Re: Help extending pg_class

overbored <overbored(at)overbored(dot)net> writes:
> Hi all, I added a new variable-length field to the pg_class catalog, but
> I did something wrong, and I can't tell what else I'd need to change.
> ...
> The REVOKE command invokes ExecuteGrantStmt_Relation() to modify the
> relacl attribute of pg_class, which is the last attribute and also
> var-length. My new field is interfering with this operation somehow. For
> some reason, in frame 2, the new 'value' array is allocated with length
> numberOfAttributes = RelationGetForm(relation)->relnatts = 25, instead
> of 26.

I think that would come from Natts_pg_class (via formrdesc()). Are you
sure you updated pg_class completely, did a full rebuild, and an initdb?

regards, tom lane