HIVE-29432: Autogather column statistics missing for tables containing a column with an unsupported type#6374
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thomasrebele
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kasakrisz
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HIVE-29432
What changes were proposed in this pull request?
When the column statistics are calculated, skip the columns with unsupported types, but calculate the statistics for all supported types.
Why are the changes needed?
If a table contains a column of certain types (union, struct, list, but also TIMESTAMP WITH LOCAL TIME ZONE), then no column statistics are gathered.
Does this PR introduce any user-facing change?
No.
How was this patch tested?
I've added a q file test.