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fixed reading with zero max block size setting

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Nikolai Kochetov 2017-07-11 21:52:57 +03:00 committed by alexey-milovidov
parent 8ea812e669
commit e2d032b883
1 changed files with 1 additions and 1 deletions
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dbms/src/Storages/MergeTree/MergeTreeBaseBlockInputStream.cpp
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@ -84,7 +84,7 @@ Block MergeTreeBaseBlockInputStream::readFromPart()
MergeTreeReadTask & task, MergeTreeRangeReader & reader)
{
if (!task.size_predictor)
return max_block_size_rows;
return std::max(1, max_block_size_rows);
size_t rows_to_read_for_block = task.size_predictor->estimateNumRows(preferred_block_size_bytes);
size_t rows_to_read_for_max_size_column