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Showing posts with the label Mongodb

Running Multiple Queries In Mongo`

I have a collection and want to get a set of results that met a set of conditions. I understand the… Read more Running Multiple Queries In Mongo`

Pymongo Error: Bson.errors.invalidbson: 'utf8' Codec Can't Decode Byte 0xa1 In Position 25: Invalid Start Byte

tasks = list(self.collection.find().sort('_id',pymongo.DESCENDING).limit(1000)) I had a tr… Read more Pymongo Error: Bson.errors.invalidbson: 'utf8' Codec Can't Decode Byte 0xa1 In Position 25: Invalid Start Byte

Mongodb Findandmodify - Update Data

I have this already in the MongoDB collections. { '_id' : ObjectId('4e677efce88c7f0718… Read more Mongodb Findandmodify - Update Data

How To Do Mapping While Indexing In Elasticsearch

I am using ElasticSearch in a website where i index data from MongoDB. def postToEs(self): '… Read more How To Do Mapping While Indexing In Elasticsearch

How To Replace Nan With Null From Mongo Shell?

I have made a json file using pandas by combining two other pandas dataframes. But after uploading … Read more How To Replace Nan With Null From Mongo Shell?

Pymongo/bson: Convert Python.cursor.cursor Object To Serializable/json Object

New to MongoDb and Python (webapp2). So, I was fetching some data from a mongodb database. But I wa… Read more Pymongo/bson: Convert Python.cursor.cursor Object To Serializable/json Object

Is There An Equivalent Of Pymongo For Python 3.2?

I attempted to install pymongo to my Windows box with Python 3.2 through easy_install, only to find… Read more Is There An Equivalent Of Pymongo For Python 3.2?

How To Connect Mongodb With Python?

I'm calling function with argument value database name. When I print argument other function it… Read more How To Connect Mongodb With Python?

How To Include Only Selected Embedded Document In Mongoengine?

I'm fetching documents on the base of specific EmbeddedDocument, but I don't want to get al… Read more How To Include Only Selected Embedded Document In Mongoengine?

Insert Array Into Mongodb Using Pymongo

I am trying to add array into mongdb using pymongo I have another program that will return somethin… Read more Insert Array Into Mongodb Using Pymongo

Python - Remove Extended Ascii

Okay, so I am new to the whole python world so bear with me. Background: We are trying to offload … Read more Python - Remove Extended Ascii

Aggregation In Flask-mongoengine

I'm just staring out with MongoDB and I'm staring an application with flask-mongoengine and… Read more Aggregation In Flask-mongoengine

Django Db Connection With Mangodb Using Mangoengine Gives Me Error?

I am getting the connection error while connecting mangodb through django using mongoengine I have … Read more Django Db Connection With Mangodb Using Mangoengine Gives Me Error?

Export From Oracle To Mongodb Using Python

I know there are various ETL tools available to export data from oracle to MongoDB but i wish to us… Read more Export From Oracle To Mongodb Using Python

Mongodb & Pymongo: How To Store A Set / List?

Apparently it is not possible and the best advice I found so far is to use dict but this is not wha… Read more Mongodb & Pymongo: How To Store A Set / List?

Where To Store Mongoclient In Django

I'm using pymongo to allow my Django site to save data to MongoDB. Apparently the MongoClient()… Read more Where To Store Mongoclient In Django

Fetch D3.js Array From A Url

This is the kind of data that I have { '_id' : ObjectId('kdahfa'), 'minTime&#… Read more Fetch D3.js Array From A Url

Mongodb Is Returning Wierdly Formatted Data

When i try to get this data from my mongodb database using flask-restfuland pymongo i get some wier… Read more Mongodb Is Returning Wierdly Formatted Data

Mongodb Spark Connector Py4j.protocol.py4jjavaerror: An Error Occurred While Calling O50.load

I have been able to load this MongoDB database before, but am now receiving an error I haven't … Read more Mongodb Spark Connector Py4j.protocol.py4jjavaerror: An Error Occurred While Calling O50.load

How To Correctly Query A Mongodb Nested Document With Python?

Background: I just learned the basics of databases and mongo this week. I have a collection named &… Read more How To Correctly Query A Mongodb Nested Document With Python?