2017-08-31 00:06:56 -04:00
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class CreateExpressions < ActiveRecord::Migration[4.2]
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2013-02-05 14:16:51 -05:00
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def change
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create_table :expressions, id: false, force: true do |t|
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t.integer :parent_id, null: false
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t.string :parent_type, null: false, limit: 50
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t.integer :expression_type_id, null: false
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t.integer :user_id, null: false
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2017-08-07 11:48:36 -04:00
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t.timestamps null: false
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2013-02-05 14:16:51 -05:00
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end
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add_index :expressions, [:parent_id, :parent_type, :expression_type_id, :user_id], unique: true, name: "expressions_pk"
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end
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end
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