fixes

drizzle-seed/src/index.ts

@@ -659,13 +659,12 @@ const getPostgresInfo = (
 					tableRelations[tableTsName]?.some((rel) =>
 						rel.table === relation.table
 						&& rel.refTable === relation.refTable
-					) === true
+					)
 				) {
 					console.warn(
-						`You are providing a one-to-many relation from the '${relation.table}' table to the '${relation.refTable}' table,\n`
-							+ `while your '${relation.table}' table object already has foreign key constraint in the schema(from the '${relation.table}' table to the '${relation.refTable}' table).\n`
-							+ `You can specify either the foreign key constraint or the relation, but not both.\n`
-							+ `By default, one-to-many relation will be ignored to respect foreign key constraint.\n`,
+						`You are providing a one-to-many relation between the '${relation.refTable}' and '${relation.table}' tables,\n`
+							+ `while the '${relation.table}' table object already has foreign key constraint in the schema referencing '${relation.refTable}' table.\n`
+							+ `In this case, the foreign key constraint will be used.\n`,
 					);
 					continue;
 				}
@@ -1053,13 +1052,12 @@ const getMySqlInfo = (
 					tableRelations[tableTsName]?.some((rel) =>
 						rel.table === relation.table
 						&& rel.refTable === relation.refTable
-					) === true
+					)
 				) {
 					console.warn(
-						`You are providing a one-to-many relation from the '${relation.table}' table to the '${relation.refTable}' table,\n`
-							+ `while your '${relation.table}' table object already has foreign key constraint in the schema(from the '${relation.table}' table to the '${relation.refTable}' table).\n`
-							+ `You can specify either the foreign key constraint or the relation, but not both.\n`
-							+ `By default, one-to-many relation will be ignored to respect foreign key constraint.\n`,
+						`You are providing a one-to-many relation between the '${relation.refTable}' and '${relation.table}' tables,\n`
+							+ `while the '${relation.table}' table object already has foreign key constraint in the schema referencing '${relation.refTable}' table.\n`
+							+ `In this case, the foreign key constraint will be used.\n`,
 					);
 					continue;
 				}
@@ -1374,13 +1372,12 @@ const getSqliteInfo = (
 					tableRelations[tableTsName]?.some((rel) =>
 						rel.table === relation.table
 						&& rel.refTable === relation.refTable
-					) === true
+					)
 				) {
 					console.warn(
-						`You are providing a one-to-many relation from the '${relation.table}' table to the '${relation.refTable}' table,\n`
-							+ `while your '${relation.table}' table object already has foreign key constraint in the schema(from the '${relation.table}' table to the '${relation.refTable}' table).\n`
-							+ `You can specify either the foreign key constraint or the relation, but not both.\n`
-							+ `By default, one-to-many relation will be ignored to respect foreign key constraint.\n`,
+						`You are providing a one-to-many relation between the '${relation.refTable}' and '${relation.table}' tables,\n`
+							+ `while the '${relation.table}' table object already has foreign key constraint in the schema referencing '${relation.refTable}' table.\n`
+							+ `In this case, the foreign key constraint will be used.\n`,
 					);
 					continue;
 				}

drizzle-seed/tests/mysql/mysql.test.ts

@@ -1,12 +1,12 @@
 import Docker from 'dockerode';
-import { sql } from 'drizzle-orm';
+import { relations, sql } from 'drizzle-orm';
 import type { MySql2Database } from 'drizzle-orm/mysql2';
 import { drizzle } from 'drizzle-orm/mysql2';
 import getPort from 'get-port';
 import type { Connection } from 'mysql2/promise';
 import { createConnection } from 'mysql2/promise';
 import { v4 as uuid } from 'uuid';
-import { afterAll, afterEach, beforeAll, expect, test } from 'vitest';
+import { afterAll, afterEach, beforeAll, expect, test, vi } from 'vitest';
 import { reset, seed } from '../../src/index.ts';
 import * as schema from './mysqlSchema.ts';
 
