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Pymongo how to set read_preference
How do we enable PyMongo to read from the nearest? This field db.read_preference is read-only now.
from pymongo import ReplicaSetConnection
from pymongo import ReadPreference
db = ReplicaSetConnectio...
angelokh
Votes: 0
Answers: 3
mongodb: Is there a way to print the related field value when error occurs in aggregation?
Say I have a collection, in which the documents look like this:
{
pattern: ABC
},
{
pattern: QWE
}
The field "pattern" is just a pattern that can be used in regex.
Now I would like to f...
Sean
Votes: 0
Answers: 0
how to convert Mongodb find({},{"array_field":1,"_id":0}) return into a 2d array in python
I'm using MongoDB, in all my documents I have a field that is an array(all arrays same length), I want to retrieve all those arrays in one single 2d array, HOW?
my best effort was:
np.array(collection...
Nadhir Hajji
Votes: 0
Answers: 1
pymongo.errors.OperationFailure: $and/$or/$nor
I tried coding like this:
input_filter = {"$and": []}
if not includeTestAccount:
b = {"userLoginKey": {"$not": {"$regex": "^777"}}}
input_fil...
Kota
Votes: 0
Answers: 0