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Invalidate term query caches when setting or deleting term relationships. 

Prior to 4.7, term relationships - as set by `wp_set_object_terms()` or
`wp_remove_object_terms()` - did not affect the term query cache. The
introduction of the 'object_ids' parameter in 4.7 means that the query
cache must be aware of object-term relationships. As such, the
'last_changed' incrementor is now invalidated when term relationships
are modified.

This bug only reared its head when delaying term counting, because term
counting performs its own term query cache invalidation.

Props mboynes.
Fixes #40306.
Built from https://develop.svn.wordpress.org/trunk@40353


git-svn-id: http://core.svn.wordpress.org/trunk@40260 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Boone Gorges 2017-03-30 16:51:47 +00:00
parent 3d4f2f2fea
commit 7102240efe
2 changed files with 3 additions and 1 deletions
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2
wp-includes/taxonomy.php
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@ -2282,6 +2282,7 @@ function wp_set_object_terms( $object_id, $terms, $taxonomy, $append = false ) {
}
wp_cache_delete( $object_id, $taxonomy . '_relationships' );
wp_cache_delete( 'last_changed', 'terms' );
/**
* Fires after an object's terms have been set.
@ -2376,6 +2377,7 @@ function wp_remove_object_terms( $object_id, $terms, $taxonomy ) {
$deleted = $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id IN ($in_tt_ids)", $object_id ) );
wp_cache_delete( $object_id, $taxonomy . '_relationships' );
wp_cache_delete( 'last_changed', 'terms' );
/**
* Fires immediately after an object-term relationship is deleted.

2
wp-includes/version.php
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@ -4,7 +4,7 @@
*
* @global string $wp_version
*/
$wp_version = '4.8-alpha-40352';
$wp_version = '4.8-alpha-40353';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.