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does anyone know how you can seed a specific update using EF 5 migrations? I have existing database, alredy has lookups populated, and am developing some Audit functionality. I have created an AuditType entity and Audit. When I call update-database, I don't want all my seed data from when I first created the database to be re-added. Do I simply have to manuall delete the existing seed data out or can I do something like name a Configuration.cs with the datetime similar to what gets created when I call add-migration?
Thanks
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Seed method is used to initialized the database tables with some starting data. Whenever you run the migration and update the database it will run the seed method. Mostly it is used during the testing phase where you often need to recreate the database and populate database tables with sample data.
We can use the HasData method of the ModelBuilder to seed the initial data into the database via migrations.
You can run a specific migration by specifying the name of the migration. For example, If you have a migration called MyTuesdayMigration.cs, In the package manager console, you would run this command:
update-database -TargetMigration MyTuesdayMigration You may need to delete data so you should use -fore update-database -TargetMigration MigrationName -force
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