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52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#pragma once
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#include "config.h"
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#if USE_HDFS
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#include <memory>
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#include <optional>
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#include <Client/Connection.h>
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#include <Interpreters/Cluster.h>
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#include <Storages/IStorageCluster.h>
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#include <Storages/HDFS/StorageHDFS.h>
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namespace DB
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{
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class Context;
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class StorageHDFSCluster : public IStorageCluster
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{
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public:
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StorageHDFSCluster(
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ContextPtr context_,
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const String & cluster_name_,
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const String & uri_,
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const StorageID & table_id_,
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const String & format_name_,
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const ColumnsDescription & columns_,
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const ConstraintsDescription & constraints_,
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const String & compression_method);
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std::string getName() const override { return "HDFSCluster"; }
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RemoteQueryExecutor::Extension getTaskIteratorExtension(const ActionsDAG::Node * predicate, const ContextPtr & context) const override;
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bool supportsSubcolumns() const override { return true; }
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bool supportsTrivialCountOptimization(const StorageSnapshotPtr &, ContextPtr) const override { return true; }
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private:
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void updateQueryToSendIfNeeded(ASTPtr & query, const StorageSnapshotPtr & storage_snapshot, const ContextPtr & context) override;
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String uri;
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String format_name;
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};
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}
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#endif
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