Merge remote-tracking branch 'upstream/master'

[nominatim.git] / lib-php / PlaceLookup.php

diff --git a/lib-php/PlaceLookup.php b/lib-php/PlaceLookup.php
index 7e78d536eab8cc53b3788ff5264b2c9f812d663f..120f55436acb482de8d374019b2a30b05ffd2c0b 100644 (file)
--- a/lib-php/PlaceLookup.php
+++ b/lib-php/PlaceLookup.php
@@ -1,4 +1,12 @@
 <?php
+/**
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This file is part of Nominatim. (https://nominatim.org)
+ *
+ * Copyright (C) 2022 by the Nominatim developer community.
+ * For a full list of authors see the git log.
+ */
 
 namespace Nominatim;
 
@@ -340,7 +348,9 @@ class PlaceLookup
                     $sSQL .= '     null::text AS extra_place ';
                     $sSQL .= ' FROM (';
                     $sSQL .= '     SELECT place_id, ';    // interpolate the Tiger housenumbers here
-                    $sSQL .= '         ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) AS centroid, ';
+                    $sSQL .= '         CASE WHEN startnumber != endnumber';
+                    $sSQL .= '              THEN ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float)';
+                    $sSQL .= '              ELSE ST_LineInterpolatePoint(linegeo, 0.5) END AS centroid, ';
                     $sSQL .= '         parent_place_id, ';
                     $sSQL .= '         housenumber_for_place';
                     $sSQL .= '     FROM (';
@@ -397,7 +407,7 @@ class PlaceLookup
                 $sSQL .= '         CASE ';             // interpolate the housenumbers here
                 $sSQL .= '           WHEN startnumber != endnumber ';
                 $sSQL .= '           THEN ST_LineInterpolatePoint(linegeo, (housenumber_for_place-startnumber::float)/(endnumber-startnumber)::float) ';
-                $sSQL .= '           ELSE ST_LineInterpolatePoint(linegeo, 0.5) ';
+                $sSQL .= '           ELSE linegeo ';
                 $sSQL .= '         END as centroid, ';
                 $sSQL .= '         parent_place_id, ';
                 $sSQL .= '         housenumber_for_place ';