条件中的Rails中的动态查询

Question

How can we get a dynamic query in Rails such that we can only search the field that is present in the array with AND operator? Example:

car_type = ['tow', 'drive']
Vehicle.where("tow=? AND drive=?", true, true)

car_type = ['tow']
Vehicle.where("tow=?", true)

Answer 1

You could do something like:

q = { tow: true, drive: true }

Vehicle.where(q)

You can get q dinamically doing:

q = car_type.product([true]).to_h