【DM版本】:DM8
【操作系统】：centos
【CPU】:
【问题描述】*：MERGE SQL语句，多个同名参数绑定有问题，insert 多个同名参数绑定正常
【驱动版本】：DmProvider[1.1.0]
表结构：

SQL：

MERGE INTO SYNCTOOL.TABLE_1 A USING
(select count(*) co FROM SYNCTOOL.TABLE_1 WHERE COLUMN_1 =:COLUMN_1)
B ON(B.co<>0)
WHEN MATCHED THEN
UPDATE SET COLUMN_2 =:COLUMN_2
WHERE COLUMN_1 =:COLUMN_1
WHEN NOT MATCHED THEN
INSERT(COLUMN_1, COLUMN_2)
VALUES(:COLUMN_1, :COLUMN_2)

绑定参数：

IDataParameter[] cmdParms = new IDataParameter[2];
cmdParms[0] = new DmParameter(“:COLUMN_1”, “2”);
cmdParms[1] = new DmParameter(“:COLUMN_2”, “2”);

执行时报异常：
Parameter Index Out Of Range
at Dm.DmParameterCollection.CheckIndex(Int32 index)
at Dm.DmCommand.BindParameters(Int32& rowCount, DmDataReader rd, CommandBehavior behavior)
at Dm.DmCommand.do_ExecuteNonQuery()
at Dm.DmCommand.ExecuteNonQuery()