PostgreSQL 11 introduces compress method for SP-GiST opclasses. That
was mistakenly interpreted as compression support for SP-GiST while
actually that allows lossy representation of leaf keys.
Author: Alexander Korotkov, based on proposal by Darafei Praliaskouski
Discussion: https://postgr.es/m/CAC8Q8tKbYmNdiyWr7hE4GfMY4fbqHKkFziKgrUuWHH6HJQs3og%40mail.gmail.com
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- Allow SP-GiST indexes to optionally use compression (Teodor Sigaev,
+ Allow SP-GiST to use lossy representation of leaf keys (Teodor Sigaev,
Heikki Linnakangas, Alexander Korotkov, Nikita Glukhov)
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