Destructively automigrates the data-store to match the model REPEAT: THIS IS DESTRUCTIVE
@param Symbol repository_name the repository to be migrated
@api public
# File lib/dm-migrations/auto_migration.rb, line 129 def auto_migrate!(repository_name = self.repository_name) assert_valid(true) auto_migrate_down!(repository_name) auto_migrate_up!(repository_name) end
Destructively migrates the data-store down, which basically deletes all the models. REPEAT: THIS IS DESTRUCTIVE
@param Symbol repository_name the repository to be migrated
@api private
# File lib/dm-migrations/auto_migration.rb, line 158 def auto_migrate_down!(repository_name = self.repository_name) assert_valid(true) base_model = self.base_model if base_model == self repository(repository_name).destroy_model_storage(self) else base_model.auto_migrate_down!(repository_name) end end
Auto migrates the data-store to match the model
@param Symbol repository_name the repository to be migrated
@api private
# File lib/dm-migrations/auto_migration.rb, line 173 def auto_migrate_up!(repository_name = self.repository_name) assert_valid(true) base_model = self.base_model if base_model == self repository(repository_name).create_model_storage(self) else base_model.auto_migrate_up!(repository_name) end end
Safely migrates the data-store to match the model preserving data already in the data-store
@param Symbol repository_name the repository to be migrated
@api public
# File lib/dm-migrations/auto_migration.rb, line 141 def auto_upgrade!(repository_name = self.repository_name) assert_valid(true) base_model = self.base_model if base_model == self repository(repository_name).upgrade_model_storage(self) else base_model.auto_upgrade!(repository_name) end end
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