protected virtual MigrationInfo CreateMigration([NotNull] string migrationName)
{
Check.NotEmpty(migrationName, "migrationName");
var sourceModel = MigrationAssembly.ModelSnapshot?.Model;
var targetModel = _model;
IReadOnlyList <MigrationOperation> upgradeOperations, downgradeOperations;
if (sourceModel != null)
{
upgradeOperations = ModelDiffer.Diff(sourceModel, targetModel);
downgradeOperations = ModelDiffer.Diff(targetModel, sourceModel);
}
else
{
upgradeOperations = ModelDiffer.CreateSchema(targetModel);
downgradeOperations = ModelDiffer.DropSchema(targetModel);
}
return
(new MigrationInfo(CreateMigrationId(migrationName))
{
TargetModel = targetModel,
UpgradeOperations = upgradeOperations,
DowngradeOperations = downgradeOperations
});
}
protected virtual IMigrationMetadata CreateMigration([NotNull] string migrationName)
{
Check.NotEmpty(migrationName, "migrationName");
var sourceModel = MigrationAssembly.Model;
var targetModel = ContextConfiguration.Model;
IReadOnlyList <MigrationOperation> upgradeOperations, downgradeOperations;
if (sourceModel != null)
{
upgradeOperations = ModelDiffer.Diff(sourceModel, targetModel);
downgradeOperations = ModelDiffer.Diff(targetModel, sourceModel);
}
else
{
upgradeOperations = ModelDiffer.CreateSchema(targetModel);
downgradeOperations = ModelDiffer.DropSchema(targetModel);
}
return
(new MigrationMetadata(CreateMigrationId(migrationName), ContextConfiguration.Context.GetType())
{
TargetModel = targetModel,
UpgradeOperations = upgradeOperations,
DowngradeOperations = downgradeOperations
});
}