29 May '17, 10am

“ruby on rails - How do I serialize an array field into MySQL? - Stack Overflow” (1 user) https://t.co/erWTLA8mXi

I have request_type as a array field in my database. For this I did following migration def change change_column :users, :request_type, :string, array: true, default: '{}' end which I got from this question . I also added serialize into the model file. class User < ActiveRecord::Base belongs_to :client serialize :request_type, Array self.per_page = 15 end A user can perform many requests, which I'm trying to store on their record in this format: request_type: {"Discount", "Offer", "other options"} I also tried to update them from console but it doesn't work there either. a.request_type.push("offer") getting NoMethodError: undefined method push' for "[]":String error. When I try to add an item a.request_type << "Offer" the value becomes "[]Offer" I know it is storing as string, so how can I update this field? I am using rails 4, ruby 2.2.2, mysql. Edit Stack trace 2.2.2 :01...

Full article: https://stackoverflow.com/questions/31916448/how-do-i-ser...

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