| From: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
|---|---|
| To: | Michael Glaesemann <grzm(at)myrealbox(dot)com> |
| Cc: | Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: NULL safe equality operator |
| Date: | 2005-11-25 08:06:46 |
| Message-ID: | 4386C616.6090500@familyhealth.com.au |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
> test=# select null_safe_cmp (NULL,NULL);
> ERROR: could not determine anyarray/anyelement type because input has
> type "unknown"
> test=# select null_safe_cmp (NULL::integer,NULL::integer);
> null_safe_cmp
> ---------------
> 1
> (1 row)
>
> Same casting problem due to anyelement, of course.
Yes - I wonder what the trick to getting around that is?
Chris
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