From 6fa955bd1253fea188f4a2f95e8437d8d4b019a9 Mon Sep 17 00:00:00 2001
From: Nicolas Boisselier <nicolas.boisselier@semantico.com>
Date: Mon, 17 Oct 2016 14:30:44 +0100
Subject: [PATCH] fix bug in select_extras

---
 lib/php/db/table.php | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/php/db/table.php b/lib/php/db/table.php
index ed5b32ba..6e4663ee 100644
--- a/lib/php/db/table.php
+++ b/lib/php/db/table.php
@@ -37,7 +37,7 @@ Class Table extends nb {
     , 'page', 'paged' # wordpress
   ];
 
-  public $fields;
+  public $fields = [];
   public $indexes;
 
   function __construct($name,$opt=[]) {
@@ -266,9 +266,9 @@ Class Table extends nb {
 
     $this->create_temporary();
 
-    if (!isset($this->fields)) {
+    if (!isset($this->_fields)) {
+      $this->_fields = true;
 
-      $this->fields = array();
       $conf = $this->unvar($this->db()->conf_type('table.fields',true));
       if (is_scalar($conf)) $conf = array('sql'=>$conf);
       $rows = $this->db()->conn->query($conf['sql']);
@@ -665,6 +665,7 @@ Class Table extends nb {
       $select[] = $field->extras." AS ".$field->sql_name();
     }
 
+    if (!$select) return '';
     return ','.join(',',$select);
   }
 
-- 
2.47.3