1 | #pragma once |
2 | |
3 | #include <Parsers/IParserBase.h> |
4 | |
5 | |
6 | namespace DB |
7 | { |
8 | |
9 | |
10 | /** Cases: |
11 | * |
12 | * Normal case: |
13 | * INSERT INTO [db.]table (c1, c2, c3) VALUES (v11, v12, v13), (v21, v22, v23), ... |
14 | * INSERT INTO [db.]table VALUES (v11, v12, v13), (v21, v22, v23), ... |
15 | * |
16 | * Insert of data in an arbitrary format. |
17 | * The data itself comes after LF(line feed), if it exists, or after all the whitespace characters, otherwise. |
18 | * INSERT INTO [db.]table (c1, c2, c3) FORMAT format \n ... |
19 | * INSERT INTO [db.]table FORMAT format \n ... |
20 | * |
21 | * Insert the result of the SELECT query. |
22 | * INSERT INTO [db.]table (c1, c2, c3) SELECT ... |
23 | * INSERT INTO [db.]table SELECT ... |
24 | */ |
25 | class ParserInsertQuery : public IParserBase |
26 | { |
27 | private: |
28 | const char * end; |
29 | |
30 | const char * getName() const override { return "INSERT query" ; } |
31 | bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected) override; |
32 | public: |
33 | ParserInsertQuery(const char * end_) : end(end_) {} |
34 | }; |
35 | |
36 | } |
37 | |