Re: PostgreSQL 12: Feature Highlights

On 2019-05-12 23:04, Darren Duncan wrote:
> On 2019-05-12 8:28 a.m., Jonathan S. Katz wrote:
>> 7. Introduction of generated columns that compute and store an
>> expression as a value on the table
> 
> It seems to me that one of the things that's valuable about this feature is that 
> one can make as regular visible data any calculated-from-a-row value that is 
> used for indexing purposes rather than that being hidden or not possible.  I 
> assume or hope that generated columns can be used in all index types like 
> regular columns right? -- Darren Duncan

The answer to your question is that, yes, they can, but I don't
understand what your first sentence is trying to say.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services