srowen commented on a change in pull request #32729:
URL: https://github.com/apache/spark/pull/32729#discussion_r643113808
##########
File path: python/pyspark/pandas/frame.py
##########
@@ -4545,6 +4545,15 @@ def to_pandas_on_spark(self, index_col:
Optional[Union[str, List[str]]] = None)
)
return DataFrame(internal)
+ # Keep to_koalas for backward compatibility for now.
+ def to_koalas(self, index_col: Optional[Union[str, List[str]]] = None) ->
"DataFrame":
+ warnings.warn(
+ "DataFrame.to_koalas is deprecated as of
DataFrame.to_pandas_on_spark. "
Review comment:
Maybe: `DataFrame.to_koalas is deprecated. Use
DataFrame.to_pandas_on_spark instead.`
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