Re: Review: listagg aggregate - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Review: listagg aggregate
Date
Msg-id 603c8f071001280617n7a5f064bob6ac242a3cf640f3@mail.gmail.com
Whole thread Raw
In response to Re: Review: listagg aggregate  (Pavel Stehule <pavel.stehule@gmail.com>)
Responses Re: Review: listagg aggregate  (Pavel Stehule <pavel.stehule@gmail.com>)
Re: Review: listagg aggregate  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Thu, Jan 28, 2010 at 9:01 AM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
> simplest could not be a best. There have to be only a const
> expression. But we have not possibility to check it in pg.

Well... that's an entirely arbitrary limitation.  I admit that it
doesn't seem likely that someone would want to have a variable
delimiter, but putting extra effort and code complexity into
preventing it seems pointless.

...Robert


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