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11 lines
346 B
Ruby
11 lines
346 B
Ruby
class CreateStepTables < ActiveRecord::Migration[4.2]
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def change
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create_table :step_tables do |t|
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t.integer :step_id, null: false
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t.integer :table_id, null: false
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end
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add_foreign_key :step_tables, :steps
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add_foreign_key :step_tables, :tables
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add_index :step_tables, [:step_id, :table_id], unique: true
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end
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end
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