| From: | Jaime Casanova <jcasanov(at)systemguards(dot)com(dot)ec> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Peter Eisentraut <peter_e(at)gmx(dot)net>, Greg Stark <gsstark(at)mit(dot)edu>, Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Tatsuo Ishii <ishii(at)postgresql(dot)org>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: function side effects |
| Date: | 2010-03-01 22:36:08 |
| Message-ID: | 3073cc9b1003011436v73a94af2ve7903d38560c02be@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Mar 1, 2010 at 4:29 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
>> SQL standard:
>
>> <SQL-data access indication> ::=
>> NO SQL
>> | CONTAINS SQL
>> | READS SQL DATA
>> | MODIFIES SQL DATA
>
> Huh. I understand three of those, but what is the use of CONTAINS SQL?
> Seems like that would have to be the same as the last one
>
i guess the safer asumption is: treat it as MODIFIES SQL DATA
--
Atentamente,
Jaime Casanova
Soporte y capacitación de PostgreSQL
Asesoría y desarrollo de sistemas
Guayaquil - Ecuador
Cel. +59387171157
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