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filter is not described

found_comments_query filter-hook . WP 4.4.0

Filters the query used to retrieve found comment count.

Usage

add_filter( 'found_comments_query', 'filter_function_name_3774', 10, 2 );
function filter_function_name_3774( $found_comments_query, $comment_query ){
	// filter...

	return $found_comments_query;
}
$found_comments_query(string)
SQL query.
Default: 'SELECT FOUND_ROWS()'
$comment_query(WP_Comment_Query)
The WP_Comment_Query instance.

Where the hook is called

WP_Comment_Query::set_found_comments()
wp-includes/class-wp-comment-query.php 919
$found_comments_query = apply_filters( 'found_comments_query', 'SELECT FOUND_ROWS()', $this );

Where the hook is used (in WP core)

Does not used.