Files
oracle/csierra/cs_spbl_purge_outdated.sql
2026-03-12 21:23:47 +01:00

115 lines
3.9 KiB
SQL

----------------------------------------------------------------------------------------
--
-- File name: cs_spbl_purge_outdated.sql
--
-- Purpose: Purge Outdated SQL Plan Baselines
--
-- Author: Carlos Sierra
--
-- Version: 2021/01/23
--
-- Usage: Connecting into PDB.
--
-- Example: $ sqlplus / as sysdba
-- SQL> @cs_spbl_purge_outdated.sql
--
-- Notes: *** Requires Oracle Diagnostics Pack License ***
--
-- Developed and tested on 12.1.0.2.
--
---------------------------------------------------------------------------------------
--
@@cs_internal/cs_primary.sql
@@cs_internal/cs_cdb_warn.sql
@@cs_internal/cs_set.sql
@@cs_internal/cs_def.sql
@@cs_internal/cs_file_prefix.sql
--
DEF cs_script_name = 'cs_spbl_purge_outdated';
--
SELECT '&&cs_file_prefix._&&cs_script_name.' cs_file_name FROM DUAL;
--
@@cs_internal/cs_spool_head.sql
PRO SQL> @&&cs_script_name..sql
@@cs_internal/cs_spool_id.sql
--
PRO
PRO please wait ...
SET SERVEROUT ON;
WHENEVER SQLERROR EXIT FAILURE;
DECLARE
l_plans INTEGER;
BEGIN
FOR i IN (SELECT o.signature,
o.category,
o.obj_type,
o.plan_id,
t.sql_handle,
o.name AS plan_name,
DECODE(BITAND(o.flags, 1), 0, 'NO', 'YES') AS enabled,
a.description
FROM sys.sqlobj$ o,
sys.sqlobj$auxdata a,
sys.sql$text t
WHERE o.category = 'DEFAULT'
AND o.obj_type = 2
AND a.signature = o.signature
AND a.category = o.category
AND a.obj_type = o.obj_type
AND a.plan_id = o.plan_id
AND t.signature = o.signature
AND NOT EXISTS (
SELECT NULL
FROM sys.sqlobj$plan p
WHERE p.signature = o.signature
AND p.category = o.category
AND p.obj_type = o.obj_type
AND p.plan_id = o.plan_id
AND p.id = 1
AND ROWNUM = 1
)
AND NOT EXISTS (
SELECT NULL
FROM sys.sqlobj$data d
WHERE d.signature = o.signature
AND d.category = o.category
AND d.obj_type = o.obj_type
AND d.plan_id = o.plan_id
AND d.comp_data IS NOT NULL
AND ROWNUM = 1
)
ORDER BY
o.signature, o.category, o.obj_type, o.plan_id)
LOOP
DBMS_OUTPUT.put_line('Plan: '||i.plan_name||' '||i.description);
IF i.enabled = 'YES' THEN
DBMS_OUTPUT.put_line('Disabling Plan');
l_plans := DBMS_SPM.alter_sql_plan_baseline(sql_handle => i.sql_handle, plan_name => i.plan_name, attribute_name => 'ENABLED', attribute_value => 'NO');
DBMS_OUTPUT.put_line('Disabled '||l_plans||' Plan(s)');
END IF;
DBMS_OUTPUT.put_line('Fixing Corrupted Plan');
DELETE sys.sqlobj$plan WHERE signature = i.signature AND category = i.category AND obj_type = i.obj_type AND plan_id = i.plan_id AND id = 1;
INSERT INTO sys.sqlobj$plan (signature, category, obj_type, plan_id, id) VALUES (i.signature, i.category, i.obj_type, i.plan_id, 1);
COMMIT;
DBMS_OUTPUT.put_line('Droping Plan');
l_plans := DBMS_SPM.drop_sql_plan_baseline(sql_handle => i.sql_handle, plan_name => i.plan_name);
DBMS_OUTPUT.put_line('Dropped '||l_plans||' Plan(s)');
END LOOP;
DBMS_OUTPUT.put_line('Dropping Outdated Plan(s)');
l_plans := SYS.DBMS_SPM_INTERNAL.auto_purge_sql_plan_baseline;
DBMS_OUTPUT.put_line('Dropped '||l_plans||' Outdated Plan(s)');
END;
/
WHENEVER SQLERROR CONTINUE;
SET SERVEROUT OFF;
--
PRO
PRO SQL> @&&cs_script_name..sql
--
@@cs_internal/cs_spool_tail.sql
@@cs_internal/cs_undef.sql
@@cs_internal/cs_reset.sql
--