2026-03-12 20:23:15

vg/awr_xplan_diff.sql

@@ -0,0 +1,103 @@
+@@header
+
+PROMPT 
+PROMPT #################################################################
+PROMPT #       SCRIPT NOT COMPLETED YET
+PROMPT #################################################################
+PROMPT 
+
+
+/*
+*
+*  Author     : Vishal Gupta
+*  Purpose    : Display different in execution plan from AWR
+*  Parameters : 1 - SQL_ID
+*             : 1 - PLAN_HASH_VALUE1 
+*             : 1 - PLAN_HASH_VALUE2 
+*               
+*
+*  Revision History:
+*  ===================
+*  Date       Author        Description
+*  ---------  ------------  -----------------------------------------
+*  18-Mar-12  Vishal Gupta  Intial version
+*
+*
+*/
+
+SET verify OFF
+
+VARIABLE sql_id VARCHAR2(13)
+VARIABLE plan_hash_value1 VARCHAR2(20)
+VARIABLE plan_hash_value2 VARCHAR2(20)
+
+BEGIN
+   :sql_id := '&&1';
+   :plan_hash_value1 := '&&2';
+   :plan_hash_value2 := '&&3';
+END;
+/
+
+PROMPT 
+PROMPT #################################################################
+PROMPT #       A L L    S Q L     P L A N   H A S H   V A L U E 
+PROMPT #################################################################
+
+SELECT p.sql_id
+     , p.plan_hash_value
+     , p.cost
+     , to_char(p.timestamp ,'DD-MON-YY HH24:MI:SS') "Date First Used"
+  FROM dba_hist_sql_plan p
+     , v$database d
+ WHERE d.dbid = p.dbid
+   AND p.sql_id = :sql_id 
+   AND p.id = 0 -- Top row which has cost as well
+ORDER BY timestamp desc
+/
+
+
+PROMPT 
+PROMPT 
+PROMPT #################################################################
+PROMPT #         A L L    E X E C U T I O N     P L A N S
+PROMPT #################################################################
+PROMPT 
+
+SET long 4000 
+SET longchunksize 400000 
+set pages 0
+
+COLUMN plan_table_output             HEADING "SQLText"  FORMAT a175 WRAP
+
+print :sql_id
+print :plan_hash_value1
+print :plan_hash_value2
+/*
+VARIABLE plan_diff VARCHAR2(4000)
+BEGIN
+:plan_diff := DBMS_XPLAN.diff_plan_awr( sql_id   => :sql_id  , plan_hash_value1 => :plan_hash_value1 ,  plan_hash_value2 => :plan_hash_value2) ;
+END;
+/
+
+print :plan_diff
+
+*/
+
+DECLARE
+  plan_diff VARCHAR2(4000);
+BEGIN
+plan_diff := DBMS_XPLAN.diff_plan_awr( sql_id   => :sql_id  , plan_hash_value1 => :plan_hash_value1 ,  plan_hash_value2 => :plan_hash_value2) ;
+DBMS_OUTPUT.put_line(plan_diff);
+END;
+/
+
+
+BEGIN
+   :sql_id := NULL;
+   :plan_hash_value1 := NULL;
+   :plan_hash_value2 := NULL;
+END;
+/
+
+
+@@footer