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Source View: comment_feed_groupby

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Line Code
1390                     $cgroupby = "GROUP BY $wpdb->comments.comment_id";
1391                } else { // Other non singular e.g. front
1392                     $cjoin = "LEFT JOIN $wpdb->posts ON ( $wpdb->comments.comment_post_ID = $wpdb->posts.ID )";
1393                     $cwhere = "WHERE post_status = 'publish' AND comment_approved = '1'";
1394                     $cgroupby = '';
1395                }
1396
1397                $cjoin = apply_filters('comment_feed_join', $cjoin);
1398                $cwhere = apply_filters('comment_feed_where', $cwhere);
1399                $cgroupby = apply_filters('comment_feed_groupby', $cgroupby);
1400
1401                $this->comments = (array) $wpdb->get_results("SELECT $distinct $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby ORDER BY comment_date_gmt DESC LIMIT " . get_option('posts_per_rss'));
1402                $this->comment_count = count($this->comments);
1403
1404                $post_ids = array();
1405
1406                foreach ($this->comments as $comment)
1407                     $post_ids[] = (int) $comment->comment_post_ID;
1408