| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Jesper Pedersen <jesper(dot)pedersen(at)redhat(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: POC: converting Lists into arrays |
| Date: | 2019-08-08 16:24:52 |
| Message-ID: | 7236.1565281492@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
[ returning to this topic now that the CF is over ]
I wrote:
> Perhaps there's an argument for doing something to change the behavior
> of list_union and list_difference and friends. Not sure --- it could
> be a foot-gun for back-patching. I'm already worried about the risk
> of back-patching code that assumes the new semantics of list_concat.
> (Which might be a good argument for renaming it to something else?
> Just not list_union, please.)
Has anyone got further thoughts about naming around list_concat
and friends?
If not, I'm inclined to go ahead with the concat-improvement patch as
proposed in [1], modulo the one improvement David spotted.
regards, tom lane
[1] https://www.postgresql.org/message-id/6704.1563739305@sss.pgh.pa.us
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