[postgis-users] upgrade extension error

Q S qsun7 at hotmail.com
Tue Oct 31 10:48:28 PDT 2017

postgresql version: 9.2

postgis version: 2.0.

  1.  install postgis2.3
  2.  login to postgresql database
  3.  alter postgis update to '2.3.0';

ERROR: could not find function "gserialized_gidx_geog_overlaps" in /usr/pgsql-9.2/lib/postgis-2.3/so"

Please advice.
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