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From HyukjinKwon <>
Subject [GitHub] spark pull request #17865: [SPARK-20456][Docs] Add examples for functions co...
Date Fri, 05 May 2017 04:36:30 GMT
Github user HyukjinKwon commented on a diff in the pull request:
    --- Diff: python/pyspark/sql/ ---
    @@ -793,8 +824,8 @@ def date_format(date, format):
         .. note:: Use when ever possible specialized functions like `year`. These benefit
from a
             specialized implementation.
    -    >>> df = spark.createDataFrame([('2015-04-08',)], ['a'])
    -    >>>'a', 'MM/dd/yyy').alias('date')).collect()
    +    >>> df = spark.createDataFrame([('2015-04-08',)], ['time'])
    --- End diff --
    Okay. I guess it is a documentation improvement to use a bit more meaningful name over
an arbitrary name `a`. Let's match these to existing names such as `ts` or `t` (abbreviation
for timestamp) or `dt` (abbreviation for `datetime.datetime`).

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