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In delete_metadata(), only invalidate cache for affected objects.

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The `$delete_all` flag in `delete_metadata()` triggers cache invalidation for
multiple objects. Previously, invalidation took place for all objects matching
the `$meta_key` parameter, regardless of whether `$meta_value` was also set.
This resulted in overly aggressive invalidation.

Props rahal.aboulfeth.
Fixes #35797.

git-svn-id: https://develop.svn.wordpress.org/trunk@36511 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Boone Gorges
2016-02-12 02:46:28 +00:00
parent e8ed3fcbf1
commit 0ae22e5f4c
2 changed files with 53 additions and 2 deletions
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45
tests/phpunit/tests/meta/deleteMetadata.php
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@@ -97,4 +97,49 @@ class Tests_Meta_DeleteMetadata extends WP_UnitTestCase {
$m = get_metadata( 'post', 12345, 'foo', false );
$this->assertEqualSets( array(), $m );
}
/**
* @ticket 35797
*/
public function test_delete_all_should_only_invalidate_cache_for_objects_matching_meta_value() {
$p1 = 1234;
$p2 = 5678;
add_metadata( 'post', $p1, 'foo', 'value1' );
add_metadata( 'post', $p2, 'foo', 'value2' );
// Prime caches.
update_meta_cache( 'post', array( $p1, $p2 ) );
$deleted = delete_metadata( 'post', 5, 'foo', 'value1', true );
$p1_cache = wp_cache_get( $p1, 'post_meta' );
$this->assertFalse( $p1_cache );
// Should not have been touched.
$p2_cache = wp_cache_get( $p2, 'post_meta' );
$this->assertNotEmpty( $p2_cache );
}
/**
* @ticket 35797
*/
public function test_delete_all_should_invalidate_cache_for_all_objects_with_meta_key_when_meta_value_is_not_provided() {
$p1 = 1234;
$p2 = 5678;
add_metadata( 'post', $p1, 'foo', 'value1' );
add_metadata( 'post', $p2, 'foo', 'value2' );
// Prime caches.
update_meta_cache( 'post', array( $p1, $p2 ) );
$deleted = delete_metadata( 'post', 5, 'foo', false, true );
$p1_cache = wp_cache_get( $p1, 'post_meta' );
$this->assertFalse( $p1_cache );
$p2_cache = wp_cache_get( $p2, 'post_meta' );
$this->assertFalse( $p2_cache );
}
}