Claudio Ortolina
35 lines
1.0 KiB
Elixir
35 lines
1.0 KiB
Elixir
defmodule MusicLibrary.Repo.Migrations.CreateChats do
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use Ecto.Migration
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def change do
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create table(:chats, primary_key: false) do
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add :id, :binary_id, primary_key: true
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add :entity, :string, null: false
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add :musicbrainz_id, :uuid, null: false
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add :topic, :string
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timestamps(type: :utc_datetime)
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end
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# Listing chats for a specific entity
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create index(:chats, [:entity, :musicbrainz_id])
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# Ordered listing of chats for a specific entity
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create index(:chats, [:entity, :musicbrainz_id, :updated_at])
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create table(:chat_messages, primary_key: false) do
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add :id, :binary_id, primary_key: true
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add :role, :string, null: false
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add :content, :text, null: false
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add :position, :integer, null: false
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add :chat_id, references(:chats, type: :binary_id, on_delete: :delete_all), null: false
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timestamps(type: :utc_datetime)
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end
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# Ordered listing of messages within a chat
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create index(:chat_messages, [:chat_id, :position])
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end
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end
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