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 |
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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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