ClickHouse/dbms/src/Interpreters/InterpreterAlterQuery.h
2019-03-11 17:01:45 +03:00

29 lines
499 B
C++

#pragma once
#include <Interpreters/IInterpreter.h>
#include <Parsers/IAST_fwd.h>
namespace DB
{
class Context;
/** Allows you add or remove a column in the table.
* It also allows you to manipulate the partitions of the MergeTree family tables.
*/
class InterpreterAlterQuery : public IInterpreter
{
public:
InterpreterAlterQuery(const ASTPtr & query_ptr_, const Context & context_);
BlockIO execute() override;
private:
ASTPtr query_ptr;
const Context & context;
};
}