| 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 | |