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In `WP_Meta_Query`, interpret 'value' correctly when used with EXISTS/NOT EXISTS. 

As in earlier versions, EXISTS with a value is equivalent to '=', while NOT
EXISTS should always ignore 'value'.

Props barrykooij.
Fixes #30681 for trunk.

git-svn-id: https://develop.svn.wordpress.org/trunk@30846 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Boone Gorges 2014-12-14 19:00:31 +00:00
parent 91ac188a12
commit 093de0f0be
2 changed files with 76 additions and 0 deletions
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11
src/wp-includes/meta.php
View File

@ -1419,6 +1419,17 @@ class WP_Meta_Query {
$where = $wpdb->prepare( '%s', $meta_value );
break;
// EXISTS with a value is interpreted as '='.
case 'EXISTS' :
$meta_compare = '=';
$where = $wpdb->prepare( '%s', $meta_value );
break;
// 'value' is ignored for NOT EXISTS.
case 'NOT EXISTS' :
$where = '';
break;
default :
$where = $wpdb->prepare( '%s', $meta_value );
break;

65
tests/phpunit/tests/post/query.php
View File

@ -537,6 +537,71 @@ class Tests_Post_Query extends WP_UnitTestCase {
$this->assertEqualSets( $expected, $query->posts );
}
/**
* @ticket 30681
*/
public function test_meta_query_compare_exists() {
$posts = $this->factory->post->create_many( 3 );
add_post_meta( $posts[0], 'foo', 'bar' );
add_post_meta( $posts[2], 'foo', 'baz' );
$query = new WP_Query( array(
'fields' => 'ids',
'meta_query' => array(
array(
'compare' => 'EXISTS',
'key' => 'foo',
),
),
) );
$this->assertEqualSets( array( $posts[0], $posts[2] ), $query->posts );
}
/**
* @ticket 30681
*/
public function test_meta_query_compare_exists_with_value_should_convert_to_equals() {
$posts = $this->factory->post->create_many( 3 );
add_post_meta( $posts[0], 'foo', 'bar' );
add_post_meta( $posts[2], 'foo', 'baz' );
$query = new WP_Query( array(
'fields' => 'ids',
'meta_query' => array(
array(
'compare' => 'EXISTS',
'value' => 'baz',
'key' => 'foo',
),
),
) );
$this->assertEqualSets( array( $posts[2] ), $query->posts );
}
/**
* @ticket 30681
*/
public function test_meta_query_compare_not_exists_should_ignore_value() {
$posts = $this->factory->post->create_many( 3 );
add_post_meta( $posts[0], 'foo', 'bar' );
add_post_meta( $posts[2], 'foo', 'baz' );
$query = new WP_Query( array(
'fields' => 'ids',
'meta_query' => array(
array(
'compare' => 'NOT EXISTS',
'value' => 'bar',
'key' => 'foo',
),
),
) );
$this->assertEqualSets( array( $posts[1] ), $query->posts );
}
/**
* @ticket 18158
* @group meta