[SPARK-24488][SQL] Fix issue when generator is aliased multiple times#390
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bkrieger wants to merge 1 commit intopalantir:masterfrom
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[SPARK-24488][SQL] Fix issue when generator is aliased multiple times#390bkrieger wants to merge 1 commit intopalantir:masterfrom
bkrieger wants to merge 1 commit intopalantir:masterfrom
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Currently, the Analyzer throws an exception if your try to nest a generator. However, it special cases generators "nested" in an alias, and allows that. If you try to alias a generator twice, it is not caught by the special case, so an exception is thrown. This PR trims the unnecessary, non-top-level aliases, so that the generator is allowed. new tests in AnalysisSuite. Author: Brandon Krieger <bkrieger@palantir.com> Closes apache#21508 from bkrieger/bk/SPARK-24488.
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Jul 23, 2018
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We shouldn't cherry pick unless it's an unmerged pr or something to fix the build. It becomes extremely hard to manage state once you start to selectively cherry-pick.
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That's fair. I tried to merge in all of upstream, but there are a few conflicts and I don't have the Spark knowledge to resolve them. Do you think you'd be able to merge in upstream soon? |
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@bkrieger will do it today along with writeup so you can do future ones yourself |
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Sounds good, thanks! |
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Cherrypicked from apache#21508.
Corresponding ticket: https://issues.apache.org/jira/browse/SPARK-24488.