bugfix

Core/Driver/SQL/Expression/NullIf.class.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Core\Driver\SQL\Expression;
+
+use Core\Driver\SQL\SQL;
+
+class NullIf extends Expression {
+
+  private mixed $lhs;
+  private mixed $rhs;
+
+  public function __construct(mixed $lhs, mixed $rhs) {
+    $this->lhs = $lhs;
+    $this->rhs = $rhs;
+  }
+
+  function getExpression(SQL $sql, array &$params): string {
+    $lhs = $sql->addValue($this->lhs, $params);
+    $rhs = $sql->addValue($this->rhs, $params);
+    return "NULLIF($lhs, $rhs)";
+  }
+}