#pragma once #include namespace DB { class IAST; /// Get the cluster name from AST. /** The name of the cluster is the name of the tag in the xml configuration. * Usually it is parsed as an identifier. That is, it can contain underscores, but can not contain hyphens, * provided that the identifier is not in backquotes. * But in xml, as a tag name, it's more common to use hyphens. * This name will be parsed as an expression with an operator minus - not at all what you need. * Therefore, consider this case separately. */ std::string getClusterName(const IAST & node); }