| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Cc: | "David E(dot) Wheeler" <david(at)kineticode(dot)com>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: RfD: more powerful "any" types |
| Date: | 2009-09-10 19:10:12 |
| Message-ID: | 6639.1252609812@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
> I don't afraid about crashing. Simply I have not idea what sql
> sprintf's behave in case:
> SELECT sprintf('some %s', 10)
That one I don't think is hard --- coerce the input type to text and
print the string.
> SELECT sprintf('some %d', 10::mycustomtype)
For the formats that presume an integer or float input in C, perhaps
we could coerce to numeric (failing if that fails) and then print
appropriately. Or maybe int or float8 would be more appropriate
conversion targets.
regards, tom lane
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