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; `
93 lines
3.1 KiB
C++
93 lines
3.1 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 "operator.h"
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#include "vec/exec/vtable_function_node.h"
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namespace doris {
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namespace pipeline {
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class TableFunctionOperator;
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class TableFunctionOperatorBuilder : public OperatorBuilder {
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public:
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TableFunctionOperatorBuilder(int32_t id, vectorized::VTableFunctionNode* node)
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: OperatorBuilder(id, "TableFunctionOperatorBuilder", node), _node(node) {}
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OperatorPtr build_operator() override;
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private:
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vectorized::VTableFunctionNode* _node;
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};
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class TableFunctionOperator : public Operator {
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public:
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TableFunctionOperator(TableFunctionOperatorBuilder* operator_builder,
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vectorized::VTableFunctionNode* node)
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: Operator(operator_builder), _node(node) {}
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Status open(RuntimeState* state) override {
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RETURN_IF_ERROR(Operator::open(state));
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_child_block.reset(new vectorized::Block);
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return _node->alloc_resource(state);
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}
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Status close(RuntimeState* state) override {
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_node->release_resource(state);
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_fresh_exec_timer(_node);
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return Operator::close(state);
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}
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Status get_block(RuntimeState* state, vectorized::Block* block,
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SourceState& source_state) override {
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if (_node->need_more_input_data()) {
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RETURN_IF_ERROR(_child->get_block(state, _child_block.get(), _child_source_state));
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source_state = _child_source_state;
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if (_child_block->rows() == 0) {
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return Status::OK();
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}
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_node->push(state, _child_block.get(), source_state == SourceState::FINISHED);
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}
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bool eos = false;
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RETURN_IF_ERROR(_node->pull(state, block, &eos));
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if (eos) {
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source_state = SourceState::FINISHED;
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_child_block->clear_column_data();
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} else if (!_node->need_more_input_data()) {
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source_state = SourceState::MORE_DATA;
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} else {
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_child_block->clear_column_data();
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}
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return Status::OK();
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}
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private:
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vectorized::VTableFunctionNode* _node;
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std::unique_ptr<vectorized::Block> _child_block;
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SourceState _child_source_state;
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};
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OperatorPtr TableFunctionOperatorBuilder::build_operator() {
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return std::make_shared<TableFunctionOperator>(this, _node);
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}
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} // namespace pipeline
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} // namespace doris
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