Re: Invisible Indexes

On 06/18/2018 05:44 PM, Peter Geoghegan wrote:
> On Mon, Jun 18, 2018 at 2:36 PM, Andrew Dunstan
> <andrew(dot)dunstan(at)2ndquadrant(dot)com> wrote:
>> This is a MySQL feature, where an index is not considered by the planner.
>> Implementing it should be fairly straightforward, adding a new boolean to
>> pg_index, and options to CREATE INDEX and ALTER INDEX. I guess VISIBLE would
>> become a new unreserved keyword.
>> So, do we want this feature? If we do I'll go ahead and prepare a patch.
> I know that it's definitely a feature that I want.

Well, that's encouraging ;-)

> Haven't thought
> about the syntax, though.
>

I envisioned:

CREATE INDEX .... [NOT VISIBLE] ...;
ALTER INDEX ... [SET [NOT] VISIBLE] ...;

Let the bikeshedding begin :-)

cheers

andrew

--
Andrew Dunstan https://www.2ndQuadrant.com
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