private IEnumerable <string> GetHistorySchemas()
{
return
(from migrationId in _migrationAssembly.MigrationIds
let migration = _migrationAssembly.GetMigration(migrationId)
select GetDefaultSchema(migration));
}
private XDocument GetInitialHistoryModel()
{
var initialHistoryModel
= (from migrationId in _migrationAssembly.MigrationIds
let migrationMetadata = (IMigrationMetadata)_migrationAssembly.GetMigration(migrationId)
select new ModelCompressor().Decompress(Convert.FromBase64String(migrationMetadata.Target)))
.FirstOrDefault();
if (initialHistoryModel == null)
{
using (var historyContext = new HistoryContext(CreateConnection(), true, null))
{
initialHistoryModel = historyContext.GetModel();
initialHistoryModel
.Descendants()
.Each(a => a.SetAttributeValue(EdmXNames.IsSystemName, true));
}
}
return(initialHistoryModel);
}