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Stored Procedure - error message

Stored Procedure - error message

Stored Procedure - error message

I have created the following stored proc

create procedure DupParam(out :param1 integer,in :param2 integer,in :param3 integer,in :param4 integer);
 declare :maxkey integer;
 insert into param(iDB,iType,iOrder,iLien,sCod,sLib)
   select iDB,iType,iOrder,iLien,'Copy'+sCod,'Copy'+sLib from param where iKey = :param2 and iDB = :param3;
 select max(iKey) into :maxkey from param;
 set :param1=:maxkey;

Error message retrieved:
[Pervasive][ODBC Client Interface][LNA][Pervasive][ODBC Engine Interface][Data Record Manager][SPEng][Pervasive][ODBC Engine Erreur SQL general Interface] Non unique table reference: param

Any suggestion would be welcome

RE: Stored Procedure - error message

The problem is the duplicate reference to the param table in the query.  Use an Alias on one of the references, e.g.:

insert into param(iDB,iType,iOrder,iLien,sCod,sLib)
   select a.iDB, a.iType, a.iOrder, a.iLien, 'Copy'+a.sCod, 'Copy'+a.sLib from param a where a.iKey = :param2 and a.iDB = :param3;

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