cloudant

问题 I have the following query: {'type': 'text', 'name': 'album-rating-text', 'index': {'fields': [ {'type': 'string', 'name': 'user_id'}, {'type': 'string', 'name': 'album_id'}, {'type': 'number', 'name': 'timestamp'} ]}} Here is the query: {'sort': [ {'user_id': 'desc'}, {'album_id': 'desc'}, {'timestamp': 'desc'} ], 'limit': 1, 'fields': ['user_id', 'album_id', 'timestamp'], 'selector': { '$and': [ {'user_id': {'$eq': 'a@a.com'}}, {'album_id': {'$in': ['bf129f0d', '380e3a05' ] }}]}} The error:

问题 The only thing I understand so far is that Cloudant provides cloud support and uses CouchDB in the backend. 回答1: Cloudant vs CouchDB 1.6 Cloudant is horizontally scalable (with respect to data size), CouchDB isn't Cloudant offers full text search, CouchDB doesn't Cloudant has a different authentication system Cloudant has Cloudant query which allows you do declaratively set indices and query the DB. With CouchDB, you have to use views. Cloudant vs CouchDB 2.0 Cloudant offers full text search,

问题 I've been doing some testing of https connection pooling from cloudant python requests as part of gunicorn request handling: # -*- coding: utf-8 - from requests.adapters import HTTPAdapter import cloudant import logging import json # log when new connections are started by urllib3 logging.basicConfig() requests_log = logging.getLogger("requests.packages.urllib3") requests_log.setLevel(logging.DEBUG) requests_log.propagate = True def app(environ, start_response): httpAdapter = HTTPAdapter(pool

问题 Switching from mongo to pouchdb (with Cloudant), i like the "one database per user" concept, but is there a way to create multiple collections/tables per database ? Example - Peter - History - Settings - Friends - John - History - Settings - Friends etc... 回答1: Couchdb does not have the concept of collections. However, you can achieve similar results using type identifiers on your documents in conjunction with Couchdb views. Type Identifiers When you save a document in Couchdb add a field

问题 I'm getting set up with CouchDB on Cloudant, and I'm confused because Cloudant seems to do auth differently than regular CouchDB. Specifically, Cloudant seems to lack a _users database. I read the Cloudant auth FAQ here, and it provided the following instructions: Can I use CouchDB security features (_users database, security objects, validation functions) on Cloudant? Yes you can. If you want to use the _users database you must first turn off Cloudant's own security for the roles you want to

问题 Cloudant Client library available in Java that will store one document at a time, CloudantClient client = ClientBuilder.account("accounbt") .username("username").password("password") .disableSSLAuthentication().build();*/ Database db = client.database("databaseName", true); db.save(jsonObject); Is there any way to save bulk document in cloudant? 回答1: Here is the code that can enable to upload bulk upload, CloudantClient client = ClientBuilder.account("accounbt") .username("username").password

问题 I have a noSql (Cloudant) database -Within the database we have documents where one of the document fields represents “table” (type of document) -Within the documents we have fields that represent links other documents within the database For example: {_id: 111, table:main, user_id:222, field1:value1, other1_id: 333} {_id: 222, table:user, first:john, other2_id: 444} {_id: 333, table:other1, field2:value2} {_id: 444, table:other2, field3:value3} We want of way of searching for _id:111 And the

问题 I am using Spark version 2.0.1 and trying to connect cloudant database using Python code but same time I am getting an error. Error is throwing at "load(cloudant_credentials['db_name'])" so is there any library I am missing to import? I am sure that I am using correct credentials of Cloudant. I tried using Java code but getting same error. Here is my Python code, import pandas import pyspark from pyspark.mllib.regression import LabeledPoint from pyspark.ml.evaluation import

问题 I currently have a document called beacon_logs, and it logs every time I walk into range of a beacon. The data looks similar to this: { "_id": "00198cd8f0fc510dbad06bf24e93f55b", "_rev": "1-e90f025935847b0412923e4ba472cf2a", "device": "gwen", "beaconUUID": "123", "distance": "0.0", "timestamp": 1487443924 }, { "_id": "00198cd8f0fc510dbad06bf24e93f55c", "_rev": "1-e90f025935847b0412923e4ba472cf2a", "device": "gwen", "beaconUUID": "123", "distance": "0.1", "timestamp": 1487443925 }, { "_id":

问题 I am submitting Spark using below command, ./spark-submit --packages cloudant-labs:spark-cloudant:2.0.0-s_2.11 --class spark.cloudant.connecter.cloudantconnecter --master local[*] /opt/demo/sparkScripts/ScoredJob/sparkcloudantconnecter.jar But it seems "spark-cloudant" package is not loading.. Might be it is not loading because of artifact located at Spark Packages repository(https://dl.bintray.com/spark-packages/maven/) So What changes is require in command to load the package? Full details