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https://issues.apache.org/jira/browse/FLINK-22825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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徐州州 closed FLINK-22825.
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Resolution: Abandoned
> link sql1.13.1基于change log流数据join导致数据丢失
> ---------------------------------------
>
> Key: FLINK-22825
> URL: https://issues.apache.org/jira/browse/FLINK-22825
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Affects Versions: 1.12.0, 1.13.1
> Reporter: 徐州州
> Priority: Blocker
>
> |insert into dwd_order_detail
> |select
> | ord.Id,
> | ord.Code,
> | Status
> | concat(cast(ord.Id as String),if(oed.Id is null,'oed_null',cast(oed.Id as
> STRING)),DATE_FORMAT(LOCALTIMESTAMP,'yyyy-MM-dd')) as uuids,
> | TO_DATE(DATE_FORMAT(LOCALTIMESTAMP,'yyyy-MM-dd')) as As_Of_Date
> |from
> |orders ord
> |left join order_extend oed on ord.Id=oed.OrderId and oed.IsDeleted=0 and
> oed.CreateTime>CAST(DATE_FORMAT(LOCALTIMESTAMP,'yyyy-MM-dd') AS TIMESTAMP)
> |where ( ord.OrderTime>CAST(DATE_FORMAT(LOCALTIMESTAMP,'yyyy-MM-dd') AS
> TIMESTAMP)
> |or ord.ReviewTime>CAST(DATE_FORMAT(LOCALTIMESTAMP,'yyyy-MM-dd') AS TIMESTAMP)
> |or ord.RejectTime>CAST(DATE_FORMAT(LOCALTIMESTAMP,'yyyy-MM-dd') AS TIMESTAMP)
> |) and ord.IsDeleted=0;
> My upsert-kafka table for PRIMARY KEY for uuids.
> This is the logic of my kafka based canal-json stream data join and write to
> Upsert-kafka tables I confirm that version 1.12 also has this problem I just
> upgraded from 1.12 to 1.13.
> I look up a user s order data and order number XJ0120210531004794 in
> canal-json original table as U which is normal.
> | +U | XJ0120210531004794 | 50 |
> | +U | XJ0120210531004672 | 50 |
> But written to upsert-kakfa via join, the data consumed from upsert kafka is,
> | +I | XJ0120210531004794 | 50 |
> | -U | XJ0120210531004794 | 50 |
> The order is two records this sheet in orders and order_extend tables has not
> changed since created -U status caused my data loss not computed and the
> final result was wrong.
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