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https://issues.apache.org/jira/browse/BEAM-10925?focusedWorklogId=512592&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-512592
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ASF GitHub Bot logged work on BEAM-10925:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 16/Nov/20 21:09
Start Date: 16/Nov/20 21:09
Worklog Time Spent: 10m
Work Description: kennknowles commented on pull request #13306:
URL: https://github.com/apache/beam/pull/13306#issuecomment-728330950
CombineFn is stable, but UDAF is not. One example is that a UDAF has to have
a SQL type. Right now this is not represented on the UDAF object but is
implied. That might change. Personally, I would make the type part of the UDAF
object. If you look at any other SQL product's definition of UDAFs you will see
lots of extra metadata
([postgresql](https://www.postgresql.org/docs/9.5/sql-createaggregate.html),
[mssql](https://docs.microsoft.com/en-us/sql/t-sql/statements/create-aggregate-transact-sql?view=sql-server-ver15)).
A decoupled interface and trivial wrapper have obvious benefits and no real
downside.
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Issue Time Tracking
-------------------
Worklog Id: (was: 512592)
Time Spent: 12h 20m (was: 12h 10m)
> ZetaSQL: Support Java UDF
> -------------------------
>
> Key: BEAM-10925
> URL: https://issues.apache.org/jira/browse/BEAM-10925
> Project: Beam
> Issue Type: New Feature
> Components: dsl-sql-zetasql
> Reporter: Kyle Weaver
> Assignee: Kyle Weaver
> Priority: P2
> Time Spent: 12h 20m
> Remaining Estimate: 0h
>
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