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coe_xfr_sql_profile.sql

原创 Oracle 作者:dbtianti 时间:2014-12-12 14:50:47 0 删除 编辑

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  1. SPO coe_xfr_sql_profile.log;
  2. SET DEF ON TERM OFF ECHO ON FEED OFF VER OFF HEA ON LIN 2000 PAGES 100 LONG 8000000 LONGC 800000 TRIMS ON TI OFF TIMI OFF SERVEROUT ON SIZE 1000000 NUMF \"\" SQLP SQL>;
  3. SET SERVEROUT ON SIZE UNL;
  4. REM
  5. REM $Header: 215187.1 coe_xfr_sql_profile.sql 11.4.3.5 2011/08/10 carlos.sierra $
  6. REM
  7. REM Copyright (c) 2000-2011, Oracle Corporation. All rights reserved.
  8. REM
  9. REM AUTHOR
  10. REM carlos.sierra@oracle.com
  11. REM
  12. REM SCRIPT
  13. REM coe_xfr_sql_profile.sql
  14. REM
  15. REM DESCRIPTION
  16. REM This script generates another that contains the commands to
  17. REM create a manual custom SQL Profile out of a known plan from
  18. REM memory or AWR. The manual custom profile can be implemented
  19. REM into the same SOURCE system where the plan was retrieved,
  20. REM or into another similar TARGET system that has same schema
  21. REM objects referenced by the SQL that generated the known plan.
  22. REM
  23. REM PRE-REQUISITES
  24. REM 1. Oracle Tuning Pack license.
  25. REM
  26. REM PARAMETERS
  27. REM 1. SQL_ID (required)
  28. REM 2. Plan Hash Value for which a manual custom SQL Profile is
  29. REM needed (required). A list of known plans is presented.
  30. REM
  31. REM EXECUTION
  32. REM 1. Connect into SQL*Plus as SYSDBA or user with access to
  33. REM data dictionary.
  34. REM 2. Execute script coe_xfr_sql_profile.sql passing SQL_ID and
  35. REM plan hash value (parameters can be passed inline or until
  36. REM requested).
  37. REM
  38. REM EXAMPLE
  39. REM # sqlplus system
  40. REM SQL> START coe_xfr_sql_profile.sql [SQL_ID] [PLAN_HASH_VALUE];
  41. REM SQL> START coe_xfr_sql_profile.sql gnjy0mn4y9pbm 2055843663;
  42. REM SQL> START coe_xfr_sql_profile.sql gnjy0mn4y9pbm;
  43. REM SQL> START coe_xfr_sql_profile.sql;
  44. REM
  45. REM NOTES
  46. REM 1. For possible errors see coe_xfr_sql_profile.log
  47. REM 2. If SQLT is installed in SOURCE, you can use instead:
  48. REM sqlt/utl/sqltprofile.sql
  49. REM 3. Be aware that using DBMS_SQLTUNE requires a license for
  50. REM Oracle Tuning Pack.
  51. REM
  52. SET TERM ON ECHO OFF;
  53. PRO
  54. PRO Parameter 1:
  55. PRO SQL_ID (required)
  56. PRO
  57. DEF sql_id = \'&1\';
  58. PRO
  59. WITH
  60. p AS (
  61. SELECT plan_hash_value
  62.   FROM gv$sql_plan
  63.  WHERE sql_id = TRIM(\'&&sql_id.\')
  64.    AND other_xml IS NOT NULL
  65.  UNION
  66. SELECT plan_hash_value
  67.   FROM dba_hist_sql_plan
  68.  WHERE sql_id = TRIM(\'&&sql_id.\')
  69.    AND other_xml IS NOT NULL ),
  70. m AS (
  71. SELECT plan_hash_value,
  72.        SUM(elapsed_time)/SUM(executions) avg_et_secs
  73.   FROM gv$sql
  74.  WHERE sql_id = TRIM(\'&&sql_id.\')
  75.    AND executions > 0
  76.  GROUP BY
  77.        plan_hash_value ),
  78. a AS (
  79. SELECT plan_hash_value,
  80.        SUM(elapsed_time_total)/SUM(executions_total) avg_et_secs
  81.   FROM dba_hist_sqlstat
  82.  WHERE sql_id = TRIM(\'&&sql_id.\')
  83.    AND executions_total > 0
  84.  GROUP BY
  85.        plan_hash_value )
  86. SELECT p.plan_hash_value,
  87.        ROUND(NVL(m.avg_et_secs, a.avg_et_secs)/1e6, 3) avg_et_secs
  88.   FROM p, m, a
  89.  WHERE p.plan_hash_value = m.plan_hash_value(+)
  90.    AND p.plan_hash_value = a.plan_hash_value(+)
  91.  ORDER BY
  92.        avg_et_secs NULLS LAST;
  93. PRO
  94. PRO Parameter 2:
  95. PRO PLAN_HASH_VALUE (required)
  96. PRO
  97. DEF plan_hash_value = \'&2\';
  98. PRO
  99. PRO Values passed to coe_xfr_sql_profile:
  100. PRO ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  101. PRO SQL_ID : \"&&sql_id.\"
  102. PRO PLAN_HASH_VALUE: \"&&plan_hash_value.\"
  103. PRO
  104. SET TERM OFF ECHO ON;
  105. WHENEVER SQLERROR EXIT SQL.SQLCODE;

