On Tue, Sep 18, 2012 at 4:44 PM, Craig Ringer <ringerc@xxxxxxxxxxxxx> wrote: > On 09/18/2012 07:32 AM, Tom Lane wrote: >> >> It's easier to understand why this is if you realize that SQL has a very >> clear model of a "pipeline" of query execution. > > I just wish they hadn't written it backwards! > > It'd be much less confusing were it formulated as something like: > > SELECT > FROM thetable > WHERE first_letter > 'a' > RESULTS left(value,1) AS first_letter > > or something, where the order is more obvious. I really dislike the way SQL > is written not-quite-backwards. I agree, SQL has its quirks. There are general principles, but they're all violated somewhere... "UNION ALL" annoys me some by breaking the rule that more words = more work, which is almost universally adhered to elsewhere. But such is the nature of specifications. ChrisA -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
