gitlab-org--gitlab-foss/db/migrate/20160810102349_remove_ci_runner_trigram_indexes.rb
Jan Provaznik 0fc9f9d3e7 Add version 4.2 to all existing migrations
DB schema generated by a migration may look different in
rails 4 and 5 (because rails 5 may use different default values).
For this reason it's important to explicitly set for which rails
version a migration was written for.

See https://stackoverflow.com/questions/35929869/activerecordmigration-deprecation-warning-asks-for-rails-version-but-im-no/35930912#35930912
2018-11-22 13:18:28 +01:00

27 lines
935 B
Ruby

# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class RemoveCiRunnerTrigramIndexes < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
# Disabled for the "down" method so the indexes can be re-created concurrently.
disable_ddl_transaction!
def up
return unless Gitlab::Database.postgresql?
transaction do
execute 'DROP INDEX IF EXISTS index_ci_runners_on_token_trigram;'
execute 'DROP INDEX IF EXISTS index_ci_runners_on_description_trigram;'
end
end
def down
return unless Gitlab::Database.postgresql?
execute 'CREATE INDEX CONCURRENTLY index_ci_runners_on_token_trigram ON ci_runners USING gin(token gin_trgm_ops);'
execute 'CREATE INDEX CONCURRENTLY index_ci_runners_on_description_trigram ON ci_runners USING gin(description gin_trgm_ops);'
end
end