  106. -- trim parameters
  107. COL sql_id NEW_V sql_id FOR A30;
  108. COL plan_hash_value NEW_V plan_hash_value FOR A30;
  109. SELECT TRIM(\'&&sql_id.\') sql_id, TRIM(\'&&plan_hash_value.\') plan_hash_value FROM DUAL;

  110. VAR sql_text CLOB;
  111. VAR other_xml CLOB;
  112. EXEC :sql_text := NULL;
  113. EXEC :other_xml := NULL;

  114. -- get sql_text from memory
  115. DECLARE
  116.   l_sql_text VARCHAR2(32767);
  117. BEGIN -- 10g see bug 5017909
  118.   FOR i IN (SELECT DISTINCT piece, sql_text
  119.               FROM gv$sqltext_with_newlines
  120.              WHERE sql_id = TRIM(\'&&sql_id.\')
  121.              ORDER BY 1, 2)
  122.   LOOP
  123.     IF :sql_text IS NULL THEN
  124.       DBMS_LOB.CREATETEMPORARY(:sql_text, TRUE);
  125.       DBMS_LOB.OPEN(:sql_text, DBMS_LOB.LOB_READWRITE);
  126.     END IF;
  127.     l_sql_text := REPLACE(i.sql_text, CHR(00), \' \');
  128.     DBMS_LOB.WRITEAPPEND(:sql_text, LENGTH(l_sql_text), l_sql_text);
  129.   END LOOP;
  130.   IF :sql_text IS NOT NULL THEN
  131.     DBMS_LOB.CLOSE(:sql_text);
  132.   END IF;
  133. EXCEPTION
  134.   WHEN OTHERS THEN
  135.     DBMS_OUTPUT.PUT_LINE(\'getting sql_text from memory: \'||SQLERRM);
  136.     :sql_text := NULL;
  137. END;
  138. /

  139. -- get sql_text from awr
  140. BEGIN
  141.   IF :sql_text IS NULL OR NVL(DBMS_LOB.GETLENGTH(:sql_text), 0) = 0 THEN
  142.     SELECT REPLACE(sql_text, CHR(00), \' \')
  143.       INTO :sql_text
  144.       FROM dba_hist_sqltext
  145.      WHERE sql_id = TRIM(\'&&sql_id.\')
  146.        AND sql_text IS NOT NULL
  147.        AND ROWNUM = 1;
  148.   END IF;
  149. EXCEPTION
  150.   WHEN OTHERS THEN
  151.     DBMS_OUTPUT.PUT_LINE(\'getting sql_text from awr: \'||SQLERRM);
  152.     :sql_text := NULL;
  153. END;
  154. /

