db_mirror¶ ↑
Peter: Hey Jeff! I'm done with the migration of the database.. Jeff: Really? Because the customer has sent us an email that only half of the data is migrated? Peter: 😱... That is not possible!! Jeff: Have you checked how many entries were in the original database? Peter: Yea! There were 2'131'005 entries Jeff: How many are in the new database? Peter: .............900'231.... Jeff: ðŸ˜
Ensure that you rails database is migrated properly! Easy enough using db_mirror.
Installation¶ ↑
gem install db_mirror
Usage¶ ↑
db_mirror LEVEL={level} EXCLUDED_MODELS={excluded_models}