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https://issues.apache.org/jira/browse/SPARK-12789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15201071#comment-15201071
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Apache Spark commented on SPARK-12789:
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User 'gatorsmile' has created a pull request for this issue:
https://github.com/apache/spark/pull/11815
> Support order by ordinal in SQL
> -------------------------------
>
> Key: SPARK-12789
> URL: https://issues.apache.org/jira/browse/SPARK-12789
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: zhichao-li
> Priority: Minor
>
> This is to support order by position in SQL, e.g.
> {noformat}
> select c1, c2, c3 from tbl order by 1 desc, 3
> {noformat}
> should be equivalent to
> {noformat}
> select c1, c2, c3 from tbl order by c1 desc, c3
> {noformat}
> We only convert integer literals (not foldable expressions).
> We should make sure this also works with select *.
> This should be controlled by config option spark.sql.orderByOrdinal.
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