  155. SELECT :sql_text FROM DUAL;

  156. -- validate sql_text
  157. SET TERM ON;
  158. BEGIN
  159.   IF :sql_text IS NULL THEN
  160.     RAISE_APPLICATION_ERROR(-20100, \'SQL_TEXT for SQL_ID &&sql_id. was not found in memory (gv$sqltext_with_newlines) or AWR (dba_hist_sqltext).\');
  161.   END IF;
  162. END;
  163. /
  164. SET TERM OFF;

  165. -- to avoid errors when sql_text lacks LFs and is more than 2000 bytes
  166. BEGIN
  167.   :sql_text := REPLACE(:sql_text, \')\', \')\'||CHR(10));
  168.   :sql_text := REPLACE(:sql_text, \',\', \',\'||CHR(10));
  169.   -- remove consecutive LFs
  170.   :sql_text := REPLACE(:sql_text, CHR(10)||CHR(10)||CHR(10)||CHR(10)||CHR(10), CHR(10));
  171.   :sql_text := REPLACE(:sql_text, CHR(10)||CHR(10)||CHR(10), CHR(10));
  172.   :sql_text := REPLACE(:sql_text, CHR(10)||CHR(10), CHR(10));
  173. END;
  174. /

  175. SELECT :sql_text FROM DUAL;

  176. -- get other_xml from memory
  177. BEGIN
  178.   FOR i IN (SELECT other_xml
  179.               FROM gv$sql_plan
  180.              WHERE sql_id = TRIM(\'&&sql_id.\')
  181.                AND plan_hash_value = TO_NUMBER(TRIM(\'&&plan_hash_value.\'))
  182.                AND other_xml IS NOT NULL
  183.              ORDER BY
  184.                    child_number, id)
  185.   LOOP
  186.     :other_xml := i.other_xml;
  187.     EXIT; -- 1st
  188.   END LOOP;
  189. EXCEPTION
  190.   WHEN OTHERS THEN
  191.     DBMS_OUTPUT.PUT_LINE(\'getting other_xml from memory: \'||SQLERRM);
  192.     :other_xml := NULL;
  193. END;
  194. /

  195. -- get other_xml from awr
  196. BEGIN
  197.   IF :other_xml IS NULL OR NVL(DBMS_LOB.GETLENGTH(:other_xml), 0) = 0 THEN
  198.     FOR i IN (SELECT other_xml
  199.                 FROM dba_hist_sql_plan
  200.                WHERE sql_id = TRIM(\'&&sql_id.\')
  201.                  AND plan_hash_value = TO_NUMBER(TRIM(\'&&plan_hash_value.\'))
  202.                  AND other_xml IS NOT NULL
  203.                ORDER BY
  204.                      id)
  205.     LOOP
  206.       :other_xml := i.other_xml;
  207.       EXIT; -- 1st
  208.     END LOOP;
  209.   END IF;
  210. EXCEPTION
  211.   WHEN OTHERS THEN
  212.     DBMS_OUTPUT.PUT_LINE(\'getting other_xml from awr: \'||SQLERRM);
  213.     :other_xml := NULL;
  214. END;
  215. /

  216. SELECT :other_xml FROM DUAL;

  217. -- validate other_xml
  218. SET TERM ON;
  219. BEGIN
  220.   IF :other_xml IS NULL THEN
  221.     RAISE_APPLICATION_ERROR(-20101, \'PLAN for SQL_ID &&sql_id. and PHV &&plan_hash_value. was not found in memory (gv$sql_plan) or AWR (dba_hist_sql_plan).\');
  222.   END IF;
  223. END;
  224. /
  225. SET TERM OFF;

