[SPARK-50126][PYTHON][CONNECT][3.5] PySpark expr() (expression) SQL Function returns None in Spark Connect #49755
+14
−1
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Cherry-pick #46583 to branch-3.5
Original JIRA: SPARK-48276
What changes were proposed in this pull request?
Original PR proposed these changes:
__repr__
method forSQLExpression
lit(None): None -> NULL
to be more consistent with the Spark ClassicI had to make very minor modifications to fix unclean cherry-pick:
Why are the changes needed?
Spark Connect
configuration, calls topyspark.sql.functions.expr
incorrectly returnColumn<None>
instead of the expected expression. This change addresses the issue to ensure proper expression resolution in Spark Connect mode.__repr__
method.Does this PR introduce any user-facing change?
Yes, this PR ensures that
pyspark.sql.functions.expr
correctly resolves expressions in Spark Connect mode. Previously, it returnedColumn<None>
, but now it behaves correctly.How was this patch tested?
Manually tested. Also original PR added a UT.
Was this patch authored or co-authored using generative AI tooling?
No.