Meta: Simplify the delete all meta query in delete_metadata().

Merge of [42913] to the 4.6 branch.

Built from https://develop.svn.wordpress.org/branches/4.6@42915


git-svn-id: http://core.svn.wordpress.org/branches/4.6@42745 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Dominik Schilling 2018-04-03 15:42:32 +00:00
parent 5a4e8a9b94
commit c1af867a7c

View File

@ -364,12 +364,11 @@ function delete_metadata($meta_type, $object_id, $meta_key, $meta_value = '', $d
return false;
if ( $delete_all ) {
$value_clause = '';
if ( '' !== $meta_value && null !== $meta_value && false !== $meta_value ) {
$value_clause = $wpdb->prepare( " AND meta_value = %s", $meta_value );
$object_ids = $wpdb->get_col( $wpdb->prepare( "SELECT $type_column FROM $table WHERE meta_key = %s AND meta_value = %s", $meta_key, $meta_value ) );
} else {
$object_ids = $wpdb->get_col( $wpdb->prepare( "SELECT $type_column FROM $table WHERE meta_key = %s", $meta_key ) );
}
$object_ids = $wpdb->get_col( $wpdb->prepare( "SELECT $type_column FROM $table WHERE meta_key = %s $value_clause", $meta_key ) );
}
/**