# HG changeset patch
# User Tom Gottfried <tom@intevation.de>
# Date 1584123285 -3600
# Node ID dc3d648bdf4a343078f26b785a0575f3a1140b7a
# Parent  d6873fa95ed6b9078caa5324b92a6854a962ea61
Avoid needless geometry processing

Mangling every geometry in the intersection machinery when importing
as waterway admin leads to slightly different geometries compared
to the same geometries imported by a sys_admin, thus creating
artificial history of entries when importing alternately as
waterway admin and sys admin, respectively.

diff -r d6873fa95ed6 -r dc3d648bdf4a pkg/imports/wx.go
--- a/pkg/imports/wx.go	Fri Mar 13 18:08:41 2020 +0100
+++ b/pkg/imports/wx.go	Fri Mar 13 19:14:45 2020 +0100
@@ -50,6 +50,8 @@
   FROM ST_GeomFromWKB($1, $2::integer) AS new_line (new_line),
     LATERAL (SELECT
       CASE WHEN pg_has_role('sys_admin', 'MEMBER')
+          OR ST_Covers((SELECT a FROM resp),
+            ST_Transform(new_line, (SELECT ST_SRID(a) FROM resp)))
         THEN new_line
         ELSE ST_Intersection((SELECT ST_Buffer(a, -0.0001) FROM resp),
           ST_Node(ST_Transform(new_line, (SELECT ST_SRID(a) FROM resp))))