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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/06/09 03:17:02 UTC
[GitHub] [incubator-doris] zhangstar333 commented on a diff in pull request #9930: [Vectorized][UDF] support java-udaf
zhangstar333 commented on code in PR #9930:
URL: https://github.com/apache/incubator-doris/pull/9930#discussion_r893032637
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be/src/vec/aggregate_functions/aggregate_function_java_udaf.h:
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@@ -0,0 +1,361 @@
+// 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
+
+#ifdef LIBJVM
+
+#include <jni.h>
+#include <unistd.h>
+
+#include <cstdint>
+#include <memory>
+
+#include "common/status.h"
+#include "gen_cpp/Exprs_types.h"
+#include "runtime/user_function_cache.h"
+#include "util/jni-util.h"
+#include "vec/aggregate_functions/aggregate_function.h"
+#include "vec/columns/column_string.h"
+#include "vec/common/exception.h"
+#include "vec/common/string_ref.h"
+#include "vec/core/block.h"
+#include "vec/core/column_numbers.h"
+#include "vec/core/field.h"
+#include "vec/core/types.h"
+#include "vec/data_types/data_type_string.h"
+#include "vec/io/io_helper.h"
+
+namespace doris::vectorized {
+
+const char* UDAF_EXECUTOR_CLASS = "org/apache/doris/udf/UdafExecutor";
+const char* UDAF_EXECUTOR_CTOR_SIGNATURE = "([B)V";
+const char* UDAF_EXECUTOR_CLOSE_SIGNATURE = "()V";
+const char* UDAF_EXECUTOR_ADD_SIGNATURE = "(JJ)V";
+const char* UDAF_EXECUTOR_SERIALIZE_SIGNATURE = "(Ljava/lang/Object;)V";
+const char* UDAF_EXECUTOR_MERGE_SIGNATURE = "(Ljava/lang/Object;)V";
+const char* UDAF_EXECUTOR_RESULT_SIGNATURE = "(J)Z";
+
+struct AggregateJavaUdafData {
+public:
+ AggregateJavaUdafData() = default;
+ AggregateJavaUdafData(int64_t num_args) {
+ argument_size = num_args;
+ first_init = true;
+ input_values_buffer_ptr.reset(new int64_t[num_args]);
+ input_nulls_buffer_ptr.reset(new int64_t[num_args]);
+ input_offsets_ptrs.reset(new int64_t[num_args]);
+ output_value_buffer.reset(new int64_t);
+ output_null_value.reset(new int64_t);
+ output_offsets_ptr.reset(new int64_t);
+ output_intermediate_state_ptr.reset(new int64_t);
+ }
+
+ ~AggregateJavaUdafData() {
+ JNIEnv* env;
+ Status status;
+ RETURN_IF_STATUS_ERROR(status, JniUtil::GetJNIEnv(&env));
+ env->CallNonvirtualVoidMethod(executor_obj, executor_cl, executor_close_id);
+ RETURN_IF_STATUS_ERROR(status, JniUtil::GetJniExceptionMsg(env));
+ env->DeleteGlobalRef(executor_obj);
+ }
+
+ Status init_udaf(const TFunction& fn) {
+ if (first_init) {
+ JNIEnv* env = nullptr;
+ RETURN_NOT_OK_STATUS_WITH_WARN(JniUtil::GetJNIEnv(&env),
+ "Java-Udaf init_udaf function");
+ RETURN_IF_ERROR(JniUtil::GetGlobalClassRef(env, UDAF_EXECUTOR_CLASS, &executor_cl));
+ RETURN_NOT_OK_STATUS_WITH_WARN(register_func_id(env),
+ "Java-Udaf register_func_id function");
+
+ // 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(fn.id, fn.hdfs_location, fn.checksum,
+ &local_location));
