ClickHouse/dbms/Parsers/ParserInsertQuery.h

37 lines
958 B
C++
Raw Normal View History

2011-10-30 05:19:41 +00:00
#pragma once
#include <Parsers/IParserBase.h>
2011-10-30 05:19:41 +00:00
namespace DB
{
2017-05-27 17:29:55 +00:00
/** Cases:
2011-10-30 05:19:41 +00:00
*
2017-05-27 17:29:55 +00:00
* Normal case:
2012-12-11 20:32:08 +00:00
* INSERT INTO [db.]table (c1, c2, c3) VALUES (v11, v12, v13), (v21, v22, v23), ...
* INSERT INTO [db.]table VALUES (v11, v12, v13), (v21, v22, v23), ...
2011-10-30 05:19:41 +00:00
*
2017-05-27 17:29:55 +00:00
* Insert of data in an arbitrary format.
* The data itself comes after LF(line feed), if it exists, or after all the whitespace characters, otherwise.
2012-12-11 20:32:08 +00:00
* INSERT INTO [db.]table (c1, c2, c3) FORMAT format \n ...
* INSERT INTO [db.]table FORMAT format \n ...
2011-10-30 05:19:41 +00:00
*
2017-05-27 17:29:55 +00:00
* Insert the result of the SELECT query.
2012-12-11 20:32:08 +00:00
* INSERT INTO [db.]table (c1, c2, c3) SELECT ...
* INSERT INTO [db.]table SELECT ...
2011-10-30 05:19:41 +00:00
*/
class ParserInsertQuery : public IParserBase
{
private:
const char * end;
const char * getName() const override { return "INSERT query"; }
bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected) override;
public:
2019-08-03 11:02:40 +00:00
ParserInsertQuery(const char * end_) : end(end_) {}
2011-10-30 05:19:41 +00:00
};
}