diff -r 000000000000 -r b97547f5f1fa misc/migration/2.45.0_Any.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/migration/2.45.0_Any.py	Wed Nov 05 15:52:50 2008 +0100
@@ -0,0 +1,18 @@
+# following functions have been renamed, but keep old definition for bw compat
+sql('''CREATE AGGREGATE group_concat (
+  basetype = anyelement,
+  sfunc = array_append,
+  stype = anyarray,
+  finalfunc = comma_join,
+  initcond = '{}'
+)''')
+
+sql('''CREATE FUNCTION text_limit_size (fulltext text, maxsize integer) RETURNS text AS $$
+BEGIN
+    RETURN limit_size(fulltext, 'text/plain', maxsize);
+END
+$$ LANGUAGE plpgsql;
+''')
+
+
+synchronize_rschema('bookmarked_by')