30 lines
766 B
Ruby
30 lines
766 B
Ruby
# frozen_string_literal: true
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class CreateRelationTransitions < ActiveRecord::Migration[6.0]
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include Partynest::Migration
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def change
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create_table :relation_transitions do |t|
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t.timestamps null: false
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t.references :from_status, foreign_key: { to_table: :relation_statuses }
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t.references :to_status,
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null: false,
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foreign_key: { to_table: :relation_statuses }
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t.string :name, null: false, index: { unique: true }
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t.index %i[from_status_id to_status_id], unique: true
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end
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add_constraint :relation_transitions, :name, <<~SQL
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is_good_small_text(name)
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SQL
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add_constraint :relation_transitions, :statuses, <<~SQL
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from_status_id != to_status_id
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SQL
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end
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end
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