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-rw-r--r--system/database/DB_query_builder.php46
1 files changed, 36 insertions, 10 deletions
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index a36501eb6..085c615e5 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -18,7 +18,7 @@
*
* @package CodeIgniter
* @author EllisLab Dev Team
- * @copyright Copyright (c) 2008 - 2013, EllisLab, Inc. (http://ellislab.com/)
+ * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
* @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
@@ -263,7 +263,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
$select = explode(',', $select);
}
- // If the escape value was not set will will base it on the global setting
+ // If the escape value was not set, we will base it on the global setting
is_bool($escape) OR $escape = $this->_protect_identifiers;
foreach ($select as $val)
@@ -1338,7 +1338,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
* returned by an Query Builder query.
*
* @param string
- * @return string
+ * @return int
*/
public function count_all_results($table = '')
{
@@ -2291,7 +2291,12 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
{
for ($i = 0, $c = count($this->$qb_key); $i < $c; $i++)
{
- if ($this->{$qb_key}[$i]['escape'] === FALSE)
+ // Is this condition already compiled?
+ if (is_string($this->{$qb_key}[$i]))
+ {
+ continue;
+ }
+ elseif ($this->{$qb_key}[$i]['escape'] === FALSE)
{
$this->{$qb_key}[$i] = $this->{$qb_key}[$i]['condition'];
continue;
@@ -2361,6 +2366,12 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
{
for ($i = 0, $c = count($this->qb_groupby); $i < $c; $i++)
{
+ // Is it already compiled?
+ if (is_string($this->qb_groupby[$i]))
+ {
+ continue;
+ }
+
$this->qb_groupby[$i] = ($this->qb_groupby[$i]['escape'] === FALSE OR $this->_is_literal($this->qb_groupby[$i]['field']))
? $this->qb_groupby[$i]['field']
: $this->protect_identifiers($this->qb_groupby[$i]['field']);
@@ -2545,17 +2556,34 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
{
return;
}
+ elseif (in_array('select', $this->qb_cache_exists, TRUE))
+ {
+ $qb_no_escape = $this->qb_cache_no_escape;
+ }
- foreach ($this->qb_cache_exists as $val)
+ foreach (array_unique($this->qb_cache_exists) as $val) // select, from, etc.
{
$qb_variable = 'qb_'.$val;
$qb_cache_var = 'qb_cache_'.$val;
+ $qb_new = $this->$qb_cache_var;
- if (count($this->$qb_cache_var) === 0)
+ for ($i = 0, $c = count($this->$qb_variable); $i < $c; $i++)
{
- continue;
+ if ( ! in_array($this->{$qb_variable}[$i], $qb_new, TRUE))
+ {
+ $qb_new[] = $this->{$qb_variable}[$i];
+ if ($val === 'select')
+ {
+ $qb_no_escape[] = $this->qb_no_escape[$i];
+ }
+ }
+ }
+
+ $this->$qb_variable = $qb_new;
+ if ($val === 'select')
+ {
+ $this->qb_no_escape = $qb_no_escape;
}
- $this->$qb_variable = array_merge($this->$qb_variable, array_diff($this->$qb_cache_var, $this->$qb_variable));
}
// If we are "protecting identifiers" we need to examine the "from"
@@ -2564,8 +2592,6 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
{
$this->_track_aliases($this->qb_from);
}
-
- $this->qb_no_escape = array_merge($this->qb_no_escape, array_diff($this->qb_cache_no_escape, $this->qb_no_escape));
}
// --------------------------------------------------------------------