GitHub user davies opened a pull request:
https://github.com/apache/spark/pull/2094
[SPARK-2871] [PySpark] add `comp` argument for RDD.max() and RDD.min()
RDD.max(comp=None)
Find the maximum item in this RDD.
@param comp: A function used to compare two elements, the builtin
`cmp`
will be used by default.
>>> rdd = sc.parallelize([1.0, 5.0, 43.0, 10.0])
>>> rdd.max()
43.0
>>> rdd.max(lambda a, b: cmp(str(a), str(b)))
5.0
RDD.min(comp=None)
Find the minimum item in this RDD.
@param comp: A function used to compare two elements, the builtin
`cmp`
will be used by default.
>>> rdd = sc.parallelize([2.0, 5.0, 43.0, 10.0])
>>> rdd.min()
2.0
>>> rdd.min(lambda a, b: cmp(str(a), str(b)))
10.0
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/davies/spark cmp
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/2094.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2094
----
commit dd91e08a92ebace863506cdfe52114ffeec894c9
Author: Davies Liu <[email protected]>
Date: 2014-08-22T04:56:27Z
add `comp` argument for RDD.max() and RDD.min()
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