+ TJavaUdfExecutorCtorParams ctor_params;
+ ctor_params.__set_fn(fn);
+ ctor_params.__set_location(local_location);
+ ctor_params.__set_input_offsets_ptrs((int64_t)input_offsets_ptrs.get());
+ ctor_params.__set_input_buffer_ptrs((int64_t)input_values_buffer_ptr.get());
+ ctor_params.__set_input_nulls_ptrs((int64_t)input_nulls_buffer_ptr.get());
+ ctor_params.__set_output_buffer_ptr((int64_t)output_value_buffer.get());
+
+ ctor_params.__set_output_null_ptr((int64_t)output_null_value.get());
+ ctor_params.__set_output_offsets_ptr((int64_t)output_offsets_ptr.get());
+ ctor_params.__set_output_intermediate_state_ptr(
+ (int64_t)output_intermediate_state_ptr.get());
+
+ 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));
+ executor_obj = env->NewObject(executor_cl, executor_ctor_id, ctor_params_bytes);
+ }
+ RETURN_ERROR_IF_EXC(env);
+ RETURN_IF_ERROR(JniUtil::LocalToGlobalRef(env, executor_obj, &executor_obj));
+ first_init = false;
+ }
+ return Status::OK();
+ }
+
+ Status add(const IColumn** columns, size_t row_num_start, size_t row_num_end,
+ const DataTypes& argument_types) {
+ JNIEnv* env = nullptr;
+ RETURN_NOT_OK_STATUS_WITH_WARN(JniUtil::GetJNIEnv(&env), "Java-Udaf add function");
+ for (int arg_idx = 0; arg_idx < argument_size; ++arg_idx) {
+ auto data_col = columns[arg_idx];
+ if (auto* nullable = check_and_get_column<const ColumnNullable>(*columns[arg_idx])) {
+ data_col = nullable->get_nested_column_ptr();
+ auto null_col = check_and_get_column<ColumnVector<UInt8>>(
+ nullable->get_null_map_column_ptr());
+ input_nulls_buffer_ptr.get()[arg_idx] =
+ reinterpret_cast<int64_t>(null_col->get_data().data());
+ } else {
+ input_nulls_buffer_ptr.get()[arg_idx] = -1;
+ }
+ if (data_col->is_column_string()) {
+ const ColumnString* str_col = check_and_get_column<ColumnString>(data_col);
+ input_values_buffer_ptr.get()[arg_idx] =
+ reinterpret_cast<int64_t>(str_col->get_chars().data());
+ input_offsets_ptrs.get()[arg_idx] =
+ reinterpret_cast<int64_t>(str_col->get_offsets().data());
+ } else if (data_col->is_numeric() || data_col->is_column_decimal()) {
+ input_values_buffer_ptr.get()[arg_idx] =
+ reinterpret_cast<int64_t>(data_col->get_raw_data().data);
+ } else {
+ return Status::InvalidArgument(
+ strings::Substitute("Java UDAF doesn't support type is $0 now !",
+ argument_types[arg_idx]->get_name()));
+ }
+ }
+ env->CallNonvirtualVoidMethod(executor_obj, executor_cl, executor_add_id, row_num_start,
+ row_num_end);
+ return Status::OK();
+ }
+
+ Status merge(const AggregateJavaUdafData& rhs) {
+ if (rhs.first_init) {
+ return Status::OK();
+ }
+ JNIEnv* env = nullptr;
+ RETURN_NOT_OK_STATUS_WITH_WARN(JniUtil::GetJNIEnv(&env), "Java-Udaf merge function");
+ serialize_data = rhs.serialize_data;
+ long len = serialize_data.length();
+ jobject data = env->NewDirectByteBuffer(serialize_data.data(), len);
+ env->CallNonvirtualVoidMethod(executor_obj, executor_cl, executor_merge_id, data);
+ return Status::OK();
+ }
+
+ Status write(BufferWritable& buf) {
