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This commit is contained in:
Nikolai Kochetov 2021-06-15 12:59:02 +03:00
parent b6fc471270
commit 36e8c82161
1 changed files with 2 additions and 0 deletions
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2
src/Functions/in.cpp
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@ -130,6 +130,8 @@ public:
else
columns_of_key_columns.insert(left_arg);
/// Replace single LowCardinality column to it's dictionary if possible.
/// It is good enough optimization, but it does not use LowCardinality cache.
ColumnPtr lc_indexes = nullptr;
if (columns_of_key_columns.columns() == 1)
{