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doris/be/src/vec/functions/function_java_udf.cpp

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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.
#include "vec/functions/function_java_udf.h"
#include <fmt/format.h>
#include <memory>
#include <sstream>
#include "gen_cpp/Exprs_types.h"
#include "gutil/strings/substitute.h"
#include "runtime/exec_env.h"
#include "runtime/user_function_cache.h"
#include "util/jni-util.h"
#include "vec/columns/column_array.h"
#include "vec/columns/column_nullable.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::open(FunctionContext* context, FunctionContext::FunctionStateScope scope) {
JNIEnv* env = nullptr;
RETURN_IF_ERROR(JniUtil::GetJNIEnv(&env));
if (env == nullptr) {
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);
std::shared_ptr<JniContext> jni_ctx =
std::make_shared<JniContext>(_argument_types.size(), this);
context->set_function_state(FunctionContext::THREAD_LOCAL, jni_ctx);
// 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)jni_ctx->input_offsets_ptrs.get());
ctor_params.__set_input_buffer_ptrs((int64_t)jni_ctx->input_values_buffer_ptr.get());
ctor_params.__set_input_nulls_ptrs((int64_t)jni_ctx->input_nulls_buffer_ptr.get());
ctor_params.__set_input_array_nulls_buffer_ptr(
(int64_t)jni_ctx->input_array_nulls_buffer_ptr.get());
ctor_params.__set_input_array_string_offsets_ptrs(
(int64_t)jni_ctx->input_array_string_offsets_ptrs.get());
ctor_params.__set_output_buffer_ptr((int64_t)jni_ctx->output_value_buffer.get());
ctor_params.__set_output_null_ptr((int64_t)jni_ctx->output_null_value.get());
ctor_params.__set_output_offsets_ptr((int64_t)jni_ctx->output_offsets_ptr.get());
ctor_params.__set_output_array_null_ptr((int64_t)jni_ctx->output_array_null_ptr.get());
ctor_params.__set_output_array_string_offsets_ptr(
(int64_t)jni_ctx->output_array_string_offsets_ptr.get());
ctor_params.__set_output_intermediate_state_ptr(
(int64_t)jni_ctx->output_intermediate_state_ptr.get());
ctor_params.__set_batch_size_ptr((int64_t)jni_ctx->batch_size_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));
jni_ctx->executor = env->NewObject(executor_cl_, 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));
return Status::OK();
}
Status JavaFunctionCall::execute(FunctionContext* context, Block& block,
const ColumnNumbers& arguments, size_t result, size_t num_rows,
bool dry_run) {
JNIEnv* env = nullptr;
RETURN_IF_ERROR(JniUtil::GetJNIEnv(&env));
JniContext* jni_ctx = reinterpret_cast<JniContext*>(
context->get_function_state(FunctionContext::THREAD_LOCAL));
int arg_idx = 0;
ColumnPtr data_cols[arguments.size()];
ColumnPtr null_cols[arguments.size()];
for (size_t col_idx : arguments) {
ColumnWithTypeAndName& column = block.get_by_position(col_idx);
data_cols[arg_idx] = column.column->convert_to_full_column_if_const();
if (!_argument_types[arg_idx]->equals(*column.type)) {
return Status::InvalidArgument(strings::Substitute(
"$0-th input column's type $1 does not equal to required type $2", arg_idx,
column.type->get_name(), _argument_types[arg_idx]->get_name()));
}
if (auto* nullable = check_and_get_column<const ColumnNullable>(*data_cols[arg_idx])) {
null_cols[arg_idx] = nullable->get_null_map_column_ptr();
jni_ctx->input_nulls_buffer_ptr.get()[arg_idx] = reinterpret_cast<int64_t>(
check_and_get_column<ColumnVector<UInt8>>(null_cols[arg_idx])
->get_data()
.data());
data_cols[arg_idx] = nullable->get_nested_column_ptr();
} else {
jni_ctx->input_nulls_buffer_ptr.get()[arg_idx] = -1;
}
if (data_cols[arg_idx]->is_column_string()) {
const ColumnString* str_col =
assert_cast<const ColumnString*>(data_cols[arg_idx].get());
jni_ctx->input_values_buffer_ptr.get()[arg_idx] =
reinterpret_cast<int64_t>(str_col->get_chars().data());
jni_ctx->input_offsets_ptrs.get()[arg_idx] =
