22 lines
678 B
Ruby
22 lines
678 B
Ruby
MIGRATION_BASE_CLASS = if ActiveRecord::VERSION::MAJOR >= 5
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ActiveRecord::Migration[5.0]
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else
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ActiveRecord::Migration[4.2]
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end
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class RailsSettingsMigration < MIGRATION_BASE_CLASS
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def self.up
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create_table :settings do |t|
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t.string :var, null: false
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t.text :value
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t.references :target, null: false, polymorphic: true, index: { name: 'index_settings_on_target_type_and_target_id' }
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t.timestamps null: true
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end
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add_index :settings, [:target_type, :target_id, :var], unique: true
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end
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def self.down
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drop_table :settings
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end
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end
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