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https://issues.apache.org/jira/browse/FLINK-36000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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lincoln lee updated FLINK-36000:
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Fix Version/s: 1.19.2
1.20.1
> DynamicTableSink#Context's getTargetColumns should not return an array of
> zero length
> -------------------------------------------------------------------------------------
>
> Key: FLINK-36000
> URL: https://issues.apache.org/jira/browse/FLINK-36000
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.20.0, 1.19.1
> Reporter: lincoln lee
> Assignee: lincoln lee
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.0.0, 1.19.2, 1.20.1
>
>
> The interface [`Optional<int[][]> getTargetColumns()`
> |https://github.com/apache/flink/blob/master/flink-table/flink-table-common/src/main/java/org/apache/flink/table/connector/sink/DynamicTableSink.java#L192]
> is expected to return an Optional#empty() for a sql statement without
> specifying a column list, e.g., 'insert into t1 select ...',
> but the current implemantation will return an int[0] in such cases, this is
> unexpected.
>
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