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https://issues.apache.org/jira/browse/FLINK-18576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17156522#comment-17156522
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sunteng commented on FLINK-18576:
---------------------------------
The flinksql client creates a MySQL data source, and the mysql field is
biginteger. When the query is executed in the SQL client, it will go to
getLong(int pos) in the GenericRowData code block, resulting in Caused by:
java.lang.RuntimeException: java.math.BigInteger cannot be cast to
java.lang.Long reports an error; check the source code and find it is a forced
conversion; how to solve it,
> BigInteger to Long
> ------------------
>
> Key: FLINK-18576
> URL: https://issues.apache.org/jira/browse/FLINK-18576
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Runtime
> Affects Versions: 1.11.0
> Reporter: sunteng
> Priority: Major
> Labels: easyfix
>
> [getLong((int
> pos))|[https://github.com/apache/flink/blob/master/flink-table/flink-table-common/src/main/java/org/apache/flink/table/data/GenericRowData.java]]
> error:
> java.math.BigInteger cannot be cast to java.lang.Long
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