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[nominatim.git] / lib-sql / functions / normalization.sql

diff --git a/lib-sql/functions/normalization.sql b/lib-sql/functions/normalization.sql
index 8bb4915bbf8612ab858c98345409bbef57ff6eb0..f283f9165d9e324590ecbdaaa5fc9fc872651e16 100644 (file)
--- a/lib-sql/functions/normalization.sql
+++ b/lib-sql/functions/normalization.sql
@@ -1,12 +1,12 @@
 -- Functions for term normalisation and access to the 'word' table.
 
 CREATE OR REPLACE FUNCTION transliteration(text) RETURNS text
 -- Functions for term normalisation and access to the 'word' table.
 
 CREATE OR REPLACE FUNCTION transliteration(text) RETURNS text

-  AS '{modulepath}/nominatim.so', 'transliteration'
+  AS '{{ modulepath }}/nominatim.so', 'transliteration'

 LANGUAGE c IMMUTABLE STRICT;
 
 
 CREATE OR REPLACE FUNCTION gettokenstring(text) RETURNS text
 LANGUAGE c IMMUTABLE STRICT;
 
 
 CREATE OR REPLACE FUNCTION gettokenstring(text) RETURNS text

-  AS '{modulepath}/nominatim.so', 'gettokenstring'
+  AS '{{ modulepath }}/nominatim.so', 'gettokenstring'

 LANGUAGE c IMMUTABLE STRICT;
 
 
 LANGUAGE c IMMUTABLE STRICT;
 
 


@@ -47,6 +47,25 @@ END;
 $$
 LANGUAGE plpgsql;
 
 $$
 LANGUAGE plpgsql;
 

+-- Create housenumber tokens from an OSM addr:housenumber.
+-- The housnumber is split at comma and semicolon as necessary.
+-- The function returns the normalized form of the housenumber suitable
+-- for comparison.
+CREATE OR REPLACE FUNCTION create_housenumber_id(housenumber TEXT)
+  RETURNS TEXT
+  AS $$
+DECLARE
+  normtext TEXT;
+BEGIN
+  SELECT array_to_string(array_agg(trans), ';')
+    INTO normtext
+    FROM (SELECT lookup_word as trans, getorcreate_housenumber_id(lookup_word)
+          FROM (SELECT make_standard_name(h) as lookup_word
+                FROM regexp_split_to_table(housenumber, '[,;]') h) x) y;
+
+  return normtext;
+END;
+$$ LANGUAGE plpgsql STABLE STRICT;

 
 CREATE OR REPLACE FUNCTION getorcreate_housenumber_id(lookup_word TEXT)
   RETURNS INTEGER
 
 CREATE OR REPLACE FUNCTION getorcreate_housenumber_id(lookup_word TEXT)
   RETURNS INTEGER