WordPress at a glance
filter is not described

woocommerce_report_recent_reviews_query_from filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_report_recent_reviews_query_from', 'filter_function_name_5273' );
function filter_function_name_5273( $string ){
	// filter...

	return $string;
}
$string
-

Where the hook is called

WC_Admin_Dashboard::recent_reviews()
woocommerce_report_recent_reviews_query_from
woocommerce/includes/admin/class-wc-admin-dashboard.php 307-318
$query_from = apply_filters(
	'woocommerce_report_recent_reviews_query_from',
	"FROM {$wpdb->comments} comments
	LEFT JOIN {$wpdb->posts} posts ON (comments.comment_post_ID = posts.ID)
	WHERE comments.comment_approved = '1'
	AND comments.comment_type = 'review'
	AND posts.post_password = ''
	AND posts.post_type = 'product'
	AND comments.comment_parent = 0
	ORDER BY comments.comment_date_gmt DESC
	LIMIT 5"
);

Where in WP core the hook is used WooCommerce

Usage not found.