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12 lines
364 B
Ruby
12 lines
364 B
Ruby
class CreateSampleComments < ActiveRecord::Migration[4.2]
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def change
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create_table :sample_comments do |t|
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t.integer :sample_id, null: false
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t.integer :comment_id, null: false
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end
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add_foreign_key :sample_comments, :samples
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add_foreign_key :sample_comments, :comments
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add_index :sample_comments, [:sample_id, :comment_id]
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end
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end
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