66 lines
1.7 KiB
Elixir
66 lines
1.7 KiB
Elixir
defmodule Mobilizon.Storage.Repo.Migrations.AddEagerMaterializedViewForSearchingEvents do
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use Ecto.Migration
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import Ecto.Query
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alias Mobilizon.Storage.Repo
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alias Mobilizon.Service.Search
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alias Mobilizon.Events.Event
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require Logger
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def up do
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create table(:event_search, primary_key: false) do
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add(:id, references(:events, on_delete: :delete_all, on_update: :update_all),
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primary_key: true
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)
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add(:title, :text, null: false)
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add(:document, :tsvector)
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end
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# to support full-text searches
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create(index("event_search", [:document], using: :gin))
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# to support substring title matches with ILIKE
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execute(
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"CREATE INDEX event_search_title_trgm_index ON event_search USING gin (title gin_trgm_ops)"
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)
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# to support updating CONCURRENTLY
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create(unique_index("event_search", [:id]))
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flush()
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events =
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Event
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|> preload([e], :tags)
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|> Repo.all()
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nb_events = length(events)
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IO.puts("\nStarting setting up search for #{nb_events} events, this can take a while…\n")
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insert_search_event(events, nb_events)
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end
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defp insert_search_event([%Event{url: url} = event | events], nb_events) do
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with {:ok, _} <- Search.insert_search_event(event) do
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Logger.debug("Added event #{url} to the search")
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else
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{:error, res} ->
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Logger.error("Error while adding event #{url} to the search: #{inspect(res)}")
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end
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ProgressBar.render(nb_events - length(events), nb_events)
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insert_search_event(events, nb_events)
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end
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defp insert_search_event([], nb_events) do
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IO.puts("\nFinished setting up search for #{nb_events} events!\n")
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end
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def down do
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drop(table(:event_search))
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end
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end
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