Set availability of support function for KNN index

Fixes upgrade from 2.1 to 2.2+
Closes #3978 in 2.4 branch (2.4.4)

git-svn-id: http://svn.osgeo.org/postgis/branches/2.4@16358 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/NEWS b/NEWS
index 88c5363849afd0d7dbe054550cea48ac11adf4ab..e14b44d5830a0eaf35d26f14840259aca29f1bc0 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,12 @@
-PostGIS 2.4.4
+PostGIS 2.4.4dev
 2018/MM/DD
 
+ * Bug fixes *
+  - #3978, Fix KNN when upgrading from 2.1 or older (Sandro Santilli)
+
+PostGIS 2.3.6
+2018/01/17
+
  * Enhancements *
     - #3992, Use PKG_PROG_PKG_CONFIG macro from pkg.m4 to detect pkg-config
              (Bas Couwenberg)

diff --git a/postgis/geography.sql.in b/postgis/geography.sql.in
index 8166c5661923572b4c6e21a801adb481042380fe..2de82cb31c3f6c163913f7b64ceac8b114efecd1 100644 (file)
--- a/postgis/geography.sql.in
+++ b/postgis/geography.sql.in
@@ -279,6 +279,7 @@ CREATE OPERATOR CLASS gist_geography_ops
 --     OPERATOR        8        @      ,
 -- Availability: 2.2.0
        OPERATOR        13       <-> FOR ORDER BY pg_catalog.float_ops,
+-- Availability: 2.2.0
        FUNCTION        8        geography_gist_distance (internal, geography, int4),
        FUNCTION        1        geography_gist_consistent (internal, geography, int4),
        FUNCTION        2        geography_gist_union (bytea, internal),