endtoend/testdata/select_subquery_no_alias/mysql/schema.sql

@@ -0,0 +1 @@
+CREATE TABLE foo (a int not null, name text);

internal/endtoend/testdata/select_subquery_no_alias/mysql/sqlc.yaml

@@ -0,0 +1,9 @@
+version: "2"
+sql:
+  - engine: "mysql"
+    schema: "schema.sql"
+    queries: "query.sql"
+    gen:
+      go:
+        package: "querytest"
+        out: "go"

internal/endtoend/testdata/select_subquery_no_alias/postgres/stdlib/query.sql

@@ -0,0 +1,2 @@
+-- name: Subquery :many
+SELECT * FROM (SELECT * FROM foo);

internal/endtoend/testdata/select_subquery_no_alias/postgres/stdlib/schema.sql

@@ -0,0 +1 @@
+CREATE TABLE foo (a int not null, name text);

internal/endtoend/testdata/select_subquery_no_alias/postgres/stdlib/sqlc.yaml

@@ -0,0 +1,10 @@
+version: "2"
+sql:
+  - engine: "postgresql"
+    schema: "schema.sql"
+    queries: "query.sql"
+    gen:
+      go:
+        package: "querytest"
+        out: "go"
+        sql_package: "database/sql"

internal/endtoend/testdata/select_subquery_no_alias/sqlite/query.sql

@@ -0,0 +1,2 @@
+-- name: Subquery :many
+SELECT * FROM (SELECT * FROM foo);

internal/endtoend/testdata/select_subquery_no_alias/sqlite/schema.sql

@@ -0,0 +1 @@
+CREATE TABLE foo (a int not null, name text);

internal/endtoend/testdata/select_subquery_no_alias/sqlite/sqlc.yaml

@@ -0,0 +1,10 @@
+version: "2"
+sql:
+  - engine: "sqlite"
+    schema: "schema.sql"
+    queries: "query.sql"
+    gen:
+      go:
+        package: "querytest"
+        out: "go"
+        sql_package: "database/sql"