HyukjinKwon commented on code in PR #46368:
URL: https://github.com/apache/spark/pull/46368#discussion_r1591746323
##########
python/pyspark/sql/dataframe.py:
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@@ -657,6 +657,19 @@ def printSchema(self, level: Optional[int] = None) -> None:
"""
...
+ @dispatch_df_method
+ def sizeInBytesApproximation(self) -> int:
+ """Return approximate size in bytes of a DataFrame.
+
+ .. versionadded:: 4.0.0
+
+ Returns
+ -------
+ int
+ Size in bytes estimated from optimized plan
Review Comment:
can we add examples
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