alamb commented on issue #17445: URL: https://github.com/apache/datafusion/issues/17445#issuecomment-3270761582
I suspect that whatever is writing dictionary arrays is using a key type that is too small for the number of distinct values. For example, using a `Dict(Int8, Utf8)` to store a column with 1000 distinct values (where the type can only store 256 distinct values) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org
