Github user cloud-fan commented on the issue:
https://github.com/apache/spark/pull/18346
`CodegenFallback` is never exposed to users, Spark doesn't have an official
API for customized expressions, it's all internal. You can develop customized
logical plan, physical plan, expression, but then it's your own responsibility
to maintain them, as you are using internal API.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
