posts_fields_request filter-hook . WP 2.5.0

Filters the SELECT clause of the query.

For use by caching plugins.

Usage

add_filter( 'posts_fields_request', 'filter_function_name_7190', 10, 2 );
function filter_function_name_7190( $fields, $this ){
	// filter...

	return $fields;
}

$fields(string)

The SELECT clause of the query.

$this(WP_Query)

The WP_Query instance (passed by reference).

Where the hook is called

$fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) );

Where the hook is used (in WP core)