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Fix build.

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This commit is contained in:
Nikolai Kochetov 2020-02-17 14:50:53 +03:00
parent f4d5175a12
commit bbdac39d2d
1 changed files with 13 additions and 3 deletions
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14
dbms/src/Storages/StorageMerge.cpp
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@ -310,14 +310,24 @@ Pipes StorageMerge::createSources(const SelectQueryInfo & query_info, const Quer
modified_context.getSettingsRef().max_streams_to_max_threads_ratio = 1;
InterpreterSelectQuery interpreter{modified_query_info.query, modified_context, SelectQueryOptions(processed_stage)};
if (query_info.force_tree_shaped_pipeline)
{
BlockInputStreamPtr stream = std::make_shared<MaterializingBlockInputStream>(interpreter.execute().in);
Pipe pipe(std::make_shared<SourceFromInputStream>(std::move(stream)));
pipes.emplace_back(std::move(pipe));
}
else
{
Pipe pipe = interpreter.executeWithProcessors().getPipe();
pipes.emplace_back(std::move(pipe));
}
/** Materialization is needed, since from distributed storage the constants come materialized.
* If you do not do this, different types (Const and non-Const) columns will be produced in different threads,
* And this is not allowed, since all code is based on the assumption that in the block stream all types are the same.
*/
pipe.addSimpleTransform(std::make_shared<MaterializingTransform>(pipe.getHeader()));
pipes.emplace_back(std::move(pipe));
pipes.back().addSimpleTransform(std::make_shared<MaterializingTransform>(pipes.back().getHeader()));
}
if (!pipes.empty())