#pragma once #include #include 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] * [RESHARD PARTITION partition * TO '/path/to/zookeeper/table' [WEIGHT w], ... * USING expression * [COORDINATE WITH 'coordinator_id']] */ 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); }; }