xinrong-meng commented on code in PR #37521:
URL: https://github.com/apache/spark/pull/37521#discussion_r947079687
##########
python/pyspark/sql/column.py:
##########
@@ -405,6 +415,20 @@ def getItem(self, key: Any) -> "Column":
.. versionadded:: 1.3.0
+ Parameters
+ ----------
+ key
+ a literal value, or a :class:`Column` expression.
+ The result will only be true at a location if item matches in the
column.
+
+ .. deprecated:: 3.0.0
+ :class:`Column` as a parameter is deprecated.
+
+ Returns
+ -------
+ :class:`Column`
+ Column representing whether each element of Column as items
contained in key.
Review Comment:
nit: how about `Column representing the item(s) got at position out of a
list or by key out of a dict`?
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