ClickHouse/dbms/src/Interpreters/InterpreterSetQuery.h
2019-04-26 19:11:05 +03:00

38 lines
745 B
C++

#pragma once
#include <Interpreters/IInterpreter.h>
#include <Parsers/IAST_fwd.h>
namespace DB
{
class Context;
class ASTSetQuery;
/** Change one or several settings for the session or just for the current context.
*/
class InterpreterSetQuery : public IInterpreter
{
public:
InterpreterSetQuery(const ASTPtr & query_ptr_, Context & context_)
: query_ptr(query_ptr_), context(context_) {}
/** Usual SET query. Set setting for the session.
*/
BlockIO execute() override;
/** Set setting for current context (query context).
* It is used for interpretation of SETTINGS clause in SELECT query.
*/
void executeForCurrentContext();
private:
ASTPtr query_ptr;
Context & context;
};
}