Rails 4 and Mongoid: programmatically build query to search for different conditions on the same field

Rails 4 and Mongoid: programmatically build query to search for - You could use an :$and operator to combine the individual queries: components = criteria.map do |field, value| field = field.in if(value.is_a?(Array)) { field

ruby - I'm building a advanced search functionality and, thanks to the help of some ruby fellows on SO, build query to search for different conditions on the same field.

ruby on rails - Mongoid query - I am working on refine search in Rails4 and Mongoid. This is my search params and form, I built the query piece by piece: if ruby on rails - Using form_for to create Mongoid object: How to submit fields that is not ruby - Rails 4 and Mongoid: programmatically build query to search for different conditions on the same field

Querying - One of MongoDB's greatest features is its ability to execute dynamic queries, which Find a document or multiple documents by their ids. If no sort options are provided, Mongoid will add an ascending _id sort to the criteria. . If you are using Mongoid 4, you don't have to worry about it since the Identity Map is removed.

Queries - One of MongoDB's greatest features is its ability to execute dynamic queries, Get a list of distinct values for a single field. Find a document or multiple documents by their ids. Find a document by the provided attributes, and if not found create and return a newly . Band.where(name: "Photek").bit(likes: { and: 14, or: 4 }).

Working with Databases: Query Builder - To build a yii\db\Query object, you call different query building methods to specify different parts of a SQL Besides column names, you can also select DB expressions. You can use one of the four formats to specify a WHERE condition: Operator format allows you to specify arbitrary conditions in a programmatic way.

Ruby and MongoDB Web Development Beginner's Gui.. - Create dynamic web applications by combining . Searching by fields in a document. 81 . Chapter 8: Rack, Sinatra, Rails, and MongoDB – Making Use of them All .. So many different ways of doing the same thing in Ruby – but notice how Chapter 4, Working Out Your Way with Queries, explains how we can query

Releases - If you find one, please open an issue on GitHub and mention me .. If you're dealing with images, you can create variants on the fly. .. I am happy to announce that Rails 5.0.6.rc1 and 5.1.4.rc1 have been released. .. now declare programmatic routes that have the full power of Ruby to do different things

Awesome Ruby Toolbox · Ruby China - SexyScopes - Small DSL to create ActiveRecord (>= 3.1) attribute predicates . provided query string and a definition that specifies on what fields to search. It's compatible with ActiveRecord, Sequel, Mongoid, and any other ORM that can build queries .. railsyardcms - Railsyard - One Ruby on Rails CMS to rule them all!

The Best MongoDB Interview Questions & Answers [UPDATED] 2019 - If you're looking for MongoDB Interview Questions for Experienced or Freshers .. The Mongo Map/Reduce will create a new collection for you. Ans: I know how to sort queries in MongoDB by multiple fields, e.g.,db.coll.find().sort({a:1,b:-1 }). You probably want to do it programmatically by using one of the client libraries

mongoid definition

mongoid - someone who shows characteristic of a retard and a geek at the same time.

Mongoid: Documents - Documents are the core objects in Mongoid and any object that is to be persisted to the database must include Mongoid::Document . The representation of a Document in MongoDB is a BSON object that is very similar to a Ruby hash or JSON object.

Relations - All relation objects in Mongoid are proxies to the actual document or documents themselves, They are defined by providing a block to the relation definition.

Module: Mongoid::Fields - For fields defined with symbols use the correct class. Mongoid::Fields.option : required do |model, field, value| model.validates_presence_of field if value end.

File: CHANGELOG - #3083 A new rake task: rake db:mongoid:remove_undefined_indexes has been added to remove indexes from the database that are not explicitly defined in the

How to define a constant for a model in Mongoid model? - That is fine to define a constant. However to access the constant you need to do this. MyModel::MYCONSTANT.

ruby on rails 3 - Updating hash type attribute in Mongoid - This could be related to the way Mongoid shallow copies hashes. If so, then this might is the solution. First, add this definition for a new Mongoid custom type.

mongoid/definition.rb at master · mongodb/mongoid · GitHub - Ruby ODM framework for MongoDB. Contribute to mongodb/mongoid development by creating an account on GitHub.

Mongoid: How to Serialize to JSON with a string id attribute - Mongoid: How to Serialize to JSON with a string id attribute the source file location and the line number where the method as_json is defined.

How to extend mongoid model with new fields - That would mean a new document for every model definition. What I . But with mongoid all fields are defined inside model class. So how to