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https://issues.apache.org/jira/browse/FLINK-20471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17244459#comment-17244459
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sadfdddd commented on FLINK-20471:
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Thank you for your reply and reminder
> flink1.10SQL Precision overflow return null when using decimal
> --------------------------------------------------------------
>
> Key: FLINK-20471
> URL: https://issues.apache.org/jira/browse/FLINK-20471
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API, Table SQL / Runtime
> Affects Versions: 1.10.1
> Reporter: sadfdddd
> Priority: Major
> Attachments: image-2020-12-03-21-47-31-755.png,
> image-2020-12-03-21-48-44-901.png, image-2020-12-03-21-49-40-529.png,
> image-2020-12-03-21-50-11-117.png
>
>
> h2. flink1.10SQL Precision overflow return null when using decimal
> this is my code
> !image-2020-12-03-21-47-31-755.png|width=835,height=435!
> !image-2020-12-03-21-48-44-901.png!
> The calculation result is null
> Dubug discovery
> {color:#de350b}in codegen code this method is called{color}
> !image-2020-12-03-21-49-40-529.png!
> {color:#de350b}in this method{color}
> !image-2020-12-03-21-50-11-117.png!
> will get a 39 precision decimal result,
> So null is returned
> My idea of modification is to cut the precision here or provide the
> configuration entry of precision
> Maybe you can consider assigning it to me to fix it
>
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