Dianne Yumul <dia...@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 planning on adding a serial column to the
> tables and modifying the code to use the serial column instead. But I am
> curious to 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 archives but haven't found any info on getting the next OID.
pg_controldata would tell you approximately where the OID counter is.
regards, tom lane
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