reinterpret_cast<int64_t>(str_col->get_offsets().data());
} else if (data_cols[arg_idx]->is_numeric() || data_cols[arg_idx]->is_column_decimal()) {
jni_ctx->input_values_buffer_ptr.get()[arg_idx] =
reinterpret_cast<int64_t>(data_cols[arg_idx]->get_raw_data().data);
} else if (data_cols[arg_idx]->is_column_array()) {
const ColumnArray* array_col =
assert_cast<const ColumnArray*>(data_cols[arg_idx].get());
jni_ctx->input_offsets_ptrs.get()[arg_idx] =
reinterpret_cast<int64_t>(array_col->get_offsets_column().get_raw_data().data);
const ColumnNullable& array_nested_nullable =
assert_cast<const ColumnNullable&>(array_col->get_data());
auto data_column_null_map = array_nested_nullable.get_null_map_column_ptr();
auto data_column = array_nested_nullable.get_nested_column_ptr();
jni_ctx->input_array_nulls_buffer_ptr.get()[arg_idx] = reinterpret_cast<int64_t>(
check_and_get_column<ColumnVector<UInt8>>(data_column_null_map)
->get_data()
.data());
//need pass FE, nullamp and offset, chars
if (data_column->is_column_string()) {
const ColumnString* col = assert_cast<const ColumnString*>(data_column.get());
jni_ctx->input_values_buffer_ptr.get()[arg_idx] =
reinterpret_cast<int64_t>(col->get_chars().data());
jni_ctx->input_array_string_offsets_ptrs.get()[arg_idx] =
reinterpret_cast<int64_t>(col->get_offsets().data());
} else {
jni_ctx->input_values_buffer_ptr.get()[arg_idx] =
reinterpret_cast<int64_t>(data_column->get_raw_data().data);
}
} else {
return Status::InvalidArgument(
strings::Substitute("Java UDF doesn't support type $0 now !",
_argument_types[arg_idx]->get_name()));
}
arg_idx++;
}
*(jni_ctx->batch_size_ptr) = num_rows;
auto return_type = block.get_data_type(result);
if (return_type->is_nullable()) {
auto null_type = std::reinterpret_pointer_cast<const DataTypeNullable>(return_type);
auto data_col = null_type->get_nested_type()->create_column();
auto null_col = ColumnUInt8::create(data_col->size(), 0);
null_col->resize(num_rows);
*(jni_ctx->output_null_value) = reinterpret_cast<int64_t>(null_col->get_data().data());
#ifndef EVALUATE_JAVA_UDF
#define EVALUATE_JAVA_UDF \
if (data_col->is_column_string()) { \
const ColumnString* str_col = assert_cast<const ColumnString*>(data_col.get()); \
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; \
int64_t buffer_size = JniUtil::IncreaseReservedBufferSize(increase_buffer_size); \
chars.resize(buffer_size); \
offsets.resize(num_rows); \
*(jni_ctx->output_value_buffer) = reinterpret_cast<int64_t>(chars.data()); \
*(jni_ctx->output_offsets_ptr) = reinterpret_cast<int64_t>(offsets.data()); \
jni_ctx->output_intermediate_state_ptr->row_idx = 0; \
jni_ctx->output_intermediate_state_ptr->buffer_size = buffer_size; \
env->CallNonvirtualVoidMethodA(jni_ctx->executor, executor_cl_, executor_evaluate_id_, \
nullptr); \
while (jni_ctx->output_intermediate_state_ptr->row_idx < num_rows) { \
increase_buffer_size++; \
buffer_size = JniUtil::IncreaseReservedBufferSize(increase_buffer_size); \
chars.resize(buffer_size); \
*(jni_ctx->output_value_buffer) = reinterpret_cast<int64_t>(chars.data()); \
jni_ctx->output_intermediate_state_ptr->buffer_size = buffer_size; \
env->CallNonvirtualVoidMethodA(jni_ctx->executor, executor_cl_, executor_evaluate_id_, \
nullptr); \
} \
} else if (data_col->is_numeric() || data_col->is_column_decimal()) { \
data_col->resize(num_rows); \
*(jni_ctx->output_value_buffer) = \
reinterpret_cast<int64_t>(data_col->get_raw_data().data); \
env->CallNonvirtualVoidMethodA(jni_ctx->executor, executor_cl_, executor_evaluate_id_, \
nullptr); \
} else if (data_col->is_column_array()) { \
ColumnArray* array_col = assert_cast<ColumnArray*>(data_col.get()); \
ColumnNullable& array_nested_nullable = \
assert_cast<ColumnNullable&>(array_col->get_data()); \
auto data_column_null_map = array_nested_nullable.get_null_map_column_ptr(); \
