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Vertical merge fix: don't forget to output last source_to_fully_copy [#CLICKHOUSE-3118]

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This commit is contained in:
Alexey Zatelepin 2017-07-14 22:06:40 +03:00
parent 13c8fe2400
commit b10e9d1f18
1 changed files with 1 additions and 1 deletions
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2
dbms/src/DataStreams/ColumnGathererStream.cpp
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@ -85,7 +85,7 @@ Block ColumnGathererStream::readImpl()
if (sources.empty())
init();
if (row_sources_buf.eof())
if (!source_to_fully_copy && row_sources_buf.eof())
return Block();
output_block = Block{column.cloneEmpty()};