| From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
|---|---|
| To: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: No longer possible to query catalogs for index capabilities? |
| Date: | 2016-07-27 01:34:34 |
| Message-ID: | 4dea49ae-3110-5e97-1548-24ddf8f07c34@2ndquadrant.com |
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| Lists: | pgsql-hackers |
On 7/25/16 3:26 PM, Andrew Gierth wrote:
> The issue I ran into was the exact same one as in the JDBC thread I
> linked to earlier: correctly interpreting pg_index.indoption (to get the
> ASC / DESC and NULLS FIRST/LAST settings), which requires knowing
> whether amcanorder is true to determine whether to look at the bits at
> all.
Maybe we should provide a facility to decode those bits then?
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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