51 lines
1.8 KiB
C++
51 lines
1.8 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 "exec/aggregation_node.h"
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#include "exec/hash_table.hpp"
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#include "runtime/row_batch.h"
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#include "runtime/runtime_state.h"
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#include "runtime/tuple.h"
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#include "runtime/tuple_row.h"
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namespace doris {
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void AggregationNode::process_row_batch_no_grouping(RowBatch* batch, MemPool* pool) {
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for (int i = 0; i < batch->num_rows(); ++i) {
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update_tuple(_singleton_output_tuple, batch->get_row(i));
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}
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}
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void AggregationNode::process_row_batch_with_grouping(RowBatch* batch, MemPool* pool) {
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for (int i = 0; i < batch->num_rows(); ++i) {
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TupleRow* row = batch->get_row(i);
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Tuple* agg_tuple = NULL;
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HashTable::Iterator it = _hash_tbl->find(row);
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if (it.at_end()) {
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agg_tuple = construct_intermediate_tuple();
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_hash_tbl->insert(reinterpret_cast<TupleRow*>(&agg_tuple));
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} else {
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agg_tuple = it.get_row()->get_tuple(0);
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}
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update_tuple(agg_tuple, row);
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}
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}
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} // namespace doris
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