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dbms: slightly lowered memory usage of distributed aggregation [#METR-2944].

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This commit is contained in:
Alexey Milovidov 2015-01-28 02:02:05 +03:00
parent 8a61f96d67
commit 91b10d0820
1 changed files with 6 additions and 0 deletions
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6
dbms/src/Interpreters/Aggregator.cpp
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@ -1365,6 +1365,9 @@ void NO_INLINE Aggregator::mergeStreamsImpl(
Method::getAggregateData(it->second) + offsets_of_aggregate_states[j],
(*aggregate_columns[j])[i]);
}
/// Пораньше освобождаем память.
block.clear();
}
void NO_INLINE Aggregator::mergeWithoutKeyStreamsImpl(
@ -1387,6 +1390,9 @@ void NO_INLINE Aggregator::mergeWithoutKeyStreamsImpl(
/// Добавляем значения
for (size_t i = 0; i < aggregates_size; ++i)
aggregate_functions[i]->merge(res + offsets_of_aggregate_states[i], (*aggregate_columns[i])[0]);
/// Пораньше освобождаем память.
block.clear();
}