Re: Shouldn't pg_(sh)seclabel.provider be marked NOT NULL? - Mailing list pgsql-hackers

Andres Freund wrote:
> On 2014-06-20 16:50:15 -0400, Alvaro Herrera wrote:

> > I think most, if not all, the unique indexes declared are part of a
> > syscache.  I don't think we allow those to be null, so in effect those
> > columns are already not nullable.
> >  Non-unique indexes in indexing.h
> > already bear a standard comment that they are not used for syscache.
> > The only exception was added recently in f01d1ae3a104019:
> > DECLARE_INDEX(pg_class_tblspc_relfilenode_index, 3455, on pg_class using btree(reltablespace oid_ops, relfilenode
oid_ops));
> 
> There's no NULLs in here. It can have duplicates, but in that it's far
> from alone.

I'm only saying it's missing the /* this index is not unique */ comment
that all other DECLARE_INDEX() lines have.  Sorry I wasn't clear.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
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