diff options
Diffstat (limited to 'db/migrate/20170927122209_add_partial_index_for_labels_template.rb')
| -rw-r--r-- | db/migrate/20170927122209_add_partial_index_for_labels_template.rb | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/db/migrate/20170927122209_add_partial_index_for_labels_template.rb b/db/migrate/20170927122209_add_partial_index_for_labels_template.rb deleted file mode 100644 index dd79e024df4..00000000000 --- a/db/migrate/20170927122209_add_partial_index_for_labels_template.rb +++ /dev/null @@ -1,45 +0,0 @@ -# See http://doc.gitlab.com/ce/development/migration_style_guide.html -# for more information on how to write migrations for GitLab. - -class AddPartialIndexForLabelsTemplate < ActiveRecord::Migration[4.2] - include Gitlab::Database::MigrationHelpers - - # Set this constant to true if this migration requires downtime. - DOWNTIME = false - - # When a migration requires downtime you **must** uncomment the following - # constant and define a short and easy to understand explanation as to why the - # migration requires downtime. - # DOWNTIME_REASON = '' - - # When using the methods "add_concurrent_index", "remove_concurrent_index" or - # "add_column_with_default" you must disable the use of transactions - # as these methods can not run in an existing transaction. - # When using "add_concurrent_index" or "remove_concurrent_index" methods make sure - # that either of them is the _only_ method called in the migration, - # any other changes should go in a separate migration. - # This ensures that upon failure _only_ the index creation or removing fails - # and can be retried or reverted easily. - # - # To disable transactions uncomment the following line and remove these - # comments: - - disable_ddl_transaction! - - # Note this is a partial index in Postgres but MySQL will ignore the - # partial index clause. By making it an index on "template" this - # means the index will still accomplish the same goal of optimizing - # a query with "where template = true" on MySQL -- it'll just take - # more space. In this case the number of records with template=true - # is expected to be very small (small enough to display on a single - # web page) so it's ok to filter or sort them without the index - # anyways. - - def up - add_concurrent_index "labels", ["template"], where: "template" - end - - def down - remove_concurrent_index "labels", ["template"], where: "template" - end -end |