Add return $this in _add_result_column to clean up select and select_expr

1 files changed, 3 insertions, 4 deletions

diff --git a/idiorm.php b/idiorm.php
index 20e3ead..d03f274 100644
--- a/idiorm.php
+++ b/idiorm.php
@@ -374,6 +374,7 @@
             } else {
                 $this->_result_columns[] = $expr;
             }
+            return $this;
         }
 
         /**
@@ -383,8 +384,7 @@
          */
         public function select($column, $alias=null) {
             $column = $this->_quote_identifier($column);
-            $this->_add_result_column($column, $alias);
-            return $this;
+            return $this->_add_result_column($column, $alias);
         }
 
         /**
@@ -393,8 +393,7 @@
          * the alias to return the column as.
          */
         public function select_expr($expr, $alias=null) {
-            $this->_add_result_column($expr, $alias);
-            return $this;
+            return $this->_add_result_column($expr, $alias);
         }
 
         /**