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22 lines
651 B
Ruby
22 lines
651 B
Ruby
class AddCounterCacheToSamples < ActiveRecord::Migration[4.2]
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def up
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add_column :samples, :nr_of_modules_assigned_to, :integer, default: 0
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add_column :my_modules, :nr_of_assigned_samples, :integer, default: 0
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# Okay, now initialize the values
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if defined?(Sample)
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Sample.find_each do |sample|
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Sample.reset_counters(sample.id, :sample_my_modules)
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end
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MyModule.find_each do |my_module|
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MyModule.reset_counters(my_module.id, :sample_my_modules)
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end
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end
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end
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def down
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remove_column :samples, :nr_of_modules_assigned_to
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remove_column :my_modules, :nr_of_assigned_samples
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end
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end
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