_prime_comment_caches() WordPress Function

function _prime_comment_caches( $comment_ids, $update_meta_cache = true ) {
	global $wpdb;

	$non_cached_ids = _get_non_cached_ids( $comment_ids, 'comment' );
	if ( ! empty( $non_cached_ids ) ) {
		$fresh_comments = $wpdb->get_results( sprintf( "SELECT $wpdb->comments.* FROM $wpdb->comments WHERE comment_ID IN (%s)", implode( ',', array_map( 'intval', $non_cached_ids ) ) ) );

		update_comment_cache( $fresh_comments, $update_meta_cache );
	}
}
Uses	Description
wp-includes/functions.php:_get_non_cached_ids()	Retrieve IDs that are not already present in the cache.
wp-includes/wp-db.php:wpdb::get_results()	Retrieves an entire SQL result set from the database (i.e., many rows).
wp-includes/comment.php:update_comment_cache()	Updates the comment cache of given comments.
Used By	Description
wp-includes/class-wp-comment-query.php:WP_Comment_Query::fill_descendants()	Fetch descendants for located comments.
wp-includes/class-wp-comment-query.php:WP_Comment_Query::get_comments()	Get a list of comments matching the query vars.
wp-includes/class-wp-query.php:WP_Query::get_posts()	Retrieves an array of posts based on query variables.