prevent duplicate file names

2021-03-31 13:58:56 +02:00
parent 2d4c2f5aaa
commit 11e83028c5
5 changed files with 49 additions and 16 deletions
--- a/core/Driver/SQL/SQL.class.php
+++ b/core/Driver/SQL/SQL.class.php
@@ -352,6 +352,15 @@ abstract class SQL {
      $column = $this->columnName($condition->getColumn());
      $value = $condition->getValue();
      $operator = $condition->getOperator();
+
+      if ($value === null) {
+        if ($operator === "=") {
+          return "$column IS NULL";
+        } else if ($operator === "!=") {
+          return "$column IS NOT NULL";
+        }
+      }
+
      return $column . $operator . $this->addValue($value, $params);
    } else if ($condition instanceof CondBool) {
      return $this->columnName($condition->getValue());