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-rw-r--r--includes/database.mysqli.inc2
1 files changed, 1 insertions, 1 deletions
diff --git a/includes/database.mysqli.inc b/includes/database.mysqli.inc
index 82a2c3a47..06e2bc744 100644
--- a/includes/database.mysqli.inc
+++ b/includes/database.mysqli.inc
@@ -416,7 +416,7 @@ function db_table_exists($table) {
function db_distinct_field($table, $field, $query) {
$field_to_select = 'DISTINCT('. $table .'.'. $field .')';
// (?<!text) is a negative look-behind (no need to rewrite queries that already use DISTINCT).
- return preg_replace('/(SELECT.*)('. $table .'\.)?(?<!DISTINCT\()(?<!DISTINCT\('. $table .'\.)'. $field .'(.*FROM )/AUsi', '\1'. $field_to_select .'\3', $query);
+ return preg_replace('/(SELECT.*)(?:'. $table .'\.|\s)(?<!DISTINCT\()(?<!DISTINCT\('. $table .'\.)'. $field .'(.*FROM )/AUsi', '\1 '. $field_to_select .'\2', $query);
}
/**