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l_productstr := '(' || chr(39) || '10000024' || chr(39) || ')';

insert into t_test1
select * from t_productinfo where pi.productcode in l_productstr£»
........................

ÔËÐеÄʱºò£¬Ã»ÓÐÊý¾Ý²åÈëµ½±í t_test1ÖÐÈ¥£»
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select * from t_productinfo where pi.productcode in ('10000024')£»
..............................
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btw:
ÖÁÓÚΪɶҪÓÃl_productstr£¬ÒòΪÎҵĴ洢¹ý³ÌÀïÃæÓõÄÊǶ¯Ì¬µÄ£¬¶øÇÒÊǶà¸ö×éºÏµÄproductcode¡£


select '''a''' from emp
Êä³ö'a'


'''||×Ö·û´®±äÁ¿||'''

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.................
open c_favcycleproduct;
  loop
    fetch c_favcycleproduct
      into l_productcode;
    exit when c_favcycleproduct%notfound;
 
    l_productstr := l_productstr || chr(39) || l_productcode || chr(39) || ',';
    --l_productstr := l_productstr || l_productcode || ',';
  end loop;
  close c_favcycleproduct;
....


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