From: Sarah Hoffmann <lonvia@denofr.de>
Date: Wed, 6 Sep 2023 08:43:55 +0000 (+0200)
Subject: restrict deduplication to results from placex
X-Git-Tag: v4.3.0~3
X-Git-Url: https://git.openstreetmap.org./nominatim.git/commitdiff_plain/8b56b55761d0dcc817544f9c23e4a6c43e0f5d9d

restrict deduplication to results from placex

All other sources do not have deduplicatable entries.
---

diff --git a/nominatim/api/v1/helpers.py b/nominatim/api/v1/helpers.py
index 6a646e4f..13087280 100644
--- a/nominatim/api/v1/helpers.py
+++ b/nominatim/api/v1/helpers.py
@@ -108,15 +108,18 @@ def deduplicate_results(results: SearchResults, max_results: int) -> SearchResul
             assert result.names and 'ref' in result.names
             if any(_is_postcode_relation_for(r, result.names['ref']) for r in results):
                 continue
-        classification = (result.osm_object[0] if result.osm_object else None,
-                          result.category,
-                          result.display_name,
-                          result.rank_address)
-        if result.osm_object not in osm_ids_done \
-           and classification not in classification_done:
+        if result.source_table == SourceTable.PLACEX:
+            classification = (result.osm_object[0] if result.osm_object else None,
+                              result.category,
+                              result.display_name,
+                              result.rank_address)
+            if result.osm_object not in osm_ids_done \
+               and classification not in classification_done:
+                deduped.append(result)
+            osm_ids_done.add(result.osm_object)
+            classification_done.add(classification)
+        else:
             deduped.append(result)
-        osm_ids_done.add(result.osm_object)
-        classification_done.add(classification)
         if len(deduped) >= max_results:
             break