fix(core): Try setting postgres search_path on the database (#9530)

packages/cli/src/Db.ts

@@ -4,7 +4,6 @@ import type { EntityManager } from '@n8n/typeorm';
 import { DataSource as Connection } from '@n8n/typeorm';
 import { ErrorReporterProxy as ErrorReporter } from 'n8n-workflow';
 
-import config from '@/config';
 import { inTest } from '@/constants';
 import { wrapMigration } from '@db/utils/migrationHelpers';
 import type { Migration } from '@db/types';
@@ -48,30 +47,14 @@ export async function transaction<T>(fn: (entityManager: EntityManager) => Promi
 	return await connection.transaction(fn);
 }
 
-export async function setSchema(conn: Connection) {
-	const schema = config.getEnv('database.postgresdb.schema');
-	const searchPath = ['public'];
-	if (schema !== 'public') {
-		await conn.query(`CREATE SCHEMA IF NOT EXISTS ${schema}`);
-		searchPath.unshift(schema);
-	}
-	await conn.query(`SET search_path TO ${searchPath.join(',')};`);
-}
-
 export async function init(): Promise<void> {
 	if (connectionState.connected) return;
 
-	const dbType = config.getEnv('database.type');
 	const connectionOptions = getConnectionOptions();
-
 	connection = new Connection(connectionOptions);
 	Container.set(Connection, connection);
 	await connection.initialize();
 
-	if (dbType === 'postgresdb') {
-		await setSchema(connection);
-	}
-
 	connectionState.connected = true;
 }
 

packages/cli/src/commands/db/revert.ts

@@ -3,11 +3,9 @@ import type { DataSourceOptions as ConnectionOptions } from '@n8n/typeorm';
 import { MigrationExecutor, DataSource as Connection } from '@n8n/typeorm';
 import { Container } from 'typedi';
 import { Logger } from '@/Logger';
-import { setSchema } from '@/Db';
 import { getConnectionOptions } from '@db/config';
 import type { Migration } from '@db/types';
 import { wrapMigration } from '@db/utils/migrationHelpers';
-import config from '@/config';
 
 // This function is extracted to make it easier to unit test it.
 // Mocking turned into a mess due to this command using typeorm and the db
@@ -88,9 +86,6 @@ export class DbRevertMigrationCommand extends Command {
 		const connection = new Connection(connectionOptions);
 		await connection.initialize();
 
-		const dbType = config.getEnv('database.type');
-		if (dbType === 'postgresdb') await setSchema(connection);
-
 		const migrationExecutor = new MigrationExecutor(connection);
 
 		(connectionOptions.migrations as Migration[]).forEach(wrapMigration);