ash_postgres/priv/test_repo/migrations/20220805191440_install_4_extensions.exs

defmodule AshPostgres.TestRepo.Migrations.Install4Extensions do
  @moduledoc """
  Installs any extensions that are mentioned in the repo's `installed_extensions/0` callback

  This file was autogenerated with `mix ash_postgres.generate_migrations`
  """

  use Ecto.Migration

  def up do
    execute("""
    CREATE OR REPLACE FUNCTION ash_elixir_or(left BOOLEAN, in right ANYCOMPATIBLE, out f1 ANYCOMPATIBLE)
    AS $$ SELECT COALESCE(NULLIF($1, FALSE), $2) $$
    LANGUAGE SQL;
    """)

    execute("""
    CREATE OR REPLACE FUNCTION ash_elixir_or(left ANYCOMPATIBLE, in right ANYCOMPATIBLE, out f1 ANYCOMPATIBLE)
    AS $$ SELECT COALESCE($1, $2) $$
    LANGUAGE SQL;
    """)

    execute("""
    CREATE OR REPLACE FUNCTION ash_elixir_and(left BOOLEAN, in right ANYCOMPATIBLE, out f1 ANYCOMPATIBLE) AS $$
      SELECT CASE
        WHEN $1 IS TRUE THEN $2
        ELSE $1
      END $$
    LANGUAGE SQL;
    """)

    execute("""
    CREATE OR REPLACE FUNCTION ash_elixir_and(left ANYCOMPATIBLE, in right ANYCOMPATIBLE, out f1 ANYCOMPATIBLE) AS $$
      SELECT CASE
        WHEN $1 IS NOT NULL THEN $2
        ELSE $1
      END $$
    LANGUAGE SQL;
    """)

    execute("""
    CREATE OR REPLACE FUNCTION ash_elixir_or(left BOOLEAN, in right ANYCOMPATIBLE, out f1 ANYCOMPATIBLE)
    AS $$ SELECT COALESCE(NULLIF($1, FALSE), $2) $$
    LANGUAGE SQL;
    """)

    execute("""
    CREATE OR REPLACE FUNCTION ash_elixir_or(left ANYCOMPATIBLE, in right ANYCOMPATIBLE, out f1 ANYCOMPATIBLE)
    AS $$ SELECT COALESCE($1, $2) $$
    LANGUAGE SQL;
    """)

    execute("""
    CREATE OR REPLACE FUNCTION ash_elixir_and(left BOOLEAN, in right ANYCOMPATIBLE, out f1 ANYCOMPATIBLE) AS $$
      SELECT CASE
        WHEN $1 IS TRUE THEN $2
        ELSE $1
      END $$
    LANGUAGE SQL;
    """)

    execute("""
    CREATE OR REPLACE FUNCTION ash_elixir_and(left ANYCOMPATIBLE, in right ANYCOMPATIBLE, out f1 ANYCOMPATIBLE) AS $$
      SELECT CASE
        WHEN $1 IS NOT NULL THEN $2
        ELSE $1
      END $$
    LANGUAGE SQL;
    """)

    execute("CREATE EXTENSION IF NOT EXISTS \"uuid-ossp\"")
    execute("CREATE EXTENSION IF NOT EXISTS \"pg_trgm\"")
    execute("CREATE EXTENSION IF NOT EXISTS \"citext\"")
  end

  def down do
    # Uncomment this if you actually want to uninstall the extensions
    # when this migration is rolled back:
    execute(
      "DROP FUNCTION IF EXISTS ash_elixir_and(BOOLEAN, ANYCOMPATIBLE), ash_elixir_and(ANYCOMPATIBLE, ANYCOMPATIBLE), ash_elixir_or(ANYCOMPATIBLE, ANYCOMPATIBLE), ash_elixir_or(BOOLEAN, ANYCOMPATIBLE)"
    )

    # execute("DROP EXTENSION IF EXISTS \"uuid-ossp\"")
    # execute("DROP EXTENSION IF EXISTS \"pg_trgm\"")
    # execute("DROP EXTENSION IF EXISTS \"citext\"")
  end
end