| From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
|---|---|
| To: | "David E(dot) Wheeler" <david(at)kineticode(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Peter Geoghegan <peter(dot)geoghegan86(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Greg Stark <gsstark(at)mit(dot)edu>, Thom Brown <thom(at)linux(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: string_to_array with an empty input string |
| Date: | 2010-08-11 18:47:58 |
| Message-ID: | 4C62F05E.6050802@dunslane.net |
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| Thread: | |
| Lists: | pgsql-hackers |
On 08/11/2010 02:39 PM, David E. Wheeler wrote:
> On Aug 11, 2010, at 11:35 AM, Andrew Dunstan wrote:
>
>>> for i in select array_subscripts(myarray, 1) loop ...
>> That's not a built-in function AFAIK.
> Pavel pointed out to me only yesterday that it is:
>
> http://www.postgresql.org/docs/current/static/functions-srf.html#FUNCTIONS-SRF-SUBSCRIPTS
>
>
except that you mis-spelled it: It's generate_subscripts(), not
array_subscripts().
I guess I must have missed that in the 8.4 features.
cheers
andrew
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