mirrors
/
system-design-primer
mirror of https://github.com/donnemartin/system-design-primer.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

value --> values 

Also fixed a copy-and-paste error
pull/149/head
cclauss 2018-03-14 13:09:53 +01:00 committed by GitHub
parent 615a66fa41
commit d4df81c7bd
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
solutions/system_design/sales_rank/sales_rank_mapreduce.py
View File

@ -25,7 +25,7 @@ class SalesRanker(MRJob):
if self.within_past_week(timestamp): if self.within_past_week(timestamp):
yield (category, product_id), quantity yield (category, product_id), quantity
def reducer(self, key, value): def reducer(self, key, values):
"""Sum values for each key. """Sum values for each key.
(foo, p1), 2 (foo, p1), 2
@ -74,4 +74,4 @@ class SalesRanker(MRJob):
if __name__ == '__main__': if __name__ == '__main__':
HitCounts.run() SalesRanker.run()