Error with Materialized View..

Question

Hi all,
I am getting the below error. plz help me in solving this...
sql> grant query rewrite to mtl_prodtune;
sql> alter session set query_rewrite_enabled=true;
sql> alter session set query_rewrite_integrity=enforced;
SQL> create materialized view MV_T_MDM_E2E_MATRIX_HDR
2 build immediate
3 refresh on commit
4 enable query rewrite
5 as
6 SELECT TMTP.three_pl_name_vc three_pl_name,taat.ASSET_TYPE_CODE_VC ASSET_TYPE_CODE,TAAT.asset_
type_name_vc asset_type_name,
7 tmtpa.ASSET_CODE_VC ASSET_CODE,TMTPA.asset_name_vc asset_name,TTA.activity_date_dt activity_dat
e,ttma.MAIN_ACTIVITY_CODE_VC MAIN_ACTIVITY_CODE,
8 ((select count(ttaa.activity_code_vc)from T_TXN_ASSET_ALLOCATION ttaa,T_TXN_ACTIVITY tta
9 where ttaa.ACTIVITY_CODE_VC=tta.ACTIVITY_CODE_VC
10 and ttma.MAIN_ACTIVITY_CODE_VC=tta.MAIN_ACTIVITY_CODE_VC and nvl(ttaa.vorr,-1) <> 1)*8)
11 /((ttma.NUMBER_OF_QUATERS_FL)*2) work_percent,
12 ((select count(ttaa.activity_code_vc)from T_TXN_ASSET_ALLOCATION ttaa,T_TXN_ACTIVITY tta
13 where ttaa.ACTIVITY_CODE_VC=tta.ACTIVITY_CODE_VC
14 and ttma.MAIN_ACTIVITY_CODE_VC=tta.MAIN_ACTIVITY_CODE_VC and nvl(ttaa.vorr,-1) = 1)*8)
15 /((ttma.NUMBER_OF_QUATERS_FL)*2) Vorr_percent,ROWNUM AS RN
16 FROM t_mdm_three_pl TMTP,
17 t_adm_asset_type TAAT,
18 t_mdm_three_pl_assets TMTPA,
19 t_txn_asset_allocation TTAA,
20 t_txn_activity TTA,
21 t_txn_main_activity ttma
22 WHERE
23 TMTPA.asset_type_code_vc = TAAT.asset_type_code_vc
24 and TMTP.three_pl_code_vc = TMTPA.three_pl_code_vc
25 AND TMTPA.asset_code_vc = TTAA.asset_code_vc
26 AND TTAA.activity_code_vc = TTA.activity_code_vc
27 and ttma.MAIN_ACTIVITY_CODE_VC=tta.MAIN_ACTIVITY_CODE_VC;
and ttma.MAIN_ACTIVITY_CODE_VC=tta.MAIN_ACTIVITY_CODE_VC
ERROR at line 27:
ORA-30353: expression not supported for query rewrite
thanks in advance,
Abdul rafi.

Answer 1

Please remove ROWNUM AS RN from your query then try like
create materialized view MV_T_MDM_E2E_MATRIX_HDR
build immediate
refresh on commit
enable query rewrite
as
SELECT
     TMTP.three_pl_name_vc three_pl_name,
     taat.ASSET_TYPE_CODE_VC ASSET_TYPE_CODE,
     TAAT.asset_type_name_vc asset_type_name,
     tmtpa.ASSET_CODE_VC ASSET_CODE,
     TMTPA.asset_name_vc asset_name,
     TTA.activity_date_dt activity_dat,
     ttma.MAIN_ACTIVITY_CODE_VC MAIN_ACTIVITY_CODE,
     ((select count(ttaa.activity_code_vc)from T_TXN_ASSET_ALLOCATION ttaa,T_TXN_ACTIVITY tta
           where ttaa.ACTIVITY_CODE_VC=tta.ACTIVITY_CODE_VC
           and ttma.MAIN_ACTIVITY_CODE_VC=tta.MAIN_ACTIVITY_CODE_VC and nvl(ttaa.vorr,-1) 1)*8)
      /((ttma.NUMBER_OF_QUATERS_FL)*2) work_percent,
     ((select count(ttaa.activity_code_vc)from T_TXN_ASSET_ALLOCATION ttaa,T_TXN_ACTIVITY tta
           where ttaa.ACTIVITY_CODE_VC=tta.ACTIVITY_CODE_VC
           and ttma.MAIN_ACTIVITY_CODE_VC=tta.MAIN_ACTIVITY_CODE_VC and nvl(ttaa.vorr,-1) = 1)*8)
      /((ttma.NUMBER_OF_QUATERS_FL)*2) Vorr_percent
FROM
      t_mdm_three_pl TMTP,
      t_adm_asset_type TAAT,
      t_mdm_three_pl_assets TMTPA,
      t_txn_asset_allocation TTAA,
      t_txn_activity TTA,
      t_txn_main_activity ttma
WHERE
     TMTPA.asset_type_code_vc = TAAT.asset_type_code_vc
     and TMTP.three_pl_code_vc = TMTPA.three_pl_code_vc
     AND TMTPA.asset_code_vc = TTAA.asset_code_vc
     AND TTAA.activity_code_vc = TTA.activity_code_vc
     and ttma.MAIN_ACTIVITY_CODE_VC=tta.MAIN_ACTIVITY_CODE_VC;
     and ttma.MAIN_ACTIVITY_CODE_VC=tta.MAIN_ACTIVITY_CODE_VC