Merge pull request #1099 from ByteHamster/quote-null-value

Do not try to quote null value for SQL

Author: ByteHamster

Core/Frameworks/Flake/Core/Database.php

@@ -178,7 +178,11 @@ function fullQuoteArray($arr, $table, $noQuote = false) {
 
         foreach ($arr as $k => $v) {
             if ($noQuote === false || !in_array($k, $noQuote)) {
-                $arr[$k] = $this->fullQuote($v, $table);
+                if ($v === null) {
+                    $arr[$k] = "NULL";
+                } else {
+                    $arr[$k] = $this->fullQuote($v, $table);
+                }
             }
         }