Difference between revisions of "Returning documents"
From NoSQLZoo
m (40166222 moved page Template:Returning the first document to Returning the first document without leaving a redirect) |
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from bson.code import Code | from bson.code import Code | ||
</pre> | </pre> | ||
| + | <div style='height:25em;'> | ||
{{TopTenTips}} | {{TopTenTips}} | ||
| − | + | </div> | |
<div class=q data-lang="py3">MapReduce | <div class=q data-lang="py3">MapReduce | ||
<pre class=def> | <pre class=def> | ||
Revision as of 16:40, 26 July 2015
#ENCODING
import io
import sys
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-16')
#MONGO
from pymongo import MongoClient
client = MongoClient()
client.progzoo.authenticate('scott','tiger')
db = client['progzoo']
#PRETTY
import pprint
pp = pprint.PrettyPrinter(indent=4)
#CODE
from bson.code import Code
MapReduce
pp.pprint(db.world.find_one())
pp.pprint(db.world.find()[1])
pp.pprint(db.world.find().limit(1))
pp.pprint(db.world.aggregate([{"$limit":1}])