Re: Possible typos in the #12.1.1 examples
От | Bruce Momjian |
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Тема | Re: Possible typos in the #12.1.1 examples |
Дата | |
Msg-id | 20200321001956.GB10066@momjian.us обсуждение исходный текст |
Ответ на | Re: Possible typos in the #12.1.1 examples (Michael Paquier <michael@paquier.xyz>) |
Список | pgsql-docs |
On Thu, Mar 5, 2020 at 04:45:23PM +0900, Michael Paquier wrote: > On Mon, Mar 02, 2020 at 03:38:01PM +0000, PG Doc comments form wrote: > > Seems like here the example missed 'm' as an alias and a dot in the `where` > > clause: > > ... messages m > > ... m.id = 12; > > This query is valid as-is. > > > SELECT m.title || ' ' || m.author || ' ' || m.abstract || ' ' || d.body AS > > document > > FROM messages m, docs d > > WHERE mid = did AND mid = 12; > > > > Possibly, the example missed dots: > > ... m.id = d.id AND m.id = 12; > > This one is actually valid as well, as long as both relations don't > use the same column names, but I can see your point to add the aliases > to the quals of the WHERE clause to bring more clarity. Agreed, alias added in all supported branches. -- Bruce Momjian <bruce@momjian.us> https://momjian.us EnterpriseDB https://enterprisedb.com + As you are, so once was I. As I am, so you will be. + + Ancient Roman grave inscription +
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