[SPARK-17863] [SQL] should not add column into Distinct #15489
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yhuai
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Oct 14, 2016
| |order by struct.a, struct.b | ||
| |""".stripMargin) | ||
| } | ||
| assert(error.message contains "cannot resolve '`struct.a`' given input columns: [a, b]") |
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Is it possible to suggest the workaround in the error message?
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What's the suggestion looks like?
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Oh, i see. Seems this error is thrown by check analysis, which does not have info about what is the query. So, it is hard to figure out what messages (for the workaround) to put at here.
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LGTM. |
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Test build #66975 has finished for PR 15489 at commit
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Thanks! Merging to master and branch 2.0. |
asfgit
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Oct 14, 2016
## What changes were proposed in this pull request? We are trying to resolve the attribute in sort by pulling up some column for grandchild into child, but that's wrong when the child is Distinct, because the added column will change the behavior of Distinct, we should not do that. ## How was this patch tested? Added regression test. Author: Davies Liu <davies@databricks.com> Closes #15489 from davies/order_distinct. (cherry picked from commit da9aeb0) Signed-off-by: Yin Huai <yhuai@databricks.com>
robert3005
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Nov 1, 2016
## What changes were proposed in this pull request? We are trying to resolve the attribute in sort by pulling up some column for grandchild into child, but that's wrong when the child is Distinct, because the added column will change the behavior of Distinct, we should not do that. ## How was this patch tested? Added regression test. Author: Davies Liu <davies@databricks.com> Closes apache#15489 from davies/order_distinct.
uzadude
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Jan 27, 2017
## What changes were proposed in this pull request? We are trying to resolve the attribute in sort by pulling up some column for grandchild into child, but that's wrong when the child is Distinct, because the added column will change the behavior of Distinct, we should not do that. ## How was this patch tested? Added regression test. Author: Davies Liu <davies@databricks.com> Closes apache#15489 from davies/order_distinct.
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What changes were proposed in this pull request?
We are trying to resolve the attribute in sort by pulling up some column for grandchild into child, but that's wrong when the child is Distinct, because the added column will change the behavior of Distinct, we should not do that.
How was this patch tested?
Added regression test.