| CREATE FUNCTION pg_catalog.reverse(str text) | |
| RETURNS text | |
| AS $$ SELECT plvstr.rvrs($1,1,NULL);$$ | |
| LANGUAGE SQL IMMUTABLE STRICT; | |
| COMMENT ON FUNCTION pg_catalog.reverse(text) IS 'Reverse string or part of string'; | |
| CREATE FUNCTION concat(text, text) | |
| RETURNS text | |
| AS 'MODULE_PATHNAME','ora_concat' | |
| LANGUAGE C IMMUTABLE; | |
| COMMENT ON FUNCTION concat(text, text) IS 'Concat two strings'; | |
| COMMIT; |