[SPARK-6054][SQL] Fix transformations of TreeNodes that hold StructTypes #5157
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Test build #29060 has finished for PR 5157 at commit
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LGTM |
asfgit
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Due to a recent change that made `StructType` a `Seq` we started inadvertently turning `StructType`s into generic `Traversable` when attempting nested tree transformations. In this PR we explicitly avoid descending into `DataType`s to avoid this bug. Author: Michael Armbrust <michael@databricks.com> Closes #5157 from marmbrus/udfFix and squashes the following commits: 26f7087 [Michael Armbrust] Fix transformations of TreeNodes that hold StructTypes (cherry picked from commit 3fa3d12) Signed-off-by: Michael Armbrust <michael@databricks.com>
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Due to a recent change that made
StructTypeaSeqwe started inadvertently turningStructTypes into genericTraversablewhen attempting nested tree transformations. In this PR we explicitly avoid descending intoDataTypes to avoid this bug.