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[SPARK-5817] [SQL] Fix bug of udtf with column names #4602

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chenghao-intel wants to merge 7 commits into from
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[SPARK-5817] [SQL] Fix bug of udtf with column names #4602

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ca5e7f4
shrink the commits
chenghao-intel Apr 14, 2015
d2e8b43
Update the code as feedback
chenghao-intel Apr 17, 2015
5ee5d2c
prepend the new qualifier
chenghao-intel Apr 17, 2015
04ae500
add qualifier only for generator output
chenghao-intel Apr 17, 2015
002c361
change the rule of resolved for Generate
chenghao-intel Apr 17, 2015
556e982
revert the unncessary change
chenghao-intel Apr 17, 2015
c2a5132
add back resolved for Alias
chenghao-intel Apr 17, 2015
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prepend the new qualifier
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@chenghao-intel
chenghao-intel committed Apr 17, 2015
commit 5ee5d2c52d34fec40660f00a0135b72d0e5e581c
3 changes: 2 additions & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicOperators.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,8 @@ case class Generate(
val withoutQualifier = if (join) child.output ++ generatorOutput else generatorOutput

qualifier.map(q =>
withoutQualifier.map(_.withQualifiers(q :: Nil))
// prepend the new qualifier to the existed one
withoutQualifier.map(a => a.withQualifiers(q +: a.qualifiers))
).getOrElse(withoutQualifier)
}
}
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