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doris/be/src/pipeline/exec/select_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/vselect_node.h"
namespace doris {
class ExecNode;
namespace pipeline {
class SelectOperatorBuilder final : public OperatorBuilder<vectorized::VSelectNode> {
public:
SelectOperatorBuilder(int32_t id, ExecNode* select_node);
OperatorPtr build_operator() override;
};
class SelectOperator final : public StreamingOperator<vectorized::VSelectNode> {
public:
SelectOperator(OperatorBuilderBase* operator_builder, ExecNode* select_node);
};
class SelectOperatorX;
class SelectLocalState final : public PipelineXLocalState<FakeSharedState> {
public:
ENABLE_FACTORY_CREATOR(SelectLocalState);
SelectLocalState(RuntimeState* state, OperatorXBase* parent)
: PipelineXLocalState<FakeSharedState>(state, parent) {}
~SelectLocalState() = default;
private:
friend class SelectOperatorX;
};
class SelectOperatorX final : public StreamingOperatorX<SelectLocalState> {
public:
SelectOperatorX(ObjectPool* pool, const TPlanNode& tnode, int operator_id,
const DescriptorTbl& descs)
: StreamingOperatorX<SelectLocalState>(pool, tnode, operator_id, descs) {}
Status pull(RuntimeState* state, vectorized::Block* block, bool* eos) override {
auto& local_state = get_local_state(state);
SCOPED_TIMER(local_state.exec_time_counter());
RETURN_IF_CANCELLED(state);
RETURN_IF_ERROR(vectorized::VExprContext::filter_block(local_state._conjuncts, block,
block->columns()));
local_state.reached_limit(block, eos);
return Status::OK();
}
[[nodiscard]] bool is_source() const override { return false; }
};
} // namespace pipeline
} // namespace doris