Re: ALTER TABLE doc small thing
От | Robert Haas |
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Тема | Re: ALTER TABLE doc small thing |
Дата | |
Msg-id | BANLkTim8zRxa0=DRSQZ26Fqd2SmOdmP-AQ@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: ALTER TABLE doc small thing (Grzegorz Szpetkowski <gszpetkowski@gmail.com>) |
Ответы |
Re: ALTER TABLE doc small thing
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Список | pgsql-docs |
On Mon, May 9, 2011 at 2:12 PM, Grzegorz Szpetkowski <gszpetkowski@gmail.com> wrote: > "NOTE 30 — If MATCH FULL or MATCH PARTIAL is specified for a > referential constraint and if the referencing table has only one > column specified in <referential constraint definition> for that > referential constraint, or if the referencing table has more than one > specified column for that <referential constraint definition>, but > none of those columns is nullable, then the effect is the same as if > no > <match type> were specified." > > I found that in SQL:2003 draft, so in above case MATCH FULL is > syntactically ok, but rather confusing and effectively do nothing > (maybe just impression purpose). I guess we could remove it, but I don't think it's really doing any harm. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
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