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doris/be/src/pipeline/exec/exchange_source_operator.h

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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.
#pragma once
#include <stdint.h>
#include "operator.h"
#include "pipeline/pipeline_x/operator.h"
#include "vec/exec/vexchange_node.h"
namespace doris {
class ExecNode;
} // namespace doris
namespace vectorized {
class VDataStreamRecvr;
class Block;
} // namespace vectorized
namespace doris::pipeline {
class ExchangeSourceOperatorBuilder final : public OperatorBuilder<vectorized::VExchangeNode> {
public:
ExchangeSourceOperatorBuilder(int32_t id, ExecNode* exec_node);
bool is_source() const override { return true; }
OperatorPtr build_operator() override;
};
class ExchangeSourceOperator final : public SourceOperator<vectorized::VExchangeNode> {
public:
ExchangeSourceOperator(OperatorBuilderBase*, ExecNode*);
bool can_read() override;
bool is_pending_finish() const override;
};
class ExchangeSourceOperatorX;
class ExchangeLocalState final : public PipelineXLocalState<> {
ENABLE_FACTORY_CREATOR(ExchangeLocalState);
public:
using Base = PipelineXLocalState<>;
ExchangeLocalState(RuntimeState* state, OperatorXBase* parent);
Status init(RuntimeState* state, LocalStateInfo& info) override;
Status open(RuntimeState* state) override;
Status close(RuntimeState* state) override;
std::string debug_string(int indentation_level) const override;
std::vector<Dependency*> dependencies() const override {
std::vector<Dependency*> dep_vec;
std::for_each(deps.begin(), deps.end(),
[&](std::shared_ptr<Dependency> dep) { dep_vec.push_back(dep.get()); });
return dep_vec;
}
std::shared_ptr<doris::vectorized::VDataStreamRecvr> stream_recvr;
doris::vectorized::VSortExecExprs vsort_exec_exprs;
int64_t num_rows_skipped;
bool is_ready;
std::vector<std::shared_ptr<Dependency>> deps;
std::vector<RuntimeProfile::Counter*> metrics;
};
class ExchangeSourceOperatorX final : public OperatorX<ExchangeLocalState> {
public:
ExchangeSourceOperatorX(ObjectPool* pool, const TPlanNode& tnode, int operator_id,
const DescriptorTbl& descs, int num_senders);
Status init(const TPlanNode& tnode, RuntimeState* state) override;
Status prepare(RuntimeState* state) override;
Status open(RuntimeState* state) override;
Status get_block(RuntimeState* state, vectorized::Block* block, bool* eos) override;
std::string debug_string(int indentation_level = 0) const override;
Status close(RuntimeState* state) override;
[[nodiscard]] bool is_source() const override { return true; }
[[nodiscard]] RowDescriptor input_row_desc() const { return _input_row_desc; }
[[nodiscard]] int num_senders() const { return _num_senders; }
[[nodiscard]] bool is_merging() const { return _is_merging; }
DataDistribution required_data_distribution() const override {
if (OperatorX<ExchangeLocalState>::ignore_data_distribution()) {
return {ExchangeType::NOOP};
}
return _partition_type == TPartitionType::HASH_PARTITIONED
? DataDistribution(ExchangeType::HASH_SHUFFLE)
: _partition_type == TPartitionType::BUCKET_SHFFULE_HASH_PARTITIONED
? DataDistribution(ExchangeType::BUCKET_HASH_SHUFFLE)
: DataDistribution(ExchangeType::NOOP);
}
private:
friend class ExchangeLocalState;
const int _num_senders;
const bool _is_merging;
const TPartitionType::type _partition_type;
RowDescriptor _input_row_desc;
// use in merge sort
size_t _offset;
doris::vectorized::VSortExecExprs _vsort_exec_exprs;
std::vector<bool> _is_asc_order;
std::vector<bool> _nulls_first;
};
} // namespace doris::pipeline