perf(db): Extend jobs.time_sensitive index

Nextcloud commonly selects a job by looking at all three columns.

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Author: ChristophWurst

core/Application.php

@@ -190,6 +190,13 @@ public function __construct() {
 				'job_lastcheck_reserved',
 				['last_checked', 'reserved_at']
 			);
+			$event->replaceIndex(
+				'jobs',
+				['jobs_time_sensitive'],
+				'jobs_sensitive_lastcheck_reserved',
+				['time_sensitive', 'last_checked', 'reserved_at'],
+				false,
+			);
 
 			$event->addMissingIndex(
 				'direct_edit',

core/Migrations/Version24000Date20220131153041.php

@@ -30,7 +30,10 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 			$table->addColumn('time_sensitive', Types::SMALLINT, [
 				'default' => 1,
 			]);
-			$table->addIndex(['time_sensitive'], 'jobs_time_sensitive');
+			// jobs_time_sensitive replaced by jobs_sensitive_lastcheck_reserved
+			// $table->addIndex(['time_sensitive'], 'jobs_time_sensitive');
+			// Added later on (32 and backported)
+			$table->addIndex(['time_sensitive', 'last_checked', 'reserved_at'], 'jobs_sensitive_lastcheck_reserved');
 			return $schema;
 		}
 		return null;