Karen Feng created SPARK-35636:
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Summary: Do not push lambda variables out of lambda functions in
NestedColumnAliasing
Key: SPARK-35636
URL: https://issues.apache.org/jira/browse/SPARK-35636
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.1.0
Reporter: Karen Feng
Currently, lambda keys are referenced outside of the lambda function:
Project [transform(keys#0, lambdafunction(_extract_v1#0, lambda key#0, false))
AS a#0]
+- 'Join Cross
:- Project [kvs#0[lambda key#0].v1 AS _extract_v1#0]
: +- LocalRelation <empty>, [kvs#0]
+- LocalRelation <empty>, [keys#0]
This should be unchanged from the original state:
Project [transform(keys#418, lambdafunction(kvs#417[lambda key#420].v1, lambda
key#420, false)) AS a#419]
+- Join Cross
:- LocalRelation <empty>, [kvs#417]
+- LocalRelation <empty>, [keys#418]
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