12304bc0ee
Co-authored-by: Lijia Liu <liutang123@yeah.net> Co-authored-by: HappenLee <happenlee@hotmail.com> Co-authored-by: Jerry Hu <mrhhsg@gmail.com> Co-authored-by: Pxl <952130278@qq.com> Co-authored-by: shee <13843187+qzsee@users.noreply.github.com> Co-authored-by: Gabriel <gabrielleebuaa@gmail.com> ## Problem Summary: ### 1. Design DSIP: https://cwiki.apache.org/confluence/display/DORIS/DSIP-027%3A+Support+Pipeline+Exec+Engine ### 2. How to use: Set the environment variable `set enable_pipeline_engine = true; `
65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include <memory>
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#include "exec/exec_node.h"
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#include "vec/common/sort/vsort_exec_exprs.h"
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namespace doris {
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namespace pipeline {
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class ExchangeSourceOperator;
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}
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namespace vectorized {
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class VDataStreamRecvr;
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class VExchangeNode : public ExecNode {
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public:
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friend class doris::pipeline::ExchangeSourceOperator;
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VExchangeNode(ObjectPool* pool, const TPlanNode& tnode, const DescriptorTbl& descs);
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virtual ~VExchangeNode() {}
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virtual Status init(const TPlanNode& tnode, RuntimeState* state = nullptr) override;
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virtual Status prepare(RuntimeState* state) override;
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virtual Status alloc_resource(RuntimeState* state) override;
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virtual Status open(RuntimeState* state) override;
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virtual Status get_next(RuntimeState* state, RowBatch* row_batch, bool* eos) override;
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virtual Status get_next(RuntimeState* state, Block* row_batch, bool* eos) override;
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virtual void release_resource(RuntimeState* state) override;
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virtual Status close(RuntimeState* state) override;
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// Status collect_query_statistics(QueryStatistics* statistics) override;
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void set_num_senders(int num_senders) { _num_senders = num_senders; }
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private:
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int _num_senders;
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bool _is_merging;
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std::shared_ptr<VDataStreamRecvr> _stream_recvr;
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RowDescriptor _input_row_desc;
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std::shared_ptr<QueryStatisticsRecvr> _sub_plan_query_statistics_recvr;
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// use in merge sort
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size_t _offset;
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VSortExecExprs _vsort_exec_exprs;
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std::vector<bool> _is_asc_order;
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std::vector<bool> _nulls_first;
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};
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} // namespace vectorized
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} // namespace doris
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