50 lines
1.5 KiB
Plaintext
50 lines
1.5 KiB
Plaintext
--source include/have_optimizer_trace.inc
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# Basic read/write test.
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# Functionality of this variable is covered in
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# main.optimizer_trace*.test
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SELECT @@global.optimizer_trace_limit;
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SET @@global.optimizer_trace_limit=5;
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show global variables like 'optimizer_trace_limit';
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--disable_warnings
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select * from performance_schema.global_variables where variable_name='optimizer_trace_limit';
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--enable_warnings
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select @@session.optimizer_trace_limit;
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show session variables like 'optimizer_trace_limit';
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--disable_warnings
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select * from performance_schema.session_variables where variable_name='optimizer_trace_limit';
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--enable_warnings
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#
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# show that it's writable
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#
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set session optimizer_trace_limit=10;
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select @@session.optimizer_trace_limit;
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show session variables like 'optimizer_trace_limit';
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set session optimizer_trace_limit=0;
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select @@session.optimizer_trace_limit;
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show session variables like 'optimizer_trace_limit';
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set session optimizer_trace_limit=-100;
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select @@session.optimizer_trace_limit;
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show session variables like 'optimizer_trace_limit';
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set session optimizer_trace_limit=default;
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select @@session.optimizer_trace_limit;
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show session variables like 'optimizer_trace_limit';
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set global optimizer_trace_limit=default;
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select @@global.optimizer_trace_limit;
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show global variables like 'optimizer_trace_limit';
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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 optimizer_trace_limit=1.1;
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--error ER_WRONG_TYPE_FOR_VAR
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set optimizer_trace_limit="foobar";
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