From: Sandro Santilli <strk@keybit.net>
Date: Tue, 24 May 2011 09:22:12 +0000 (+0000)
Subject: Add TODO item and SQL/MM compatibility note in ST_ChangeEdgeGeom
X-Git-Tag: 2.0.0alpha1~1584
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=aef31268772fb80c6b8912e2ae771fd1a3b1a24c;p=postgis

Add TODO item and SQL/MM compatibility note in ST_ChangeEdgeGeom

git-svn-id: http://svn.osgeo.org/postgis/trunk@7229 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/topology/sql/sqlmm.sql b/topology/sql/sqlmm.sql
index e82ccf82b..bd022c9c8 100644
--- a/topology/sql/sqlmm.sql
+++ b/topology/sql/sqlmm.sql
@@ -1734,6 +1734,11 @@ LANGUAGE 'plpgsql' VOLATILE;
 -- X.3.6
 --
 --  ST_ChangeEdgeGeom(atopology, anedge, acurve)
+--
+-- Not in the specs:
+-- * Raise an exception if given a non-existent edge
+--
+-- TODO: allow changing geometry of a closed edge (#982)
 -- 
 CREATE OR REPLACE FUNCTION topology.ST_ChangeEdgeGeom(atopology varchar, anedge integer, acurve geometry)
   RETURNS TEXT AS
@@ -1786,6 +1791,7 @@ BEGIN
       || ' WHERE edge_id = ' || anedge
     INTO STRICT oldedge;
   EXCEPTION
+    -- NOT IN THE SPECS: check given edge existance
     WHEN NO_DATA_FOUND THEN
       RAISE EXCEPTION 'SQL/MM Spatial exception - non-existent edge %', anedge;
   END;