delta/gitlab/gitlab-ce.git/lib/mysql_zero_date.rb, branch parallel-db-migrations gitlab.com: gitlab-org/gitlab-ce.git Mysql fixes for Rails 5 2018-06-21T20:06:50+00:00 Jan Provaznik jprovaznik@gitlab.com 2018-06-09T18:13:50+00:00 1ec356a0b5b6594ef0df3fb764cb57c0859ca86f * `MysqlDateTimeWithTimeZone` inherits from `ActiveRecord::Type::DateTime` (`MysqlDateTime` is not present in Rails 5) * explicitly set `NULL` default value for `merge_request_diff_files`'s `diff` column (otherwise empty string is used in a migration) and empty string is not allowed for text/blob fields in Mysql * disable NO_ZERO_DATE mode for all Mysql DB connections, otherwise SQL queries fail on inserting `0` value for `created_at` column 
* `MysqlDateTimeWithTimeZone` inherits from `ActiveRecord::Type::DateTime`
  (`MysqlDateTime` is not present in Rails 5)
* explicitly set `NULL` default value for `merge_request_diff_files`'s
  `diff` column (otherwise empty string is used in a migration) and
  empty string is not allowed for text/blob fields in Mysql
* disable NO_ZERO_DATE mode for all Mysql DB connections, otherwise
  SQL queries fail on inserting `0` value for `created_at` column