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Viewing changes to mysql-test/suite/sys_vars/t/optimizer_switch_basic.test

  • Committer: Package Import Robot
  • Author(s): James Page
  • Date: 2014-02-12 11:54:27 UTC
  • Revision ID: package-import@ubuntu.com-20140212115427-oq6tfsqxl1wuwehi
Tags: upstream-5.6.15
Import upstream version 5.6.15

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mysql-test/suite/sys_vars/t/optimizer_switch_basic.test
 
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#
 
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# 2010-01-20 OBN Added check for I_S values after variable value changed
 
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#
 
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SET @start_global_value = @@global.optimizer_switch;
 
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SELECT @start_global_value;
 
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#
 
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# exists as global and session
 
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#
 
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select @@global.optimizer_switch;
 
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select @@session.optimizer_switch;
 
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show global variables like 'optimizer_switch';
 
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show session variables like 'optimizer_switch';
 
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select * from information_schema.global_variables where variable_name='optimizer_switch';
 
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select * from information_schema.session_variables where variable_name='optimizer_switch';
 
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#
 
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# show that it's writable
 
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#
 
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set global optimizer_switch=10;
 
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set session optimizer_switch=5;
 
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select @@global.optimizer_switch;
 
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select @@session.optimizer_switch;
 
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set global optimizer_switch="index_merge_sort_union=on";
 
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set session optimizer_switch="index_merge=off";
 
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select @@global.optimizer_switch;
 
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select @@session.optimizer_switch;
 
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show global variables like 'optimizer_switch';
 
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show session variables like 'optimizer_switch';
 
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select * from information_schema.global_variables where variable_name='optimizer_switch';
 
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select * from information_schema.session_variables where variable_name='optimizer_switch';
 
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set session optimizer_switch="default";
 
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select @@session.optimizer_switch;
 
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#
 
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# incorrect assignments
 
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#
 
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--error ER_WRONG_TYPE_FOR_VAR
 
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set global optimizer_switch=1.1;
 
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--error ER_WRONG_TYPE_FOR_VAR
 
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set global optimizer_switch=1e1;
 
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--error ER_WRONG_VALUE_FOR_VAR
 
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set session optimizer_switch="index_merge";
 
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--error ER_WRONG_VALUE_FOR_VAR
 
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set session optimizer_switch="foobar";
 
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--echo #
 
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--echo # Bug#59894 set optimizer_switch to e or d causes invalid
 
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--echo # memory writes/valgrind warnings
 
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--echo
 
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set global optimizer_switch = 'd'; # means default
 
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--error ER_WRONG_VALUE_FOR_VAR
 
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set global optimizer_switch = 'e';
 
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SET @@global.optimizer_switch = @start_global_value;
 
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SELECT @@global.optimizer_switch;