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Rewrite WP_User_Query to use JOIN instead of subquery. See #14572 

git-svn-id: https://develop.svn.wordpress.org/trunk@15579 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
scribu 2010-09-06 08:09:41 +00:00
parent 25677d588c
commit 7168dd09dd
2 changed files with 7 additions and 9 deletions
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7
wp-includes/functions.php
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@ -4244,10 +4244,9 @@ function _wp_search_sql($string, $cols) {
*
* @param array $queries An array of queries
* @param string $meta_id_column The column that holds the object id
* @param string $table Which meta table to look in
* @return string
*/
function _wp_meta_sql( $queries, $meta_id_column, $table ) {
function _wp_meta_sql( $queries, $meta_id_column ) {
global $wpdb;
$clauses = array();
@ -4278,9 +4277,7 @@ function _wp_meta_sql( $queries, $meta_id_column, $table ) {
return '';
return "
SELECT $meta_id_column
FROM $table
WHERE CASE meta_key
AND CASE meta_key
" . implode( "\n", $clauses ) . "
END
GROUP BY $meta_id_column

9
wp-includes/user.php
View File

@ -463,10 +463,11 @@ class WP_User_Query {
$meta_queries[] = wp_array_slice_assoc( $qv, array( 'meta_key', 'meta_value', 'meta_compare' ) );
$meta_query_sql = _wp_meta_sql( $meta_queries, 'user_id', $wpdb->usermeta );
$meta_query_sql = _wp_meta_sql( $meta_queries, 'user_id' );
if ( !empty( $meta_query_sql ) ) {
$this->query_where .= " AND $wpdb->users.ID IN ($meta_query_sql)";
$this->query_from .= " INNER JOIN $wpdb->usermeta ON ($wpdb->users.ID = $wpdb->usermeta.user_id)";
$this->query_where .= $meta_query_sql;
}
if ( !empty($qv['include']) ) {
@ -490,13 +491,13 @@ class WP_User_Query {
function query() {
global $wpdb;
$this->results = $wpdb->get_col("SELECT DISTINCT($wpdb->users.ID)" . $this->query_from . $this->query_where . $this->query_orderby . $this->query_limit);
$this->results = $wpdb->get_col("SELECT $wpdb->users.ID" . $this->query_from . $this->query_where . $this->query_orderby . $this->query_limit);
if ( !$this->results )
return;
if ( $this->query_vars['count_total'] )
$this->total_users = $wpdb->get_var("SELECT COUNT(DISTINCT($wpdb->users.ID))" . $this->query_from . $this->query_where);
$this->total_users = $wpdb->get_var("SELECT COUNT($wpdb->users.ID)" . $this->query_from . $this->query_where);
if ( 'all' == $this->query_vars['fields'] ) {
cache_users($this->results);