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Abstract object term cache a bit more. see #4189 

git-svn-id: http://svn.automattic.com/wordpress/trunk@5616 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2007-05-31 21:38:33 +00:00
parent 71a095d0ee
commit fbe9b4d76e
3 changed files with 80 additions and 53 deletions
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4
wp-includes/category-template.php
View File

@ -66,7 +66,7 @@ function get_the_category($id = false) {
if ( !$id )
$id = (int) $post->ID;
$categories = get_post_term_cache($id, 'category');
$categories = get_object_term_cache($id, 'category');
if ( false === $categories )
$categories = get_object_terms($id, 'category');
@ -418,7 +418,7 @@ function get_the_tags( $id = 0 ) {
if ( !$id )
$id = (int) $post->ID;
$tags = get_post_term_cache($id, 'post_tag');
$tags = get_object_term_cache($id, 'post_tag');
if ( false === $tags )
$tags = get_object_terms($id, 'post_tag');

52
wp-includes/post.php
View File

@ -1664,8 +1664,7 @@ function clean_post_cache($id) {
if ( isset ($post_meta_cache[$blog_id][$id] ) )
unset( $post_meta_cache[$blog_id][$id] );
if ( isset( $post_term_cache[$blog_id][$id]) )
unset ( $post_term_cache[$blog_id][$id] );
clean_object_term_cache($id, 'post');
}
function update_page_cache(&$pages) {
@ -1691,53 +1690,6 @@ function clean_page_cache($id) {
wp_cache_delete( 'get_pages', 'page' );
}
function &get_post_term_cache($id, $taxonomy) {
global $post_term_cache, $blog_id;
if ( isset($post_term_cache[$blog_id][$id][$taxonomy]) )
return $post_term_cache[$blog_id][$id][$taxonomy];
return false;
}
// TODO abstract this to work for any object.
function update_post_term_cache($post_ids) {
global $wpdb, $post_term_cache, $blog_id;
if ( empty($post_ids) )
return;
if ( is_array($post_ids) )
$post_id_list = implode(',', $post_ids);
$post_id_array = (array) explode(',', $post_ids);
$count = count( $post_id_array);
for ( $i = 0; $i < $count; $i++ ) {
$post_id = (int) $post_id_array[ $i ];
if ( isset( $post_term_cache[$blog_id][$post_id] ) ) {
unset( $post_id_array[ $i ] );
continue;
}
}
if ( count( $post_id_array ) == 0 )
return;
$terms = get_object_terms($post_id_array, array('category', 'post_tag'), 'fields=all_with_object_id');
if ( empty($terms) )
return;
foreach ( $terms as $term )
$post_term_cache[$blog_id][$term->object_id][$term->taxonomy][$term->term_id] = $term;
foreach ( $post_id_array as $id ) {
if ( ! isset($post_term_cache[$blog_id][$id]) ) {
$post_term_cache[$blog_id][$id]['category'] = array();
$post_term_cache[$blog_id][$id]['post_tag'] = array();
}
}
}
function update_post_caches(&$posts) {
global $post_cache;
global $wpdb, $blog_id;
@ -1754,7 +1706,7 @@ function update_post_caches(&$posts) {
$post_id_list = implode(',', $post_id_array);
update_post_term_cache($post_id_list);
update_object_term_cache($post_id_list, 'post');
update_postmeta_cache($post_id_list);
}

77
wp-includes/taxonomy.php
View File

@ -399,6 +399,18 @@ function get_objects_in_term( $terms, $taxonomies, $args = array() ) {
return $object_ids;
}
function get_object_taxonomies($object_type) {
global $wp_taxonomies;
$taxonomies = array();
foreach ( $wp_taxonomies as $taxonomy ) {
if ( $object_type == $taxonomy->object_type )
$taxonomies[] = $taxonomy->name;
}
return $taxonomies;
}
/**
* Returns the terms associated with the given object(s), in the supplied taxonomies.
* @param int|array $object_id The id of the object(s)) to retrieve for.
@ -407,7 +419,7 @@ function get_objects_in_term( $terms, $taxonomies, $args = array() ) {
*/
function get_object_terms($object_ids, $taxonomies, $args = array()) {
global $wpdb;
error_log("Objects: " . var_export($object_ids, true), 0);
if ( !is_array($taxonomies) )
$taxonomies = array($taxonomies);
@ -715,6 +727,69 @@ function clean_term_cache($ids, $taxonomy) {
wp_cache_delete('get_terms', 'terms');
}
function clean_object_term_cache($object_ids, $object_type) {
global $object_term_cache, $blog_id;
if ( !is_array($ids) )
$ids = array($ids);
$taxonomies = get_object_taxonomies($object_type);
foreach ( $ids as $id ) {
foreach ( $taxonomies as $taxonomy ) {
if ( isset($object_term_cache[$blog_id][$id][$taxonomy]) )
unset($object_term_cache[$blog_id][$id][$taxonomy]);
}
}
}
function &get_object_term_cache($id, $taxonomy) {
global $object_term_cache, $blog_id;
if ( isset($object_term_cache[$blog_id][$id][$taxonomy]) )
return $object_term_cache[$blog_id][$id][$taxonomy];
if ( isset($object_term_cache[$blog_id][$id]) )
return array();
return false;
}
function update_object_term_cache($object_ids, $object_type) {
global $wpdb, $object_term_cache, $blog_id;
if ( empty($object_ids) )
return;
if ( !is_array($object_ids) )
$object_ids = explode(',', $object_ids);
$count = count( $object_ids);
for ( $i = 0; $i < $count; $i++ ) {
$object_id = (int) $object_ids[ $i ];
if ( isset( $object_term_cache[$blog_id][$object_id] ) ) {
unset( $object_ids[ $i ] );
continue;
}
}
if ( count( $object_ids ) == 0 )
return;
$terms = get_object_terms($object_ids, get_object_taxonomies($object_type), 'fields=all_with_object_id');
if ( empty($terms) )
return;
foreach ( $terms as $term )
$object_term_cache[$blog_id][$term->object_id][$term->taxonomy][$term->term_id] = $term;
foreach ( $object_ids as $id ) {
if ( ! isset($object_term_cache[$blog_id][$id]) )
$object_term_cache[$blog_id][$id] = array();
}
}
function _get_term_hierarchy($taxonomy) {
// TODO Make sure taxonomy is hierarchical
$children = get_option("{$taxonomy}_children");