private static BulkInsertResult <T> BulkInsert <T>(IEnumerable <T> entities, BulkOptions options, TableMapping tableMapping, SqlConnection dbConnection, SqlTransaction transaction, string tableName,
string[] inputColumns = null, SqlBulkCopyOptions bulkCopyOptions = SqlBulkCopyOptions.Default, bool useInteralId = false)
{
var dataReader = new EntityDataReader <T>(tableMapping, entities, useInteralId);
var sqlBulkCopy = new SqlBulkCopy(dbConnection, bulkCopyOptions, transaction)
{
DestinationTableName = tableName,
BatchSize = options.BatchSize
};
foreach (var column in dataReader.TableMapping.Columns)
{
if (inputColumns == null || (inputColumns != null && inputColumns.Contains(column.Column.Name)))
{
sqlBulkCopy.ColumnMappings.Add(column.Property.Name, column.Column.Name);
}
}
if (useInteralId)
{
sqlBulkCopy.ColumnMappings.Add(Constants.Guid_ColumnName, Constants.Guid_ColumnName);
}
sqlBulkCopy.WriteToServer(dataReader);
return(new BulkInsertResult <T> {
RowsAffected = Convert.ToInt32(sqlBulkCopy.GetPrivateFieldValue("_rowsCopied")),
EntityMap = dataReader.EntityMap
});
}