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Parse the meta query again if query vars change. Set a global query_vars_changed flag instead of doing multiple hash creation calls. Props greuben. see #16742 for trunk

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git-svn-id: http://svn.automattic.com/wordpress/trunk@17552 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2011-03-24 16:07:24 +00:00
parent 0e08826bbd
commit 1853efd70a
1 changed files with 34 additions and 4 deletions
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38
wp-includes/query.php
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@ -1239,6 +1239,15 @@ class WP_Query {
*/
var $query_vars_hash = false;
/**
* Whether query vars have changed since the initial parse_query() call. Used to catch modifications to query vars made
* via pre_get_posts hooks.
*
* @since 3.1.1
* @access private
*/
var $query_vars_changed = true;
/**
* Resets query flags to false.
*
@ -1395,6 +1404,7 @@ class WP_Query {
$this->query_vars = $this->fill_query_vars($this->query_vars);
$qv = &$this->query_vars;
$this->query_vars_changed = true;
if ( ! empty($qv['robots']) )
$this->is_robots = true;
@ -1627,6 +1637,9 @@ class WP_Query {
if ( '404' == $qv['error'] )
$this->set_404();
$this->query_vars_hash = md5( serialize( $this->query_vars ) );
$this->query_vars_changed = false;
do_action_ref_array('parse_query', array(&$this));
}
@ -1685,7 +1698,7 @@ class WP_Query {
}
// Category stuff
if ( !empty($q['cat']) && '0' != $q['cat'] && !$this->is_singular && md5(serialize( $this->query_vars ) ) != $this->query_vars_hash ) {
if ( !empty($q['cat']) && '0' != $q['cat'] && !$this->is_singular && $this->query_vars_changed ) {
$q['cat'] = ''.urldecode($q['cat']).'';
$q['cat'] = addslashes_gpc($q['cat']);
$cat_array = preg_split('/[,\s]+/', $q['cat']);
@ -1739,7 +1752,7 @@ class WP_Query {
}
// Tag stuff
if ( '' != $q['tag'] && !$this->is_singular && md5(serialize( $this->query_vars ) ) != $this->query_vars_hash ) {
if ( '' != $q['tag'] && !$this->is_singular && $this->query_vars_changed ) {
if ( strpos($q['tag'], ',') !== false ) {
$tags = preg_split('/[,\s]+/', $q['tag']);
foreach ( (array) $tags as $tag ) {
@ -1811,8 +1824,6 @@ class WP_Query {
);
}
$this->query_vars_hash = md5(serialize( $this->query_vars ) );
$this->tax_query = new WP_Tax_Query( $tax_query );
}
@ -1882,8 +1893,17 @@ class WP_Query {
// Shorthand.
$q = &$this->query_vars;
// Fill again in case pre_get_posts unset some vars.
$q = $this->fill_query_vars($q);
// Set a flag if a pre_get_posts hook changed the query vars.
$hash = md5( serialize( $this->query_vars ) );
if ( $hash != $this->query_vars_hash ) {
$this->query_vars_changed = true;
$this->query_vars_hash = $hash;
}
unset($hash);
// First let's clear some variables
$distinct = '';
$whichauthor = '';
@ -2444,6 +2464,16 @@ class WP_Query {
$where .= ')';
}
// Parse the meta query again if query vars have changed.
if ( $this->query_vars_changed ) {
$meta_query_hash = md5( serialize( $q['meta_query'] ) );
$_meta_query = $q['meta_query'];
unset( $q['meta_query'] );
_parse_meta_query( $q );
if ( md5( serialize( $q['meta_query'] ) ) != $meta_query_hash && is_array( $_meta_query ) )
$q['meta_query'] = array_merge( $_meta_query, $q['meta_query'] );
}
if ( !empty( $q['meta_query'] ) ) {
$clauses = call_user_func_array( '_get_meta_sql', array( $q['meta_query'], 'post', $wpdb->posts, 'ID', &$this) );
$join .= $clauses['join'];