1 | #pragma once |
2 | |
3 | #include <Parsers/IAST.h> |
4 | #include <Parsers/ASTExpressionList.h> |
5 | |
6 | namespace DB |
7 | { |
8 | |
9 | /// AST for single dictionary attribute in dictionary DDL query |
10 | class ASTDictionaryAttributeDeclaration : public IAST |
11 | { |
12 | public: |
13 | /// Attribute name |
14 | String name; |
15 | /// Attribute type |
16 | ASTPtr type; |
17 | /// Attribute default value |
18 | ASTPtr default_value; |
19 | /// Attribute expression |
20 | ASTPtr expression; |
21 | /// Is atribute mirrored to the parent identifier |
22 | bool hierarchical; |
23 | /// Flag that shows whether the id->attribute image is injective |
24 | bool injective; |
25 | /// MongoDB object ID |
26 | bool is_object_id; |
27 | |
28 | String getID(char delim) const override { return "DictionaryAttributeDeclaration" + (delim + name); } |
29 | |
30 | ASTPtr clone() const override; |
31 | void formatImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const override; |
32 | }; |
33 | |
34 | } |
35 | |