db/post_migrate/20220316112206_add_contacts_index_on_group_email_and_id.rb


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# frozen_string_literal: true

class AddContactsIndexOnGroupEmailAndId < Gitlab::Database::Migration[1.0]
  disable_ddl_transaction!

  INDEX_NAME = 'index_customer_relations_contacts_on_unique_email_per_group'

  def up
    add_concurrent_index :customer_relations_contacts, 'group_id, lower(email), id', name: INDEX_NAME, unique: true
  end

  def down
    remove_concurrent_index_by_name :customer_relations_contacts, INDEX_NAME
  end
end