From 3ed8c51254a5b26d951fa675802fcf69adf9638e Mon Sep 17 00:00:00 2001
From: admin <devnull@localhost>
Date: Fri, 29 Sep 2006 23:26:28 +0000
Subject:

---
 system/database/DB_driver.php | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'system/database/DB_driver.php')

diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 94db84bbf..275d51c53 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -45,6 +45,7 @@ class CI_DB_driver {
 	var $query_count	= 0;
 	var $bind_marker	= '?';
 	var $queries		= array();
+	var $cache			= array();
 	var $trans_enabled	= TRUE;
 	var $_trans_depth	= 0;
 	var $_trans_failure	= FALSE; // Used with transactions to determine if a rollback should occur
@@ -563,6 +564,12 @@ class CI_DB_driver {
 	 */
     function field_names($table = '')
     {
+		// Is there a cached result?
+		if (isset($this->cache['field_names'][$table]))
+		{
+			return $this->cache['field_names'][$table];
+		}
+    
     	if ($table == '')
     	{
 			if ($this->db_debug)
@@ -596,7 +603,7 @@ class CI_DB_driver {
 			}    	
 		}
     	
-    	return $retval;
+		return $this->cache['field_names'][$table] =& $retval;
     }
 	
 	// --------------------------------------------------------------------
-- 
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