31 lines
940 B
Ruby
31 lines
940 B
Ruby
# frozen_string_literal: true
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class RemoveLegacyUserSettingsColumns < ActiveRecord::Migration[7.2]
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disable_ddl_transaction!
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def up
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# In normal usage this should not find anything to delete
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# Deletion here is already done in RemoveLegacyUserSettingsData migration
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# and no data like this should be created from app at this point
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# Deleting again out of caution
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connection.execute(<<~SQL.squish)
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DELETE FROM settings
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WHERE
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thing_type IS NOT NULL
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AND thing_id IS NOT NULL
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SQL
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add_index :settings, :var, unique: true, algorithm: :concurrently
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remove_index :settings, [:thing_type, :thing_id, :var], name: :index_settings_on_thing_type_and_thing_id_and_var, unique: true
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safety_assured do
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remove_column :settings, :thing_type, :string
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remove_column :settings, :thing_id, :bigint
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end
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end
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def down
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raise ActiveRecord::IrreversibleMigration
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end
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end
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