ClickHouse/src/Storages/StorageS3Cluster.h

58 lines
1.4 KiB
C++

#pragma once
#include "config.h"
#if USE_AWS_S3
#include <memory>
#include <optional>
#include "Client/Connection.h"
#include <Interpreters/Cluster.h>
#include <IO/S3Common.h>
#include <Storages/IStorageCluster.h>
#include <Storages/StorageS3.h>
namespace DB
{
class Context;
class StorageS3Cluster : public IStorageCluster
{
public:
StorageS3Cluster(
const String & cluster_name_,
const StorageS3::Configuration & configuration_,
const StorageID & table_id_,
const ColumnsDescription & columns_,
const ConstraintsDescription & constraints_,
const ContextPtr & context_);
std::string getName() const override { return "S3Cluster"; }
NamesAndTypesList getVirtuals() const override;
RemoteQueryExecutor::Extension getTaskIteratorExtension(const ActionsDAG::Node * predicate, const ContextPtr & context) const override;
bool supportsSubcolumns() const override { return true; }
bool supportsTrivialCountOptimization() const override { return true; }
protected:
void updateConfigurationIfChanged(ContextPtr local_context);
private:
void updateBeforeRead(const ContextPtr & context) override { updateConfigurationIfChanged(context); }
void updateQueryToSendIfNeeded(ASTPtr & query, const StorageSnapshotPtr & storage_snapshot, const ContextPtr & context) override;
StorageS3::Configuration s3_configuration;
NamesAndTypesList virtual_columns;
};
}
#endif