couchdb

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 dont find a lot of examples about couchdb with nodejs and express4. I've seen there are on npm: - https://www.npmjs.com/package/node-couchdb - https://www.npmjs.com/package/nano they are compatible with couchdb 2? or there is a way to work without middleware? in this case it's better to work without middleware to understand better how works couchdb? i'd like to read some examples about that. 回答1: Well, the documentation of PouchDB is absolutely awesome. You have a bigger community(in my

问题 Im Trying to use CouchDb as a NoSQL database and my main purpose is to create an application on android which use couchDB instead of sqlite! And I want to use this database locally , so with no server connection! I have seen that you need to buy this on android market to use it! I'm wondering if I'm going to use this should all the users of my application by couchDB first in android market to be able to use my application? or somehow it will be included? How does this thing work? Is there

问题 I am trying to understand how CouchDB work. Does it come bundled up with separate Apache or does it use the Apache in the system. I am trying to understand how it determines where to serve the site and how are different directions done. This is important information because I am trying to understand how to implement the Apache 2.2 mod-proxy -module here with it. Do I need to tune CouchDB or do I need to tune a separate Apache process? Suppose you have 10 CouchDB processes and you want to

问题 I have a docker file like this : FROM ubuntu:12.04 MAINTAINER me <me@c.com> RUN apt-get -y update RUN DEBIAN_FRONTEND=noninteractive apt-get -y install supervisor \ apache2 \ mysql-server \ php5 \ libapache2-mod-php5 \ php5-mysql \ php5-mcrypt #ssh RUN DEBIAN_FRONTEND=noninteractive apt-get -y install openssh-server RUN mkdir /var/run/sshd RUN echo 'root:root' | chpasswd RUN sed -i 's/PermitRootLogin without-password/PermitRootLogin yes/' /etc/ssh/sshd_config RUN sed 's@session\s*required\s

问题 I have below query SELECT day,count(DISTINCT campaignId) campaigns FROM Inheritx use index(daily_type_1) where _type='DailyCampaignUsage' group by day I have below index `CREATE INDEX `daily_type_1` ON `Inheritx` (`_type`,`day`,(distinct (`campaignId`))) WHERE (`_type` = "DailyCampaignUsage")` it is taking 3s and I habe 52k data whare _type= "DailyCampaignUsage" how I Can improve it's speed ? 回答1: Modify your index as follows. CREATE INDEX `daily_type_1` ON `Inheritx` (campaignId,`day`) WHERE

问题 Is it possible to do XSL Transformations in a List Function in CouchDB ? Is seems rather improbable, since something like var xsltProcessor = new XSLTProcessor() can't be done outside the context of a browser. Is there a way? 回答1: If you control the CouchDB server, there's definitely a way. CouchDB supports pluggable query engines, so you could code up a query engine that supports some kind of XSL transformations. I guess the default SpiderMonkey-based query engine doesn't support it out of

问题 I'm new about NOSQL. I use couchDB and ektrop Java API. I tried these code but it gives HTTP 405 error. protected CouchDbInstance _db; { String dbname = "my_database"; try { //creates a database with the specified name CouchDbConnector dbc = _db.createConnector(dbname, true); //create a simple doc to place into your new database Map<String, Object> doc = new HashMap<String, Object>(); doc.put("_id", UUID.randomUUID().toString()); doc.put("season", "summer"); doc.put("climate", "arid"); dbc

问题 I'm new about NOSQL. I use couchDB and ektrop Java API. I tried these code but it gives HTTP 405 error. protected CouchDbInstance _db; { String dbname = "my_database"; try { //creates a database with the specified name CouchDbConnector dbc = _db.createConnector(dbname, true); //create a simple doc to place into your new database Map<String, Object> doc = new HashMap<String, Object>(); doc.put("_id", UUID.randomUUID().toString()); doc.put("season", "summer"); doc.put("climate", "arid"); dbc

问题 I see that the couchdbs are stored in the /sdcard/Android/data/my.app.package/db/ as .couch files. I was trying to copy the couchdb directly to sdcard and make the couchdb service recognize it. We have a large amount of data in the cloud stored in couchdb and replicating it everytime during testing takes a lot of time and being able to copy it directly will hasten the development process. Is it possible to do this? if yes, how and is there any special care needed to make the android couchbase