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Update max_threads for processors.

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This commit is contained in:
Nikolai Kochetov 2019-08-30 17:21:22 +03:00
parent d6e13cbb92
commit 18fff141d1
1 changed files with 2 additions and 1 deletions
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3
dbms/src/Interpreters/InterpreterSelectQuery.cpp
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@ -1546,7 +1546,8 @@ void InterpreterSelectQuery::executeFetchColumns(
if constexpr (pipeline_with_processors) if constexpr (pipeline_with_processors)
{ {
pipeline.setMaxThreads(streams.size()); if (streams.size() == 1)
pipeline.setMaxThreads(streams.size());
/// Unify streams. They must have same headers. /// Unify streams. They must have same headers.
if (streams.size() > 1) if (streams.size() > 1)