From 31176cd686f31dcb71392f6583f7b8d9cef63770 Mon Sep 17 00:00:00 2001
From: Daniel Baumann
+
The procedures described thus far let you define new types, new
functions, and new operators. However, we cannot yet define an
index on a column of a new data type. To do this, we must define an
@@ -769,4 +769,4 @@ CREATE OPERATOR CLASS polygon_ops
type of the stored summary values, and operator classes' support
procedures are responsible for interpreting the summary values
correctly.
- 38.16. Interfacing Extensions to Indexes #
38.16. Interfacing Extensions to Indexes #