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| // 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. | ||
|
|
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| #include "vec/exprs/table_function/udf_table_function.h" | ||
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| #include <glog/logging.h> | ||
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| #include <algorithm> | ||
| #include <iterator> | ||
| #include <memory> | ||
| #include <ostream> | ||
| #include <sstream> | ||
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|
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| #include "common/status.h" | ||
| #include "runtime/user_function_cache.h" | ||
| #include "vec/columns/column.h" | ||
| #include "vec/columns/column_array.h" | ||
| #include "vec/columns/column_nullable.h" | ||
| #include "vec/columns/column_string.h" | ||
| #include "vec/common/assert_cast.h" | ||
| #include "vec/core/block.h" | ||
| #include "vec/core/column_with_type_and_name.h" | ||
| #include "vec/data_types/data_type_array.h" | ||
| #include "vec/data_types/data_type_factory.hpp" | ||
| #include "vec/exec/jni_connector.h" | ||
| #include "vec/exprs/vexpr.h" | ||
| #include "vec/exprs/vexpr_context.h" | ||
|
|
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| namespace doris::vectorized { | ||
| const char* EXECUTOR_CLASS = "org/apache/doris/udf/UdfExecutor"; | ||
| const char* EXECUTOR_CTOR_SIGNATURE = "([B)V"; | ||
| const char* EXECUTOR_EVALUATE_SIGNATURE = "(Ljava/util/Map;Ljava/util/Map;)J"; | ||
| const char* EXECUTOR_CLOSE_SIGNATURE = "()V"; | ||
| UDFTableFunction::UDFTableFunction(const TFunction& t_fn) : TableFunction(), _t_fn(t_fn) { | ||
| _fn_name = _t_fn.name.function_name; | ||
| _return_type = DataTypeFactory::instance().create_data_type( | ||
| TypeDescriptor::from_thrift(t_fn.ret_type)); | ||
| _return_type = std::make_shared<DataTypeArray>(make_nullable(_return_type)); | ||
| } | ||
|
|
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| Status UDFTableFunction::open() { | ||
| JNIEnv* env = nullptr; | ||
| RETURN_IF_ERROR(JniUtil::GetJNIEnv(&env)); | ||
| if (env == nullptr) { | ||
| return Status::InternalError("Failed to get/create JVM"); | ||
| } | ||
| _jni_ctx = std::make_shared<JniContext>(); | ||
| // Add a scoped cleanup jni reference object. This cleans up local refs made below. | ||
| JniLocalFrame jni_frame; | ||
| { | ||
| std::string local_location; | ||
| auto* function_cache = UserFunctionCache::instance(); | ||
| RETURN_IF_ERROR(function_cache->get_jarpath(_t_fn.id, _t_fn.hdfs_location, _t_fn.checksum, | ||
| &local_location)); | ||
| TJavaUdfExecutorCtorParams ctor_params; | ||
| ctor_params.__set_fn(_t_fn); | ||
| ctor_params.__set_location(local_location); | ||
| jbyteArray ctor_params_bytes; | ||
| // Pushed frame will be popped when jni_frame goes out-of-scope. | ||
| RETURN_IF_ERROR(jni_frame.push(env)); | ||
| RETURN_IF_ERROR(SerializeThriftMsg(env, &ctor_params, &ctor_params_bytes)); | ||
| RETURN_IF_ERROR(JniUtil::GetGlobalClassRef(env, EXECUTOR_CLASS, &_jni_ctx->executor_cl)); | ||
| _jni_ctx->executor_ctor_id = | ||
| env->GetMethodID(_jni_ctx->executor_cl, "<init>", EXECUTOR_CTOR_SIGNATURE); | ||
| _jni_ctx->executor_evaluate_id = | ||
| env->GetMethodID(_jni_ctx->executor_cl, "evaluate", EXECUTOR_EVALUATE_SIGNATURE); | ||
| _jni_ctx->executor_close_id = | ||
| env->GetMethodID(_jni_ctx->executor_cl, "close", EXECUTOR_CLOSE_SIGNATURE); | ||
| _jni_ctx->executor = env->NewObject(_jni_ctx->executor_cl, _jni_ctx->executor_ctor_id, | ||
| ctor_params_bytes); | ||
| jbyte* pBytes = env->GetByteArrayElements(ctor_params_bytes, nullptr); | ||
| env->ReleaseByteArrayElements(ctor_params_bytes, pBytes, JNI_ABORT); | ||
| env->DeleteLocalRef(ctor_params_bytes); | ||
| } | ||
| RETURN_ERROR_IF_EXC(env); | ||
| RETURN_IF_ERROR(JniUtil::LocalToGlobalRef(env, _jni_ctx->executor, &_jni_ctx->executor)); | ||
| _jni_ctx->open_successes = true; | ||
| return Status::OK(); | ||
| } | ||
|
|
||
