From 513ce070bfcbb2b59d0aabd1732b7666b90b4d83 Mon Sep 17 00:00:00 2001
From: Derek Allard <derek.allard@ellislab.com>
Date: Sun, 18 May 2008 12:23:11 +0000
Subject: Moved the _has_operators() function into DB_driver from
 DB_active_rec.

---
 system/database/DB_driver.php | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

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

diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index eeaf6ea78..60f51d757 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -933,7 +933,9 @@ class CI_DB_driver {
 	function update_string($table, $data, $where)
 	{
 		if ($where == '')
+		{
 			return false;
+		}
 					
 		$fields = array();
 		foreach($data as $key => $val)
@@ -971,6 +973,26 @@ class CI_DB_driver {
 
 	// --------------------------------------------------------------------
 
+	/**
+	 * Tests whether the string has an SQL operator
+	 *
+	 * @access	private
+	 * @param	string
+	 * @return	bool
+	 */
+	function _has_operator($str)
+	{
+		$str = trim($str);
+		if ( ! preg_match("/(\s|<|>|!|=|is null|is not null)/i", $str))
+		{
+			return FALSE;
+		}
+
+		return TRUE;
+	}
+	
+	// --------------------------------------------------------------------
+
 	/**
 	 * Prep the table name - simply adds the table prefix if needed
 	 *
-- 
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