Re: PL/PgSQL STRICT

2012/12/21 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> Christopher Browne <cbbrowne(at)gmail(dot)com> writes:
>> This is adding specific syntax for what seems like an unusual case to me,
>> which seems like an unworthwhile complication.
>
> That was my first reaction too, but Marko's followon examples seem to
> make a reasonable case for it. There are many situations where you
> expect an UPDATE or DELETE to hit exactly one row. Often, programmers
> won't bother to add code to check that it did ... but if a one-word
> addition to the command can provide such a check, it seems more likely
> that they would add the check.

and it can be used for optimization - it can be optimized for fast first row

Regards

Pavel

>
> regards, tom lane
>
>
> --
> Sent via pgsql-hackers mailing list (pgsql-hackers(at)postgresql(dot)org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-hackers