  226. -- generates script that creates sql profile in target system:
  227. SET ECHO OFF;
  228. PRO coe_xfr_sql_profile_&&sql_id._&&plan_hash_value..sql.
  229. SET FEED OFF LIN 666 TRIMS ON TI OFF TIMI OFF SERVEROUT ON SIZE 1000000 FOR WOR;
  230. SET SERVEROUT ON SIZE UNL FOR WOR;
  231. SPO OFF;
  232. SPO coe_xfr_sql_profile_&&sql_id._&&plan_hash_value..sql;
  233. DECLARE
  234.   l_pos NUMBER;
  235.   l_hint VARCHAR2(32767);
  236. BEGIN
  237.   DBMS_OUTPUT.PUT_LINE(\'SPO coe_xfr_sql_profile_&&sql_id._&&plan_hash_value..log;\');
  238.   DBMS_OUTPUT.PUT_LINE(\'SET ECHO ON TERM ON LIN 2000 TRIMS ON NUMF 99999999999999999999;\');
  239.   DBMS_OUTPUT.PUT_LINE(\'REM\');
  240.   DBMS_OUTPUT.PUT_LINE(\'REM $Header: 215187.1 coe_xfr_sql_profile_&&sql_id._&&plan_hash_value..sql 11.4.3.5 \'||TO_CHAR(SYSDATE, \'YYYY/MM/DD\')||\' carlos.sierra $\');
  241.   DBMS_OUTPUT.PUT_LINE(\'REM\');
  242.   DBMS_OUTPUT.PUT_LINE(\'REM Copyright (c) 2000-2011, Oracle Corporation. All rights reserved.\');
  243.   DBMS_OUTPUT.PUT_LINE(\'REM\');
  244.   DBMS_OUTPUT.PUT_LINE(\'REM AUTHOR\');
  245.   DBMS_OUTPUT.PUT_LINE(\'REM carlos.sierra@oracle.com\');
  246.   DBMS_OUTPUT.PUT_LINE(\'REM\');
  247.   DBMS_OUTPUT.PUT_LINE(\'REM SCRIPT\');
  248.   DBMS_OUTPUT.PUT_LINE(\'REM coe_xfr_sql_profile_&&sql_id._&&plan_hash_value..sql\');
  249.   DBMS_OUTPUT.PUT_LINE(\'REM\');
  250.   DBMS_OUTPUT.PUT_LINE(\'REM DESCRIPTION\');
  251.   DBMS_OUTPUT.PUT_LINE(\'REM This script is generated by coe_xfr_sql_profile.sql\');
  252.   DBMS_OUTPUT.PUT_LINE(\'REM It contains the SQL*Plus commands to create a custom\');
  253.   DBMS_OUTPUT.PUT_LINE(\'REM SQL Profile for SQL_ID &&sql_id. based on plan hash\');
  254.   DBMS_OUTPUT.PUT_LINE(\'REM value &&plan_hash_value..\');
  255.   DBMS_OUTPUT.PUT_LINE(\'REM The custom SQL Profile to be created by this script\');
  256.   DBMS_OUTPUT.PUT_LINE(\'REM will affect plans for SQL commands with signature\');
  257.   DBMS_OUTPUT.PUT_LINE(\'REM matching the one for SQL Text below.\');
  258.   DBMS_OUTPUT.PUT_LINE(\'REM Review SQL Text and adjust accordingly.\');
  259.   DBMS_OUTPUT.PUT_LINE(\'REM\');
  260.   DBMS_OUTPUT.PUT_LINE(\'REM PARAMETERS\');
  261.   DBMS_OUTPUT.PUT_LINE(\'REM None.\');
  262.   DBMS_OUTPUT.PUT_LINE(\'REM\');
  263.   DBMS_OUTPUT.PUT_LINE(\'REM EXAMPLE\');
  264.   DBMS_OUTPUT.PUT_LINE(\'REM SQL> START coe_xfr_sql_profile_&&sql_id._&&plan_hash_value..sql;\');
