闭社主体
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14 lines
683 B
14 lines
683 B
class CreateAccountConversations < ActiveRecord::Migration[5.2]
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def change
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create_table :account_conversations do |t|
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t.belongs_to :account, foreign_key: { on_delete: :cascade }
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t.belongs_to :conversation, foreign_key: { on_delete: :cascade }
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t.bigint :participant_account_ids, array: true, null: false, default: []
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t.bigint :status_ids, array: true, null: false, default: []
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t.bigint :last_status_id, null: true, default: nil
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t.integer :lock_version, null: false, default: 0
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end
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add_index :account_conversations, [:account_id, :conversation_id, :participant_account_ids], unique: true, name: 'index_unique_conversations'
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end
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end
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