fix: Drizzle query returning an array-in-array type: (#430)

Author: Chriztiaan

.changeset/honest-mugs-yawn.md

@@ -0,0 +1,5 @@
+---
+'@powersync/drizzle-driver': patch
+---
+
+Fixed a typing issue related to queries returning multiple results when used in `db.watch()`.

packages/drizzle-driver/src/sqlite/db.ts

@@ -21,7 +21,7 @@ import type { DrizzleConfig } from 'drizzle-orm/utils';
 import { toCompilableQuery } from './../utils/compilableQuery';
 import { PowerSyncSQLiteSession, PowerSyncSQLiteTransactionConfig } from './sqlite-session';
 
-export type DrizzleQuery<T> = { toSQL(): Query; execute(): Promise<T> };
+export type DrizzleQuery<T> = { toSQL(): Query; execute(): Promise<T | T[]> };
 
 export class PowerSyncSQLiteDatabase<
   TSchema extends Record<string, unknown> = Record<string, never>