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Comment caching. Reduce queries on edit-comments.php page. Add non-persistent cache groups. Hat tip to hovenko. fixes #4387

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git-svn-id: https://develop.svn.wordpress.org/trunk@5666 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren
2007-06-08 00:20:22 +00:00
parent 39d09a1675
commit 163f22deb5
5 changed files with 47 additions and 15 deletions
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49
wp-includes/comment.php
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@@ -71,7 +71,7 @@ function get_approved_comments($post_id) {
// Retrieves comment data given a comment ID or comment object.
// Handles comment caching.
function &get_comment(&$comment, $output = OBJECT) {
global $comment_cache, $wpdb;
global $wpdb;
if ( empty($comment) ) {
if ( isset($GLOBALS['comment']) )
@@ -79,21 +79,20 @@ function &get_comment(&$comment, $output = OBJECT) {
else
$_comment = null;
} elseif ( is_object($comment) ) {
if ( !isset($comment_cache[$comment->comment_ID]) )
$comment_cache[$comment->comment_ID] = &$comment;
$_comment = & $comment_cache[$comment->comment_ID];
wp_cache_add($comment->comment_ID, $comment, 'comment');
$_comment = $comment;
} else {
$comment = (int) $comment;
if ( isset($GLOBALS['comment']) && ($GLOBALS['comment']->comment_ID == $comment) ) {
$_comment = & $GLOBALS['comment'];
} elseif ( !isset($comment_cache[$comment]) ) {
} elseif ( ! $_comment = wp_cache_get($comment, 'comment') ) {
$_comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment' LIMIT 1");
$comment_cache[$comment->comment_ID] = & $_comment;
} else {
$_comment = & $comment_cache[$comment];
wp_cache_add($_comment->comment_ID, $_comment, 'comment');
}
}
$_comment = apply_filters('get_comment', $_comment);
if ( $output == OBJECT ) {
return $_comment;
} elseif ( $output == ARRAY_A ) {
@@ -285,6 +284,8 @@ function wp_delete_comment($comment_id) {
if ( $post_id && $comment->comment_approved == 1 )
wp_update_comment_count($post_id);
clean_comment_cache($comment_id);
do_action('wp_set_comment_status', $comment_id, 'delete');
return true;
}
@@ -293,15 +294,19 @@ function wp_delete_comment($comment_id) {
function wp_get_comment_status($comment_id) {
global $wpdb;
$result = $wpdb->get_var("SELECT comment_approved FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1");
$comment = get_comment($comment_id);
if ( !$comment )
return false;
if ( $result == NULL )
$approved = $comment->comment_approved;
if ( $approved == NULL )
return 'deleted';
elseif ( $result == '1' )
elseif ( $approved == '1' )
return 'approved';
elseif ( $result == '0' )
elseif ( $approved == '0' )
return 'unapproved';
elseif ( $result == 'spam' )
elseif ( $approved == 'spam' )
return 'spam';
else
return false;
@@ -438,9 +443,12 @@ function wp_set_comment_status($comment_id, $comment_status) {
if ( !$wpdb->query($query) )
return false;
clean_comment_cache($comment_id);
do_action('wp_set_comment_status', $comment_id, $comment_status);
$comment = get_comment($comment_id);
wp_update_comment_count($comment->comment_post_ID);
return true;
}
@@ -479,6 +487,8 @@ function wp_update_comment($commentarr) {
WHERE comment_ID = $comment_ID" );
$rval = $wpdb->rows_affected;
clean_comment_cache($comment_ID);
wp_update_comment_count($comment_post_ID);
do_action('edit_comment', $comment_ID);
return $rval;
@@ -793,4 +803,17 @@ function weblog_ping($server = '', $path = '') {
$client->query('weblogUpdates.ping', get_option('blogname'), $home);
}
//
// Cache
//
function clean_comment_cache($id) {
wp_cache_delete($id, 'comment');
}
function update_comment_cache($comments) {
foreach ( $comments as $comment )
wp_cache_add($comment->comment_ID, $comment, 'comment');
}
?>