diff --git a/DatabasePdoPgsql.php b/DatabasePdoPgsql.php
index 6c5b990..ce8fd86 100644
--- a/DatabasePdoPgsql.php
+++ b/DatabasePdoPgsql.php
@@ -3,7 +3,7 @@
 /**
  * PDO/PostgreSQL wrapper with (mostly) DatabaseMySQL interface :)
  * Select builder is inspired by MediaWiki's one.
- * Version: 2018-10-21
+ * Version: 2018-11-04
  * (c) Vitaliy Filippov, 2015-2018
  */
 
@@ -789,6 +789,17 @@ class DatabasePdoPgsql implements Database
      * @param array $where Conditions for update query, see $this->where_builder().
      */
     function update($table, $set, $where = NULL, $options = NULL)
+    {
+        $sql = $this->update_builder($table, $set, $where, $options);
+        if (!$sql)
+            return false;
+        $r = $this->query($sql);
+        if ($r)
+            return $r->rowCount();
+        return false;
+    }
+
+    function update_builder($table, $set, $where = NULL, $options = NULL)
     {
         if (!$set)
             return false;
@@ -808,10 +819,7 @@ class DatabasePdoPgsql implements Database
             $where = array_merge($where, $more);
         $where = $this->where_builder($where) ?: '1=1';
         $sql .= ' WHERE ' . $where;
-        $r = $this->query($sql);
-        if ($r)
-            return $r->rowCount();
-        return false;
+        return $sql;
     }
 
     /**