mysql触发器跳出当前循环方法_MySQL

mysql触发器跳出当前循环方法

set @num=@UnitLength/3;

label:

while i<@num do

set @length=(select SUBSTRING(@unit_sid_fk,1,@UnitLength-3*i));

set @sms_content=(select sms_content from sms_config where sms_
type='smsCall' and unit_sid_fk=@length);

set @sms_counts=(select sms_counts from sms_config where sms_
type='smsCall'and unit_sid_fk=@length);

if @sms_content is not null then

insert into sms_task set mt_at_time=@date,mt_content=@sms_content,unit_
sid_fk=@unit_sid_fk,mt_
dst_num=@calltelephone,mt_add_time=@date,mt_group_id=@groupid,branch
_num=@sms_counts,mt_dst_size='1',sms_channel='SMSPORT',mt_type_id='99';

set New.sms_send='Y';

leave label;

end if;

set i=i+1;

end while;

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在while循环外面添加label: 用 leave label; 即可跳出当前循环。