78 lines
2.7 KiB
C++
78 lines
2.7 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 "exec/exec_node.h"
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namespace doris {
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class ObjectPool;
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class TPlanNode;
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class DescriptorTbl;
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class RuntimeState;
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class Status;
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namespace vectorized {
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class VExprContext;
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class VRepeatNode : public ExecNode {
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public:
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VRepeatNode(ObjectPool* pool, const TPlanNode& tnode, const DescriptorTbl& descs);
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~VRepeatNode() override = default;
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Status init(const TPlanNode& tnode, RuntimeState* state = nullptr) override;
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Status prepare(RuntimeState* state) override;
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Status alloc_resource(RuntimeState* state) override;
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Status open(RuntimeState* state) override;
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void release_resource(RuntimeState* state) override;
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Status get_next(RuntimeState* state, Block* block, bool* eos) override;
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Status close(RuntimeState* state) override;
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Status pull(RuntimeState* state, vectorized::Block* output_block, bool* eos) override;
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Status push(RuntimeState* state, vectorized::Block* input_block, bool eos) override;
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bool need_more_input_data();
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Block* get_child_block() { return &_child_block; }
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protected:
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virtual void debug_string(int indentation_level, std::stringstream* out) const override;
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private:
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Status get_repeated_block(Block* child_block, int repeat_id_idx, Block* output_block);
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// Slot id set used to indicate those slots need to set to null.
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std::vector<std::set<SlotId>> _slot_id_set_list;
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// all slot id
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std::set<SlotId> _all_slot_ids;
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// An integer bitmap list, it indicates the bit position of the exprs not null.
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std::vector<int64_t> _repeat_id_list;
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std::vector<std::vector<int64_t>> _grouping_list;
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TupleId _output_tuple_id;
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const TupleDescriptor* _output_tuple_desc;
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Block _child_block;
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std::unique_ptr<Block> _intermediate_block {};
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std::vector<SlotDescriptor*> _output_slots;
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std::vector<VExprContext*> _expr_ctxs;
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bool _child_eos;
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int _repeat_id_idx;
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};
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} // namespace vectorized
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} // namespace doris
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