staylor / WordPress

			// Prevent extra meta query.

			$qv['blog_id'] = $blog_id = 0;

			if ( empty( $this->meta_query->queries ) ) {

				$this->meta_query->queries = array( $who_query );

			} else {

				// Append the cap query to the original queries and reparse the query.

				$this->meta_query->queries = array(

					'relation' => 'AND',

					array( $this->meta_query->queries, $who_query ),

				);

			}

			$this->meta_query->parse_query_vars( $this->meta_query->queries );

		}

			// Specify that role queries should be joined with AND.

			$role_queries['relation'] = 'AND';

			if ( empty( $this->meta_query->queries ) ) {

				$this->meta_query->queries = $role_queries;

			} else {

				// Append the cap query to the original queries and reparse the query.

				$this->meta_query->queries = array(

					'relation' => 'AND',

					array( $this->meta_query->queries, $role_queries ),

				);

			}

			$this->meta_query->parse_query_vars( $this->meta_query->queries );

		}