81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
// 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.
|
|
|
|
#ifndef DORIS_BE_RUNTIME_RESULT_SINK_H
|
|
#define DORIS_BE_RUNTIME_RESULT_SINK_H
|
|
|
|
#include "common/status.h"
|
|
#include "exec/data_sink.h"
|
|
#include "gen_cpp/PaloInternalService_types.h"
|
|
#include "gen_cpp/PlanNodes_types.h"
|
|
|
|
namespace doris {
|
|
|
|
class ObjectPool;
|
|
class RowBatch;
|
|
class ObjectPool;
|
|
class RuntimeState;
|
|
class RuntimeProfile;
|
|
class BufferControlBlock;
|
|
class ExprContext;
|
|
class ResultWriter;
|
|
class MemTracker;
|
|
struct ResultFileOptions;
|
|
|
|
namespace vectorized {
|
|
class VExprContext;
|
|
}
|
|
|
|
class ResultSink : public DataSink {
|
|
public:
|
|
ResultSink(const RowDescriptor& row_desc, const std::vector<TExpr>& select_exprs,
|
|
const TResultSink& sink, int buffer_size);
|
|
virtual ~ResultSink();
|
|
virtual Status prepare(RuntimeState* state) override;
|
|
virtual Status open(RuntimeState* state) override;
|
|
// send data in 'batch' to this backend stream mgr
|
|
// Blocks until all rows in batch are placed in the buffer
|
|
virtual Status send(RuntimeState* state, RowBatch* batch) override;
|
|
// Flush all buffered data and close all existing channels to destination
|
|
// hosts. Further send() calls are illegal after calling close().
|
|
virtual Status close(RuntimeState* state, Status exec_status) override;
|
|
virtual RuntimeProfile* profile() override { return _profile; }
|
|
|
|
void set_query_statistics(std::shared_ptr<QueryStatistics> statistics) override;
|
|
|
|
private:
|
|
Status prepare_exprs(RuntimeState* state);
|
|
TResultSinkType::type _sink_type;
|
|
// set file options when sink type is FILE
|
|
std::unique_ptr<ResultFileOptions> _file_opts;
|
|
|
|
// Owned by the RuntimeState.
|
|
const RowDescriptor& _row_desc;
|
|
|
|
// Owned by the RuntimeState.
|
|
const std::vector<TExpr>& _t_output_expr;
|
|
std::vector<ExprContext*> _output_expr_ctxs;
|
|
|
|
std::shared_ptr<BufferControlBlock> _sender;
|
|
std::shared_ptr<ResultWriter> _writer;
|
|
RuntimeProfile* _profile; // Allocated from _pool
|
|
int _buf_size; // Allocated from _pool
|
|
};
|
|
|
|
} // namespace doris
|
|
#endif
|