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Posted to jira@arrow.apache.org by "Andrew Lamb (Jira)" <ji...@apache.org> on 2020/12/08 11:21:00 UTC
[jira] [Resolved] (ARROW-10732) [Rust] [DataFusion] Add SQL support
for table/relation aliases and compound identifiers
[ https://issues.apache.org/jira/browse/ARROW-10732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Lamb resolved ARROW-10732.
---------------------------------
Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 8839
[https://github.com/apache/arrow/pull/8839]
> [Rust] [DataFusion] Add SQL support for table/relation aliases and compound identifiers
> ---------------------------------------------------------------------------------------
>
> Key: ARROW-10732
> URL: https://issues.apache.org/jira/browse/ARROW-10732
> Project: Apache Arrow
> Issue Type: New Feature
> Components: Rust - DataFusion
> Affects Versions: 3.0.0
> Reporter: Andy Grove
> Assignee: Andy Grove
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.0.0
>
> Time Spent: 5h 40m
> Remaining Estimate: 0h
>
> We need to support referencing columns in queries using table name and/or alias prefixes so that we can support use cases such as joins between tables that have duplicate column names.
> For example:
> {code:java}
> SELECT t1.id, t1.name, t2.name FROM t1 JOIN t2 ON t1.id = t2.id {code}
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