oracle 19c
Oracle 11g升级到19c后wm_concat不能使用
oracle 19c不能使用wm_concat
手动重建wm_concat
alter session set current_schema=wmsys ;
CREATE OR REPLACE TYPE WM_CONCAT_IMPL AS OBJECT
(
CURR_STR VARCHAR2(32767),
STATIC FUNCTION ODCIAGGREGATEINITIALIZE(SCTX IN OUT WM_CONCAT_IMPL) RETURN NUMBER,
MEMBER FUNCTION ODCIAGGREGATEITERATE(SELF IN OUT WM_CONCAT_IMPL,
P1 IN VARCHAR2) RETURN NUMBER,