6c6380969b
1. replace all boost::shared_ptr to std::shared_ptr 2. replace all boost::scopted_ptr to std::unique_ptr 3. replace all boost::scoped_array to std::unique<T[]> 4. replace all boost:thread to std::thread
99 lines
3.4 KiB
C++
99 lines
3.4 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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#ifndef DORIS_BE_SRC_QUERY_EXEC_DATA_SINK_H
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#define DORIS_BE_SRC_QUERY_EXEC_DATA_SINK_H
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#include <vector>
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#include "common/status.h"
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#include "gen_cpp/DataSinks_types.h"
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#include "gen_cpp/Exprs_types.h"
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#include "runtime/descriptors.h"
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#include "runtime/mem_tracker.h"
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#include "runtime/query_statistics.h"
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namespace doris {
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class ObjectPool;
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class RowBatch;
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class RuntimeProfile;
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class RuntimeState;
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class TPlanExecRequest;
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class TPlanExecParams;
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class TPlanFragmentExecParams;
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class RowDescriptor;
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// Superclass of all data sinks.
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class DataSink {
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public:
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DataSink() : _closed(false) {}
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virtual ~DataSink() {}
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virtual Status init(const TDataSink& thrift_sink);
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// Setup. Call before send(), Open(), or Close().
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// Subclasses must call DataSink::Prepare().
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virtual Status prepare(RuntimeState* state);
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// Setup. Call before send() or close().
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virtual Status open(RuntimeState* state) = 0;
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// Send a row batch into this sink.
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// eos should be true when the last batch is passed to send()
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virtual Status send(RuntimeState* state, RowBatch* batch) = 0;
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// virtual Status send(RuntimeState* state, RowBatch* batch, bool eos) = 0;
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// Releases all resources that were allocated in prepare()/send().
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// Further send() calls are illegal after calling close().
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// It must be okay to call this multiple times. Subsequent calls should
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// be ignored.
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virtual Status close(RuntimeState* state, Status exec_status) {
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_expr_mem_tracker.reset();
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_closed = true;
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return Status::OK();
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}
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// Creates a new data sink from thrift_sink. A pointer to the
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// new sink is written to *sink, and is owned by the caller.
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static Status create_data_sink(ObjectPool* pool, const TDataSink& thrift_sink,
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const std::vector<TExpr>& output_exprs,
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const TPlanFragmentExecParams& params,
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const RowDescriptor& row_desc, bool is_vec,
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std::unique_ptr<DataSink>* sink, DescriptorTbl& desc_tbl);
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// Returns the runtime profile for the sink.
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virtual RuntimeProfile* profile() = 0;
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virtual void set_query_statistics(std::shared_ptr<QueryStatistics> statistics) {
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_query_statistics = statistics;
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}
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protected:
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// Set to true after close() has been called. subclasses should check and set this in
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// close().
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bool _closed;
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std::shared_ptr<MemTracker> _expr_mem_tracker;
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std::string _name;
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// Maybe this will be transferred to BufferControlBlock.
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std::shared_ptr<QueryStatistics> _query_statistics;
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};
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} // namespace doris
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#endif
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