Re: Operator Precedence problem?
От | Philip Warner |
---|---|
Тема | Re: Operator Precedence problem? |
Дата | |
Msg-id | 3.0.5.32.20000812235924.0242ad80@mail.rhyme.com.au обсуждение исходный текст |
Ответ на | Operator Precedence problem? (Philip Warner <pjw@rhyme.com.au>) |
Список | pgsql-sql |
At 08:53 12/08/00 -0500, John McKown wrote: >Every language that I've ever used (other than APL) has the precedence of >"or" being less than "and". So I would always expect the "and" clauses to >be evaluated first, then the "or". Just like in math, where in an >equation, I expect that the multiplication (and) is done before the >addition (or). Unless modified by parentheses just as in your second >example. You're quite right; I think I must have been punch drunk from beating my head against another problem. Thanks. ---------------------------------------------------------------- Philip Warner | __---_____ Albatross Consulting Pty. Ltd. |----/ - \ (A.B.N. 75 008 659 498) | /(@) ______---_ Tel: (+61) 0500 83 82 81 | _________ \ Fax: (+61) 0500 83 82 82 | ___________ | Http://www.rhyme.com.au | / \| | --________-- PGP key available upon request, | / and from pgp5.ai.mit.edu:11371 |/
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