ast.go
func (node *ShowFilter) Format(buf *TrackedBuffer) {
	if node.Like != "" {
		buf.Myprintf("like '%s'", node.Like)
	} else {
		buf.Myprintf("where %v", node.Filter)
	}
}
func (node *ShowFilter) Format(buf *TrackedBuffer) {
	if node.Like != "" {
		buf.Myprintf("like '%s'", node.Like)
	} else {
		buf.Myprintf("where %v", node.Filter)
	}
}
// Format formats the node.