Re: Timestamp operator error
| От | Josh Berkus | 
|---|---|
| Тема | Re: Timestamp operator error | 
| Дата | |
| Msg-id | web-810156@davinci.ethosmedia.com обсуждение исходный текст  | 
		
| Ответ на | Re: Timestamp operator error (Tom Lane <tgl@sss.pgh.pa.us>) | 
| Ответы | 
                	
            		Re: Timestamp operator error
            		
            		 | 
		
| Список | pgsql-sql | 
Tom,
> Emergency fix?  This operator didn't behave reasonably in 7.1 either
> (at least not by my definition of reasonable).  What exactly would
> you have us do?
No, not you!  For me to fix.  You're a volunteer, as far as I'minvolved.  I just wanted suggestions for a quick fix.
WhenI foundthe other issues, it was more reasonable to search-and-replace onvalues ("interval"() for interval() was
easy). I can't figure out howto pattern match on interval + timestamp, especially with variablesinvolved.
 
Is there a way, for example, that I could disallow the TIMESTAMP -->DATE implicit conversion in my code?  That would
breakall thefunctions and views with this problem, and then I could identify them.
 
> Yah.  Offhand I'd argue that no information-discarding conversion
> should be implicitly invokable.  date->timestamp is fine;
> timestamp->date should require an explicit cast.  I've already
>  proposed
> that we add a flag to pg_proc to distinguish implicit from explicit
> conversion operations, and no one complained.  But we have not yet
> begun to argue about exactly which conversions should be allowed
> implicitly...
Hey, feel free to take up the argument here, too!  It is a SQL topic,after all ...
-Josh
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