mcilwain 4d5b6845b7 Add plural DNS writers field to Registry entity ... This is the first step in a multi-step data migration to allow multiple DNS writers per TLD. The overall process looks like this: 1. Add a plural DNS writers field with backfill (this commit). 2. Deploy it. 3. Run the ResaveEnvironmentEntitiesCommand to populate this new field on all entities. 4. Update the code to use the new field everywhere. 5. Deploy it. 6. Delete the now-unreferenced, old deprecated singular value field. This process is rollback-safe. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=161253436		2017-07-10 11:45:13 -04:00
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com/google/testing/builddefs	Update copyright year on all license headers	2017-02-02 16:27:22 -05:00
google/registry	Add plural DNS writers field to Registry entity	2017-07-10 11:45:13 -04:00