Add missing migration.

Author: rkistner

modules/module-postgres-storage/src/migrations/scripts/1764667093139-current-data-pending-deletes.ts

@@ -0,0 +1,34 @@
+import { migrations } from '@powersync/service-core';
+import { openMigrationDB } from '../migration-utils.js';
+
+export const up: migrations.PowerSyncMigrationFunction = async (context) => {
+  const {
+    service_context: { configuration }
+  } = context;
+  await using client = openMigrationDB(configuration.storage);
+  await client.transaction(async (db) => {
+    await db.sql`
+      ALTER TABLE current_data
+      ADD COLUMN pending_delete BIGINT NULL
+    `.execute();
+    await db.sql`
+      CREATE INDEX IF NOT EXISTS current_data_pending_deletes ON current_data (group_id, pending_delete)
+      WHERE
+        pending_delete IS NOT NULL
+    `.execute();
+  });
+};
+
+export const down: migrations.PowerSyncMigrationFunction = async (context) => {
+  const {
+    service_context: { configuration }
+  } = context;
+  await using client = openMigrationDB(configuration.storage);
+  await client.transaction(async (db) => {
+    await db.sql`DROP INDEX IF EXISTS current_data_pending_deletes`.execute();
+    await db.sql`
+      ALTER TABLE current_data
+      DROP COLUMN pending_delete
+    `.execute();
+  });
+};