| Status UDFTableFunction::process_init(Block* block, RuntimeState* state) { | ||
| auto child_size = _expr_context->root()->children().size(); | ||
| std::vector<size_t> child_column_idxs; | ||
| child_column_idxs.resize(child_size); | ||
| for (int i = 0; i < child_size; ++i) { | ||
| int result_id = -1; | ||
| RETURN_IF_ERROR(_expr_context->root()->children()[i]->execute(_expr_context.get(), block, | ||
| &result_id)); | ||
| DCHECK_NE(result_id, -1); | ||
| child_column_idxs[i] = result_id; | ||
| } | ||
| JNIEnv* env = nullptr; | ||
| RETURN_IF_ERROR(JniUtil::GetJNIEnv(&env)); | ||
| std::unique_ptr<long[]> input_table; | ||
| RETURN_IF_ERROR( | ||
| JniConnector::to_java_table(block, block->rows(), child_column_idxs, input_table)); | ||
| auto input_table_schema = JniConnector::parse_table_schema(block, child_column_idxs, true); | ||
| std::map<String, String> input_params = { | ||
| {"meta_address", std::to_string((long)input_table.get())}, | ||
| {"required_fields", input_table_schema.first}, | ||
| {"columns_types", input_table_schema.second}}; | ||
|
|
||
| jobject input_map = JniUtil::convert_to_java_map(env, input_params); | ||
| _array_result_column = _return_type->create_column(); | ||
| _result_column_idx = block->columns(); | ||
| block->insert({_array_result_column, _return_type, "res"}); | ||
| auto output_table_schema = JniConnector::parse_table_schema(block, {_result_column_idx}, true); | ||
| std::string output_nullable = _return_type->is_nullable() ? "true" : "false"; | ||
| std::map<String, String> output_params = {{"is_nullable", output_nullable}, | ||
| {"required_fields", output_table_schema.first}, | ||
| {"columns_types", output_table_schema.second}}; | ||
|
|
||
| jobject output_map = JniUtil::convert_to_java_map(env, output_params); | ||
| DCHECK(_jni_ctx != nullptr); | ||
| DCHECK(_jni_ctx->executor != nullptr); | ||
| long output_address = env->CallLongMethod(_jni_ctx->executor, _jni_ctx->executor_evaluate_id, | ||
| input_map, output_map); | ||
| RETURN_IF_ERROR(JniUtil::GetJniExceptionMsg(env)); | ||
| env->DeleteLocalRef(input_map); | ||
| env->DeleteLocalRef(output_map); | ||
| RETURN_IF_ERROR(JniConnector::fill_block(block, {_result_column_idx}, output_address)); | ||
| block->erase(_result_column_idx); | ||
| if (!extract_column_array_info(*_array_result_column, _array_column_detail)) { | ||
| return Status::NotSupported("column type {} not supported now", | ||
| block->get_by_position(_result_column_idx).column->get_name()); | ||
| } | ||
| return Status::OK(); | ||
| } | ||
|
|
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| void UDFTableFunction::process_row(size_t row_idx) { | ||
| TableFunction::process_row(row_idx); | ||
| if (!_array_column_detail.array_nullmap_data || | ||
| !_array_column_detail.array_nullmap_data[row_idx]) { | ||
| _array_offset = (*_array_column_detail.offsets_ptr)[row_idx - 1]; | ||
| _cur_size = (*_array_column_detail.offsets_ptr)[row_idx] - _array_offset; | ||
| } | ||
| } | ||
|
|
||
| void UDFTableFunction::process_close() { | ||
| _array_result_column = nullptr; | ||
| _array_column_detail.reset(); | ||
| _array_offset = 0; | ||
| } | ||
|
|
||
| void UDFTableFunction::get_value(MutableColumnPtr& column) { | ||
| size_t pos = _array_offset + _cur_offset; | ||
| if (current_empty() || (_array_column_detail.nested_nullmap_data && | ||
| _array_column_detail.nested_nullmap_data[pos])) { | ||
| column->insert_default(); | ||
| } else { | ||
| if (_is_nullable) { | ||
| auto* nullable_column = assert_cast<ColumnNullable*>(column.get()); | ||
| auto nested_column = nullable_column->get_nested_column_ptr(); | ||
| auto nullmap_column = nullable_column->get_null_map_column_ptr(); | ||
| nested_column->insert_from(*_array_column_detail.nested_col, pos); | ||
| assert_cast<ColumnUInt8*>(nullmap_column.get())->insert_default(); | ||
| } else { | ||
| column->insert_from(*_array_column_detail.nested_col, pos); | ||
| } | ||
| } | ||
| } | ||
| } // namespace doris::vectorized |
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