| From: | Kenneth Downs <ken(at)secdat(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql general <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Interesting abilities of substring |
| Date: | 2007-08-09 17:30:07 |
| Message-ID: | 46BB4F1F.8000607@secdat.com |
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| Lists: | pgsql-general |
Tom Lane wrote:
> Kenneth Downs <ken(at)secdat(dot)com> writes:
>
>> Basically, it "knows what you mean" when you do substrings on dates and
>> numbers, doing an implicit cast for you.
>>
>
> Implicit casts to text are evil, and are mostly going to be gone in 8.3.
> So try not to rely on this behavior ...
>
Based on general principle, or on specific bad things like unexpected or
ill-defined results?
> regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 5: don't forget to increase your free space map settings
>
--
Kenneth Downs
Secure Data Software, Inc.
www.secdat.com www.andromeda-project.org
631-689-7200 Fax: 631-689-0527
cell: 631-379-0010
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