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57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
#pragma once
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#if !defined(ARCADIA_BUILD)
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#include "config_core.h"
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#endif
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#if USE_LIBPQXX
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#include <ext/shared_ptr_helper.h>
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#include <Interpreters/Context.h>
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#include <Storages/IStorage.h>
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#include <DataStreams/IBlockOutputStream.h>
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#include <pqxx/pqxx>
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namespace DB
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{
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class PostgreSQLConnection;
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using PostgreSQLConnectionPtr = std::shared_ptr<PostgreSQLConnection>;
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class StoragePostgreSQL final : public ext::shared_ptr_helper<StoragePostgreSQL>, public IStorage
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{
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friend struct ext::shared_ptr_helper<StoragePostgreSQL>;
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public:
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StoragePostgreSQL(
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const StorageID & table_id_,
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const std::string & remote_table_name_,
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PostgreSQLConnectionPtr connection_,
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const ColumnsDescription & columns_,
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const ConstraintsDescription & constraints_,
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const Context & context_);
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String getName() const override { return "PostgreSQL"; }
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Pipe read(
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const Names & column_names,
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const StorageMetadataPtr & /*metadata_snapshot*/,
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SelectQueryInfo & query_info,
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const Context & context,
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QueryProcessingStage::Enum processed_stage,
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size_t max_block_size,
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unsigned num_streams) override;
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BlockOutputStreamPtr write(const ASTPtr & query, const StorageMetadataPtr & /*metadata_snapshot*/, const Context & context) override;
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private:
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friend class PostgreSQLBlockOutputStream;
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String remote_table_name;
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Context global_context;
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PostgreSQLConnectionPtr connection;
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};
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}
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#endif
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