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https://issues.apache.org/jira/browse/FLINK-13951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17328302#comment-17328302
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Flink Jira Bot commented on FLINK-13951:
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This major issue is unassigned and itself and all of its Sub-Tasks have not
been updated for 30 days. So, it has been labeled "stale-major". If this ticket
is indeed "major", please either assign yourself or give an update. Afterwards,
please remove the label. In 7 days the issue will be deprioritized.
> Unable to call limit without sort for batch mode
> ------------------------------------------------
>
> Key: FLINK-13951
> URL: https://issues.apache.org/jira/browse/FLINK-13951
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / API
> Affects Versions: 1.9.0
> Reporter: Jeff Zhang
> Priority: Major
> Labels: stale-major
>
> Here's the sample code: tenv.sql(select * from a).fetch(n)
>
> {code:java}
> Fail to run sql command: select * from a
> org.apache.flink.table.api.ValidationException: A limit operation must be
> preceded by a sort operation.
> at
> org.apache.flink.table.operations.utils.factories.SortOperationFactory.validateAndGetChildSort(SortOperationFactory.java:117)
> at
> org.apache.flink.table.operations.utils.factories.SortOperationFactory.createLimitWithFetch(SortOperationFactory.java:102)
> at
> org.apache.flink.table.operations.utils.OperationTreeBuilder.limitWithFetch(OperationTreeBuilder.java:388)
> at org.apache.flink.table.api.internal.TableImpl.fetch(TableImpl.java:406)
> {code}
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