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GDV-82:[Java][CPP]Export supported types from Gandiva. (apache#66)
Exporting supported data types and functions from Gandiva. Added a JNI bridge to access this from the java layer.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| /* | ||
| * Copyright (C) 2017-2018 Dremio Corporation | ||
| * | ||
| * 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. | ||
| */ | ||
| #ifndef GANDIVA_TYPES_H | ||
| #define GANDIVA_TYPES_H | ||
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| #include <memory> | ||
| #include <vector> | ||
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| #include "gandiva/arrow.h" | ||
| #include "gandiva/function_signature.h" | ||
| #include "gandiva/gandiva_aliases.h" | ||
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| namespace gandiva { | ||
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| class NativeFunction; | ||
| class FunctionRegistry; | ||
| /// \brief Exports types supported by Gandiva for processing. | ||
| /// | ||
| /// Has helper methods for clients to programatically discover | ||
| /// data types and functions supported by Gandiva. | ||
| class ExpressionRegistry { | ||
| public: | ||
| using iterator = const NativeFunction *; | ||
| ExpressionRegistry(); | ||
| ~ExpressionRegistry(); | ||
| static DataTypeVector supported_types() { return supported_types_; } | ||
| class FunctionSignatureIterator { | ||
| public: | ||
| FunctionSignatureIterator(iterator begin, iterator end) : it(begin), end(end) {} | ||
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| bool operator!=(const FunctionSignatureIterator &func_sign_it); | ||
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| FunctionSignature operator*(); | ||
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| iterator operator++(int); | ||
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| private: | ||
| iterator it; | ||
| iterator end; | ||
| }; | ||
| const FunctionSignatureIterator function_signature_begin(); | ||
| const FunctionSignatureIterator function_signature_end() const; | ||
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| private: | ||
| static DataTypeVector supported_types_; | ||
| static DataTypeVector InitSupportedTypes(); | ||
| static void AddArrowTypesToVector(arrow::Type::type &type, DataTypeVector &vector); | ||
| std::unique_ptr<FunctionRegistry> function_registry_; | ||
| }; | ||
| } // namespace gandiva | ||
| #endif // GANDIVA_TYPES_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,151 @@ | ||
| // Copyright (C) 2017-2018 Dremio Corporation | ||
| // | ||
| // 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. | ||
|
|
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| #include "gandiva/expression_registry.h" | ||
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| #include "boost/iterator/transform_iterator.hpp" | ||
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| #include "codegen/function_registry.h" | ||
| #include "codegen/llvm_types.h" | ||
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| namespace gandiva { | ||
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| ExpressionRegistry::ExpressionRegistry() { | ||
| function_registry_.reset(new FunctionRegistry()); | ||
| } | ||
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| ExpressionRegistry::~ExpressionRegistry() {} | ||
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| const ExpressionRegistry::FunctionSignatureIterator | ||
| ExpressionRegistry::function_signature_begin() { | ||
| return FunctionSignatureIterator(function_registry_->begin(), | ||
| function_registry_->end()); | ||
| } | ||
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| const ExpressionRegistry::FunctionSignatureIterator | ||
| ExpressionRegistry::function_signature_end() const { | ||
| return FunctionSignatureIterator(function_registry_->end(), function_registry_->end()); | ||
| } | ||
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| bool ExpressionRegistry::FunctionSignatureIterator::operator!=( | ||
| const FunctionSignatureIterator &func_sign_it) { | ||
