116 lines
3.5 KiB
Elixir
116 lines
3.5 KiB
Elixir
defmodule Mv.Repo.Migrations.AddGroupsAndMemberGroups do
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@moduledoc """
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Updates resources based on their most recent snapshots.
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This file was autogenerated with `mix ash_postgres.generate_migrations`
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"""
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use Ecto.Migration
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def up do
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create table(:member_groups, primary_key: false) do
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add :id, :uuid, null: false, default: fragment("uuid_generate_v7()"), primary_key: true
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add :member_id,
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references(:members,
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column: :id,
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name: "member_groups_member_id_fkey",
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type: :uuid,
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prefix: "public",
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on_delete: :delete_all
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),
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null: false
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add :group_id, :uuid, null: false
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add :inserted_at, :utc_datetime_usec,
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null: false,
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default: fragment("(now() AT TIME ZONE 'utc')")
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add :updated_at, :utc_datetime_usec,
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null: false,
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default: fragment("(now() AT TIME ZONE 'utc')")
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end
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create table(:groups, primary_key: false) do
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add :id, :uuid, null: false, default: fragment("uuid_generate_v7()"), primary_key: true
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end
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alter table(:member_groups) do
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modify :group_id,
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references(:groups,
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column: :id,
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name: "member_groups_group_id_fkey",
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type: :uuid,
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prefix: "public",
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on_delete: :delete_all
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)
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end
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# Unique constraint on (member_id, group_id) to prevent duplicate associations
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create unique_index(:member_groups, [:member_id, :group_id],
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name: "member_groups_unique_member_group_index"
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)
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# Indexes for efficient queries
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create index(:member_groups, [:member_id], name: "member_groups_member_id_index")
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create index(:member_groups, [:group_id], name: "member_groups_group_id_index")
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alter table(:groups) do
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add :name, :text, null: false
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add :slug, :text, null: false
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add :description, :text
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add :inserted_at, :utc_datetime_usec,
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null: false,
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default: fragment("(now() AT TIME ZONE 'utc')")
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add :updated_at, :utc_datetime_usec,
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null: false,
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default: fragment("(now() AT TIME ZONE 'utc')")
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end
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# Unique index on slug (case-sensitive)
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create unique_index(:groups, [:slug], name: "groups_unique_slug_index")
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# Unique index on LOWER(name) for case-insensitive uniqueness
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# Using execute because Ecto doesn't support fragment in index column list
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execute(
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"CREATE UNIQUE INDEX groups_unique_name_lower_index ON groups (LOWER(name))",
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"DROP INDEX IF EXISTS groups_unique_name_lower_index"
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)
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end
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def down do
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execute("DROP INDEX IF EXISTS groups_unique_name_lower_index", "")
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drop_if_exists unique_index(:groups, [:slug], name: "groups_unique_slug_index")
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alter table(:groups) do
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remove :updated_at
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remove :inserted_at
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remove :description
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remove :slug
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remove :name
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end
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drop_if_exists index(:member_groups, [:group_id], name: "member_groups_group_id_index")
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drop_if_exists index(:member_groups, [:member_id], name: "member_groups_member_id_index")
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drop_if_exists unique_index(:member_groups, [:member_id, :group_id],
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name: "member_groups_unique_member_group_index"
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)
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drop constraint(:member_groups, "member_groups_group_id_fkey")
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alter table(:member_groups) do
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modify :group_id, :uuid
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end
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drop table(:groups)
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drop constraint(:member_groups, "member_groups_member_id_fkey")
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drop table(:member_groups)
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end
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end
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