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The native Arrow Flight connector can be used to connect to any Arrow Flight enabled Data Source. The metadata layer is handled by the Presto coordinator and does not need to be re-implemented in C++. Any Java connector that inherits from `presto-base-arrow-flight` can use this connector as it's counterpart for the Prestissimo layer. Different Arrow-Flight enabled data sources can differ in authentication styles. A plugin-style interface is provided to handle such cases with custom authentication code by extending `arrow_flight::auth::Authenticator`. RFC: https://github.com/prestodb/rfcs/blob/main/RFC-0004-arrow-flight-connector.md#prestissimo-implementation Co-authored-by: Ashwin Kumar <[email protected]> Co-authored-by: Rijin-N <[email protected]> Co-authored-by: Nischay Yadav <[email protected]>
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18 changes: 18 additions & 0 deletions
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presto-native-execution/presto_cpp/main/connectors/CMakeLists.txt
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| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
| add_library(presto_connector Registration.cpp PrestoToVeloxConnector.cpp | ||
| SystemConnector.cpp) | ||
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| if(PRESTO_ENABLE_ARROW_FLIGHT_CONNECTOR) | ||
| add_subdirectory(arrow_flight) | ||
| target_link_libraries(presto_connector presto_flight_connector) | ||
| endif() |
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95 changes: 95 additions & 0 deletions
95
presto-native-execution/presto_cpp/main/connectors/Registration.cpp
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| /* | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| #include "presto_cpp/main/connectors/Registration.h" | ||
| #include "presto_cpp/main/connectors/SystemConnector.h" | ||
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| #ifdef PRESTO_ENABLE_ARROW_FLIGHT_CONNECTOR | ||
| #include "presto_cpp/main/connectors/arrow_flight/ArrowFlightConnector.h" | ||
| #include "presto_cpp/main/connectors/arrow_flight/ArrowPrestoToVeloxConnector.h" | ||
| #endif | ||
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| #include "velox/connectors/hive/HiveConnector.h" | ||
| #include "velox/connectors/tpch/TpchConnector.h" | ||
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| namespace facebook::presto { | ||
| namespace { | ||
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| constexpr char const* kHiveHadoop2ConnectorName = "hive-hadoop2"; | ||
| constexpr char const* kIcebergConnectorName = "iceberg"; | ||
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| void registerConnectorFactories() { | ||
| // These checks for connector factories can be removed after we remove the | ||
| // registrations from the Velox library. | ||
| if (!velox::connector::hasConnectorFactory( | ||
| velox::connector::hive::HiveConnectorFactory::kHiveConnectorName)) { | ||
| velox::connector::registerConnectorFactory( | ||
| std::make_shared<velox::connector::hive::HiveConnectorFactory>()); | ||
| velox::connector::registerConnectorFactory( | ||
| std::make_shared<velox::connector::hive::HiveConnectorFactory>( | ||
| kHiveHadoop2ConnectorName)); | ||
| } | ||
| if (!velox::connector::hasConnectorFactory( | ||
| velox::connector::tpch::TpchConnectorFactory::kTpchConnectorName)) { | ||
| velox::connector::registerConnectorFactory( | ||
| std::make_shared<velox::connector::tpch::TpchConnectorFactory>()); | ||
| } | ||
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| // Register Velox connector factory for iceberg. | ||
| // The iceberg catalog is handled by the hive connector factory. | ||
| if (!velox::connector::hasConnectorFactory(kIcebergConnectorName)) { | ||
| velox::connector::registerConnectorFactory( | ||
| std::make_shared<velox::connector::hive::HiveConnectorFactory>( | ||
| kIcebergConnectorName)); | ||
| } | ||
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| #ifdef PRESTO_ENABLE_ARROW_FLIGHT_CONNECTOR | ||
| if (!velox::connector::hasConnectorFactory( | ||
| ArrowFlightConnectorFactory::kArrowFlightConnectorName)) { | ||
| velox::connector::registerConnectorFactory( | ||
| std::make_shared<ArrowFlightConnectorFactory>()); | ||
