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Massive get_comment_link() performance improvements for posts with a lot of comments. props Viper007Bond. fixes #7956

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git-svn-id: https://develop.svn.wordpress.org/trunk@9522 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Mark Jaquith
2008-11-05 07:09:20 +00:00
parent 3090404b64
commit ded4fe72b8
3 changed files with 15 additions and 22 deletions
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26
wp-includes/comment.php
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@@ -552,6 +552,8 @@ function get_comment_pages_count( $comments = null, $per_page = null, $threaded
* @return int|null Comment page number or null on error.
*/
function get_page_of_comment( $comment_ID, $per_page = null, $threaded = null ) {
global $wpdb;
if ( !$comment = get_comment( $comment_ID ) )
return;
@@ -568,25 +570,15 @@ function get_page_of_comment( $comment_ID, $per_page = null, $threaded = null )
if ( $threaded && 0 != $comment->comment_parent )
return get_page_of_comment( $comment->comment_parent, $per_page, $threaded );
$comments = get_comments( array( 'post_id' => $comment->comment_post_ID, 'order' => 'ASC' ) );
// Count comments older than this one
$oldercoms = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = 0 AND comment_date_gmt < '%s'", $comment->comment_post_ID, $comment->comment_date_gmt ) );
// Start going through the comments until we find what page number the above top level comment is on
$page = 1;
$comthispage = 0;
foreach ( $comments as $com ) {
if ( $threaded && 0 != $com->comment_parent )
continue;
// No older comments? Then it's page #1.
if ( 0 == $oldercoms )
return 1;
if ( $com->comment_ID == $comment->comment_ID )
return $page;
$comthispage++;
if ( $comthispage >= $per_page ) {
$page++;
$comthispage = 0;
}
}
// Divide comments older than this one by comments per page to get this comment's page number
return ceil( ( $oldercoms + 1 ) / $per_page );
}
/**