grundprinzip commented on code in PR #38631:
URL: https://github.com/apache/spark/pull/38631#discussion_r1022492699
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python/pyspark/sql/tests/connect/test_connect_column_expressions.py:
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@@ -134,6 +134,16 @@ def test_list_to_literal(self):
lit_list_plan = fun.lit([fun.lit(10), fun.lit("str")]).to_plan(None)
self.assertIsNotNone(lit_list_plan)
+ def test_column_alias(self) -> None:
+ # SPARK-40809 - Support for Column Aliases
+ col0 = fun.col("a").alias("martin")
+ self.assertEqual("Alias(Column(a), (martin))", str(col0))
+
+ col0 = fun.col("a").alias("martin", metadata={"pii": True})
+ plan = col0.to_plan(self.session)
+ self.assertIsNotNone(plan)
+ self.assertEqual(plan.alias.metadata, '{"pii": true}')
Review Comment:
See the test above.
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