Dianne Yumul <dianne@wellsgaming.com> writes:
> We have PostgreSQL 8.1.21 on CentOS 5.5 and some of our older programs still use OIDs to identify a row. I'm
planningon adding a serial column to the tables and modifying the code to use the serial column instead. But I am
curiousto find out how close we are before the OID wraps around. Is there a way to check for this? I tried select
max(oid)from table on the tables and the highest I got was around 8 million. I searched the docs, faq and mailing list
archivesbut haven't found any info on getting the next OID.
pg_controldata would tell you approximately where the OID counter is.
regards, tom lane