1 | #pragma once |
---|---|
2 | |
3 | #include <Interpreters/IInterpreter.h> |
4 | #include <Parsers/IAST_fwd.h> |
5 | |
6 | |
7 | namespace DB |
8 | { |
9 | |
10 | class Context; |
11 | |
12 | /** Allows you add or remove a column in the table. |
13 | * It also allows you to manipulate the partitions of the MergeTree family tables. |
14 | */ |
15 | class InterpreterAlterQuery : public IInterpreter |
16 | { |
17 | public: |
18 | InterpreterAlterQuery(const ASTPtr & query_ptr_, const Context & context_); |
19 | |
20 | BlockIO execute() override; |
21 | |
22 | private: |
23 | ASTPtr query_ptr; |
24 | |
25 | const Context & context; |
26 | }; |
27 | |
28 | } |
29 |