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-rw-r--r--system/database/DB_query_builder.php21
1 files changed, 17 insertions, 4 deletions
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index 1d41a19ba..c543e1584 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -2556,6 +2556,10 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
{
return;
}
+ elseif (in_array('select', $this->qb_cache_exists, TRUE))
+ {
+ $qb_no_escape = $this->qb_cache_no_escape;
+ }
foreach (array_unique($this->qb_cache_exists) as $val) // select, from, etc.
{
@@ -2563,12 +2567,23 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
$qb_cache_var = 'qb_cache_'.$val;
$qb_new = $this->$qb_cache_var;
- foreach ($this->$qb_variable as &$qb_var)
+ for ($i = 0, $c = count($this->$qb_variable); $i < $c; $i++)
{
- in_array($qb_var, $qb_new, TRUE) OR $qb_new[] = $qb_var;
+ if ( ! in_array($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;
+ }
}
// If we are "protecting identifiers" we need to examine the "from"
@@ -2577,8 +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));
}
// --------------------------------------------------------------------