1 files changed, 3 insertions, 0 deletions
diff --git a/idiorm.php b/idiorm.php
index 09b211c..5a86df2 100644
--- a/idiorm.php
+++ b/idiorm.php
@@ -629,8 +629,11 @@
             if('*' != $column) {
                 $column = $this->_quote_identifier($column);
             }
+            $result_columns = $this->_result_columns;
+            $this->_result_columns = array();
             $this->select_expr("$sql_function($column)", $alias);
             $result = $this->find_one();
+            $this->_result_columns = $result_columns;
 
             $return_value = 0;
             if($result !== false && isset($result->$alias)) {