Re: patch: Distinguish between unique indexes and unique constraints - Mailing list pgsql-hackers

From Robert Haas
Subject Re: patch: Distinguish between unique indexes and unique constraints
Date
Msg-id g2r603c8f071004180818v7690a2fcj788db9dc5325f276@mail.gmail.com
Whole thread Raw
In response to patch: Distinguish between unique indexes and unique constraints  (Josh Kupershmidt <schmiddy@gmail.com>)
Responses Re: patch: Distinguish between unique indexes and unique constraints  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Sat, Apr 17, 2010 at 11:53 PM, Josh Kupershmidt <schmiddy@gmail.com> wrote:
> Addressing TODO item "Distinguish between unique indexes and unique
> constraints in \d+" for psql, and picking up from thread:
> http://archives.postgresql.org/message-id/8780.1271187360@sss.pgh.pa.us
>
> Attached is a simple patch which clarifies unique constraints with
> "UNIQUE CONSTRAINT" in psql's \d+ description of a table. The
> appearance of unique indexes is left as-is.
>
> == Old \d+ display ==
> Indexes:
>    "name_uniq_constr" UNIQUE, btree (name)
>
> == New \d+ display ==
> Indexes:
>    "name_uniq_constr" UNIQUE CONSTRAINT, btree (name)

You know, I've never really understood the difference between these
two types of things, or why we need to support both.  Which may be
just because I'm slow?

...Robert


pgsql-hackers by date:

Previous
From: Simon Riggs
Date:
Subject: Re: testing HS/SR - 1 vs 2 performance
Next
From: Tom Lane
Date:
Subject: Re: patch: Distinguish between unique indexes and unique constraints