amaliujia commented on code in PR #38546:
URL: https://github.com/apache/spark/pull/38546#discussion_r1017484449
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python/pyspark/sql/connect/dataframe.py:
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@@ -139,11 +139,9 @@ def columns(self) -> List[str]:
if self._plan is None:
return []
if "columns" not in self._cache and self._plan is not None:
- pdd = self.limit(0).toPandas()
Review Comment:
I would prefer to not depend on the underly API when doing caching...
E.g. what if someday the cache on the schema is gone but this API is not
aware of it, etc.
Basically do not make assumptions :)
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