Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/4767#discussion_r25407977
--- Diff: python/pyspark/sql/dataframe.py ---
@@ -272,9 +272,9 @@ def isLocal(self):
"""
return self._jdf.isLocal()
- def show(self):
+ def show(self, n=20):
"""
- Print the first 20 rows.
+ Print the first n rows.
>>> df
DataFrame[age: int, name: string]
--- End diff --
one more thing. can you add one more docstring test to test n = 1?
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