oracle的insert操作，忽略主键冲突问题

merge into 
table_a a 
using 
table_b b 
on(a.id=b.id)
when 
not matched 
then 
insert(a.id,a.col,a.col2.....) values(b.id,b.col,b.col2.......)

列子：（mybatis中的xml）

入参：对象

表b根据入参创建，然后判断表b跟表a的主键是否冲突，不冲突则插入

        merge into 
        attence_temp_work a 
        using 
        (select 
	        #{custMemberId,jdbcType=CHAR} CUST_MEMBER_ID,
	        #{date,jdbcType=CHAR} "DATE",
	        #{custId,jdbcType=CHAR} CUST_ID,
	        #{workTimeId,jdbcType=INTEGER} WORK_TIME_ID,
	        #{workNature,jdbcType=CHAR} WORK_NATURE,
	        #{overWorkFlag,jdbcType=CHAR} OVER_WORK_FLAG,
	        #{overWorkTime,jdbcType=INTEGER} OVER_WORK_TIME,
	        #{createdOperCode,jdbcType=CHAR} CREATED_OPER_CODE,
	        #{createdStamp,jdbcType=TIMESTAMP} CREATED_STAMP,
	        #{lastUpdatedStamp,jdbcType=TIMESTAMP} LAST_UPDATED_STAMP,
	        #{lastUpdatedOperCode,jdbcType=CHAR} LAST_UPDATED_OPER_CODE,
	        #{workAroundId,jdbcType=INTEGER} WORK_AROUND_ID
	          from dual
	        
        ) b 
        on(a.CUST_MEMBER_ID=b.CUST_MEMBER_ID and a."DATE"=b."DATE")
		when not matched 
		then 
		insert 
        
            
                a.cust_member_id,
            
            
                a."DATE",
            
            
                a.cust_id,
            
            
                a.work_time_id,
            
            
                a.work_nature,
            
            
                a.over_work_flag,
            
            
                a.over_work_time,
            
            
                a.created_oper_code,
            
            
                a.created_stamp,
            
            
                a.last_updated_stamp,
            
            
                a.last_updated_oper_code,
            
            
                a.work_around_id,
            
        
        
            
                #{custMemberId,jdbcType=CHAR},
            
            
                #{date,jdbcType=CHAR},
            
            
                #{custId,jdbcType=CHAR},
            
            
                #{workTimeId,jdbcType=INTEGER},
            
            
                #{workNature,jdbcType=CHAR},
            
            
                #{overWorkFlag,jdbcType=CHAR},
            
            
                #{overWorkTime,jdbcType=INTEGER},
            
            
                #{createdOperCode,jdbcType=CHAR},
            
            
                #{createdStamp,jdbcType=TIMESTAMP},
            
            
                #{lastUpdatedStamp,jdbcType=TIMESTAMP},
            
            
                #{lastUpdatedOperCode,jdbcType=CHAR},
            
            
                #{workAroundId,jdbcType=INTEGER},