Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/1747#discussion_r54580909
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/codegen/calls/ScalarFunctions.scala
---
@@ -49,6 +49,11 @@ object ScalarFunctions {
STRING_TYPE_INFO,
BuiltInMethod.SUBSTRING.method)
+ addSqlFunctionTrim(
--- End diff --
Can you briefly explain why `TRIM` cannot be handled as a generic SQL
method like `SUBSTRING` and requires its own `TrimCallGenerator`?
---
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.
---
