[BUGS] bug! in 7.1.3 (for recursion function)

[Zhang Xiaoming]

Hi, please run below recursion function in 7.1.3 ----------------------------------------------------------- drop function listTest(int4); create function listTest(int4) returns text as 'declare  mtype alias for $1;  begin   if mtype=0 then   return ''0'';   else   return mtype||listTest(mtype-1);   end if;  end;' language 'plpgsql'; select listTest(5); -------------------------------------- response:   111110 (in 7.1.3, incorrenct!)   543210 (in 7.0.3, correct!)   Please tell me how to slove this problem if I don't want to go back to 7.0.3.   Thanks Xiaoming        *******************Internet Email Confidentiality Footer******************* Privileged/Confidential Information may be contained in this message. If you are not the addressee indicated in this message (or responsible for delivery of the message to such person), you may not copy or deliver this message to anyone. In such case, you should destroy this message and kindly notify the sender by reply email. Please advise immediately if you or your employer does not consent to Internet email for messages of this kind. Opinions, conclusions and other information in this message that do not relate to the official business of my firm shall be understood as neither given nor endorsed by it.