ClickHouse/src/Interpreters/InterpreterUseQuery.cpp
2020-04-03 18:14:31 +03:00

20 lines
464 B
C++

#include <Parsers/ASTUseQuery.h>
#include <Interpreters/Context.h>
#include <Interpreters/InterpreterUseQuery.h>
#include <Access/AccessFlags.h>
#include <Common/typeid_cast.h>
namespace DB
{
BlockIO InterpreterUseQuery::execute()
{
const String & new_database = query_ptr->as<ASTUseQuery &>().database;
context.checkAccess(AccessType::SHOW_DATABASES, new_database);
context.getSessionContext().setCurrentDatabase(new_database);
return {};
}
}