61 lines
1.9 KiB
Plaintext
61 lines
1.9 KiB
Plaintext
SET @start_global_value = @@global.old_alter_table;
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SELECT @start_global_value;
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@start_global_value
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0
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select @@global.old_alter_table;
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@@global.old_alter_table
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0
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select @@session.old_alter_table;
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@@session.old_alter_table
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0
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show global variables like 'old_alter_table';
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Variable_name Value
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old_alter_table OFF
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show session variables like 'old_alter_table';
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Variable_name Value
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old_alter_table OFF
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select * from performance_schema.global_variables where variable_name='old_alter_table';
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VARIABLE_NAME VARIABLE_VALUE
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old_alter_table OFF
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select * from performance_schema.session_variables where variable_name='old_alter_table';
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VARIABLE_NAME VARIABLE_VALUE
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old_alter_table OFF
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set global old_alter_table=1;
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set session old_alter_table=ON;
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select @@global.old_alter_table;
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@@global.old_alter_table
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1
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select @@session.old_alter_table;
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@@session.old_alter_table
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1
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show global variables like 'old_alter_table';
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Variable_name Value
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old_alter_table ON
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show session variables like 'old_alter_table';
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Variable_name Value
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old_alter_table ON
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select * from performance_schema.global_variables where variable_name='old_alter_table';
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VARIABLE_NAME VARIABLE_VALUE
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old_alter_table ON
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select * from performance_schema.session_variables where variable_name='old_alter_table';
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VARIABLE_NAME VARIABLE_VALUE
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old_alter_table ON
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SET @@global.old_alter_table=DEFAULT;
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SELECT @@global.old_alter_table;
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@@global.old_alter_table
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0
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SET @@session.old_alter_table=DEFAULT;
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SELECT @@session.old_alter_table;
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@@session.old_alter_table
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0
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set global old_alter_table=1.1;
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ERROR 42000: Incorrect argument type to variable 'old_alter_table'
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set global old_alter_table=1e1;
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ERROR 42000: Incorrect argument type to variable 'old_alter_table'
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set global old_alter_table="foo";
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ERROR 42000: Variable 'old_alter_table' can't be set to the value of 'foo'
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SET @@global.old_alter_table = @start_global_value;
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SELECT @@global.old_alter_table;
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@@global.old_alter_table
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0
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