LISTAGG失败，sqlcode = -433

Question

如何从长远来看克服ListAGG函数的问题。

Answer 1

请尝试使用XMLAGG函数：

select 
--length (
substr(xmlserialize(
xmlquery('$L/text()' passing XMLAGG(xmlelement(name "a", ','||colname)) as "L") as clob(2M)
), 2)
--)
from syscat.columns;