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Force the index only for 0 OR 1 queries. see #7415 

git-svn-id: https://develop.svn.wordpress.org/trunk@10446 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren 2009-01-26 22:34:50 +00:00
parent fa54320e2e
commit 5c33a003d8
1 changed files with 4 additions and 2 deletions
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4
wp-admin/includes/template.php
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@ -1921,6 +1921,7 @@ function _wp_get_comment_list( $status = '', $s = false, $start, $num, $post = 0
$num = (int) $num; $num = (int) $num;
$post = (int) $post; $post = (int) $post;
$count = wp_count_comments(); $count = wp_count_comments();
$index = '';
if ( 'moderated' == $status ) { if ( 'moderated' == $status ) {
$approved = "comment_approved = '0'"; $approved = "comment_approved = '0'";
@ -1934,6 +1935,7 @@ function _wp_get_comment_list( $status = '', $s = false, $start, $num, $post = 0
} else { } else {
$approved = "( comment_approved = '0' OR comment_approved = '1' )"; $approved = "( comment_approved = '0' OR comment_approved = '1' )";
$total = $count->moderated + $count->approved; $total = $count->moderated + $count->approved;
$index = 'USE INDEX (comment_date_gmt)';
} }
if ( $post ) { if ( $post ) {
@ -1971,7 +1973,7 @@ function _wp_get_comment_list( $status = '', $s = false, $start, $num, $post = 0
$approved $approved
$typesql"; $typesql";
} else { } else {
$query = "FROM $wpdb->comments USE INDEX (comment_date_gmt) WHERE $approved $post $typesql"; $query = "FROM $wpdb->comments $index WHERE $approved $post $typesql";
} }
$comments = $wpdb->get_results("SELECT * $query $orderby"); $comments = $wpdb->get_results("SELECT * $query $orderby");