+ write_binary(first_init, buf);
+ JNIEnv* env = nullptr;
+ RETURN_NOT_OK_STATUS_WITH_WARN(JniUtil::GetJNIEnv(&env), "Java-Udaf write function");
+ jlong len = env->GetLongField(executor_obj, serialize_len_id);
+ serialize_data.resize(len);
+ jobject data = env->NewDirectByteBuffer(serialize_data.data(), len);
+ env->CallNonvirtualVoidMethod(executor_obj, executor_cl, executor_serialize_id, data);
+ write_binary(serialize_data, buf);
+ return Status::OK();
+ }
+
+ void read(BufferReadable& buf) {
+ read_binary(first_init, buf);
+ read_binary(serialize_data, buf);
+ }
+
+ Status get(IColumn& to, const DataTypePtr& result_type) const {
+ to.insert_default();
+ JNIEnv* env = nullptr;
+ RETURN_NOT_OK_STATUS_WITH_WARN(JniUtil::GetJNIEnv(&env), "Java-Udaf get value function");
+ if (result_type->is_nullable()) {
+ auto& nullable = assert_cast<ColumnNullable&>(to);
+ *output_null_value =
+ reinterpret_cast<int64_t>(nullable.get_null_map_column().get_raw_data().data);
+ auto& data_col = nullable.get_nested_column();
+
+#ifndef EVALUATE_JAVA_UDAF
+#define EVALUATE_JAVA_UDAF \
+ if (data_col.is_column_string()) { \
+ const ColumnString* str_col = check_and_get_column<ColumnString>(to); \
+ ColumnString::Chars& chars = const_cast<ColumnString::Chars&>(str_col->get_chars()); \
+ ColumnString::Offsets& offsets = \
+ const_cast<ColumnString::Offsets&>(str_col->get_offsets()); \
+ int increase_buffer_size = 0; \
+ *output_value_buffer = reinterpret_cast<int64_t>(chars.data()); \
+ *output_offsets_ptr = reinterpret_cast<int64_t>(offsets.data()); \
+ *output_intermediate_state_ptr = chars.size(); \
+ jboolean res = env->CallNonvirtualBooleanMethod(executor_obj, executor_cl, \
+ executor_result_id, to.size() - 1); \
+ while (res != JNI_TRUE) { \
+ int32_t buffer_size = IncreaseReservedBufferSize(increase_buffer_size); \
+ increase_buffer_size++; \
+ chars.reserve(chars.size() + buffer_size); \
+ chars.resize(chars.size() + buffer_size); \
+ *output_intermediate_state_ptr = chars.size(); \
+ res = env->CallNonvirtualBooleanMethod(executor_obj, executor_cl, executor_result_id, \
+ to.size() - 1); \
+ } \
+ } else if (data_col.is_numeric() || data_col.is_column_decimal()) { \
+ *output_value_buffer = reinterpret_cast<int64_t>(data_col.get_raw_data().data); \
+ env->CallNonvirtualBooleanMethod(executor_obj, executor_cl, executor_result_id, \
+ to.size() - 1); \
+ } else { \
+ return Status::InvalidArgument(strings::Substitute( \
+ "Java UDAF doesn't support return type is $0 now !", result_type->get_name())); \
+ }
+#endif
+ EVALUATE_JAVA_UDAF;
+ } else {
+ *output_null_value = -1;
+ *output_value_buffer = reinterpret_cast<int64_t>(to.get_raw_data().data);
+ auto& data_col = to;
+ EVALUATE_JAVA_UDAF;
+ env->CallNonvirtualBooleanMethod(executor_obj, executor_cl, executor_result_id,
+ to.size() - 1);
+ }
+ return Status::OK();
+ }
+
+ static const int32_t INITIAL_RESERVED_BUFFER_SIZE = 1024;
+ // TODO: we need a heuristic strategy to increase buffer size for variable-size output.
