instante-social/db/migrate/20190904222339_create_marke...

15 lines
433 B
Ruby

class CreateMarkers < ActiveRecord::Migration[5.2]
def change
create_table :markers do |t|
t.references :user, foreign_key: { on_delete: :cascade, index: false }
t.string :timeline, default: '', null: false
t.bigint :last_read_id, default: 0, null: false
t.integer :lock_version, default: 0, null: false
t.timestamps
end
add_index :markers, [:user_id, :timeline], unique: true
end
end