vhad/wordpress-develop
1
0
Fork 0
mirror of https://github.com/gosticks/wordpress-develop.git synced 2026-08-11 20:30:23 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Cacheing cleanup. Introduce get_post() and get_category(). http://mosquito.wordpress.org/view.php?id=1157

Browse Source 
git-svn-id: https://develop.svn.wordpress.org/trunk@2478 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren
2005-03-27 20:45:01 +00:00
parent 8480784cda
commit 8dec99fddb
7 changed files with 162 additions and 142 deletions
Download Patch File Download Diff File Expand all files Collapse all files
wp-includes/functions.php
+106 -42
View File
@@ -538,16 +538,67 @@ function get_postdata($postid) {
return $postdata;
}
function get_catname($cat_ID) {
global $cache_catnames, $wpdb;
if ( !$cache_catnames ) {
$results = $wpdb->get_results("SELECT * FROM $wpdb->categories") or die('Oops, couldn\'t query the db for categories.');
foreach ($results as $post) {
$cache_catnames[$post->cat_ID] = $post->cat_name;
// Retrieves post data given a post ID or post object.
// Handles post caching.
function &get_post(&$post, $output = OBJECT) {
global $post_cache, $wpdb;
if ( empty($post) ) {
if ( isset($GLOBALS['post']) )
$post = & $GLOBALS['post'];
else
$post = null;
} elseif (is_object($post) ) {
if (! isset($post_cache[$post->ID]))
$post_cache[$post->ID] = &$post;
$post = & $post_cache[$post->ID];
} else {
if ( isset($GLOBALS['post']) && ($post == $GLOBALS['post']->ID) )
$post = & $GLOBALS['post'];
elseif (isset($post_cache[$post]))
$post = & $post_cache[$post];
else {
$query = "SELECT * FROM $wpdb->posts WHERE ID=$post";
$post_cache[$post] = & $wpdb->get_row($query);
$post = & $post_cache[$post];
}
}
$cat_name = $cache_catnames[$cat_ID];
return $cat_name;
if ( $output == OBJECT ) {
return $post;
} elseif ( $output == ARRAY_A ) {
return get_object_vars($post);
} elseif ( $output == ARRAY_N ) {
return array_values(get_object_vars($post));
} else {
return $post;
}
}
// Retrieves category data given a category ID or category object.
// The category cache is fully populated by the blog header, so we don't
// have to worry with managing it here.
function &get_category(&$category, $output = OBJECT) {
global $cache_categories;
if (is_object($category))
$category = & $cache_categories[$category->cat_ID];
else
$category = & $cache_categories[$category];
if ( $output == OBJECT ) {
return $category;
} elseif ( $output == ARRAY_A ) {
return get_object_vars($category);
} elseif ( $output == ARRAY_N ) {
return array_values(get_object_vars($category));
} else {
return $category;
}
}
function get_catname($cat_ID) {
$category = &get_category($cat_ID);
return $category->cat_name;
}
function gzip_compression() {
@@ -995,30 +1046,16 @@ function remove_action($tag, $function_to_remove, $priority = 10, $accepted_args
}
function get_page_uri($page_id) {
global $wpdb, $cache_pages;
$dates = ",UNIX_TIMESTAMP(post_modified) AS time_modified";
$dates .= ",UNIX_TIMESTAMP(post_date) AS time_created";
if (!isset($cache_pages[$page_id])) {
$cache_pages[$page_id] = $wpdb->get_row("SELECT ID, post_title, post_name, post_parent $dates FROM $wpdb->posts WHERE ID = '$page_id'");
}
$page = $cache_pages[$page_id];
$page = get_post($page_id);
$uri = urldecode($page->post_name);
// A page cannot be it's own parent.
if ($page->post_parent == $page->ID) {
return $uri;
}
while ($page->post_parent != 0) {
if (isset($cache_pages[$page->post_parent])) {
$page = $cache_pages[$page->post_parent];
} else {
$page = $wpdb->get_row("SELECT ID, post_title, post_name, post_parent $dates FROM $wpdb->posts WHERE ID = '$page->post_parent'");
$cache_pages[$page->ID] = $page;
}
$page = get_post($page->post_parent);
$uri = urldecode($page->post_name) . "/" . $uri;
}
@@ -1049,13 +1086,44 @@ function get_posts($args) {
return $posts;
}
function query_posts($query) {
function &query_posts($query) {
global $wp_query;
return $wp_query->query($query);
}
function update_post_caches($posts) {
global $category_cache, $comment_count_cache, $post_meta_cache;
function update_post_cache(&$posts) {
global $post_cache;
if ( !$posts )
return;
for ($i = 0; $i < count($posts); $i++) {
$post_cache[$posts[$i]->ID] = &$posts[$i];
}
}
function update_post_category_cache($post_ids) {
global $wpdb, $category_cache, $cache_categories;
if (empty($post_ids))
return;
if (is_array($post_ids))
$post_ids = implode(',', $post_ids);
$dogs = $wpdb->get_results("SELECT DISTINCT
post_id, category_id FROM $wpdb->categories, $wpdb->post2cat
WHERE category_id = cat_ID AND post_id IN ($post_ids)");
if ( !empty($dogs) ) {
foreach ($dogs as $catt) {
$category_cache[$catt->post_id][$catt->category_id] = &$cache_categories[$catt->category_id];
}
}
}
function update_post_caches(&$posts) {
global $post_cache, $category_cache, $comment_count_cache, $post_meta_cache;
global $wpdb;
// No point in doing all this work if we didn't match any posts.
@@ -1063,21 +1131,15 @@ function update_post_caches($posts) {
return;
// Get the categories for all the posts
foreach ($posts as $post)
$post_id_list[] = $post->ID;
$post_id_list = implode(',', $post_id_list);
$dogs = $wpdb->get_results("SELECT DISTINCT
post_id, category_id, cat_name, category_nicename, category_description, category_parent
FROM $wpdb->categories, $wpdb->post2cat
WHERE category_id = cat_ID AND post_id IN ($post_id_list)");
if ( !empty($dogs) ) {
foreach ($dogs as $catt) {
$category_cache[$catt->post_id][$catt->category_id] = $catt;
}
for ($i = 0; $i < count($posts); $i++) {
$post_id_list[] = $posts[$i]->ID;
$post_cache[$posts[$i]->ID] = &$posts[$i];
}
$post_id_list = implode(',', $post_id_list);
update_post_category_cache($post_id_list);
// Do the same for comment numbers
$comment_counts = $wpdb->get_results("SELECT ID, COUNT( comment_ID ) AS ccount
FROM $wpdb->posts
@@ -1114,8 +1176,10 @@ function update_post_caches($posts) {
function update_category_cache() {
global $cache_categories, $wpdb;
$dogs = $wpdb->get_results("SELECT * FROM $wpdb->categories");
foreach ($dogs as $catt)
foreach ($dogs as $catt) {
$catt->category_id = $catt->cat_ID; // Alias.
$cache_categories[$catt->cat_ID] = $catt;
}
}
function update_user_cache() {