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?
regards, tom lane
