Jefffrey opened a new issue, #17291: URL: https://github.com/apache/datafusion/issues/17291
### Is your feature request related to a problem or challenge? Original discussion: https://github.com/apache/datafusion/pull/17179#discussion_r2289772160 It's hard to specify a type signature that includes an arbitrarily sized `FixedSizeBinary` as would need to specify each and every size; ideally would be solved by a wildcard, similar to how it's handled for `FixedSizeList`: Wildcard: https://github.com/apache/datafusion/blob/f363e382661a4f45dad2912e9988f1703e46939b/datafusion/expr-common/src/signature.rs#L41-L44 How wildcard is used: https://github.com/apache/datafusion/blob/f363e382661a4f45dad2912e9988f1703e46939b/datafusion/expr/src/type_coercion/functions.rs#L877-L889 ### Describe the solution you'd like Introduce a wildcard const for `FixedSizeBinary` to use during coercion ### Describe alternatives you've considered _No response_ ### Additional context Fix any type signatures that use `FixedSizeBinary` to use this new wildcard, for example in #17179 code -- 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.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