  265.   DBMS_OUTPUT.PUT_LINE(\'REM\');
  266.   DBMS_OUTPUT.PUT_LINE(\'REM NOTES\');
  267.   DBMS_OUTPUT.PUT_LINE(\'REM 1. Should be run as SYSTEM or SYSDBA.\');
  268.   DBMS_OUTPUT.PUT_LINE(\'REM 2. User must have CREATE ANY SQL PROFILE privilege.\');
  269.   DBMS_OUTPUT.PUT_LINE(\'REM 3. SOURCE and TARGET systems can be the same or similar.\');
  270.   DBMS_OUTPUT.PUT_LINE(\'REM 4. To drop this custom SQL Profile after it has been created:\');
  271.   DBMS_OUTPUT.PUT_LINE(\'REM EXEC DBMS_SQLTUNE.DROP_SQL_PROFILE(\'\'coe_&&sql_id._&&plan_hash_value.\'\');\');
  272.   DBMS_OUTPUT.PUT_LINE(\'REM 5. Be aware that using DBMS_SQLTUNE requires a license\');
  273.   DBMS_OUTPUT.PUT_LINE(\'REM for the Oracle Tuning Pack.\');
  274.   DBMS_OUTPUT.PUT_LINE(\'REM\');
  275.   DBMS_OUTPUT.PUT_LINE(\'WHENEVER SQLERROR EXIT SQL.SQLCODE;\');
  276.   DBMS_OUTPUT.PUT_LINE(\'REM\');
  277.   DBMS_OUTPUT.PUT_LINE(\'VAR signature NUMBER;\');
  278.   DBMS_OUTPUT.PUT_LINE(\'REM\');
  279.   DBMS_OUTPUT.PUT_LINE(\'DECLARE\');
  280.   DBMS_OUTPUT.PUT_LINE(\'sql_txt CLOB;\');
  281.   DBMS_OUTPUT.PUT_LINE(\'h SYS.SQLPROF_ATTR;\');
  282.   DBMS_OUTPUT.PUT_LINE(\'BEGIN\');
  283.   DBMS_OUTPUT.PUT_LINE(\'sql_txt := q\'\'[\');
  284.   WHILE NVL(LENGTH(:sql_text), 0) > 0
  285.   LOOP
  286.     l_pos := INSTR(:sql_text, CHR(10));
  287.     IF l_pos > 0 THEN
  288.       DBMS_OUTPUT.PUT_LINE(SUBSTR(:sql_text, 1, l_pos - 1));
  289.       :sql_text := SUBSTR(:sql_text, l_pos + 1);
  290.     ELSE
  291.       DBMS_OUTPUT.PUT_LINE(:sql_text);
  292.       :sql_text := NULL;
  293.     END IF;
  294.   END LOOP;
  295.   DBMS_OUTPUT.PUT_LINE(\']\'\';\');
  296.   DBMS_OUTPUT.PUT_LINE(\'h := SYS.SQLPROF_ATTR(\');
  297.   DBMS_OUTPUT.PUT_LINE(\'q\'\'[BEGIN_OUTLINE_DATA]\'\',\');
  298.   FOR i IN (SELECT /*+ opt_param(\'parallel_execution_enabled\', \'false\') */
  299.                    SUBSTR(EXTRACTVALUE(VALUE(d), \'/hint\'), 1, 4000) hint
  300.               FROM TABLE(XMLSEQUENCE(EXTRACT(XMLTYPE(:other_xml), \'/*/outline_data/hint\'))) d)
  301.   LOOP
  302.     l_hint := i.hint;
  303.     WHILE NVL(LENGTH(l_hint), 0) > 0
  304.     LOOP
  305.       IF LENGTH(l_hint) <= 500 THEN
  306.         DBMS_OUTPUT.PUT_LINE(\'q\'\'[\'||l_hint||\']\'\',\');
  307.         l_hint := NULL;
  308.       ELSE
