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Don't split the main query if there is no limit. This helps avoid extremely long query strings that could cause segfaults. Allow plugins to control splitting via split_the_query filter. see #20628 

git-svn-id: http://core.svn.wordpress.org/trunk@20740 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2012-05-08 20:01:47 +00:00
parent f5366a2ccf
commit bfe82654d6
1 changed files with 3 additions and 1 deletions
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4
wp-includes/query.php
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@ -2626,7 +2626,9 @@ class WP_Query {
return $r;
}
if ( $old_request == $this->request && "$wpdb->posts.*" == $fields ) {
$split_the_query = apply_filters( 'split_the_query', ( $old_request == $this->request && "$wpdb->posts.*" == $fields && !empty( $limits) ), $this );
if ( $split_the_query ) {
// First get the IDs and then fill in the objects
$this->request = "SELECT $found_rows $distinct $wpdb->posts.ID FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";