Comments (5)
UnamedRus
commented on May 26, 2024
It's "OK"
It's how LowCardinality behave, it apply function on dictionary and return another dictionary:
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handgunman
commented on May 26, 2024
But just then an error is thrown about what is not recommended to do LowCardinality(Int32)
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UnamedRus
commented on May 26, 2024
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handgunman
commented on May 26, 2024
Yes, the same
When I do a view the result is
DB::Exception: Creating columns of type LowCardinality(Int32) is prohibited by default due to expected negative impact on performance. It can be enabled with the "allow_suspicious_low_cardinality_types" setting.. (SUSPICIOUS_TYPE_FOR_LOW_CARDINALITY)
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handgunman
commented on May 26, 2024
finally I do dictGet('dict','field',item::String)
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