Add prefix for UNACCENT in getsafexmlpath (#233)

* Add prefix for UNACCENT in getsafexmlpath

The restore of a backup won't work with UNACCENT without schema prefix.

* Bugfix

* Bugfix

* Remove accidentally left over file

migrations/000.341.sql

@@ -0,0 +1,25 @@
+-- Prefix UNACCENT with "public"
+
+CREATE OR REPLACE FUNCTION public.getsafexmlpath(val character varying, with_root integer DEFAULT 0)
+ RETURNS character varying
+ LANGUAGE plpgsql
+AS $function$
+BEGIN
+  IF with_root = 1 THEN
+    val = regexp_replace(val, '^\w+', 'root');
+  ELSIF with_root = 2 THEN
+    val = regexp_replace(val, '^\w+/', '');
+  END IF;
+
+  val = public.UNACCENT(val);
+  val = REGEXP_REPLACE(val, '[\., _]', '-', 'g');
+  val = REPLACE(val, '&', '-'); /* ampersand should always be blank but it gets fixed in below */
+  val = lower(val);
+  val = REGEXP_REPLACE(val, '-+', '-', 'g');
+  val = REGEXP_REPLACE(val, '[^\/\w\-]', '', 'g');
+
+  RETURN val;
+
+END;
+$function$
+;