diff options
| -rw-r--r-- | engine/lib/access.php | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/engine/lib/access.php b/engine/lib/access.php index dba1e1ec6..6be252c6a 100644 --- a/engine/lib/access.php +++ b/engine/lib/access.php @@ -671,8 +671,10 @@ function add_user_to_access_collection($user_guid, $collection_id) { return false; } + // if someone tries to insert the same data twice, we do a no-op on duplicate key $q = "INSERT INTO {$CONFIG->dbprefix}access_collection_membership - SET access_collection_id = {$collection_id}, user_guid = {$user_guid}"; + SET access_collection_id = $collection_id, user_guid = $user_guid + ON DUPLICATE KEY UPDATE user_guid = user_guid"; $result = insert_data($q); return $result !== false; |