HyukjinKwon commented on a change in pull request #27565:
[WIP][SPARK-30791][SQL][PYTHON] Add 'sameSemantics' and 'sementicHash' methods
in Dataset
URL: https://github.com/apache/spark/pull/27565#discussion_r379963546
##########
File path: python/pyspark/sql/dataframe.py
##########
@@ -2153,6 +2153,59 @@ def transform(self, func):
"should have been DataFrame." %
type(result)
return result
+ @since(3.1)
+ def sameSemantics(self, other):
+ """
+ Returns `True` when the logical query plans inside both
:class:`DataFrame`\\s are equal and
+ therefore return same results.
+
+ .. note:: The equality comparison here is simplified by tolerating the
cosmetic differences
+ such as attribute names.
+
+ .. note::This API can compare both :class:`DataFrame`\\s very fast but
can still return
Review comment:
nit: there should be a space between `note::This ` -> `note:: This `
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