Hi folks,
In case the SQL statement is not written properly, we sometimes get strange
messages. The 2 following statements are simple inversion between order by
and group by clause. We get an "advice" about expected from or from_clause,
why ?
db2 select workdept, count(*) from employee order by 1 group by workdept
SQL0104N An unexpected token "select workdept, count(*) from employ" was
found following "BEGIN-OF-STATEMENT". Expected tokens may include:
"<from_clause>" . SQLSTATE=42601
db2 select workdept, count(*) from employee order by workdept group by
workdept
SQL0104N An unexpected token "select workdept, count(*) from employee orde"
was found following "BEGIN-OF-STATEMENT". Expected tokens may include:
"<from>". SQLSTATE=42601
Regards,
Jean-Marc
1  3305 
Jean-Marc Blaise wrote: Hi folks,
In case the SQL statement is not written properly, we sometimes get strange
messages. The 2 following statements are simple inversion between order by
and group by clause. We get an "advice" about expected from or from_clause,
why ?
db2 select workdept, count(*) from employee order by 1 group by workdept
SQL0104N An unexpected token "select workdept, count(*) from employ" was
found following "BEGIN-OF-STATEMENT". Expected tokens may include:
"<from_clause>" . SQLSTATE=42601
db2 select workdept, count(*) from employee order by workdept group by
workdept
SQL0104N An unexpected token "select workdept, count(*) from employee orde"
was found following "BEGIN-OF-STATEMENT". Expected tokens may include:
"<from>". SQLSTATE=42601
The GROUP BY clause has to come before the ORDER BY.
So the -104 (syntaxerror) is expected (the tokens are not terribly
useful I admit)
Cheers
Serge
--
Serge Rielau
DB2 Solutions Development
DB2 UDB for Linux, Unix, Windows
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