ClickHouse/dbms/src/Interpreters/InterpreterUseQuery.h

31 lines
482 B
C++
Raw Normal View History

2012-07-12 19:49:22 +00:00
#pragma once
#include <Interpreters/IInterpreter.h>
2012-07-12 19:49:22 +00:00
namespace DB
{
2016-12-12 07:24:56 +00:00
class Context;
class IAST;
using ASTPtr = std::shared_ptr<IAST>;
2016-12-12 07:24:56 +00:00
2012-07-12 19:49:22 +00:00
/** Выбрать БД по-умолчанию для сессии.
*/
2015-06-18 02:11:05 +00:00
class InterpreterUseQuery : public IInterpreter
2012-07-12 19:49:22 +00:00
{
public:
InterpreterUseQuery(ASTPtr query_ptr_, Context & context_)
: query_ptr(query_ptr_), context(context_) {}
2012-07-12 19:49:22 +00:00
BlockIO execute() override;
2012-07-12 19:49:22 +00:00
private:
ASTPtr query_ptr;
Context & context;
2012-07-12 19:49:22 +00:00
};
}