pkp#6724 Make large upgrade installations more reliable (pkp#6724 (co…

…mment))
lepidus · Jun 17, 2021 · 833ec01 · 833ec01
1 parent b20eb38
commit 833ec01
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/classes/migration/upgrade/PKPv3_3_0UpgradeMigration.inc.php b/classes/migration/upgrade/PKPv3_3_0UpgradeMigration.inc.php
@@ -419,10 +419,12 @@ private function _migrateSubmissionFiles() {
 			}
 		}
 
-		// Delete the rows for old revisions
-		Capsule::table('submission_files')
-			->whereIn('new_file_id', $newFileIdsToDelete)
-			->delete();
+		// Delete the rows for old revisions (chunked for performance)
+		foreach (array_chunk($newFileIdsToDelete, 100) as $chunkFileIds) {
+			Capsule::table('submission_files')
+				->whereIn('new_file_id', $chunkFileIds)
+				->delete();
+		}
 
 		// Remove all review round files that point to file ids
 		// that don't exist, so that the foreign key can be set