From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Gerhard Häring <lists(at)ghaering(dot)de>, pgsql-interfaces(at)postgresql(dot)org |
Subject: | Re: I want to send comments to the backend! |
Date: | 2003-03-21 05:55:20 |
Message-ID: | 200303210555.h2L5tKG10364@candle.pha.pa.us |
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Lists: | pgsql-interfaces |
Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > OK, this patch fixes the comment passing bug. I remove the strspn() and
> > added a boolean to test if any parsetree had been generated --- if not,
> > I call NullCommand().
>
> Seems like the hard way. I had in mind a quick
>
> if (parsetree_list == NIL)
> {
> NullCommand(dest);
> return;
> }
>
> before entering the main loop. It'd take a small amount of reordering
> of the existing code to make this happen without adding any more code
> than that, but it looked doable.
The problem is that there is so much startup/shutdown in that function
that adding a quick exit point seems too error-prone for maintenance,
rather than keeping the existing structure.
I used your idea of testing just 'parsetree_list' and the patch is now
smaller.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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