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<p class="MsoNormal">Performance for my workload could be substantially improved by the use of
<a href="https://www.postgresql.org/docs/11/indexes-index-only-scans.html">covering indexes</a>.<o:p></o:p></p>
<p class="MsoNormal">I have tried but I have been unable to make them work with my GiST geometry indexes (points).<o:p></o:p></p>
<p class="MsoNormal">The latest versions I have tried against were PostgreSQL v13 and PostGIS v3.1.1.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am pretty sure there must be a good reason behind this limitation and I was wondering what that reason is.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thank you.<o:p></o:p></p>
<p class="MsoNormal">Anargyros<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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