switch word tokens to new word table layout

[nominatim.git] / lib-sql / tokenizer / legacy_icu_tokenizer.sql

diff --git a/lib-sql/tokenizer/legacy_icu_tokenizer.sql b/lib-sql/tokenizer/legacy_icu_tokenizer.sql
index 686137de5f11a5bbdeb350350340c91a508f93da..f4258f82644dfb9c8f878420295837b2a0f8f771 100644 (file)
--- a/lib-sql/tokenizer/legacy_icu_tokenizer.sql
+++ b/lib-sql/tokenizer/legacy_icu_tokenizer.sql
@@ -98,12 +98,14 @@ DECLARE
   term_count INTEGER;
 BEGIN
   SELECT min(word_id) INTO full_token
-    FROM word WHERE word = norm_term and class is null and country_code is null;
+    FROM word WHERE info->>'word' = norm_term and type = 'W';
 
   IF full_token IS NULL THEN
     full_token := nextval('seq_word');
-    INSERT INTO word (word_id, word_token, word, search_name_count)
-      SELECT full_token, ' ' || lookup_term, norm_term, 0 FROM unnest(lookup_terms) as lookup_term;
+    INSERT INTO word (word_id, word_token, info)
+      SELECT full_token, lookup_term,
+             json_build_object('word', norm_term, 'count', 0)
+        FROM unnest(lookup_terms) as lookup_term;
   END IF;
 
   FOR term IN SELECT unnest(string_to_array(unnest(lookup_terms), ' ')) LOOP
@@ -115,14 +117,14 @@ BEGIN
 
   partial_tokens := '{}'::INT[];
   FOR term IN SELECT unnest(partial_terms) LOOP
-    SELECT min(word_id), max(search_name_count) INTO term_id, term_count
-      FROM word WHERE word_token = term and class is null and country_code is null;
+    SELECT min(word_id), max(info->>'count') INTO term_id, term_count
+      FROM word WHERE word_token = term and type = 'w';
 
     IF term_id IS NULL THEN
       term_id := nextval('seq_word');
       term_count := 0;
-      INSERT INTO word (word_id, word_token, search_name_count)
-        VALUES (term_id, term, 0);
+      INSERT INTO word (word_id, word_token, info)
+        VALUES (term_id, term, json_build_object('count', term_count));
     END IF;
 
     IF term_count < {{ max_word_freq }} THEN
@@ -140,15 +142,13 @@ CREATE OR REPLACE FUNCTION getorcreate_hnr_id(lookup_term TEXT)
 DECLARE
   return_id INTEGER;
 BEGIN
-  SELECT min(word_id) INTO return_id
-    FROM word
-    WHERE word_token = '  '  || lookup_term
-          and class = 'place' and type = 'house';
+  SELECT min(word_id) INTO return_id FROM word
+    WHERE word_token = lookup_term and type = 'H';
 
   IF return_id IS NULL THEN
     return_id := nextval('seq_word');
-    INSERT INTO word (word_id, word_token, class, type, search_name_count)
-      VALUES (return_id, ' ' || lookup_term, 'place', 'house', 0);
+    INSERT INTO word (word_id, word_token, type)
+      VALUES (return_id, lookup_term, 'H');
   END IF;
 
   RETURN return_id;