pleroma/priv/repo/migrations/20170620095947_remove_activities_index.exs

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defmodule Pleroma.Repo.Migrations.RemoveActivitiesIndex do
  use Ecto.Migration

  def change do
    drop index(:activities, [:data])
  end
end
Drop the general index on activities. Indices should be more specific as the general index can lead to slower queries because postgres can't estimate the specificity of jsonb indexes very well. 2017-06-20 10:00:58 +00:00			`defmodule Pleroma.Repo.Migrations.RemoveActivitiesIndex do`
			`use Ecto.Migration`

			`def change do`
			`drop index(:activities, [:data])`
			`end`
			`end`