@@ -180,6 +180,29 @@ beforeAll(async () => {
 		`,
 	);
 
+	await db.execute(
+		sql`
+			    CREATE TABLE \`users\` (
+				\`id\` int,
+				\`name\` text,
+				\`invitedBy\` int,
+				CONSTRAINT \`users_id\` PRIMARY KEY(\`id\`)
+			);
+		`,
+	);
+
+	await db.execute(
+		sql`
+			    CREATE TABLE \`posts\` (
+				\`id\` int,
+				\`name\` text,
+				\`content\` text,
+				\`userId\` int,
+				CONSTRAINT \`posts_id\` PRIMARY KEY(\`id\`)
+			);
+		`,
+	);
+
 	await db.execute(
 		sql`
 			ALTER TABLE \`order_detail\` ADD CONSTRAINT \`order_detail_order_id_order_id_fk\` FOREIGN KEY (\`order_id\`) REFERENCES \`order\`(\`id\`) ON DELETE cascade ON UPDATE no action;
@@ -215,6 +238,18 @@ beforeAll(async () => {
 			ALTER TABLE \`product\` ADD CONSTRAINT \`product_supplier_id_supplier_id_fk\` FOREIGN KEY (\`supplier_id\`) REFERENCES \`supplier\`(\`id\`) ON DELETE cascade ON UPDATE no action;
 		`,
 	);
+
+	await db.execute(
+		sql`
+			ALTER TABLE \`users\` ADD CONSTRAINT \`users_invitedBy_users_id_fk\` FOREIGN KEY (\`invitedBy\`) REFERENCES \`users\`(\`id\`) ON DELETE cascade ON UPDATE no action;
+		`,
+	);
+
+	await db.execute(
+		sql`
+			ALTER TABLE \`posts\` ADD CONSTRAINT \`posts_userId_users_id_fk\` FOREIGN KEY (\`userId\`) REFERENCES \`users\`(\`id\`) ON DELETE cascade ON UPDATE no action;
+		`,
+	);
 });
 
 afterAll(async () => {
@@ -379,3 +414,28 @@ test("sequential using of 'with'", async () => {
 	expect(products.length).toBe(11);
 	expect(suppliers.length).toBe(11);
 });
+
+test('overlapping a foreign key constraint with a one-to-many relation', async () => {
+	const postsRelation = relations(schema.posts, ({ one }) => ({
+		user: one(schema.users, { fields: [schema.posts.userId], references: [schema.users.id] }),
+	}));
+
+	const consoleMock = vi.spyOn(console, 'warn').mockImplementation(() => {});
+
+	await reset(db, { users: schema.users, posts: schema.posts, postsRelation });
+	await seed(db, { users: schema.users, posts: schema.posts, postsRelation });
+	// expecting to get a warning
+	expect(consoleMock).toBeCalled();
+	expect(consoleMock).toBeCalledWith(expect.stringMatching(/^You are providing a one-to-many relation.+/));
+
+	const users = await db.select().from(schema.users);
+	const posts = await db.select().from(schema.posts);
+
+	expect(users.length).toBe(10);
+	let predicate = users.every((row) => Object.values(row).every((val) => val !== undefined && val !== null));
+	expect(predicate).toBe(true);
+
+	expect(posts.length).toBe(10);
+	predicate = posts.every((row) => Object.values(row).every((val) => val !== undefined && val !== null));
+	expect(predicate).toBe(true);
+});

drizzle-seed/tests/mysql/mysqlSchema.ts

@@ -100,3 +100,22 @@ export const details = mysqlTable('order_detail', {
 		.notNull()
 		.references(() => products.id, { onDelete: 'cascade' }),
 });
+
+export const users = mysqlTable(
+	'users',
+	{
+		id: int().primaryKey(),
+		name: text(),
+		invitedBy: int().references((): AnyMySqlColumn => users.id),
+	},
+);
+
+export const posts = mysqlTable(
+	'posts',
+	{
+		id: int().primaryKey(),
+		name: text(),
+		content: text(),
+		userId: int().references(() => users.id),
+	},
+);

