Re: [HACKERS] CASE construct
От | Bruce Momjian |
---|---|
Тема | Re: [HACKERS] CASE construct |
Дата | |
Msg-id | 199811130630.BAA03675@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [HACKERS] CASE construct ("Thomas G. Lockhart" <lockhart@alumni.caltech.edu>) |
Список | 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@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
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