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https://issues.apache.org/jira/browse/FLINK-17420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17099957#comment-17099957
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Dawid Wysakowicz commented on FLINK-17420:
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Fixed in master via: f90740f951111c72b2b96d7b3adec3c940642e91
> Cannot alias Tuple and Row fields when converting DataStream to Table
> ---------------------------------------------------------------------
>
> Key: FLINK-17420
> URL: https://issues.apache.org/jira/browse/FLINK-17420
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / API
> Affects Versions: 1.10.0
> Reporter: Gyula Fora
> Assignee: Leonard Xu
> Priority: Major
> Labels: pull-request-available
>
> It is impossible to alias Tuple and Row fields when converting DataStream to
> Table.
> {code:java}
> tableEnv.fromDataStream(env.fromElements(Tuple2.of("a", 1)), "f0 as name, f1
> as age");
> {code}
> This leads to the following error:
> Alias 'name' is not allowed if other fields are referenced by position
> org.apache.flink.table.typeutils.FieldInfoUtils#isReferenceByPosition method
> More info:
> [https://lists.apache.org/thread.html/re35f37797692af4e9e0e2512dedf0f598e0cdbe1ac4820103d4273c1%40%3Cuser.flink.apache.org%3E]
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