fail if osm2pgsql is not recent enough

[nominatim.git] / src / nominatim_api / search / db_search_builder.py

diff --git a/src/nominatim_api/search/db_search_builder.py b/src/nominatim_api/search/db_search_builder.py
index 29a853a0f387504db8ed651655256e66b54ea363..6453509ebce93d5ba26433742cb8263c87eb7045 100644 (file)
--- a/src/nominatim_api/search/db_search_builder.py
+++ b/src/nominatim_api/search/db_search_builder.py
@@ -167,7 +167,12 @@ class SearchBuilder:
         expected_count = sum(t.count for t in hnrs)
 
         partials = {t.token: t.addr_count for trange in address
-                       for t in self.query.get_partials_list(trange)}
+                       for t in self.query.get_partials_list(trange)
+                       if t.is_indexed}
+
+        if not partials:
+            # can happen when none of the partials is indexed
+            return
 
         if expected_count < 8000:
             sdata.lookups.append(dbf.FieldLookup('nameaddress_vector',
@@ -275,7 +280,7 @@ class SearchBuilder:
                               use_lookup: bool) -> List[dbf.FieldLookup]:
         """ Create a ranking expression with full name terms and
             additional address lookup. When 'use_lookup' is true, then
-            address lookups will use the index, when the occurences are not
+            address lookups will use the index, when the occurrences are not
             too many.
         """
         # At this point drop unindexed partials from the address.