1 | #pragma once |
2 | |
3 | #include <string> |
4 | |
5 | |
6 | namespace DB |
7 | { |
8 | |
9 | class IAST; |
10 | |
11 | /// Get the cluster name from AST. |
12 | /** The name of the cluster is the name of the tag in the xml configuration. |
13 | * Usually it is parsed as an identifier. That is, it can contain underscores, but can not contain hyphens, |
14 | * provided that the identifier is not in backquotes. |
15 | * But in xml, as a tag name, it's more common to use hyphens. |
16 | * This name will be parsed as an expression with an operator minus - not at all what you need. |
17 | * Therefore, consider this case separately. |
18 | */ |
19 | std::string getClusterName(const IAST & node); |
20 | |
21 | } |
22 | |