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-rw-r--r--system/database/DB_query_builder.php25
1 files changed, 19 insertions, 6 deletions
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php
index e6a108209..a73460394 100644
--- a/system/database/DB_query_builder.php
+++ b/system/database/DB_query_builder.php
@@ -1138,7 +1138,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
* ORDER BY
*
* @param string $orderby
- * @param string $direction ASC or DESC
+ * @param string $direction ASC, DESC or RANDOM
* @param bool $escape
* @return CI_DB_query_builder
*/
@@ -1152,7 +1152,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
// Do we have a seed value?
$orderby = ctype_digit((string) $orderby)
- ? $orderby = sprintf($this->_random_keyword[1], $orderby)
+ ? sprintf($this->_random_keyword[1], $orderby)
: $this->_random_keyword[0];
}
elseif (empty($orderby))
@@ -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))
+ {
+ 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']);
@@ -2551,11 +2562,13 @@ abstract class CI_DB_query_builder extends CI_DB_driver {
$qb_variable = 'qb_'.$val;
$qb_cache_var = 'qb_cache_'.$val;
- if (count($this->$qb_cache_var) === 0)
+ if (count($this->$qb_cache_var) > 0)
{
- continue;
+ foreach ($this->$qb_cache_var as &$cache_var)
+ {
+ in_array($cache_var, $this->$qb_variable, TRUE) OR $this->{$qb_variable}[] = $cache_var;
+ }
}
- $this->$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"