WordPress at a glance
filter is not described

dbdelta_queries filter-hook . WP 3.3.0

Filters the dbDelta SQL queries.

Usage

add_filter( 'dbdelta_queries', 'filter_function_name_6293' );
function filter_function_name_6293( $queries ){
	// filter...

	return $queries;
}
$queries(array)
An array of dbDelta SQL queries.

Where the hook is called

dbDelta()
wp-admin/includes/upgrade.php 2248
$queries = apply_filters( 'dbdelta_queries', $queries );

Where the hook is used (in WP core)

Does not used.