ClickHouse/dbms/include/DB/Parsers/ParserAlterQuery.h
2015-04-11 06:10:23 +03:00

25 lines
663 B
C++

#pragma once
#include <DB/Parsers/IParserBase.h>
#include <DB/Parsers/ExpressionElementParsers.h>
namespace DB
{
/** Запрос типа такого:
* ALTER TABLE [db.]name
* [ADD COLUMN col_name type [AFTER col_after],]
* [DROP COLUMN col_drop, ...]
* [MODIFY COLUMN col_modify type, ...]
* [DROP|DETACH|ATTACH [UNREPLICATED] PARTITION|PART partition, ...]
* [FETCH PARTITION partition FROM ...]
* [FREEZE PARTITION]
*/
class ParserAlterQuery : public IParserBase
{
protected:
const char * getName() const { return "ALTER query"; }
bool parseImpl(Pos & pos, Pos end, ASTPtr & node, Pos & max_parsed_pos, Expected & expected);
};
}