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StorageBuffer: don't return empty blocks to read [#METR-20540].

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This commit is contained in:
Alexey Milovidov 2016-03-22 02:04:50 +03:00
parent a0de151a9f
commit 114713a9c3
1 changed files with 1 additions and 1 deletions
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2
dbms/src/Storages/StorageBuffer.cpp
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@ -86,7 +86,7 @@ protected:
std::lock_guard<std::mutex> lock(buffer.mutex);
if (!buffer.data)
if (!buffer.data.rowsInFirstColumn())
return res;
for (const auto & name : column_names)