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more performant deletes

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Tao Bror Bojlén 2019-08-08 12:44:29 +03:00
parent 30c5bbe2b9
commit 186abbd9cf
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backend/priv/repo/migrations/20190807182941_remove_crawl_error.exs
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@ -2,7 +2,9 @@ defmodule Backend.Repo.Migrations.RemoveCrawlError do
use Ecto.Migration
def change do
execute("ALTER TABLE crawls DISABLE TRIGGER ALL", "ALTER TABLE crawls ENABLE TRIGGER ALL")
execute("DELETE FROM crawls WHERE error IS NOT NULL", "")
execute("ALTER TABLE crawls ENABLE TRIGGER ALL", "")
alter table(:crawls) do
remove :error, :string