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https://issues.apache.org/jira/browse/FLINK-29877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17628650#comment-17628650
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penney commented on FLINK-29877:
---------------------------------
And i found a strange question，If one of the three tables is empty, an error
will be reported. If the table data is not empty, it seems that an error will
not be reported
> Failed to fetch next result
> ---------------------------
>
> Key: FLINK-29877
> URL: https://issues.apache.org/jira/browse/FLINK-29877
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Runtime
> Affects Versions: 1.14.5
> Environment:
>
>
> Reporter: penney
> Priority: Blocker
> Attachments: image-2022-11-04-11-05-18-627.png,
> image-2022-11-04-11-13-48-282.png, image-2022-11-04-11-33-48-535.png,
> image-2022-11-04-11-34-11-994.png
>
>
> runTimeConfiguration.set(TaskManagerOptions.TASK_HEAP_MEMORY,
> MemorySize.ofMebiBytes(4096));
> runTimeConfiguration.set(TaskManagerOptions.MANAGED_MEMORY_SIZE,
> MemorySize.ofMebiBytes(512));
>
> I have set memory size,it still can't work.it is a simple union all.I can't
> understand why not work.please help me.Thanks
> !image-2022-11-04-11-13-48-282.png!
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