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Questions tagged [dynamic-finders]

49 questions
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Dynamic bang finders in Rails 4

Rails 4 is getting rid of dynamic finders, so User.find_by_hash(hash) becomes User.where(hash: hash) # .first Okay, not a big deal. But what is the best way to deal do with dynamic bang finders like User.find_by_hash!(hash) since there is no…
firedev
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How to use ActiveRecord Find dynamically by passing in a Hash of params?

Is there a way to use find_or_initialize_by but pass it a hash of params and have it search on those? I have a form that allows a user to create a Car, and specify different components for that Car (Car.engine_type, Car.model, etc). The user could…
beeudoublez
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Conditional Dynamic finder in grails

so i require something like the dynamic finder should change as per the condition, let me explain by code what i mean the below code find all employee by status and lastdateattended def employee =…
user5441083
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Grails Dynamic Finder .findAllById(id) vs .findById(id) with new object in same transaction

I'm experiencing strange behaviour between .findAllById(id) .findById(id) I'm creating a new domain class and then later in the same transaction I'm looking up that same object with a dynamic finder. When using .findAllById(newObjectId) it finds…
TimJ
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Grails: findAllWhere sort/max/offset operator don't work

I know that dyanmic finders in grails only support 2 parameters eg. artifacts = Artifact.findAllByDocumentAndArtifactType(document,artifactType,[max:limit, offset:startIndex]); So to use more than 3 arguments I found this example and it works.…
krs8785
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Rails 4 Active Record finder method

I have a Rails 3 Active Record finder method and i am trying update it to rails 4 patten. In Rails 3, my code looked like this StripeEvent.setup do subscribe 'customer.subscription.deleted' do |event| user =…
Benjamin
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Can a Grails dynamic finder be broken by application code?

There is some code in the project I'm working on where a dynamic finder behaves differently in one code branch than it does in another. This line of code returns all my advertisers (there are 8 of them), regardless of which branch I'm…
Samo
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Filtering a collection with offset in grails

I'm trying to filter a collection in grails with findAll so I only get the instances with a certain value in his field "estado". I have something like this: trabajos.findAll({it.estado.equals( "Pago")}) The problem is I dont know how to paginate…
user1485182
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Spring Data JPA finder for dynamic fields as Map

My requirement is to have few custom fields in the domain objects. These fields may vary as per the clients. We are using Spring Data JPA to execute finders. Spring data implicitly provides finders for static fields of the domain and can also handle…
bornleo
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Rails: find and find_by return strange # in model, but not in rails console

Weird problem I've been stuck on for several hours now: I'm writing a simple user login using Rails 3, where a user logs in with their email and password. In my User model, I'm trying to find the correct User object by their email, then continue to…
corbin
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@Mock domain objects in unit testing in grails listOrderBy dynamic finder throws an exception

I am writing a unit test for a grails controller. Here is a snippet of the code: @TestFor(MyController) @Mock([MyDomain]) class MyControllerTests { void testController() { ... ... } } Here is how the domain object looks…
DaHoopster
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Rails Dynamic Finders Return nil

Using Ruby on Rails - sqlite3, rails 3.2.2, ruby 1.9.3p125 (on windows XP) Having the record in the db: Shop.find(123) - returns the shop Shop.where(:id => 123) - returns the shop but Shop.find_by_id(123) returns nil Shop.find_by_name("some_name")…
Yaniv Preiss
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Grails SQL Error on run

I am trying to make a simple web app for a school project in Grails. I can access the server, save, delete, and everything else, but whenever I first run the app I am getting masses of SQL errors thrown at me. I am using Grails 2.0.3 and…
Howes
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Dynamic finders return a new object different from anyone in the has_many collection？

I'm trying to find a object from the has_many collection by dynamic-finders, and then update the attribute of the returned object. But I really don't know when the updated attribute value will be synchronized to the has_many collection. Because I…
Joey Zhang
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How can I make a transient attribute available in dynamic finders?

I have a model X with an attribute thedate of type datetime. What is the slickest way to make thedate's year available for dynamic finders? Examples: X.find_by_year(2012) X.find_by_location_and_year('here', 2012) X.find_by_year_and_name(2012,…
user569825
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