public static Task ExecuteAsync <T>(DbContext context, IList <T> entities, OperationType operationType, BulkConfig bulkConfig, Action <decimal> progress, CancellationToken cancellationToken) where T : class
{
if (operationType != OperationType.Truncate && entities.Count == 0)
{
return(Task.CompletedTask);
}
TableInfo tableInfo = TableInfo.CreateInstance(context, entities, operationType, bulkConfig);
if (operationType == OperationType.Insert && !tableInfo.BulkConfig.SetOutputIdentity)
{
return(SqlBulkOperation.InsertAsync(context, entities, tableInfo, progress, cancellationToken));
}
else if (operationType == OperationType.Read)
{
return(SqlBulkOperation.ReadAsync(context, entities, tableInfo, progress, cancellationToken));
}
else if (operationType == OperationType.Truncate)
{
return(SqlBulkOperation.TruncateAsync(context, tableInfo));
}
else
{
return(SqlBulkOperation.MergeAsync(context, entities, tableInfo, operationType, progress, cancellationToken));
}
}
