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Update InterpreterSelectQuery.cpp

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alexey-milovidov 2019-05-05 23:29:17 +03:00 committed by GitHub
parent 125fce3303
commit e1158f53ad
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1 changed files with 8 additions and 12 deletions
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20
dbms/src/Interpreters/InterpreterSelectQuery.cpp
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@ -1432,7 +1432,7 @@ static SortDescription getSortDescription(const ASTSelectQuery & query)
}
void InterpreterSelectQuery::executeOrder(Pipeline & pipeline, SelectQueryInfo& query_info)
void InterpreterSelectQuery::executeOrder(Pipeline & pipeline, SelectQueryInfo & query_info)
{
auto & query = getSelectQuery();
SortDescription order_descr = getSortDescription(query);
@ -1440,7 +1440,7 @@ void InterpreterSelectQuery::executeOrder(Pipeline & pipeline, SelectQueryInfo&
UInt64 limit = getLimitForSorting(query, context);
const Settings & settings = context.getSettingsRef();
const auto& order_direction = order_descr.at(0).direction;
const auto & order_direction = order_descr.at(0).direction;
auto optimize_pk_order = [&](auto & merge_tree)
{
@ -1456,7 +1456,8 @@ void InterpreterSelectQuery::executeOrder(Pipeline & pipeline, SelectQueryInfo&
{
need_sorting = true;
break;
} else
}
else
{
prefix_order_descr.push_back(order_descr[i]);
}
@ -1490,20 +1491,15 @@ void InterpreterSelectQuery::executeOrder(Pipeline & pipeline, SelectQueryInfo&
}
executeUnion(pipeline);
pipeline.firstStream() = std::make_shared<MergeSortingBlockInputStream>(
pipeline.firstStream(), order_descr, settings.max_block_size, limit,
settings.max_bytes_before_remerge_sort,
settings.max_bytes_before_external_sort, context.getTemporaryPath());
pipeline.firstStream(), order_descr, settings.max_block_size, limit,
settings.max_bytes_before_remerge_sort,
settings.max_bytes_before_external_sort, context.getTemporaryPath());
};
if (settings.optimize_pk_order)
{
if (const StorageMergeTree * merge_tree = dynamic_cast<const StorageMergeTree *>(storage.get()))
{
if (const auto * merge_tree = dynamic_cast<const MergeTreeData *>(storage.get()))
optimize_pk_order(*merge_tree);
} else if (const StorageReplicatedMergeTree * replicated_merge_tree = dynamic_cast<const StorageReplicatedMergeTree *>(storage.get()))
{
optimize_pk_order(*replicated_merge_tree);
}
return;
}