posts_clauses_request filter-hook . WP 3.1.0

Filters all query clauses at once, for convenience.

For use by caching plugins.

Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT, fields (SELECT), and LIMITS clauses.

Usage

add_filter( 'posts_clauses_request', 'filter_function_name_3015', 10, 2 );
function filter_function_name_3015( $pieces, $this ){
	// filter...

	return $pieces;
}

$pieces(array)

The pieces of the query.

$this(WP_Query)

The WP_Query instance (passed by reference).

Where the hook is called

$clauses = (array) apply_filters_ref_array( 'posts_clauses_request', array( compact( $pieces ), &$this ) );

Where the hook is used (in WP core)