| } | ||
| #endif | ||
| } | ||
| } // namespace | ||
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| void registerConnectors() { | ||
| registerConnectorFactories(); | ||
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| registerPrestoToVeloxConnector(std::make_unique<HivePrestoToVeloxConnector>( | ||
| velox::connector::hive::HiveConnectorFactory::kHiveConnectorName)); | ||
| registerPrestoToVeloxConnector( | ||
| std::make_unique<HivePrestoToVeloxConnector>(kHiveHadoop2ConnectorName)); | ||
| registerPrestoToVeloxConnector( | ||
| std::make_unique<IcebergPrestoToVeloxConnector>(kIcebergConnectorName)); | ||
| registerPrestoToVeloxConnector(std::make_unique<TpchPrestoToVeloxConnector>( | ||
| velox::connector::tpch::TpchConnectorFactory::kTpchConnectorName)); | ||
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| // Presto server uses system catalog or system schema in other catalogs | ||
| // in different places in the code. All these resolve to the SystemConnector. | ||
| // Depending on where the operator or column is used, different prefixes can | ||
| // be used in the naming. So the protocol class is mapped | ||
| // to all the different prefixes for System tables/columns. | ||
| registerPrestoToVeloxConnector( | ||
| std::make_unique<SystemPrestoToVeloxConnector>("$system")); | ||
| registerPrestoToVeloxConnector( | ||
| std::make_unique<SystemPrestoToVeloxConnector>("system")); | ||
| registerPrestoToVeloxConnector( | ||
| std::make_unique<SystemPrestoToVeloxConnector>("$system@system")); | ||
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| #ifdef PRESTO_ENABLE_ARROW_FLIGHT_CONNECTOR | ||
| registerPrestoToVeloxConnector(std::make_unique<ArrowPrestoToVeloxConnector>( | ||
| ArrowFlightConnectorFactory::kArrowFlightConnectorName)); | ||
| #endif | ||
| } | ||
| } // namespace facebook::presto |
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presto-native-execution/presto_cpp/main/connectors/Registration.h
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| /* | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| #pragma once | ||
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| namespace facebook::presto { | ||
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| void registerConnectors(); | ||
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| } // namespace facebook::presto |
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45 changes: 45 additions & 0 deletions
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presto-native-execution/presto_cpp/main/connectors/arrow_flight/ArrowFlightConfig.cpp
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| /* | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| #include "presto_cpp/main/connectors/arrow_flight/ArrowFlightConfig.h" | ||
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| namespace facebook::presto { | ||
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| std::string ArrowFlightConfig::authenticatorName() { | ||
| return config_->get<std::string>(kAuthenticatorName, "none"); | ||
| } | ||
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| std::optional<std::string> ArrowFlightConfig::defaultServerHostname() { | ||
| return static_cast<std::optional<std::string>>( | ||
| config_->get<std::string>(kDefaultServerHost)); | ||
| } | ||
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| std::optional<uint16_t> ArrowFlightConfig::defaultServerPort() { | ||
| return static_cast<std::optional<uint16_t>>( | ||
| config_->get<uint16_t>(kDefaultServerPort)); | ||
| } | ||
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| bool ArrowFlightConfig::defaultServerSslEnabled() { | ||
| return config_->get<bool>(kDefaultServerSslEnabled, false); | ||
| } | ||
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| bool ArrowFlightConfig::serverVerify() { | ||
| return config_->get<bool>(kServerVerify, true); | ||
| } | ||
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| std::optional<std::string> ArrowFlightConfig::serverSslCertificate() { | ||
| return static_cast<std::optional<std::string>>( | ||
| config_->get<std::string>(kServerSslCertificate)); | ||
| } | ||
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| } // namespace facebook::presto |
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