cloud-fan commented on issue #25107: [SPARK-28344][SQL] detect ambiguous
self-join and fail the query
URL: https://github.com/apache/spark/pull/25107#issuecomment-580678470
done in https://github.com/apache/spark/pull/27417
T
cloud-fan commented on issue #25107: [SPARK-28344][SQL] detect ambiguous
self-join and fail the query
URL: https://github.com/apache/spark/pull/25107#issuecomment-577506512
I'm fine to backport. I'm on vacation soon, can someone help to backport?
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cloud-fan commented on issue #25107: [SPARK-28344][SQL] detect ambiguous
self-join and fail the query
URL: https://github.com/apache/spark/pull/25107#issuecomment-577482122
This is not a complete fix but fail the query if we are not able to resolve
the ambiguity. Is it OK to backport? It c
cloud-fan commented on issue #25107: [SPARK-28344][SQL] detect ambiguous
self-join and fail the query
URL: https://github.com/apache/spark/pull/25107#issuecomment-518467378
thanks, merging to master!
This is an automated mess
cloud-fan commented on issue #25107: [SPARK-28344][SQL] detect ambiguous
self-join and fail the query
URL: https://github.com/apache/spark/pull/25107#issuecomment-518187776
retest this please
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cloud-fan commented on issue #25107: [SPARK-28344][SQL] detect ambiguous
self-join and fail the query
URL: https://github.com/apache/spark/pull/25107#issuecomment-516913929
`df("a.b")` is different from things like `df("a") + 1`, because we need to
take care of `df("a.b")` to attach the da
cloud-fan commented on issue #25107: [SPARK-28344][SQL] detect ambiguous
self-join and fail the query
URL: https://github.com/apache/spark/pull/25107#issuecomment-516832525
The ambiguity comes from `AttributeReference`s with the same expr ID. The
nested column in Spark is just an expressio
cloud-fan commented on issue #25107: [SPARK-28344][SQL] detect ambiguous
self-join and fail the query
URL: https://github.com/apache/spark/pull/25107#issuecomment-514548312
retest this please
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cloud-fan commented on issue #25107: [SPARK-28344][SQL] detect ambiguous
self-join and fail the query
URL: https://github.com/apache/spark/pull/25107#issuecomment-510365577
retest this please
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