Re: HISTORY updated, 7.3 branded
От | Bruce Momjian |
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Тема | Re: HISTORY updated, 7.3 branded |
Дата | |
Msg-id | 200209041901.g84J1d301944@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: HISTORY updated, 7.3 branded (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: HISTORY updated, 7.3 branded
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Список | pgsql-hackers |
Tom Lane wrote: > Bruce Momjian <pgman@candle.pha.pa.us> writes: > > I don't remember every seeing a function returning sets before. Can you > > give an example? > > http://www.ca.postgresql.org/users-lounge/docs/7.2/postgres/xfunc-sql.html#AEN26392 > > Also, the preceding subsection shows SQL functions returning rows. So > these features have been there, but they were messy and awkward to use. > Recall that the TODO item was > * -Functions returning sets do not totally work > and not "we don't have functions returning sets". Yes, now I remember, only SQL functions could return sets. How about this: PL/PgSQL and C functions can now return sets, with multiple rows and multiple columns. You specify thesefunctions in the SELECT FROM clause, similar to a table or view. -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001+ If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania19073
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