From 4aee8fc0335e396ac0aac3983c74c710b4082d07 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pauli=20J=C3=A4rvinen?= <pauli.jarvinen@gmail.com>
Date: Fri, 3 Jan 2025 23:16:14 +0200
Subject: [PATCH] Fix background cleanup job not working on PostgreSQL

In PostgreSQL, double quotes (") denote a column or table name instead of
string literal. This differs from MariaDB and SQLite.

refs https://github.com/owncloud/music/issues/1191
---
 CHANGELOG.md           | 6 ++++++
 lib/Db/Maintenance.php | 6 +++---
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 766a71a7a..a3be44dcf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## [Unreleased]
+
+### Fixed
+- Background cleanup job not working with PostgreSQL (since v2.1.0)
+  [#1191](https://github.com/owncloud/music/issues/1191)
+
 ## 2.1.0 - 2025-01-02
 
 ### Added
diff --git a/lib/Db/Maintenance.php b/lib/Db/Maintenance.php
index 88e6671fc..ec501558c 100644
--- a/lib/Db/Maintenance.php
+++ b/lib/Db/Maintenance.php
@@ -34,7 +34,7 @@ public function __construct(IDBConnection $db, Logger $logger) {
 	 */
 	private function removeStrayScanningStatus() : int {
 		$sql = 'SELECT `user_id`, `data` FROM `*PREFIX*music_cache`
-				WHERE `key` = "scanning"';
+				WHERE `key` = \'scanning\'';
 		$result = $this->db->executeQuery($sql);
 		$rows = $result->fetchAll();
 		$result->closeCursor();
@@ -45,7 +45,7 @@ private function removeStrayScanningStatus() : int {
 			$timestamp = (int)$row['data'];
 			if ($now - $timestamp > 60) {
 				$modRows += $this->db->executeUpdate(
-					'DELETE FROM `*PREFIX*music_cache` WHERE `key` = "scanning" AND `user_id` = ?',
+					'DELETE FROM `*PREFIX*music_cache` WHERE `key` = \'scanning\' AND `user_id` = ?',
 					[$row['user_id']]
 				);
 			}
@@ -58,7 +58,7 @@ private function removeStrayScanningStatus() : int {
 	 * @return bool true if at least one user has an ongoing scanning job
 	 */
 	private function scanningInProgress() : bool {
-		$sql = 'SELECT 1 FROM `*PREFIX*music_cache`	WHERE `key` = "scanning"';
+		$sql = 'SELECT 1 FROM `*PREFIX*music_cache`	WHERE `key` = \'scanning\'';
 		$result = $this->db->executeQuery($sql);
 		$row = $result->fetch();
 		return (bool)$row;