82f421a019
This PR mainly changes:
1. Fix bug when enable `transfer_data_by_brpc_attachment`
In `data_stream_sender`, we will send a serialized PRowBatch data to multiple Channels.
And if `transfer_data_by_brpc_attachment` is enabled, we will mistakenly clear the data in PRowBatch
after sending PRowBatch to the first Channel.
As a result, the following Channel cannot receive the correct data, causing an error.
So I use a separate buffer instead of `tuple_data` in PRowBatch to store the serialized data
and reuse it in multiple channels.
2. Fix bug that the the offset in serialized row batch may overflow
Use int64 to replace int32 offset. And for compatibility, add a new field `new_tuple_offsets` in PRowBatch.
85 lines
2.4 KiB
C++
85 lines
2.4 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 "common/status.h"
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#include "exec/data_sink.h"
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#include "gen_cpp/DorisExternalService_types.h"
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#include "gen_cpp/PlanNodes_types.h"
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#include "runtime/result_queue_mgr.h"
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#include "util/blocking_queue.hpp"
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namespace arrow {
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class MemoryPool;
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class RecordBatch;
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class Schema;
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} // namespace arrow
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namespace doris {
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class ObjectPool;
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class RowBatch;
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class ObjectPool;
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class RuntimeState;
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class RuntimeProfile;
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class BufferControlBlock;
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class ExprContext;
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class ResultWriter;
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class MemTracker;
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class TupleRow;
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// used to push data to blocking queue
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class MemoryScratchSink : public DataSink {
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public:
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MemoryScratchSink(const RowDescriptor& row_desc, const std::vector<TExpr>& select_exprs,
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const TMemoryScratchSink& sink);
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virtual ~MemoryScratchSink();
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virtual Status prepare(RuntimeState* state);
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virtual Status open(RuntimeState* state);
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// send data in 'batch' to this backend queue mgr
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// Blocks until all rows in batch are pushed to the queue
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virtual Status send(RuntimeState* state, RowBatch* batch);
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virtual Status close(RuntimeState* state, Status exec_status);
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virtual RuntimeProfile* profile() { return _profile; }
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private:
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Status prepare_exprs(RuntimeState* state);
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ObjectPool* _obj_pool;
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// Owned by the RuntimeState.
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const RowDescriptor& _row_desc;
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std::shared_ptr<arrow::Schema> _arrow_schema;
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BlockQueueSharedPtr _queue;
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RuntimeProfile* _profile; // Allocated from _pool
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// Owned by the RuntimeState.
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const std::vector<TExpr>& _t_output_expr;
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std::vector<ExprContext*> _output_expr_ctxs;
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};
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} // namespace doris
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