demarches-normaliennes/db/migrate/20210427120002_add_unique_index_to_individuals.rb

class AddUniqueIndexToIndividuals < ActiveRecord::Migration[6.1]
  include Database::MigrationHelpers

  disable_ddl_transaction!

  def up
    delete_duplicates :individuals, [:dossier_id]
    remove_index :individuals, [:dossier_id]
    add_concurrent_index :individuals, [:dossier_id], unique: true
  end

  def down
    remove_index :individuals, [:dossier_id], unique: true
    add_concurrent_index :individuals, [:dossier_id]
  end
end
db: add uniqueness constraints Enforce uniqueness constraints at the database level, on: - Invites, - Procedures, - Individuals. These are the one less likely to have duplicates. A follow-up PR will contains similar migrations, but more likely to have existing duplicates that need to be removed. 2021-04-27 13:55:39 +02:00			`class AddUniqueIndexToIndividuals < ActiveRecord::Migration[6.1]`
			`include Database::MigrationHelpers`

			`disable_ddl_transaction!`

			`def up`
			`delete_duplicates :individuals, [:dossier_id]`
db: fix migration adding unique index to Individuals 2021-04-27 16:57:46 +02:00			`remove_index :individuals, [:dossier_id]`
db: add uniqueness constraints Enforce uniqueness constraints at the database level, on: - Invites, - Procedures, - Individuals. These are the one less likely to have duplicates. A follow-up PR will contains similar migrations, but more likely to have existing duplicates that need to be removed. 2021-04-27 13:55:39 +02:00			`add_concurrent_index :individuals, [:dossier_id], unique: true`
			`end`

			`def down`
db: fix migration adding unique index to Individuals 2021-04-27 16:57:46 +02:00			`remove_index :individuals, [:dossier_id], unique: true`
			`add_concurrent_index :individuals, [:dossier_id]`
db: add uniqueness constraints Enforce uniqueness constraints at the database level, on: - Invites, - Procedures, - Individuals. These are the one less likely to have duplicates. A follow-up PR will contains similar migrations, but more likely to have existing duplicates that need to be removed. 2021-04-27 13:55:39 +02:00			`end`
			`end`