57 lines
1.7 KiB
C#
57 lines
1.7 KiB
C#
|
using Dm;
|
|||
|
|
using System;
|
|||
|
|
using System.Collections.Generic;
|
|||
|
|
using System.Data;
|
|||
|
|
using System.Linq;
|
|||
|
|
using System.Text;
|
|||
|
|
using System.Threading.Tasks;
|
|||
|
|
|
|||
|
|
namespace SqlSugar
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
public class DmFastBuilder:FastBuilder,IFastBuilder
|
|||
|
|
{
|
|||
|
|
public override bool IsActionUpdateColumns { get; set; } = true;
|
|||
|
|
public override DbFastestProperties DbFastestProperties { get; set; } = new DbFastestProperties() {
|
|||
|
|
HasOffsetTime=true
|
|||
|
|
};
|
|||
|
|
public async Task<int> ExecuteBulkCopyAsync(DataTable dt)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
DmBulkCopy bulkCopy = GetBulkCopyInstance();
|
|||
|
|
bulkCopy.DestinationTableName = dt.TableName;
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
bulkCopy.WriteToServer(dt);
|
|||
|
|
await Task.Delay(0);//No Support Async
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
CloseDb();
|
|||
|
|
throw ex;
|
|||
|
|
}
|
|||
|
|
CloseDb();
|
|||
|
|
return dt.Rows.Count;
|
|||
|
|
}
|
|||
|
|
public DmBulkCopy GetBulkCopyInstance()
|
|||
|
|
{
|
|||
|
|
DmBulkCopy copy;
|
|||
|
|
if (this.Context.Ado.Transaction == null)
|
|||
|
|
{
|
|||
|
|
copy = new DmBulkCopy((DmConnection)this.Context.Ado.Connection);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
copy = new DmBulkCopy((DmConnection)this.Context.Ado.Connection, DmBulkCopyOptions.Default, (DmTransaction)this.Context.Ado.Transaction);
|
|||
|
|
}
|
|||
|
|
if (this.Context.Ado.Connection.State == ConnectionState.Closed)
|
|||
|
|
{
|
|||
|
|
this.Context.Ado.Connection.Open();
|
|||
|
|
}
|
|||
|
|
copy.BulkCopyTimeout = this.Context.Ado.CommandTimeOut;
|
|||
|
|
return copy;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
}
|