ClickHouse/dbms/include/DB/Parsers/ParserAlterQuery.h

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