/// <summary>
/// 分库路由器,如果操作存在事务,返回的DB连接已在事务中
/// 数据库主从集群
/// </summary>
/// <param name="ODASql"></param>
/// <returns></returns>
private IDBAccess DatabaseRouting(ODAScript ODASql)
{
ODAConnect conn = GetConnect(ODASql);
if (_Tran == null)
{
return(ODAContext.NewDBConnect(conn.DBtype, conn.ConnectionString));
}
else
{
this.CheckTransaction(ODASql);
if (_Tran.TransDB.ContainsKey(conn.ConnectionString))
{
return(_Tran.TransDB[conn.ConnectionString]);
}
else
{
IDBAccess DBA = ODAContext.NewDBConnect(conn.DBtype, conn.ConnectionString);
DBA.BeginTransaction();
_Tran.DoCommit += DBA.Commit;
_Tran.RollBacking += DBA.RollBack;
_Tran.TransDB.Add(conn.ConnectionString, DBA);
return(DBA);
}
}
}