fix loading of data without wikipedia files

[nominatim.git] / sql / tiger_import_start.sql

diff --git a/sql/tiger_import_start.sql b/sql/tiger_import_start.sql
index 5acb3e59d6a9e73cdcdf2a894b27ab8bba25b6ac..ef55e11cc58a4502814c0144778bfbe8cb139e69 100644 (file)
--- a/sql/tiger_import_start.sql
+++ b/sql/tiger_import_start.sql
@@ -26,6 +26,11 @@ BEGIN
     endnumber = in_startnumber;
   END IF;
 
+  IF startnumber < 0 THEN
+    RAISE WARNING 'Negative house number range (% to %) on %, %', startnumber, endnumber, in_street, in_isin;
+    RETURN 0;
+  END IF;
+
   numberrange := endnumber - startnumber;
 
   IF (interpolationtype = 'odd' AND startnumber%2 = 0) OR (interpolationtype = 'even' AND startnumber%2 = 1) THEN