[jira] [Updated] (FLINK-17657) jdbc not support read BIGINT UNSIGNED field

[lun zhang (Jira)]

     [ 
https://issues.apache.org/jira/browse/FLINK-17657?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

lun zhang updated FLINK-17657:
------------------------------
    Attachment: excetion.txt

> jdbc not support read BIGINT UNSIGNED field
> -------------------------------------------
>
>                 Key: FLINK-17657
>                 URL: https://issues.apache.org/jira/browse/FLINK-17657
>             Project: Flink
>          Issue Type: Bug
>          Components: Connectors / JDBC, Table SQL / Client
>    Affects Versions: 1.10.0, 1.10.1
>            Reporter: lun zhang
>            Priority: Major
>         Attachments: excetion.txt
>
>
> I use sql client read mysql table, but I found I can't read a table contain 
> `BIGINT UNSIGNED` field. It will 
> Caused by: java.lang.ClassCastException: java.math.BigInteger cannot be cast 
> to java.lang.Long



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