use address counts for improving index lookup

[nominatim.git] / nominatim / api / search / legacy_tokenizer.py

diff --git a/nominatim/api/search/legacy_tokenizer.py b/nominatim/api/search/legacy_tokenizer.py
index 86d42a543d20ce8429770d16451e61f8b7ea1e4b..bd17706e5dff7c3fc5fd5f1d37eafe234fd809f1 100644 (file)
--- a/nominatim/api/search/legacy_tokenizer.py
+++ b/nominatim/api/search/legacy_tokenizer.py
@@ -210,6 +210,7 @@ class LegacyQueryAnalyzer(AbstractQueryAnalyzer):
 
         return LegacyToken(penalty=penalty, token=row.word_id,
                            count=row.search_name_count or 1,
 
         return LegacyToken(penalty=penalty, token=row.word_id,
                            count=row.search_name_count or 1,

+                           addr_count=1, # not supported

                            lookup_word=lookup_word,
                            word_token=row.word_token.strip(),
                            category=(rowclass, row.type) if rowclass is not None else None,
                            lookup_word=lookup_word,
                            word_token=row.word_token.strip(),
                            category=(rowclass, row.type) if rowclass is not None else None,


@@ -226,7 +227,7 @@ class LegacyQueryAnalyzer(AbstractQueryAnalyzer):
             if len(part) <= 4 and part.isdigit()\
                and not node.has_tokens(i+1, qmod.TokenType.HOUSENUMBER):
                 query.add_token(qmod.TokenRange(i, i+1), qmod.TokenType.HOUSENUMBER,
             if len(part) <= 4 and part.isdigit()\
                and not node.has_tokens(i+1, qmod.TokenType.HOUSENUMBER):
                 query.add_token(qmod.TokenRange(i, i+1), qmod.TokenType.HOUSENUMBER,

-                                LegacyToken(penalty=0.5, token=0, count=1,
+                                LegacyToken(penalty=0.5, token=0, count=1, addr_count=1,

                                             lookup_word=part, word_token=part,
                                             category=None, country=None,
                                             operator=None, is_indexed=True))
                                             lookup_word=part, word_token=part,
                                             category=None, country=None,
                                             operator=None, is_indexed=True))