ash_postgres/priv/test_repo/migrations/20240610195853_migrate_resources27.exs
Zach Daniel 85620a0f89 improvement: don't sort identity keys.
There are important implications here, specifically that there are
optimizations that can be had based on what the first column in a
unique constraint is, and we want to make sure that can be taken advantage of.

closes #313
2024-06-10 15:59:05 -04:00

37 lines
888 B
Elixir

defmodule AshPostgres.TestRepo.Migrations.MigrateResources27 do
@moduledoc """
Updates resources based on their most recent snapshots.
This file was autogenerated with `mix ash_postgres.generate_migrations`
"""
use Ecto.Migration
def up do
drop_if_exists(
unique_index(:post_links, ["source_post_id", "destination_post_id"],
name: "post_links_unique_link_index"
)
)
create(
unique_index(:post_links, ["destination_post_id", "source_post_id"],
name: "post_links_unique_link_index"
)
)
end
def down do
drop_if_exists(
unique_index(:post_links, ["destination_post_id", "source_post_id"],
name: "post_links_unique_link_index"
)
)
create(
unique_index(:post_links, ["source_post_id", "destination_post_id"],
name: "post_links_unique_link_index"
)
)
end
end