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-rw-r--r--includes/database/mysql/query.inc4
1 files changed, 4 insertions, 0 deletions
diff --git a/includes/database/mysql/query.inc b/includes/database/mysql/query.inc
index 58fc8eb22..f468e486c 100644
--- a/includes/database/mysql/query.inc
+++ b/includes/database/mysql/query.inc
@@ -16,6 +16,10 @@ class InsertQuery_mysql extends InsertQuery {
throw new PDOException('You may not specify the same field to have a value and a schema-default value.');
}
+ if (count($this->insertFields) + count($this->defaultFields) == 0) {
+ return NULL;
+ }
+
$last_insert_id = 0;
$max_placeholder = 0;