Added the synonym analyser for search fields

deepset-ai · Jan 28, 2022 · 51d15e3 · 51d15e3
1 parent e6d5af8
commit 51d15e3
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/haystack/document_stores/elasticsearch.py b/haystack/document_stores/elasticsearch.py
@@ -302,8 +302,13 @@ def _create_document_index(self, index_name: str, headers: Optional[Dict[str, st
                 }
             }
             if self.search_fields:
+                if self.synonyms:
+                    search_fields_mapping = {"type": "text", "analyzer": "synonym"}
+                else:
+                    search_fields_mapping = {"type": "text"}
+
                 for field in self.search_fields:
-                    mapping["mappings"]["properties"].update({field: {"type": "text"}})
+                    mapping["mappings"]["properties"].update({field: search_fields_mapping})
 
             if self.synonyms:
                 mapping["mappings"]["properties"][self.content_field] = {"type": "text", "analyzer": "synonym"}