On 08/08/16 15:38, Tom Lane wrote:
> Alvaro Herrera <alvherre@2ndquadrant.com> writes:
>> Tom Lane wrote:
>>> Building on the has-property approach Andrew suggested, I wonder if
>>> we need something like pg_index_column_has_property(indexoid, colno,
>>> propertyname) with properties like "sortable", "desc", "nulls first".
>
>> This seems simple enough, on the surface. Why not run with this design?
>
> Well, the next step is to fill in the blanks: what properties need to be
> queryable?
That's less urgent; adding missing properties does not require a
catversion bump.
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