2026-03-12 20:23:15

2026-03-12 21:23:47 +01:00
parent eab4b36eca
commit 93039b8489
3332 changed files with 699614 additions and 0 deletions
--- a/mhouri/loadSPMfromAWR.sql
+++ b/mhouri/loadSPMfromAWR.sql
@@ -0,0 +1,104 @@
+/* --|-------------------------------------------------------------------------|
+   --| Author 		: Mohamed Houri                                          --|
+   --| Date   		: 08/06/2022                                             --|
+   --| inspired by  : Carlos Sierra create_spb_from_awr.sq script            --|
+   --| Scope        : Create a SPM baseline from a historical execution plan --|
+   --| Usage        : @loadSPMfromAWR                                        --|
+   --| Remarks      : the begin and end snap must be different               --|
+   --|              : the plan hash value must be present in the end snap    --|
+   --|              : for example if you are in the following case           --|
+   --|                                                                       --|
+   --|				SQL> @loadSPMAWR                                         --|
+   --|				Enter sql_id: b64jvr5722ujx                              --|
+   --|				                                                         --|
+   --|				PLAN_HASH_VALUE AVG_ET_SECS EXECUTIONS_TOTAL             --|
+   --|				--------------- ----------- ----------------             --|
+   --|					1362763525   17.825681                1              --|
+   --|					1518369540                                           --|
+   --|				                                                         --|
+   --|				Enter Plan Hash Value: 1362763525                        --|
+   --|				                                                         --|
+   --|				BEGIN_SNAP_ID END_SNAP_ID                                --|
+   --|				------------- -----------                                --|
+   --|						692         692                                  --|
+   --|				                                                         --|
+   --|				Enter begin snap: 691 spot this                          --|
+   --|				Enter end   snap: 692                                    --|
+   --|				                                                         --|
+   --|				PL/SQL procedure successfully completed.                 --|
+   --|				                                                         --|
+   --|						RS                                               --|
+   --|				----------                                               --|
+   --|						1                                                --|
+     --|-----------------------------------------------------------------------| */
+
+acc sql_id prompt 'Enter sql_id: ';
+
+with p as 
+  (SELECT 
+     plan_hash_value
+   FROM 
+     dba_hist_sql_plan
+   WHERE 
+       sql_id = trim('&&sql_id.')
+   AND other_xml IS NOT NULL )
+,a as 
+  (SELECT 
+      plan_hash_value
+	 ,SUM(elapsed_time_total)/SUM(executions_total) avg_et_secs
+	 ,MAX(executions_total) executions_total
+   FROM 
+      dba_hist_sqlstat
+   WHERE 
+      sql_id = TRIM('&&sql_id.')
+   AND executions_total > 0
+   GROUP BY
+       plan_hash_value
+  )
+SELECT 
+   p.plan_hash_value
+  ,ROUND(a.avg_et_secs/1e6, 6) avg_et_secs
+  ,a.executions_total
+FROM 
+    p,a
+WHERE 
+  p.plan_hash_value = a.plan_hash_value(+)
+ORDER BY
+   avg_et_secs NULLS LAST;
+
+acc plan_hash_value prompt 'Enter Plan Hash Value: ';
+
+COL dbid new_v dbid NOPRI;
+SELECT dbid FROM v$database;
+
+col begin_snap_id new_v begin_snap_id;
+col end_snap_id   new_v end_snap_id;
+
+SELECT 
+     MIN(p.snap_id) begin_snap_id
+    ,MAX(p.snap_id) end_snap_id
+FROM 
+   dba_hist_sqlstat p
+  ,dba_hist_snapshot s
+ WHERE 
+       p.dbid = &&dbid
+   AND p.sql_id = '&&sql_id.'
+   AND p.plan_hash_value = to_number('&&plan_hash_value.')
+   AND s.snap_id = p.snap_id
+   AND s.dbid = p.dbid
+   AND s.instance_number = p.instance_number;
+
+acc begin_snap_id prompt 'Enter begin snap: ';
+acc end_snap_id prompt   'Enter end   snap: ';
+
+var rs number;
+
+begin
+  :rs := dbms_spm.load_plans_from_awr(begin_snap   => &&begin_snap_id.
+                                     ,end_snap     => &&end_snap_id.
+                                     ,basic_filter => q'# sql_id = TRIM('&&sql_id.') and plan_hash_value = TO_NUMBER('&&plan_hash_value.') #');
+end;
+/
+
+print rs;
+