38 lines
1.5 KiB
MySQL
38 lines
1.5 KiB
MySQL
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-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
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-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
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PROMPT display a matrix of optimizer parameters which change when changing optimizer_features_enabled...
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CREATE TABLE opt_param_matrix(
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opt_features_enabled VARCHAR2(20) NOT NULL
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, parameter VARCHAR2(75) NOT NULL
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, value VARCHAR2(1000)
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)
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/
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CREATE TABLE opt_fix_matrix (
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opt_features_enabled VARCHAR2(20) NOT NULL
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, bugno NUMBER
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, value NUMBER
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, sql_feature VARCHAR2(100)
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, description VARCHAR2(100)
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, optimizer_feature_enable VARCHAR2(25)
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, event NUMBER
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, is_default NUMBER
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)
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/
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BEGIN
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FOR i IN (select value from v$parameter_valid_values where name = 'optimizer_features_enable' order by ordinal) LOOP
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EXECUTE IMMEDIATE 'alter session set optimizer_features_enable='''||i.value||'''';
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EXECUTE IMMEDIATE 'insert into opt_param_matrix select :opt_features_enable, n.ksppinm, c.ksppstvl from sys.x$ksppi n, sys.x$ksppcv c where n.indx=c.indx' using i.value;
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EXECUTE IMMEDIATE 'insert into opt_fix_matrix select :opt_features_enable, bugno, value, sql_feature, description, optimizer_feature_enable, event, is_default FROM v$session_fix_control WHERE session_id=USERENV(''sid'')' using i.value;
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END LOOP;
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END;
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/
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COMMIT;
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PROMPT To test, run: @cofep.sql 10.2.0.1 10.2.0.4
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