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Fix crash when adding empty tuple to query cache
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@ -711,7 +711,13 @@ void ColumnTuple::takeDynamicStructureFromSourceColumns(const Columns & source_c
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ColumnPtr ColumnTuple::compress() const
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{
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if (columns.empty())
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return Ptr();
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{
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return ColumnCompressed::create(size(), 0,
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[n = column_length]
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{
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return ColumnTuple::create(n);
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});
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}
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size_t byte_size = 0;
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Columns compressed;
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@ -0,0 +1,2 @@
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() 0
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() 0
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@ -0,0 +1,2 @@
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SELECT tuple(), 0 FROM numbers(1) SETTINGS use_query_cache = true;
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SELECT tuple(), 0 FROM numbers(1) SETTINGS use_query_cache = true;
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