internal bool MsSqlBulkCopyInsert(bool keepID)
{
SqlTransaction sqlTran = null;
SqlConnection con = null;
bool isCreateDal = false;
try
{
CheckGUIDAndDateTime(DalType.MsSql);
string conn = AppConfig.GetConn(_Conn);
if (_dalHelper == null)
{
if (IsTruncate)
{
isCreateDal = true;
_dalHelper = DalCreate.CreateDal(conn);
}
else
{
con = new SqlConnection(conn);
con.Open();
}
}
bool isGoOn = true;
if (_dalHelper != null)
{
if (IsTruncate)
{
_dalHelper.isOpenTrans = true;
if (_dalHelper.ExeNonQuery(string.Format(SqlCreate.TruncateTable, SqlFormat.Keyword(mdt.TableName, dalTypeTo)), false) == -2)
{
isGoOn = false;
sourceTable.DynamicData = _dalHelper.debugInfo;
Log.WriteLogToTxt(_dalHelper.debugInfo.ToString());
}
}
if (isGoOn)
{
con = _dalHelper.Con as SqlConnection;
_dalHelper.OpenCon(null, AllowConnLevel.MasterBackup);//如果未开启，则开启，打开链接后，如果以前没执行过数据，事务对象为空，这时会产生事务对象
sqlTran = _dalHelper._tran as SqlTransaction;
}
}
if (isGoOn)
{
using (SqlBulkCopy sbc = new SqlBulkCopy(con, (keepID ? SqlBulkCopyOptions.KeepIdentity : SqlBulkCopyOptions.Default) | SqlBulkCopyOptions.FireTriggers, sqlTran))
{
sbc.BatchSize = 100000;
sbc.DestinationTableName = SqlFormat.Keyword(mdt.TableName, DalType.MsSql);
sbc.BulkCopyTimeout = AppConfig.DB.CommandTimeout;
foreach (MCellStruct column in mdt.Columns)
{
sbc.ColumnMappings.Add(column.ColumnName, column.ColumnName);
}
if (AppConfig.IsAspNetCore)
{
sbc.WriteToServer(mdt.ToDataTable());
}
else
{
sbc.WriteToServer(mdt);
}
}
}
return(true);
}
catch (Exception err)
{
sourceTable.DynamicData = err;
Log.WriteLogToTxt(err);
}
finally
{
if (_dalHelper == null)
{
con.Close();
con = null;
}
else if (isCreateDal)
{
_dalHelper.EndTransaction();
_dalHelper.Dispose();
}
}
return(false);
}