  309.         l_pos := INSTR(SUBSTR(l_hint, 1, 500), \' \', -1);
  310.         DBMS_OUTPUT.PUT_LINE(\'q\'\'[\'||SUBSTR(l_hint, 1, l_pos)||\']\'\',\');
  311.         l_hint := \' \'||SUBSTR(l_hint, l_pos);
  312.       END IF;
  313.     END LOOP;
  314.   END LOOP;
  315.   DBMS_OUTPUT.PUT_LINE(\'q\'\'[END_OUTLINE_DATA]\'\');\');
  316.   DBMS_OUTPUT.PUT_LINE(\':signature := DBMS_SQLTUNE.SQLTEXT_TO_SIGNATURE(sql_txt);\');
  317.   DBMS_OUTPUT.PUT_LINE(\'DBMS_SQLTUNE.IMPORT_SQL_PROFILE (\');
  318.   DBMS_OUTPUT.PUT_LINE(\'sql_text => sql_txt,\');
  319.   DBMS_OUTPUT.PUT_LINE(\'profile => h,\');
  320.   DBMS_OUTPUT.PUT_LINE(\'name => \'\'coe_&&sql_id._&&plan_hash_value.\'\',\');
  321.   DBMS_OUTPUT.PUT_LINE(\'description => \'\'coe &&sql_id. &&plan_hash_value. \'\'||:signature||\'\'\'\',\');
  322.   DBMS_OUTPUT.PUT_LINE(\'category => \'\'DEFAULT\'\',\');
  323.   DBMS_OUTPUT.PUT_LINE(\'validate => TRUE,\');
  324.   DBMS_OUTPUT.PUT_LINE(\'replace => TRUE,\');
  325.   DBMS_OUTPUT.PUT_LINE(\'force_match => FALSE /* TRUE:FORCE (match even when different literals in SQL). FALSE:EXACT (similar to CURSOR_SHARING) */ );\');
  326.   DBMS_OUTPUT.PUT_LINE(\'END;\');
  327.   DBMS_OUTPUT.PUT_LINE(\'/\');
  328.   DBMS_OUTPUT.PUT_LINE(\'WHENEVER SQLERROR CONTINUE\');
  329.   DBMS_OUTPUT.PUT_LINE(\'SET ECHO OFF;\');
  330.   DBMS_OUTPUT.PUT_LINE(\'PRINT signature\');
  331.   DBMS_OUTPUT.PUT_LINE(\'PRO\');
  332.   DBMS_OUTPUT.PUT_LINE(\'PRO ... manual custom SQL Profile has been created\');
  333.   DBMS_OUTPUT.PUT_LINE(\'PRO\');
  334.   DBMS_OUTPUT.PUT_LINE(\'SET TERM ON ECHO OFF LIN 80 TRIMS OFF NUMF \"\";\');
  335.   DBMS_OUTPUT.PUT_LINE(\'SPO OFF;\');
  336.   DBMS_OUTPUT.PUT_LINE(\'PRO\');
  337.   DBMS_OUTPUT.PUT_LINE(\'PRO COE_XFR_SQL_PROFILE_&&sql_id._&&plan_hash_value. completed\');
  338. END;
  339. /
  340. SPO OFF;
  341. SET DEF ON TERM ON ECHO OFF FEED 6 VER ON HEA ON LIN 80 PAGES 14 LONG 80 LONGC 80 TRIMS OFF TI OFF TIMI OFF SERVEROUT OFF NUMF \"\" SQLP SQL>;
  342. SET SERVEROUT OFF;
  343. PRO
  344. PRO Execute coe_xfr_sql_profile_&&sql_id._&&plan_hash_value..sql
  345. PRO on TARGET system in order to create a custom SQL Profile
  346. PRO with plan &&plan_hash_value linked to adjusted sql_text.
  347. PRO
  348. UNDEFINE 1 2 sql_id plan_hash_value
  349. CL COL
  350. PRO
  351. PRO COE_XFR_SQL_PROFILE completed.

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