public virtual ScaffoldedMigration ScaffoldMigration(
[NotNull] string migrationName,
[NotNull] string rootNamespace)
{
Check.NotEmpty(migrationName, nameof(migrationName));
Check.NotEmpty(rootNamespace, nameof(rootNamespace));
if (_migrationAssembly.Migrations.Any(
m => _idGenerator.GetName(m.Id).Equals(migrationName, StringComparison.OrdinalIgnoreCase)))
{
throw new InvalidOperationException(Strings.DuplicateMigrationName(migrationName));
}
var lastMigration = _migrationAssembly.Migrations.LastOrDefault();
var migrationNamespace = lastMigration?.GetType().Namespace ?? rootNamespace + ".Migrations";
var modelSnapshot = _migrationAssembly.ModelSnapshot;
var lastModel = modelSnapshot?.Model;
var upOperations = _modelDiffer.GetDifferences(lastModel, _model);
var downOperations = upOperations.Any()
? _modelDiffer.GetDifferences(_model, lastModel)
: new List <MigrationOperation>();
var migrationId = _idGenerator.CreateId(migrationName);
var modelSnapshotNamespace = modelSnapshot?.GetType().Namespace ?? migrationNamespace;
var modelSnapshotName = modelSnapshot?.GetType().Name ?? _contextType.Name + "ModelSnapshot";
var migrationCode = _migrationCodeGenerator.Generate(
migrationNamespace,
migrationName,
upOperations,
downOperations);
var migrationMetadataCode = _migrationCodeGenerator.GenerateMetadata(
migrationNamespace,
_contextType,
migrationName,
migrationId,
ProductVersion,
_model);
var modelSnapshotCode = _migrationCodeGenerator.GenerateSnapshot(
modelSnapshotNamespace,
_contextType,
modelSnapshotName,
_model);
return(new ScaffoldedMigration(
_migrationCodeGenerator.Language,
lastMigration?.Id,
migrationCode,
migrationId,
migrationMetadataCode,
GetSubnamespace(rootNamespace, migrationNamespace),
modelSnapshotCode,
modelSnapshotName,
GetSubnamespace(rootNamespace, modelSnapshotNamespace)));
}
public override void CreateTables()
{
var operations = _modelDiffer.GetDifferences(null, Model);
var statements = _migrationSqlGenerator.Generate(operations, Model);
_executor.ExecuteNonQuery(_connection, null, statements);
}
public override void CreateTables(IModel model)
{
Check.NotNull(model, nameof(model));
var operations = _modelDiffer.GetDifferences(null, model);
var statements = _migrationSqlGenerator.Generate(operations, model);
_executor.ExecuteNonQuery(_connection, null, statements);
}
private IEnumerable <SqlBatch> CreateSchemaCommands(IModel model) => _sqlGenerator.Generate(_modelDiffer.GetDifferences(null, model), model);