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https://issues.apache.org/jira/browse/FLINK-10689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16672778#comment-16672778
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xueyu commented on FLINK-10689:
-------------------------------
Thanks [~phoenixjiangnan],
It looks that _org.apache.flink.table.functions.ScalarFunction_ seems depend on
table _Expression_ . Do we need to migrate ScalarFunction to avoid Expression
depend or any other suggestions? I am not sure whether I understand correctly..
thanks, [~twalthr][~phoenixjiangnan]
{code:java}
final def apply(params: Expression*): Expression = {
ScalarFunctionCall(this, params)
}
{code}
> Port UDFs in Table API extension points to flink-table-common
> -------------------------------------------------------------
>
> Key: FLINK-10689
> URL: https://issues.apache.org/jira/browse/FLINK-10689
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: Timo Walther
> Assignee: xueyu
> Priority: Major
> Fix For: 1.8.0
>
>
> After FLINK-10687 and FLINK-10688 have been resolved, we should also port the
> remaining extension points of the Table API to flink-table-common. This
> includes interfaces for UDFs and the external catalog interface.
> This ticket is for porting UDFs. This jira does NOT depend on FLINK-16088 so
> it can be started at anytime.
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