HappenLee commented on a change in pull request #8516: URL: https://github.com/apache/incubator-doris/pull/8516#discussion_r829772557
########## File path: be/src/vec/functions/function_java_udf.h ########## @@ -0,0 +1,110 @@ +// 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. + +#pragma once + +#include <jni.h> + +#include "gen_cpp/Exprs_types.h" +#include "vec/functions/function.h" + +namespace doris { + +namespace vectorized { +class JavaFunctionCall : public IFunctionBase { +public: + JavaFunctionCall(const TFunction& fn, const DataTypes& argument_types, + const DataTypePtr& return_type); + + static FunctionBasePtr create(const TFunction& fn, + const ColumnsWithTypeAndName& argument_types, + const DataTypePtr& return_type) { + DataTypes data_types(argument_types.size()); + for (size_t i = 0; i < argument_types.size(); ++i) { + data_types[i] = argument_types[i].type; + } + return std::make_shared<JavaFunctionCall>(fn, data_types, return_type); + } + + /// Get the main function name. + String get_name() const override { return fn_.name.function_name; }; + + const DataTypes& get_argument_types() const override { return _argument_types; }; + const DataTypePtr& get_return_type() const override { return _return_type; }; + + PreparedFunctionPtr prepare(FunctionContext* context, const Block& sample_block, + const ColumnNumbers& arguments, size_t result) const override { + return nullptr; + } + + Status prepare(FunctionContext* context, FunctionContext::FunctionStateScope scope) override; + + Status execute(FunctionContext* context, Block& block, const ColumnNumbers& arguments, + size_t result, size_t input_rows_count, bool dry_run = false) override; + + Status close(FunctionContext* context, FunctionContext::FunctionStateScope scope) override; + + bool is_deterministic() const override { return false; } + + bool is_deterministic_in_scope_of_query() const override { return false; } + +private: + const TFunction& fn_; + const DataTypes& _argument_types; Review comment: here should not use the reference&, because the (const DataTypes& argument_types) is stack variable ########## File path: be/src/vec/functions/function_java_udf.cpp ########## @@ -0,0 +1,210 @@ +// 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 "vec/functions/function_java_udf.h" + +#include <fmt/format.h> + +#include <memory> +#include <sstream> + +#include "runtime/exec_env.h" +#include "runtime/user_function_cache.h" + +#include "util/jni-util.h" +#include "vec/columns/column_vector.h" +#include "vec/core/block.h" +#include "vec/data_types/data_type_bitmap.h" +#include "vec/data_types/data_type_date.h" +#include "vec/data_types/data_type_date_time.h" +#include "vec/data_types/data_type_decimal.h" +#include "vec/data_types/data_type_nullable.h" +#include "vec/data_types/data_type_number.h" +#include "vec/data_types/data_type_string.h" + +const char* EXECUTOR_CLASS = "org/apache/doris/udf/UdfExecutor"; +const char* EXECUTOR_CTOR_SIGNATURE ="([B)V"; +const char* EXECUTOR_EVALUATE_SIGNATURE = "()V"; +const char* EXECUTOR_CLOSE_SIGNATURE = "()V"; + +namespace doris::vectorized { +JavaFunctionCall::JavaFunctionCall(const TFunction& fn, + const DataTypes& argument_types, const DataTypePtr& return_type) + : fn_(fn), + _argument_types(argument_types), + _return_type(return_type) {} + +Status JavaFunctionCall::prepare(FunctionContext* context, FunctionContext::FunctionStateScope scope) { + DCHECK(executor_cl_ == NULL) << "Init() already called!"; + JNIEnv* env = JniUtil::GetJNIEnv(); + if (env == NULL) return Status::InternalError("Failed to get/create JVM"); + RETURN_IF_ERROR(JniUtil::GetGlobalClassRef(env, EXECUTOR_CLASS, &executor_cl_)); + executor_ctor_id_ = env->GetMethodID( + executor_cl_, "<init>", EXECUTOR_CTOR_SIGNATURE); + RETURN_ERROR_IF_EXC(env); + executor_evaluate_id_ = env->GetMethodID( + executor_cl_, "evaluate", EXECUTOR_EVALUATE_SIGNATURE); + RETURN_ERROR_IF_EXC(env); + executor_close_id_ = env->GetMethodID( + executor_cl_, "close", EXECUTOR_CLOSE_SIGNATURE); + RETURN_ERROR_IF_EXC(env); + + int64_t input_values_buffer_ptr = (int64_t) new int64_t[_argument_types.size()]; Review comment: the mem only user in `JniContext`, why not alloc and release in `JniContext` class ? -- This is an automated message from the Apache Git Service. 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