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From "Kurt Young (Jira)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-24054) Let SinkUpsertMaterializer emit +U instead of only +I
Date Tue, 31 Aug 2021 08:23:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-24054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17407171#comment-17407171
] 

Kurt Young commented on FLINK-24054:
------------------------------------

In most cases, +I and -D are easier to handle, and are equivalant with +U and -U

Is it worth to treat this as blocker bug? I'm not even sure if this is a bug.

> Let SinkUpsertMaterializer emit +U instead of only +I
> -----------------------------------------------------
>
>                 Key: FLINK-24054
>                 URL: https://issues.apache.org/jira/browse/FLINK-24054
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / Runtime
>            Reporter: Timo Walther
>            Assignee: Timo Walther
>            Priority: Blocker
>             Fix For: 1.14.0
>
>
> Currently, {{SinkUpsertMaterializer}} is not able to emit +U's but will always emit +I's.
Thus, resulting changelogs are incorrect strictly speaking and only valid when treating +U
and +I as similar changes in downstream operators.



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