| From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | lockhart(at)alumni(dot)caltech(dot)edu (Thomas G(dot) Lockhart) |
| Cc: | hackers(at)postgreSQL(dot)org |
| Subject: | Re: [HACKERS] CASE construct |
| Date: | 1998-11-13 06:30:19 |
| Message-ID: | 199811130630.BAA03675@candle.pha.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers |
> > I've gotten part-way toward implementing a CASE construct...
> > ... (but) there is not a corresponding plan or plan tree (not sure
> > of the terminology). Any suggestions on where to start, or interest in
> > working on it? (hint, hint)
>
> Ah, I've found Bruce's writeup on the query processing dataflow in
> tools/backend/index.html.
>
> Looks like a good place to start.
I was meaning to reply to your first post, but was sick. The way I
usually do it is to look at some feature that already uses it, and copy
that.
For the executor, they are usually spread out in many files.
--
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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