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Use fixed_granularity as upper bound for adaptive granularity

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alesapin 2019-04-18 18:06:45 +03:00
parent ab27970fd7
commit d812ae7024
1 changed files with 3 additions and 0 deletions
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dbms/src/Storages/MergeTree/MergedBlockOutputStream.cpp
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@ -136,6 +136,9 @@ void fillIndexGranularityImpl(
if (index_granularity_for_block == 0) /// very rare case when index granularity bytes less then single row
index_granularity_for_block = 1;
/// We should be less or equal than fixed index granularity
index_granularity_for_block = std::min(fixed_index_granularity_rows, index_granularity_for_block);
for (size_t current_row = index_offset; current_row < rows_in_block; current_row += index_granularity_for_block)
index_granularity.appendMark(index_granularity_for_block);