我使用SqlBulkCopy从CSV导入大约66k行。CSV被导入到DataTable中,然后传递到下面的方法中。
它似乎会无限期地将相同的行复制到数据库中(或在到达末尾时重置)。Debug运行了大约30分钟,创建了接近350k的记录,将DataTable中的每一行复制了大约5次。
我可以确认DataTable中的行数是正确的,所以我一定遗漏了什么,有什么想法吗?
注意:我添加s.BatchSize的目的是希望它只导入该数量,但事实并非如此。
/*
* StoreImportedData()
* This method will store all of the imported data from the datatable to the SQL server database.
*
*
*/
private Boolean StoreImportedData(DataTable csvFileData)
{
try
{
using (SqlConnection dbConnection = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString))
{
dbConnection.Open();
using (SqlBulkCopy s = new SqlBulkCopy(dbConnection))
{
s.DestinationTableName = "Staging";
// Amount of rows to issue in the batch: (currently value is around 60k)
s.BatchSize = csvFileData.Rows.Count;
s.ColumnMappings.Add("remark", "ReportDate");
s.ColumnMappings.Add("ipAddress", "IPAddress");
s.ColumnMappings.Add("hostName", "HostName");
s.ColumnMappings.Add("macAddress", "MacAddress");
s.ColumnMappings.Add("deviceName", "PrinterName");
s.ColumnMappings.Add("comment", "CenterCode");
s.ColumnMappings.Add("userName", "CustomerCode");
s.ColumnMappings.Add("userDisplayName", "CustomerName");
s.ColumnMappings.Add("printerBlackTotal", "TPrintBw");
s.ColumnMappings.Add("printerColorTotal", "TPrintCol");
s.ColumnMappings.Add("copyBlackTotal", "TCopyBw");
s.ColumnMappings.Add("copyColorTotal", "TCopyCol");
s.ColumnMappings.Add("scanTotal", "TScan");
s.ColumnMappings.Add("faxBlackTotal", "TFaxBw");
s.WriteToServer(csvFileData);
}
}
}
catch (Exception e)
{
throw new Exception("An error has occured with the import SQL operation: " + e.Message);
}
return true;
}
}发布于 2016-08-11 23:24:54
试试这个:
s.WriteToServer(csvFileData.CreateDataReader());https://stackoverflow.com/questions/38900368
复制相似问题