alamb opened a new pull request, #17981: URL: https://github.com/apache/datafusion/pull/17981
## Which issue does this PR close? - Related to https://github.com/apache/datafusion/issues/17801 ## Rationale for this change While chasing down a bug related to planning, the root cause, as @pepijnve points out in https://github.com/apache/datafusion/pull/17813#issuecomment-3372775137 is that a call to `simplify` changed the schema (in this case it changed the nullability). Let's make it clear in the documentation of `simplify` must not change the expressions schema otherwise errors downstream may result ## What changes are included in this PR? Add additional note to docs ## Are these changes tested? CI ## Are there any user-facing changes? More docs. No functional changes -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
