[
https://issues.apache.org/jira/browse/CALCITE-1867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16216077#comment-16216077
]
Julian Hyde commented on CALCITE-1867:
--------------------------------------
At https://github.com/apache/calcite/pull/549 [~twalthr] wrote:
bq. This PR allows to creating additional grouped window functions. I chose
SqlGroupedWindowFunction as a new name that also complies with the Java docs.
This PR does not fully implement CALCITE-1867 (custom AuxiliaryConverter
functionality is still missing), but solves most of the problems we have at
Apache Flink.
I'm reviewing and testing
https://github.com/apache/calcite/pull/549/commits/a18cbaa23f6c04570eb888ffdf345c6375604640
now.
> Allow creating additional SqlGroupFunctions
> -------------------------------------------
>
> Key: CALCITE-1867
> URL: https://issues.apache.org/jira/browse/CALCITE-1867
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Timo Walther
> Assignee: Julian Hyde
>
> In Flink we want to create additional group auxiliary functions (such as
> {{TUMBLE_ROWTIME(), TUMBLE_PROCTIME()}}).
> Unfortunately, {{SqlGroupFunction}} and its methods are package-private which
> prevents us from adding custom functions. Also {{AuxiliaryConverter}} limits
> because it is statically defined and not pluggable.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
