ClickHouse/dbms/include/DB/Interpreters/ClusterProxy/IQueryConstructor.h
Alexey Arno a3ea32b985 Merge
2016-01-21 19:30:05 +03:00

36 lines
907 B
C++

#pragma once
#include <DB/Interpreters/Cluster.h>
#include <DB/Parsers/IAST.h>
#include <DB/Storages/IStorage.h>
#include <DB/Client/ConnectionPool.h>
namespace DB
{
class Settings;
class Context;
class Cluster;
class IInterpreter;
class RemoteBlockInputStream;
class Throttler;
namespace ClusterProxy
{
class IQueryConstructor
{
public:
virtual ~IQueryConstructor() {}
virtual BlockInputStreamPtr createLocal(ASTPtr query_ast, const Context & context, const Cluster::Address & address) = 0;
virtual BlockInputStreamPtr createRemote(IConnectionPool * pool, const std::string & query,
const Settings & settings, ThrottlerPtr throttler, const Context & context) = 0;
virtual BlockInputStreamPtr createRemote(ConnectionPoolsPtr & pools, const std::string & query,
const Settings & new_settings, ThrottlerPtr throttler, const Context & context) = 0;
virtual bool isInclusive() const = 0;
};
}
}