gitlab-org--gitlab-foss/db/post_migrate/20200127141953_add_temporar...

21 lines
605 B
Ruby

# frozen_string_literal: true
class AddTemporarySnippetNotesWithMentionsIndex < ActiveRecord::Migration[5.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
INDEX_NAME = 'snippet_mentions_temp_index'
INDEX_CONDITION = "note LIKE '%@%'::text AND notes.noteable_type = 'Snippet'"
disable_ddl_transaction!
def up
# create temporary index for notes with mentions, may take well over 1h
add_concurrent_index(:notes, :id, where: INDEX_CONDITION, name: INDEX_NAME)
end
def down
remove_concurrent_index(:notes, :id, where: INDEX_CONDITION, name: INDEX_NAME)
end
end