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Key caches by blog ID for those doing the multi blog trick.

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git-svn-id: https://develop.svn.wordpress.org/trunk@4524 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren
2006-11-23 20:39:39 +00:00
parent 44cfe9ceda
commit f74d084276
4 changed files with 80 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files
wp-includes/functions.php
+27 -27
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@@ -106,10 +106,10 @@ function get_weekstartend($mysqlstring, $start_of_week) {
}
function get_lastpostdate($timezone = 'server') {
global $cache_lastpostdate, $pagenow, $wpdb;
global $cache_lastpostdate, $pagenow, $wpdb, $blog_id;
$add_seconds_blog = get_option('gmt_offset') * 3600;
$add_seconds_server = date('Z');
if ( !isset($cache_lastpostdate[$timezone]) ) {
if ( !isset($cache_lastpostdate[$blog_id][$timezone]) ) {
switch(strtolower($timezone)) {
case 'gmt':
$lastpostdate = $wpdb->get_var("SELECT post_date_gmt FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1");
@@ -121,18 +121,18 @@ function get_lastpostdate($timezone = 'server') {
$lastpostdate = $wpdb->get_var("SELECT DATE_ADD(post_date_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1");
break;
}
$cache_lastpostdate[$timezone] = $lastpostdate;
$cache_lastpostdate[$blog_id][$timezone] = $lastpostdate;
} else {
$lastpostdate = $cache_lastpostdate[$timezone];
$lastpostdate = $cache_lastpostdate[$blog_id][$timezone];
}
return $lastpostdate;
}
function get_lastpostmodified($timezone = 'server') {
global $cache_lastpostmodified, $pagenow, $wpdb;
global $cache_lastpostmodified, $pagenow, $wpdb, $blog_id;
$add_seconds_blog = get_option('gmt_offset') * 3600;
$add_seconds_server = date('Z');
if ( !isset($cache_lastpostmodified[$timezone]) ) {
if ( !isset($cache_lastpostmodified[$blog_id][$timezone]) ) {
switch(strtolower($timezone)) {
case 'gmt':
$lastpostmodified = $wpdb->get_var("SELECT post_modified_gmt FROM $wpdb->posts WHERE post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1");
@@ -148,9 +148,9 @@ function get_lastpostmodified($timezone = 'server') {
if ( $lastpostdate > $lastpostmodified ) {
$lastpostmodified = $lastpostdate;
}
$cache_lastpostmodified[$timezone] = $lastpostmodified;
$cache_lastpostmodified[$blog_id][$timezone] = $lastpostmodified;
} else {
$lastpostmodified = $cache_lastpostmodified[$timezone];
$lastpostmodified = $cache_lastpostmodified[$blog_id][$timezone];
}
return $lastpostmodified;
}
@@ -508,41 +508,41 @@ function is_new_day() {
}
function update_post_cache(&$posts) {
global $post_cache;
global $post_cache, $blog_id;
if ( !$posts )
return;
for ($i = 0; $i < count($posts); $i++) {
$post_cache[$posts[$i]->ID] = &$posts[$i];
$post_cache[$blog_id][$posts[$i]->ID] = &$posts[$i];
}
}
function clean_post_cache($id) {
global $post_cache;
global $post_cache, $blog_id;
if ( isset( $post_cache[$id] ) )
unset( $post_cache[$id] );
if ( isset( $post_cache[$blog_id][$id] ) )
unset( $post_cache[$blog_id][$id] );
}
function update_page_cache(&$pages) {
global $page_cache;
global $page_cache, $blog_id;
if ( !$pages )
return;
for ($i = 0; $i < count($pages); $i++) {
$page_cache[$pages[$i]->ID] = &$pages[$i];
$page_cache[$blog_id][$pages[$i]->ID] = &$pages[$i];
wp_cache_add($pages[$i]->ID, $pages[$i], 'pages');
}
}
function clean_page_cache($id) {
global $page_cache;
global $page_cache, $blog_id;
if ( isset( $page_cache[$id] ) )
unset( $page_cache[$id] );
if ( isset( $page_cache[$blog_id][$id] ) )
unset( $page_cache[$blog_id][$id] );
}
function update_post_category_cache($post_ids) {
@@ -578,7 +578,7 @@ function update_post_category_cache($post_ids) {
function update_post_caches(&$posts) {
global $post_cache, $category_cache, $post_meta_cache;
global $wpdb;
global $wpdb, $blog_id;
// No point in doing all this work if we didn't match any posts.
if ( !$posts )
@@ -587,7 +587,7 @@ function update_post_caches(&$posts) {
// Get the categories for all the posts
for ($i = 0; $i < count($posts); $i++) {
$post_id_array[] = $posts[$i]->ID;
$post_cache[$posts[$i]->ID] = &$posts[$i];
$post_cache[$blog_id][$posts[$i]->ID] = &$posts[$i];
}
$post_id_list = implode(',', $post_id_array);
@@ -598,7 +598,7 @@ function update_post_caches(&$posts) {
}
function update_postmeta_cache($post_id_list = '') {
global $wpdb, $post_meta_cache;
global $wpdb, $post_meta_cache, $blog_id;
// We should validate this comma-separated list for the upcoming SQL query
$post_id_list = preg_replace('|[^0-9,]|', '', $post_id_list);
@@ -626,7 +626,7 @@ function update_postmeta_cache($post_id_list = '') {
if ( $meta_list = $wpdb->get_results("SELECT post_id, meta_key, meta_value FROM $wpdb->postmeta WHERE post_id IN($post_id_list) ORDER BY post_id, meta_key", ARRAY_A) ) {
// Change from flat structure to hierarchical:
if ( !isset($post_meta_cache) )
$post_meta_cache = array();
$post_meta_cache[$blog_id] = array();
foreach ($meta_list as $metarow) {
$mpid = (int) $metarow['post_id'];
@@ -634,13 +634,13 @@ function update_postmeta_cache($post_id_list = '') {
$mval = $metarow['meta_value'];
// Force subkeys to be array type:
if ( !isset($post_meta_cache[$mpid]) || !is_array($post_meta_cache[$mpid]) )
$post_meta_cache[$mpid] = array();
if ( !isset($post_meta_cache[$mpid]["$mkey"]) || !is_array($post_meta_cache[$mpid]["$mkey"]) )
$post_meta_cache[$mpid]["$mkey"] = array();
if ( !isset($post_meta_cache[$blog_id][$mpid]) || !is_array($post_meta_cache[$blog_id][$mpid]) )
$post_meta_cache[$blog_id][$mpid] = array();
if ( !isset($post_meta_cache[$blog_id][$mpid]["$mkey"]) || !is_array($post_meta_cache[$blog_id][$mpid]["$mkey"]) )
$post_meta_cache[$blog_id][$mpid]["$mkey"] = array();
// Add a value to the current pid/key:
$post_meta_cache[$mpid][$mkey][] = $mval;
$post_meta_cache[$blog_id][$mpid][$mkey][] = $mval;
}
}
}