add documentation for new refresh command

[nominatim.git] / nominatim / tokenizer / icu_tokenizer.py

diff --git a/nominatim/tokenizer/icu_tokenizer.py b/nominatim/tokenizer/icu_tokenizer.py
index 7bc4720ef56ed82b4d8fe45f484ea8a386ade422..b553dbc641d708175e8f7281f05cf14cf4673484 100644 (file)
--- a/nominatim/tokenizer/icu_tokenizer.py
+++ b/nominatim/tokenizer/icu_tokenizer.py
@@ -51,7 +51,7 @@ class LegacyICUTokenizer(AbstractTokenizer):
         """
         self.loader = ICURuleLoader(config)
 
-        self._install_php(config.lib_dir.php)
+        self._install_php(config.lib_dir.php, overwrite=True)
         self._save_config()
 
         if init_db:
@@ -67,6 +67,8 @@ class LegacyICUTokenizer(AbstractTokenizer):
         with connect(self.dsn) as conn:
             self.loader.load_config_from_db(conn)
 
+        self._install_php(config.lib_dir.php, overwrite=False)
+
 
     def finalize_import(self, config):
         """ Do any required postprocessing to make the tokenizer data ready
@@ -119,12 +121,13 @@ class LegacyICUTokenizer(AbstractTokenizer):
             if not conn.table_exists('search_name'):
                 return
             with conn.cursor(name="hnr_counter") as cur:
-                cur.execute("""SELECT word_id, word_token FROM word
+                cur.execute("""SELECT DISTINCT word_id, coalesce(info->>'lookup', word_token)
+                               FROM word
                                WHERE type = 'H'
                                  AND NOT EXISTS(SELECT * FROM search_name
                                                 WHERE ARRAY[word.word_id] && name_vector)
-                                 AND (char_length(word_token) > 6
-                                      OR word_token not similar to '\\d+')
+                                 AND (char_length(coalesce(word, word_token)) > 6
+                                      OR coalesce(word, word_token) not similar to '\\d+')
                             """)
                 candidates = {token: wid for wid, token in cur}
             with conn.cursor(name="hnr_counter") as cur:
@@ -137,6 +140,7 @@ class LegacyICUTokenizer(AbstractTokenizer):
                     for hnr in row[0].split(';'):
                         candidates.pop(hnr, None)
             LOG.info("There are %s outdated housenumbers.", len(candidates))
+            LOG.debug("Outdated housenumbers: %s", candidates.keys())
             if candidates:
                 with conn.cursor() as cur:
                     cur.execute("""DELETE FROM word WHERE word_id = any(%s)""",
@@ -172,16 +176,18 @@ class LegacyICUTokenizer(AbstractTokenizer):
                                      self.loader.make_token_analysis())
 
 
-    def _install_php(self, phpdir):
+    def _install_php(self, phpdir, overwrite=True):
         """ Install the php script for the tokenizer.
         """
         php_file = self.data_dir / "tokenizer.php"
-        php_file.write_text(dedent(f"""\
-            <?php
-            @define('CONST_Max_Word_Frequency', 10000000);
-            @define('CONST_Term_Normalization_Rules', "{self.loader.normalization_rules}");
-            @define('CONST_Transliteration', "{self.loader.get_search_rules()}");
-            require_once('{phpdir}/tokenizer/icu_tokenizer.php');"""))
+
+        if not php_file.exists() or overwrite:
+            php_file.write_text(dedent(f"""\
+                <?php
+                @define('CONST_Max_Word_Frequency', 10000000);
+                @define('CONST_Term_Normalization_Rules', "{self.loader.normalization_rules}");
+                @define('CONST_Transliteration', "{self.loader.get_search_rules()}");
+                require_once('{phpdir}/tokenizer/icu_tokenizer.php');"""))
 
 
     def _save_config(self):
@@ -588,7 +594,7 @@ class LegacyICUNameAnalyzer(AbstractAnalyzer):
                     continue
 
                 with self.conn.cursor() as cur:
-                    cur.execute("SELECT (getorcreate_full_word(%s, %s)).*",
+                    cur.execute("SELECT * FROM getorcreate_full_word(%s, %s)",
                                 (token_id, variants))
                     full, part = cur.fetchone()