Ok. The exact error message is as follows: SQLException Time : Mon Oct 20 13:15:25 CEST 2003 SQLException ErrorCode : 0 SQLException SQLState : null SQLException Message : ERROR: Relation "c2" does not exist SQLException Connection: 4878867
The query is something like this: SELECT DISTINCT C2.cmc_mchap, C2.cmc_sort FROM sis_cmca, sis_cmca C2 WHERE cm_status != 'U' AND sis_cmca.cmc_name='INTERN2000' AND C2.cmc_name='INTERN2000' AND sis_cmca.cmc_mchap=C2.cmc_mchap Tom Lane wrote: > > Jost Richstein <[EMAIL PROTECTED]> writes: > > I am running a query with alias (a self join) against > > version 7.3.4 on Suse Linux 7.3 and on FreeBSD (v5?). > > It runs fine on Linux, but produces an error on > > FreeBSD: "unknown alias C2". > > The string "unknown alias" appears nowhere in the 7.3 sources. > Are you sure you are talking to a Postgres database? > > regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match