drizzle-seed/tests/pg/allDataTypesTest/pgSchema.ts

@@ -64,31 +64,31 @@ export const allDataTypes = schema.table('all_data_types', {
 });
 
 export const allArrayDataTypes = schema.table('all_array_data_types', {
-	// integerArray: integer('integer_array').array(),
-	// smallintArray: smallint('smallint_array').array(),
-	// bigintegerArray: bigint('bigint_array', { mode: 'bigint' }).array(),
-	// bigintNumberArray: bigint('bigint_number_array', { mode: 'number' }).array(),
-	// booleanArray: boolean('boolean_array').array(),
-	// textArray: text('text_array').array(),
-	// varcharArray: varchar('varchar_array', { length: 256 }).array(),
-	// charArray: char('char_array', { length: 256 }).array(),
-	// numericArray: numeric('numeric_array').array(),
-	// decimalArray: decimal('decimal_array').array(),
-	// realArray: real('real_array').array(),
-	// doublePrecisionArray: doublePrecision('double_precision_array').array(),
-	// jsonArray: json('json_array').array(),
-	// jsonbArray: jsonb('jsonb_array').array(),
-	// timeArray: time('time_array').array(),
-	// timestampDateArray: timestamp('timestamp_date_array', { mode: 'date' }).array(),
-	// timestampStringArray: timestamp('timestamp_string_array', { mode: 'string' }).array(),
+	integerArray: integer('integer_array').array(),
+	smallintArray: smallint('smallint_array').array(),
+	bigintegerArray: bigint('bigint_array', { mode: 'bigint' }).array(),
+	bigintNumberArray: bigint('bigint_number_array', { mode: 'number' }).array(),
+	booleanArray: boolean('boolean_array').array(),
+	textArray: text('text_array').array(),
+	varcharArray: varchar('varchar_array', { length: 256 }).array(),
+	charArray: char('char_array', { length: 256 }).array(),
+	numericArray: numeric('numeric_array').array(),
+	decimalArray: decimal('decimal_array').array(),
+	realArray: real('real_array').array(),
+	doublePrecisionArray: doublePrecision('double_precision_array').array(),
+	jsonArray: json('json_array').array(),
+	jsonbArray: jsonb('jsonb_array').array(),
+	timeArray: time('time_array').array(),
+	timestampDateArray: timestamp('timestamp_date_array', { mode: 'date' }).array(),
+	timestampStringArray: timestamp('timestamp_string_array', { mode: 'string' }).array(),
 	dateStringArray: date('date_string_array', { mode: 'string' }).array(),
 	dateArray: date('date_array', { mode: 'date' }).array(),
-	// intervalArray: interval('interval_array').array(),
-	// pointArray: point('point_array', { mode: 'xy' }).array(),
-	// pointTupleArray: point('point_tuple_array', { mode: 'tuple' }).array(),
-	// lineArray: line('line_array', { mode: 'abc' }).array(),
-	// lineTupleArray: line('line_tuple_array', { mode: 'tuple' }).array(),
-	// moodEnumArray: moodEnum('mood_enum_array').array(),
+	intervalArray: interval('interval_array').array(),
+	pointArray: point('point_array', { mode: 'xy' }).array(),
+	pointTupleArray: point('point_tuple_array', { mode: 'tuple' }).array(),
+	lineArray: line('line_array', { mode: 'abc' }).array(),
+	lineTupleArray: line('line_tuple_array', { mode: 'tuple' }).array(),
+	moodEnumArray: moodEnum('mood_enum_array').array(),
 });
 
