Mention in docs that you can create SP-GiST indexes on range types.

This is new in 9.3devel.

diff --git a/doc/src/sgml/rangetypes.sgml b/doc/src/sgml/rangetypes.sgml
index 15cbef6e69be4eeebea00a8a679733f6c7a5821e..8dabc833e9e88bb29ef120586b57d908cbcf8930 100644 (file)
--- a/doc/src/sgml/rangetypes.sgml
+++ b/doc/src/sgml/rangetypes.sgml
@@ -371,9 +371,9 @@ SELECT '[1.234, 5.678]'::floatrange;
   
 
   
-   In addition, any range type that is meant to be used with GiST indexes
+   In addition, any range type that is meant to be used with GiST or SP-GiST indexes
    should define a subtype difference, or subtype_diff, function.
-   (A GiST index will still work without subtype_diff, but it is
+   (the index will still work without subtype_diff, but it is
    likely to be considerably less efficient than if a difference function is
    provided.)  The subtype difference function takes two input values of the
    subtype, and returns their difference (i.e., X minus
@@ -394,7 +394,7 @@ SELECT '[1.234, 5.678]'::floatrange;
   
  
 
- gist">
+ indexing">
   Indexing
 
   
@@ -403,12 +403,12 @@ SELECT '[1.234, 5.678]'::floatrange;
   
 
   
-   GiST indexes can be created for table columns of range types.
-   For instance:
+   GiST and SP-GiST indexes can be created for table columns of range types.
+   For instance, to create a GiST index:
 
 CREATE INDEX reservation_idx ON reservation USING gist (during);
 
-   A GiST index can accelerate queries involving these range operators:
+   A GiST or SP-GiST index can accelerate queries involving these range operators:
    =,
    &&,
    <@,