101 lines
3.5 KiB
C++
101 lines
3.5 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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#include "runtime/result_sink.h"
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#include "common/config.h"
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#include "util/uid_util.h"
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#include "exprs/expr.h"
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#include "runtime/row_batch.h"
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#include "runtime/runtime_state.h"
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#include "runtime/exec_env.h"
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#include "runtime/result_buffer_mgr.h"
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#include "runtime/buffer_control_block.h"
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#include "runtime/result_writer.h"
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#include "runtime/mem_tracker.h"
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namespace doris {
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ResultSink::ResultSink(const RowDescriptor& row_desc, const std::vector<TExpr>& t_output_expr,
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const TResultSink& sink, int buffer_size)
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: _row_desc(row_desc),
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_t_output_expr(t_output_expr),
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_buf_size(buffer_size) {
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}
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ResultSink::~ResultSink() {
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}
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Status ResultSink::prepare_exprs(RuntimeState* state) {
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// From the thrift expressions create the real exprs.
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RETURN_IF_ERROR(Expr::create_expr_trees(
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state->obj_pool(), _t_output_expr, &_output_expr_ctxs));
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// Prepare the exprs to run.
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RETURN_IF_ERROR(Expr::prepare(
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_output_expr_ctxs, state, _row_desc, _expr_mem_tracker.get()));
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return Status::OK();
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}
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Status ResultSink::prepare(RuntimeState* state) {
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RETURN_IF_ERROR(DataSink::prepare(state));
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std::stringstream title;
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title << "DataBufferSender (dst_fragment_instance_id=" << print_id(state->fragment_instance_id()) << ")";
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// create profile
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_profile = state->obj_pool()->add(new RuntimeProfile(state->obj_pool(), title.str()));
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// prepare output_expr
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RETURN_IF_ERROR(prepare_exprs(state));
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// create sender
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RETURN_IF_ERROR(state->exec_env()->result_mgr()->create_sender(
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state->fragment_instance_id(), _buf_size, &_sender));
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// create writer
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_writer.reset(new(std::nothrow) ResultWriter(_sender.get(), _output_expr_ctxs));
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RETURN_IF_ERROR(_writer->init(state));
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return Status::OK();
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}
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Status ResultSink::open(RuntimeState* state) {
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return Expr::open(_output_expr_ctxs, state);
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}
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Status ResultSink::send(RuntimeState* state, RowBatch* batch) {
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return _writer->append_row_batch(batch);
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}
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Status ResultSink::close(RuntimeState* state, Status exec_status) {
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if (_closed) {
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return Status::OK();
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}
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// close sender, this is normal path end
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if (_sender) {
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_sender->close(exec_status);
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}
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state->exec_env()->result_mgr()->cancel_at_time(time(NULL) + config::result_buffer_cancelled_interval_time,
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state->fragment_instance_id());
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Expr::close(_output_expr_ctxs, state);
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_closed = true;
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return Status::OK();
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}
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void ResultSink::set_query_statistics(std::shared_ptr<QueryStatistics> statistics) {
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_sender->set_query_statistics(statistics);
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}
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}
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/* vim: set ts=4 sw=4 sts=4 tw=100 : */
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