 export const ndArrays = schema.table('nd_arrays', {

drizzle-seed/tests/pg/pg.test.ts

@@ -1,8 +1,8 @@
 import { PGlite } from '@electric-sql/pglite';
-import { sql } from 'drizzle-orm';
+import { relations, sql } from 'drizzle-orm';
 import type { PgliteDatabase } from 'drizzle-orm/pglite';
 import { drizzle } from 'drizzle-orm/pglite';
-import { afterAll, afterEach, beforeAll, expect, test } from 'vitest';
+import { afterAll, afterEach, beforeAll, expect, test, vi } from 'vitest';
 import { reset, seed } from '../../src/index.ts';
 import * as schema from './pgSchema.ts';
 
@@ -193,14 +193,29 @@ beforeAll(async () => {
 
 	await db.execute(
 		sql`
-			create table "seeder_lib_pg"."user"
+			create table "seeder_lib_pg"."users"
 			(
 			    id          serial
 			        primary key,
 			    name        text,
 			    "invitedBy" integer
-			        constraint "user_invitedBy_user_id_fk"
-			            references "seeder_lib_pg"."user"
+			        constraint "users_invitedBy_user_id_fk"
+			            references "seeder_lib_pg"."users"
+			);
+		`,
+	);
+
+	await db.execute(
+		sql`
+			create table "seeder_lib_pg"."posts"
+			(
+			    id          serial
+			        primary key,
+			    name        text,
+				content     text,
+			    "userId" integer
+			        constraint "users_userId_user_id_fk"
+			            references "seeder_lib_pg"."users"
 			);
 		`,
 	);
@@ -385,11 +400,36 @@ test('seeding with identity columns', async () => {
 });
 
 test('seeding with self relation', async () => {
-	await seed(db, { user: schema.user });
+	await seed(db, { users: schema.users });
 
-	const result = await db.select().from(schema.user);
+	const result = await db.select().from(schema.users);
 
 	expect(result.length).toBe(10);
 	const predicate = result.every((row) => Object.values(row).every((val) => val !== undefined && val !== null));
 	expect(predicate).toBe(true);
 });
+
+test('overlapping a foreign key constraint with a one-to-many relation', async () => {
+	const postsRelation = relations(schema.posts, ({ one }) => ({
+		user: one(schema.users, { fields: [schema.posts.userId], references: [schema.users.id] }),
+	}));
+
+	const consoleMock = vi.spyOn(console, 'warn').mockImplementation(() => {});
+
+	await reset(db, { users: schema.users, posts: schema.posts, postsRelation });
+	await seed(db, { users: schema.users, posts: schema.posts, postsRelation });
+	// expecting to get a warning
+	expect(consoleMock).toBeCalled();
+	expect(consoleMock).toBeCalledWith(expect.stringMatching(/^You are providing a one-to-many relation.+/));
+
+	const users = await db.select().from(schema.users);
+	const posts = await db.select().from(schema.posts);
+
+	expect(users.length).toBe(10);
+	let predicate = users.every((row) => Object.values(row).every((val) => val !== undefined && val !== null));
+	expect(predicate).toBe(true);
+
+	expect(posts.length).toBe(10);
+	predicate = posts.every((row) => Object.values(row).every((val) => val !== undefined && val !== null));
+	expect(predicate).toBe(true);
+});

drizzle-seed/tests/pg/pgSchema.ts

@@ -109,11 +109,21 @@ export const identityColumnsTable = schema.table('identity_columns_table', {
 	name: text(),
 });
 
-export const user = schema.table(
-	'user',
+export const users = schema.table(
+	'users',
 	{
 		id: serial().primaryKey(),
 		name: text(),
-		invitedBy: integer().references((): AnyPgColumn => user.id),
+		invitedBy: integer().references((): AnyPgColumn => users.id),
+	},
+);
+
+export const posts = schema.table(
+	'posts',
+	{
+		id: serial().primaryKey(),
+		name: text(),
+		content: text(),
+		userId: integer().references(() => users.id),
 	},
 );