Re: Anyone particularly wedded to func_tlist mechanism?
От | Bruce Momjian |
---|---|
Тема | Re: Anyone particularly wedded to func_tlist mechanism? |
Дата | |
Msg-id | 200008032322.TAA01683@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Anyone particularly wedded to func_tlist mechanism? (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
> I propose removing the tlist from function-call nodes. To handle field > selection, we should instead invent a separate "FieldSelect" expression > operator that is applied to the result of the function call, or perhaps > someday other kinds of expressions that can return tuples. Aside from > saving space, we'll be able to cleanly represent both the result type of > the function (ie, the tuple datatype) and the type of the field (which > will be the result of the FieldSelect node). Right now there's only one > node field that represents the result type of the function call, so we > can't remember the actual result type of the function call itself. I totally agree. That structure is very confusing, and it is hard to know what they mean. -- Bruce Momjian | http://candle.pha.pa.us pgman@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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