| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 "SubstraitExtensionCollector.h" |
| |
| namespace gluten { |
| |
| int SubstraitExtensionCollector::getReferenceNumber( |
| const std::string& functionName, |
| const std::vector<TypePtr>& arguments) { |
| const auto& substraitFunctionSignature = VeloxSubstraitSignature::toSubstraitSignature(functionName, arguments); |
| // TODO: Currently we treat all velox registry based function signatures as |
| // custom substrait extension, so no uri link and leave it as empty. |
| return getReferenceNumber({"", substraitFunctionSignature}); |
| } |
| |
| template <typename T> |
| bool SubstraitExtensionCollector::BiDirectionHashMap<T>::putIfAbsent(const int& key, const T& value) { |
| if (forwardMap_.find(key) == forwardMap_.end() && reverseMap_.find(value) == reverseMap_.end()) { |
| forwardMap_[key] = value; |
| reverseMap_[value] = key; |
| return true; |
| } |
| return false; |
| } |
| |
| void SubstraitExtensionCollector::addExtensionsToPlan(::substrait::Plan* plan) const { |
| using SimpleExtensionURI = ::substrait::extensions::SimpleExtensionURI; |
| // Currently we don't introduce any substrait extension YAML files, so always |
| // only have one URI. |
| SimpleExtensionURI* extensionUri = plan->add_extension_uris(); |
| extensionUri->set_extension_uri_anchor(1); |
| |
| for (const auto& [referenceNum, functionId] : extensionFunctions_->forwardMap()) { |
| auto extensionFunction = plan->add_extensions()->mutable_extension_function(); |
| extensionFunction->set_extension_uri_reference(extensionUri->extension_uri_anchor()); |
| extensionFunction->set_function_anchor(referenceNum); |
| extensionFunction->set_name(functionId.signature); |
| } |
| } |
| |
| SubstraitExtensionCollector::SubstraitExtensionCollector() { |
| extensionFunctions_ = std::make_shared<BiDirectionHashMap<ExtensionFunctionId>>(); |
| } |
| |
| int SubstraitExtensionCollector::getReferenceNumber(const ExtensionFunctionId& extensionFunctionId) { |
| const auto& extensionFunctionAnchorIt = extensionFunctions_->reverseMap().find(extensionFunctionId); |
| if (extensionFunctionAnchorIt != extensionFunctions_->reverseMap().end()) { |
| return extensionFunctionAnchorIt->second; |
| } |
| ++functionReferenceNumber; |
| extensionFunctions_->putIfAbsent(functionReferenceNumber, extensionFunctionId); |
| return functionReferenceNumber; |
| } |
| |
| } // namespace gluten |