Fixed #12925

craftcms · Mar 20, 2023 · 96c56f1 · 96c56f1
1 parent e39861b
commit 96c56f1
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,6 +6,7 @@
 - `craft\helpers\Json::encode()` no longer sets the `JSON_UNESCAPED_SLASHES` flag by default.
 - Fixed a JavaScript error that occurred when resolving an asset move conflict. ([#12920](https://github.com/craftcms/cms/issues/12920))
 - Fixed a bug where volume subfolders were being shown when viewing soft-deleted assets. ([#12927](https://github.com/craftcms/cms/issues/12927))
+- Fixed a bug where structure data was getting deleted when running garbage collection on PostgreSQL. ([#12925](https://github.com/craftcms/cms/issues/12925))
 
 ## 3.8.3 - 2023-03-16
 

diff --git a/src/services/Gc.php b/src/services/Gc.php
@@ -390,7 +390,8 @@ private function _deleteOrphanedStructureElements(): void
 DELETE FROM $structureElementsTable
 USING $structureElementsTable [[se]]
 LEFT JOIN $elementsTable [[e]] ON [[e.id]] = [[se.elementId]]
-WHERE [[se.elementId]] IS NOT NULL AND [[e.id]] IS NULL
+WHERE $structureElementsTable.[[id]] = [[se.id]] AND
+  [[se.elementId]] IS NOT NULL AND [[e.id]] IS NULL
 SQL;
         }