Github user tonycox commented on the issue:
https://github.com/apache/flink/pull/2686
Hi @wuchong
I agree that users can cast types manually. And that
BuiltInMethods.POWER_DEC should be bound power(double, BigDecimal), but it's
trouble of Calcite https://issues.apache.org/jira/browse/CALCITE-1467?filter=-2
---
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.
---
