Re: ERROR: cache lookup failed for function 125940

DrakoRod <drakoflames@hotmail.com> writes:
> I reindex the pg_proc table and reindex finished correctly but I try read
> the tables or make the dump and same error, reindexed the database and show
> me this error: 

> ERROR:  cache lookup failed for function 125999

This suggests you've actually lost some entries from pg_proc.  Have
you had any system crashes or suchlike?

> Any suggestions, If I run pg_upgrade to 10, will these errors be corrected? 

No, pg_upgrade can't magically restore data that's not there.

            regards, tom lane