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Clear post_meta cache upon change. Props nbachiyski. fixes #5718 

git-svn-id: http://svn.automattic.com/wordpress/trunk@6654 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2008-01-25 01:55:21 +00:00
parent 3c0db5ec37
commit e5c94063b0
1 changed files with 3 additions and 8 deletions
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11
wp-includes/post.php
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@ -485,17 +485,12 @@ function add_post_meta($post_id, $meta_key, $meta_value, $unique = false) {
if ( $unique && $wpdb->get_var( $wpdb->prepare( "SELECT meta_key FROM $wpdb->postmeta WHERE meta_key = %s AND post_id = %d", $meta_key, $post_id ) ) )
return false;
$cache = wp_cache_get($post_id, 'post_meta');
if ( ! is_array($cache) )
$cache = array();
// expected_slashed ($meta_key)
$cache[$wpdb->escape($meta_key)][] = $meta_value;
wp_cache_set($post_id, $cache, 'post_meta');
$meta_value = maybe_serialize($meta_value);
$wpdb->insert( $wpdb->postmeta, compact( 'post_id', 'meta_key', 'meta_value' ) );
wp_delete_cache($post_id, 'post_meta');
return true;
}