| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Hannu Krosing <hannu(at)2ndquadrant(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Andrew Dunstan <andrew(at)dunslane(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: WIP json generation enhancements |
| Date: | 2012-11-26 21:04:30 |
| Message-ID: | CA+TgmobZn0v6chhcD2STjwAEANfeB7eDUdYTW3Uu0J1ZvD36sQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Nov 26, 2012 at 3:05 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> The analogy to other aggregates is probably a better thing to argue
> from. On the other hand, I don't know anyone outside the SQL standards
> committee who thinks it's actually a good idea that SUM() across no rows
> returns null rather than zero.
Me neither.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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