auto data_column = array_nested_nullable.get_nested_column_ptr(); \
auto& offset_column = array_col->get_offsets_column(); \
int increase_buffer_size = 0; \
int64_t buffer_size = JniUtil::IncreaseReservedBufferSize(increase_buffer_size); \
offset_column.resize(num_rows); \
*(jni_ctx->output_offsets_ptr) = \
reinterpret_cast<int64_t>(offset_column.get_raw_data().data); \
data_column_null_map->resize(buffer_size); \
auto& null_map_data = \
assert_cast<ColumnVector<UInt8>*>(data_column_null_map.get())->get_data(); \
*(jni_ctx->output_array_null_ptr) = reinterpret_cast<int64_t>(null_map_data.data()); \
jni_ctx->output_intermediate_state_ptr->row_idx = 0; \
jni_ctx->output_intermediate_state_ptr->buffer_size = buffer_size; \
if (data_column->is_column_string()) { \
ColumnString* str_col = assert_cast<ColumnString*>(data_column.get()); \
ColumnString::Chars& chars = assert_cast<ColumnString::Chars&>(str_col->get_chars()); \
ColumnString::Offsets& offsets = \
assert_cast<ColumnString::Offsets&>(str_col->get_offsets()); \
chars.resize(buffer_size); \
offsets.resize(buffer_size); \
*(jni_ctx->output_value_buffer) = reinterpret_cast<int64_t>(chars.data()); \
*(jni_ctx->output_array_string_offsets_ptr) = \
reinterpret_cast<int64_t>(offsets.data()); \
env->CallNonvirtualVoidMethodA(jni_ctx->executor, executor_cl_, executor_evaluate_id_, \
nullptr); \
while (jni_ctx->output_intermediate_state_ptr->row_idx < num_rows) { \
increase_buffer_size++; \
buffer_size = JniUtil::IncreaseReservedBufferSize(increase_buffer_size); \
null_map_data.resize(buffer_size); \
chars.resize(buffer_size); \
offsets.resize(buffer_size); \
*(jni_ctx->output_array_null_ptr) = \
reinterpret_cast<int64_t>(null_map_data.data()); \
*(jni_ctx->output_value_buffer) = reinterpret_cast<int64_t>(chars.data()); \
*(jni_ctx->output_array_string_offsets_ptr) = \
reinterpret_cast<int64_t>(offsets.data()); \
jni_ctx->output_intermediate_state_ptr->buffer_size = buffer_size; \
env->CallNonvirtualVoidMethodA(jni_ctx->executor, executor_cl_, \
executor_evaluate_id_, nullptr); \
} \
} else { \
data_column->resize(buffer_size); \
*(jni_ctx->output_value_buffer) = \
reinterpret_cast<int64_t>(data_column->get_raw_data().data); \
env->CallNonvirtualVoidMethodA(jni_ctx->executor, executor_cl_, executor_evaluate_id_, \
nullptr); \
while (jni_ctx->output_intermediate_state_ptr->row_idx < num_rows) { \
increase_buffer_size++; \
buffer_size = JniUtil::IncreaseReservedBufferSize(increase_buffer_size); \
null_map_data.resize(buffer_size); \
data_column->resize(buffer_size); \
*(jni_ctx->output_array_null_ptr) = \
reinterpret_cast<int64_t>(null_map_data.data()); \
*(jni_ctx->output_value_buffer) = \
reinterpret_cast<int64_t>(data_column->get_raw_data().data); \
jni_ctx->output_intermediate_state_ptr->buffer_size = buffer_size; \
env->CallNonvirtualVoidMethodA(jni_ctx->executor, executor_cl_, \
executor_evaluate_id_, nullptr); \
} \
} \
} else { \
return Status::InvalidArgument(strings::Substitute( \
"Java UDF doesn't support return type $0 now !", return_type->get_name())); \
}
#endif
EVALUATE_JAVA_UDF;
block.replace_by_position(result,
ColumnNullable::create(std::move(data_col), std::move(null_col)));
} else {
*(jni_ctx->output_null_value) = -1;
auto data_col = return_type->create_column();
EVALUATE_JAVA_UDF;
block.replace_by_position(result, std::move(data_col));
}
return JniUtil::GetJniExceptionMsg(env);
}
Status JavaFunctionCall::close(FunctionContext* context,
FunctionContext::FunctionStateScope scope) {
JniContext* jni_ctx = reinterpret_cast<JniContext*>(
context->get_function_state(FunctionContext::THREAD_LOCAL));
// JNIContext own some resource and its release method depend on JavaFunctionCall
// has to release the resource before JavaFunctionCall is deconstructed.
if (jni_ctx) {
jni_ctx->close();
}
return Status::OK();
}
} // namespace doris::vectorized