HyukjinKwon commented on a change in pull request #27565: [SPARK-30791]
Dataframe add sameSemantics and sementicHash method
URL: https://github.com/apache/spark/pull/27565#discussion_r379229959
##########
File path: python/pyspark/sql/dataframe.py
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@@ -2153,6 +2153,22 @@ def transform(self, func):
"should have been DataFrame." %
type(result)
return result
+ @since(3.0)
+ def sameSemantics(self, other):
+ """
+ Return true when the query plan of the given :class:`DataFrame` will
return the same
+ results as this :class:`DataFrame`.
+ """
+ return self._jdf.sameSemantics(other)
Review comment:
Since Python API side does not check the type, we could add an if-else with
throwing `ValueError`.
```python
if not isinstance(other, DataFrame):
raise ValueError("other parameter should be of DataFrame; however, got
%s" % type(other))
```
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