42 lines
1.1 KiB
Elixir
42 lines
1.1 KiB
Elixir
defmodule Memex.Repo.Migrations.CreateNotes do
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use Ecto.Migration
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def up do
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create table(:notes, primary_key: false) do
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add :id, :binary_id, primary_key: true
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add :title, :string
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add :content, :text
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add :tags, {:array, :citext}
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add :visibility, :string
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add :user_id, references(:users, on_delete: :delete_all, type: :binary_id)
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timestamps()
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end
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flush()
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execute """
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CREATE FUNCTION immutable_array_to_string(text[], text)
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RETURNS text LANGUAGE sql IMMUTABLE as $$SELECT array_to_string($1, $2)$$
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"""
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execute """
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ALTER TABLE notes
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ADD COLUMN search tsvector
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GENERATED ALWAYS AS (
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setweight(to_tsvector('english', coalesce(title, '')), 'A') ||
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setweight(to_tsvector('english', coalesce(immutable_array_to_string(tags, ' '), '')), 'B') ||
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setweight(to_tsvector('english', coalesce(content, '')), 'C')
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) STORED
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"""
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execute("CREATE INDEX notes_trgm_idx ON notes USING GIN (search)")
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end
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def down do
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drop table(:notes)
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execute("DROP FUNCTION immutable_array_to_string(text[], text)")
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end
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end
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