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42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
#pragma once
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#include <DB/Interpreters/Cluster.h>
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#include <DB/Interpreters/ClusterProxy/PreSendHook.h>
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#include <DB/Parsers/IAST.h>
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#include <DB/Storages/IStorage.h>
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#include <DB/Client/ConnectionPool.h>
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namespace DB
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{
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struct Settings;
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class Context;
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class Cluster;
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class Throttler;
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namespace ClusterProxy
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{
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class IQueryConstructor
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{
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public:
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virtual ~IQueryConstructor() {}
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void setPreSendHook(PreSendHook & pre_send_hook_) { pre_send_hook = pre_send_hook_; }
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void setupBarrier(size_t count) { if (pre_send_hook) { pre_send_hook.setupBarrier(count); } }
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virtual BlockInputStreamPtr createLocal(ASTPtr query_ast, const Context & context, const Cluster::Address & address) = 0;
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virtual BlockInputStreamPtr createRemote(IConnectionPool * pool, const std::string & query,
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const Settings & settings, ThrottlerPtr throttler, const Context & context) = 0;
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virtual BlockInputStreamPtr createRemote(ConnectionPoolsPtr & pools, const std::string & query,
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const Settings & new_settings, ThrottlerPtr throttler, const Context & context) = 0;
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virtual bool isInclusive() const = 0;
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protected:
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PreSendHook pre_send_hook;
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};
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}
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}
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