ClickHouse/src/Storages/StoragePostgreSQL.h

58 lines
1.5 KiB
C++

#pragma once
#if !defined(ARCADIA_BUILD)
#include "config_core.h"
#endif
#if USE_LIBPQXX
#include <common/shared_ptr_helper.h>
#include <Interpreters/Context.h>
#include <Storages/IStorage.h>
#include <DataStreams/IBlockOutputStream.h>
#include <Core/PostgreSQL/PoolWithFailover.h>
namespace DB
{
class StoragePostgreSQL final : public shared_ptr_helper<StoragePostgreSQL>, public IStorage
{
friend struct shared_ptr_helper<StoragePostgreSQL>;
public:
StoragePostgreSQL(
const StorageID & table_id_,
postgres::PoolWithFailoverPtr pool_,
const String & remote_table_name_,
const ColumnsDescription & columns_,
const ConstraintsDescription & constraints_,
const String & comment,
ContextPtr context_,
const std::string & remote_table_schema_ = "");
String getName() const override { return "PostgreSQL"; }
Pipe read(
const Names & column_names,
const StorageSnapshotPtr & storage_snapshot,
SelectQueryInfo & query_info,
ContextPtr context,
QueryProcessingStage::Enum processed_stage,
size_t max_block_size,
unsigned num_streams) override;
SinkToStoragePtr write(const ASTPtr & query, const StorageMetadataPtr & /*metadata_snapshot*/, ContextPtr context) override;
private:
friend class PostgreSQLBlockOutputStream;
String remote_table_name;
String remote_table_schema;
ContextPtr global_context;
postgres::PoolWithFailoverPtr pool;
};
}
#endif