add edict

initdb.d/01-function.sql

@@ -10,15 +10,12 @@ CREATE FUNCTION array_distinct(anyarray) RETURNS anyarray AS $f$
     SELECT array_agg(DISTINCT x) FROM unnest($1) t(x);
 $f$ LANGUAGE SQL IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION normalize_reading (TEXT[]) RETURNS TEXT[] AS
+CREATE OR REPLACE FUNCTION normalize_reading (TEXT) RETURNS TEXT[] AS
 $func$
 DECLARE
     s       TEXT;
     new_arr TEXT[] := '{}';
 BEGIN
-    FOREACH s IN ARRAY $1||'{}'::text[] LOOP
-        new_arr := new_arr||ARRAY[split_part(s,'.',1), replace(s,'.','')];
-    END LOOP;
-    RETURN new_arr;
+    RETURN ARRAY[split_part($1,'.',1), replace($1,'.','')];
 END;
 $func$ LANGUAGE plpgsql IMMUTABLE;