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