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-rw-r--r--engine/lib/database.php4
1 files changed, 4 insertions, 0 deletions
diff --git a/engine/lib/database.php b/engine/lib/database.php
index cc2b99f6a..7d90b30b8 100644
--- a/engine/lib/database.php
+++ b/engine/lib/database.php
@@ -253,6 +253,10 @@ function execute_query($query, $dblink) {
throw new DatabaseException(elgg_echo('DatabaseException:InvalidQuery'));
}
+ if (!is_resource($dblink)) {
+ throw new DatabaseException(elgg_echo('DatabaseException:InvalidDBLink'));
+ }
+
$dbcalls++;
$result = mysql_query($query, $dblink);