+ static inline int32_t IncreaseReservedBufferSize(int n) {
+ return INITIAL_RESERVED_BUFFER_SIZE << n;
+ }
+
+ Status register_func_id(JNIEnv* env) {
+ auto register_id = [&](const char* func_name, const char* func_sign, jmethodID& func_id) {
+ func_id = env->GetMethodID(executor_cl, func_name, func_sign);
+ Status s = JniUtil::GetJniExceptionMsg(env);
+ if (!s.ok()) {
+ return Status::InternalError(
+ strings::Substitute("Java-Udaf register_func_id meet error and error is $0",
+ s.get_error_msg()));
+ }
+ return s;
+ };
+
+ RETURN_IF_ERROR(register_id("<init>", UDAF_EXECUTOR_CTOR_SIGNATURE, executor_ctor_id));
+ RETURN_IF_ERROR(register_id("add", UDAF_EXECUTOR_ADD_SIGNATURE, executor_add_id));
+ RETURN_IF_ERROR(register_id("close", UDAF_EXECUTOR_CLOSE_SIGNATURE, executor_close_id));
+ RETURN_IF_ERROR(register_id("merge", UDAF_EXECUTOR_MERGE_SIGNATURE, executor_merge_id));
+ RETURN_IF_ERROR(
+ register_id("serialize", UDAF_EXECUTOR_SERIALIZE_SIGNATURE, executor_serialize_id));
+ RETURN_IF_ERROR(
+ register_id("getValue", UDAF_EXECUTOR_RESULT_SIGNATURE, executor_result_id));
+ serialize_len_id = env->GetFieldID(executor_cl, "serializeLength", "J");
+ RETURN_ERROR_IF_EXC(env);
+ return Status::OK();
+ }
+
+public:
+ jclass executor_cl;
+ jobject executor_obj;
+ jmethodID executor_ctor_id;
+
+ jmethodID executor_add_id;
+ jmethodID executor_merge_id;
+ jmethodID executor_serialize_id;
+ jmethodID executor_result_id;
+ jmethodID executor_close_id;
+ jfieldID serialize_len_id;
+
+ std::unique_ptr<int64_t[]> input_values_buffer_ptr;
+ std::unique_ptr<int64_t[]> input_nulls_buffer_ptr;
+ std::unique_ptr<int64_t[]> input_offsets_ptrs;
+ std::unique_ptr<int64_t> output_value_buffer;
+ std::unique_ptr<int64_t> output_null_value;
+ std::unique_ptr<int64_t> output_offsets_ptr;
+ std::unique_ptr<int64_t> output_intermediate_state_ptr;
+
+ bool first_init;
+ int argument_size = 0;
+ std::string serialize_data;
+};
+
+class AggregateJavaUdaf final
+ : public IAggregateFunctionDataHelper<AggregateJavaUdafData, AggregateJavaUdaf> {
+public:
+ AggregateJavaUdaf(const TFunction& fn, const DataTypes& argument_types, const Array& parameters,
+ const DataTypePtr& return_type)
+ : IAggregateFunctionDataHelper(argument_types, parameters),
+ fn_(fn),
+ return_type_(return_type) {}
+ ~AggregateJavaUdaf() = default;
+
+ static AggregateFunctionPtr create(const TFunction& fn, const DataTypes& argument_types,
+ const Array& parameters, const DataTypePtr& return_type) {
+ return std::make_shared<AggregateJavaUdaf>(fn, argument_types, parameters, return_type);
+ }
+
+ void create(AggregateDataPtr __restrict place) const override {
+ new (place) Data(argument_types.size());
+ }
+
+ String get_name() const override { return fn_.name.function_name; }
+
+ DataTypePtr get_return_type() const override { return return_type_; }
+
+ void add(AggregateDataPtr __restrict place, const IColumn** columns, size_t row_num,
+ Arena*) const override {
+ Status status = Status::OK();
+ RETURN_IF_STATUS_ERROR(status, data(place).init_udaf(fn_));
Review Comment:
Have test in create function do init operator, but it's unable to get jvm
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