On mån, 2011-03-07 at 19:15 -0500, Tom Lane wrote: > Or, to put it another way: the properties that define a sort order are > the sort comparison operator, the collation, the ASC/DESC bit, and the > NULLS FIRST/LAST bit. Given the way that the SQL committee has > constructed the language, the operator and the two flag bits are > attached to the ORDER BY clause, but the collation is a property of > the expression-to-be-sorted. If we fail to preserve that distinction > in the internal representation, we're just creating problems for > ourselves.
You are probably right; it could be simplified. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
