Blizzara opened a new pull request, #12098:
URL: https://github.com/apache/datafusion/pull/12098

   ## Which issue does this PR close?
   
   ## Rationale for this change
   
   While calling `with_alias` on `MakeArray`, we noticed some weird type 
failures:
   ```
   Error: Error(Inner { cause: Context("type_coercion", Plan("Coercion from 
[Int32, Int32, Int32] to the signature OneOf([UserDefined, Any(0)]) failed.
   ```
   That turned out to be because the 
[AliasedScalarUDFImpl](https://github.com/apache/datafusion/blob/89677ae66ec2238ffd58de8c36fe6030fad458fa/datafusion/expr/src/udf.rs#L603)
 doesn't implement `coerce_types`, so instead of using 
`MakeArray::coerce_types` we'd end up using the default implementation of 
ScalarUDFImpl which just 
[throws](https://github.com/apache/datafusion/blob/89677ae66ec2238ffd58de8c36fe6030fad458fa/datafusion/expr/src/udf.rs#L553)
 (that throw is then [ignored later 
on](https://github.com/apache/datafusion/blob/89677ae66ec2238ffd58de8c36fe6030fad458fa/datafusion/expr/src/type_coercion/functions.rs#L176),
 making this a bit hard to debug).
   
   ## What changes are included in this PR?
   
   Implement the full set of functions in 
Aliased[Scalar/Aggregate/Window]FunctionUDFImpl to pass through to inner UDF.
   
   ## Are these changes tested?
   
   No.. any ideas on how to smartly test these? I can add a simple test for the 
case we hit somewhere, but is there any generic way of guaranteeing that the 
aliased versions re-implement all of the *UDFImpl methods?
   
   ## Are there any user-facing changes?
   
   Mostly just fixes
   


-- 
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

Reply via email to