| From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> | 
|---|---|
| To: | tgl(at)sss(dot)pgh(dot)pa(dot)us (Tom Lane) | 
| Cc: | hackers(at)postgreSQL(dot)org | 
| Subject: | Re: [HACKERS] Re: [GENERAL] Bug with sequences in 6.4.2 | 
| Date: | 1999-03-16 04:32:18 | 
| Message-ID: | 199903160432.XAA01411@candle.pha.pa.us | 
| Views: | Whole Thread | Raw Message | Download mbox | Resend email | 
| Thread: | |
| Lists: | pgsql-hackers | 
> That would create an ambiguity that is better avoided.  I think nextval
> ought to duplicate the parser's behavior --- if possible, actually call
> the same routine the parser uses for looking up a sequence name.
> I suggest that it operate like this:
> 
> (1)	nextval('AA')		operates on sequence aa
> 
> 	AA is lowercased, same as unquoted AA would be by the parser.
> 
> (2)	nextval('"AA"')		operates on sequence AA
> 
> 	Quoted "AA" is treated as AA, same as parser would do it.
> 
> This should be fully backward compatible with existing SQL code, since
> the existing nextval() code implements case (1).  I doubt anyone has
> tried putting double quotes into their nextval arguments, so adding
> the case (2) behavior shouldn't break anything.
Good idea. Done.
test=> select nextval('"Aa"');
nextval
-------
      3
(1 row)
-- 
  Bruce Momjian                        |  http://www.op.net/~candle
  maillist(at)candle(dot)pha(dot)pa(dot)us            |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026
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| Previous Message | Vadim Mikheev | 1999-03-16 04:22:01 | Re: [HACKERS] Sequences.... |