HELP!!! the session hang with a merge into sql statement

This problem is due to merge into a bug caused it??
i have a product run on 10.2.0.4 . OS is aix 5.3 .
today i found the product running over 24,000 sec and the current sql have run 23,734.
Anomaly the sql Should be a quick end but run so long time.
the awrsql report sql plan is
Execution Plan
Id Operation Name Rows Bytes Cost (%CPU) Time
0 MERGE STATEMENT 4 (100)
1 MERGE TP_B_RB013_GL_MID
2 VIEW
3 NESTED LOOPS 1 4048 4 (50) 00:00:01
4 TABLE ACCESS BY INDEX ROWID TP_B_RB013_GL_MID 1 3549 0 (0)
5 INDEX RANGE SCAN IDX_GL_RB013_MID 1 0 (0)
6 VIEW PUSHED PREDICATE 1 499 4 (50) 00:00:01
7 WINDOW SORT PUSHED RANK 1 586 4 (50) 00:00:01
8 HASH JOIN 1 586 3 (34) 00:00:01
9 TABLE ACCESS BY INDEX ROWID GL_HIST_RB013 1 124 0 (0)
10 INDEX SKIP SCAN IDX_GL_RB013 1 0 (0)
11 TABLE ACCESS FULL GL_EVENT 1 462 2 (0) 00:00:01
sql_fulltext
MERGE INTO TP_B_RB013_GL_MID TP
USING (SELECT TRAN_NO,
B.EVENT_DEESC,
ROW_NUMBER () OVER (PARTITION BY TRAN_NO ORDER BY B.EVENT_DESC) I
FROM GL_HIST_RB013 A, GL_EVENT B
WHERE EVENT_TYPE IS NOT NULL AND A.EVENT_TYPE = B.EVENT_ID AND B.SDATE = :B1
) RES
ON ( RES.TRAN_NO = TP.BATCH_NO AND RES.I = 1 AND TP.REPORT_DATE = :B1 )
WHEN MATCHED THEN
UPDATE SET TP.EVENT_DESC = RES.EVENT_DESC
Focus is the table "GL_EVENT" have 0 row,the sql should do nothing.
This problem is due to merge into a bug caused it??
last is awrsqlrpt Please note cputime and buffer gets
WORKLOAD REPOSITORY SQL Report
Snapshot Period Summary
DB Name DB Id Instance Inst Num Release RAC Host
FTLPRD 3272430330 FTLPRD 1 10.2.0.4.0 NO bj1finteldb0
Snap Id Snap Time Sessions Curs/Sess
Begin Snap: 5022 26-11?-11 21:00:35 127 12.1
End Snap: 5030 27-11?-11 05:00:40 127 14.0
Elapsed: 480.09 (mins)
DB Time: 626.55 (mins)
SQL Summary DB/Inst: FTLPRD/FTLPRD Snaps: 5022-5030
Elapsed
SQL Id Time (ms)
a4j4qaqkvxr08 ##########
MERGE INTO TP_B_RB013_GL_MID TP USING (SELECT TRAN_NO, B.EVENT_DESC, ROW_NUMBER
() OVER (PARTITION BY TRAN_NO ORDER BY B.EVENT_DESC) I FROM GL_HIST_RB013 A, GL_
EVENT B WHERE EVENT_TYPE IS NOT NULL AND A.EVENT_TYPE = B.EVENT_ID AND B.SDATE =
:B1 ) RES ON ( RES.TRAN_NO = TP.BATCH_NO AND RES.I = 1 AND TP.REPORT_DATE = :B1
SQL ID: a4j4qaqkvxr08 DB/Inst: FTLPRD/FTLPRD Snaps: 5022-5030
-> 1st Capture and Last Capture Snap IDs
refer to Snapshot IDs witin the snapshot range
-> MERGE INTO TP_B_RB013_GL_MID TP USING (SELECT TRAN_NO, B.EVENT_DESC, R...
Plan Hash Total Elapsed 1st Capture Last Capture
# Value Time(ms) Executions Snap ID Snap ID
1 3274057091 23,733,870 0 5024 5030
Plan 1(PHV: 3274057091)
Plan Statistics DB/Inst: FTLPRD/FTLPRD Snaps: 5022-5030
-> % Total DB Time is the Elapsed Time of the SQL statement divided
into the Total Database Time multiplied by 100
Stat Name Statement Per Execution % Snap
Elapsed Time (ms) ########## N/A 63.1
CPU Time (ms) 23,734 N/A 94.7
Executions 0 N/A N/A
Buffer Gets 371,326,923 N/A 84.8
Disk Reads 16,740 N/A 0.2
Parse Calls 1 N/A 0.0
Rows 0 N/A N/A
User I/O Wait Time (ms) 145,938 N/A N/A
Cluster Wait Time (ms) 0 N/A N/A
Application Wait Time (ms) 0 N/A N/A
Concurrency Wait Time (ms) 2,348 N/A N/A
Invalidations 0 N/A N/A
Version Count 7 N/A N/A
Sharable Mem(KB) 435 N/A N/A
Execution Plan
Id Operation Name Rows Bytes Cost (%CPU) Time
0 MERGE STATEMENT 4 (100)
1 MERGE TP_B_RB013_GL_MID
2 VIEW
3 NESTED LOOPS 1 4048 4 (50) 00:00:01
4 TABLE ACCESS BY INDEX ROWID TP_B_RB013_GL_MID 1 3549 0 (0)
5 INDEX RANGE SCAN IDX_GL_RB013_MID 1 0 (0)
6 VIEW PUSHED PREDICATE 1 499 4 (50) 00:00:01
7 WINDOW SORT PUSHED RANK 1 586 4 (50) 00:00:01
8 HASH JOIN 1 586 3 (34) 00:00:01
9 TABLE ACCESS BY INDEX ROWID GL_HIST_RB013 1 124 0 (0)
10 INDEX SKIP SCAN IDX_GL_RB013 1 0 (0)
11 TABLE ACCESS FULL GL_EVENT 1 462 2 (0) 00:00:01
Full SQL Text
SQL ID SQL Text
a4j4qaqkvxr0 MERGE INTO TP_B_RB013_GL_MID TP USING (SELECT TRAN_NO, B.EVENT_DE
ESC, ROW_NUMBER () OVER (PARTITION BY TRAN_NO ORDER BY B.EVENT_DE
SC) I FROM GL_HIST_RB013 A, GL_EVENT B WHERE EVENT_TYPE IS NOT NU
LL AND A.EVENT_TYPE = B.EVENT_ID AND B.SDATE = :B1 ) RES ON ( RES
.TRAN_NO = TP.BATCH_NO AND RES.I = 1 AND TP.REPORT_DATE = :B1 ) W
HEN MATCHED THEN UPDATE SET TP.EVENT_DESC = RES.EVENT_DESC

Pl do not spam the forums with duplicate posts - HELP !!! session pending or suspend beacause a merginto sql

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Message was edited by:
kajbj

HELP!!! the session hang with a merge into sql statement

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