Comments? This is my first patch to postgresql project, so comments
are very much welcomed.
PJ
On Wed, Mar 23, 2016 at 8:40 PM, Petr Jediný wrote:
>>>
>>> Multicolumn BRIN is like GIN. Every column is indexed separately.
>>> The order of the columns doesn't m
>>
>> Multicolumn BRIN is like GIN. Every column is indexed separately.
>> The order of the columns doesn't matter.
>
> Right. You can use one index to cover all columns; the position of the
> column in the index won't matter for a query that uses one column. The
> only reason to have multiple B
> Good catch!
>
> In addtion to your patch, we should add the description for
> the multicolumn brin index, like the following one in the doc?
>
> ---
> A multicolumn GIN index can be used with query conditions that
> involve any subset of the index's columns. Unlike B-tree or GiST,
> i
Hello,
the http://www.postgresql.org/docs/9.5/static/indexes-multicolumn.html
page doesn't mention BRIN support, but according to the
http://www.postgresql.org/docs/9.5/static/sql-createindex.html it is
supported in multicolumn setup.
The attached patch (git diff against master branch) fixes the
