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#pragma once
#include "clickhouse_config.h"
#include <memory>
#include <optional>
#include <Client/Connection.h>
#include <Interpreters/Cluster.h>
#include <Storages/IStorageCluster.h>
#include <Storages/StorageURL.h>
namespace DB
{
class Context;
class StorageURLCluster : public IStorageCluster
{
public:
StorageURLCluster(
ContextPtr context_,
const String & cluster_name_,
const String & uri_,
const String & format_,
const String & compression_method_,
const StorageID & table_id_,
const ColumnsDescription & columns_,
const ConstraintsDescription & constraints_,
const StorageURL::Configuration & configuration_,
bool structure_argument_was_provided_);
std::string getName() const override { return "URLCluster"; }
NamesAndTypesList getVirtuals() const override { return virtual_columns; }
RemoteQueryExecutor::Extension getTaskIteratorExtension(ASTPtr query, const ContextPtr & context) const override;
bool supportsSubcolumns() const override { return true; }
bool supportsTrivialCountOptimization() const override { return true; }
private:
void addColumnsStructureToQuery(ASTPtr & query, const String & structure, const ContextPtr & context) override;
String uri;
String format_name;
String compression_method;
NamesAndTypesList virtual_columns;
};
}
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