| return func_sign_it.it != this->it; | ||
| } | ||
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| FunctionSignature ExpressionRegistry::FunctionSignatureIterator::operator*() { | ||
| return (*it).signature(); | ||
| } | ||
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| ExpressionRegistry::iterator ExpressionRegistry::FunctionSignatureIterator::operator++( | ||
| int increment) { | ||
| return it++; | ||
| } | ||
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| DataTypeVector ExpressionRegistry::supported_types_ = | ||
| ExpressionRegistry::InitSupportedTypes(); | ||
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| DataTypeVector ExpressionRegistry::InitSupportedTypes() { | ||
| DataTypeVector data_type_vector; | ||
| llvm::LLVMContext llvm_context; | ||
| LLVMTypes llvm_types(llvm_context); | ||
| auto supported_arrow_types = llvm_types.GetSupportedArrowTypes(); | ||
| for (auto &type_id : supported_arrow_types) { | ||
| AddArrowTypesToVector(type_id, data_type_vector); | ||
| } | ||
| return data_type_vector; | ||
| } | ||
|
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| void ExpressionRegistry::AddArrowTypesToVector(arrow::Type::type &type, | ||
| DataTypeVector &vector) { | ||
| switch (type) { | ||
| case arrow::Type::type::BOOL: | ||
| vector.push_back(arrow::boolean()); | ||
| break; | ||
| case arrow::Type::type::UINT8: | ||
| vector.push_back(arrow::uint8()); | ||
| break; | ||
| case arrow::Type::type::INT8: | ||
| vector.push_back(arrow::int8()); | ||
| break; | ||
| case arrow::Type::type::UINT16: | ||
| vector.push_back(arrow::uint16()); | ||
| break; | ||
| case arrow::Type::type::INT16: | ||
| vector.push_back(arrow::int16()); | ||
| break; | ||
| case arrow::Type::type::UINT32: | ||
| vector.push_back(arrow::uint32()); | ||
| break; | ||
| case arrow::Type::type::INT32: | ||
| vector.push_back(arrow::int32()); | ||
| break; | ||
| case arrow::Type::type::UINT64: | ||
| vector.push_back(arrow::uint64()); | ||
| break; | ||
| case arrow::Type::type::INT64: | ||
| vector.push_back(arrow::int64()); | ||
| break; | ||
| case arrow::Type::type::HALF_FLOAT: | ||
| vector.push_back(arrow::float16()); | ||
| break; | ||
| case arrow::Type::type::FLOAT: | ||
| vector.push_back(arrow::float32()); | ||
| break; | ||
| case arrow::Type::type::DOUBLE: | ||
| vector.push_back(arrow::float64()); | ||
| break; | ||
| case arrow::Type::type::STRING: | ||
| vector.push_back(arrow::utf8()); | ||
| break; | ||
| case arrow::Type::type::BINARY: | ||
| vector.push_back(arrow::binary()); | ||
| break; | ||
| case arrow::Type::type::DATE32: | ||
| vector.push_back(arrow::date32()); | ||
| break; | ||
| case arrow::Type::type::DATE64: | ||
| vector.push_back(arrow::date64()); | ||
| break; | ||
| case arrow::Type::type::TIMESTAMP: | ||
| vector.push_back(arrow::timestamp(arrow::TimeUnit::SECOND)); | ||
| vector.push_back(arrow::timestamp(arrow::TimeUnit::MILLI)); | ||
| vector.push_back(arrow::timestamp(arrow::TimeUnit::NANO)); | ||
| vector.push_back(arrow::timestamp(arrow::TimeUnit::MICRO)); | ||
| break; | ||
| case arrow::Type::type::TIME32: | ||
| vector.push_back(arrow::time32(arrow::TimeUnit::SECOND)); | ||
| vector.push_back(arrow::time32(arrow::TimeUnit::MILLI)); | ||
| break; | ||
| case arrow::Type::type::TIME64: | ||
| vector.push_back(arrow::time64(arrow::TimeUnit::MICRO)); | ||
| vector.push_back(arrow::time64(arrow::TimeUnit::NANO)); | ||
| break; | ||
| case arrow::Type::type::NA: | ||
| vector.push_back(arrow::null()); | ||
| break; | ||
| case arrow::Type::type::FIXED_SIZE_BINARY: | ||
| case arrow::Type::type::MAP: | ||
| case arrow::Type::type::INTERVAL: | ||
| case arrow::Type::type::DECIMAL: | ||
| case arrow::Type::type::LIST: | ||
| case arrow::Type::type::STRUCT: | ||
| case arrow::Type::type::UNION: | ||
| case arrow::Type::type::DICTIONARY: | ||
| // un-supported types. test ensures that | ||
| // when one of these are added build breaks. | ||
| DCHECK(false); | ||
| } | ||
| } | ||
|
|
||
| } // namespace gandiva |
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