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SET @start_global_value = @@global.aria_sort_buffer_size;
select @@global.aria_sort_buffer_size;
@@global.aria_sort_buffer_size
268434432
select @@session.aria_sort_buffer_size;
@@session.aria_sort_buffer_size
268434432
show global variables like 'aria_sort_buffer_size';
Variable_name Value
aria_sort_buffer_size 268434432
show session variables like 'aria_sort_buffer_size';
Variable_name Value
aria_sort_buffer_size 268434432
select * from information_schema.global_variables where variable_name='aria_sort_buffer_size';
VARIABLE_NAME VARIABLE_VALUE
ARIA_SORT_BUFFER_SIZE 268434432
select * from information_schema.session_variables where variable_name='aria_sort_buffer_size';
VARIABLE_NAME VARIABLE_VALUE
ARIA_SORT_BUFFER_SIZE 268434432
set global aria_sort_buffer_size=10;
Warnings:
Warning 1292 Truncated incorrect aria_sort_buffer_size value: '10'
select @@global.aria_sort_buffer_size;
@@global.aria_sort_buffer_size
4096
set session aria_sort_buffer_size=10;
Warnings:
Warning 1292 Truncated incorrect aria_sort_buffer_size value: '10'
select @@session.aria_sort_buffer_size;
@@session.aria_sort_buffer_size
4096
set global aria_sort_buffer_size=1.1;
ERROR 42000: Incorrect argument type to variable 'aria_sort_buffer_size'
set session aria_sort_buffer_size=1e1;
ERROR 42000: Incorrect argument type to variable 'aria_sort_buffer_size'
set global aria_sort_buffer_size="foo";
ERROR 42000: Incorrect argument type to variable 'aria_sort_buffer_size'
set global aria_sort_buffer_size=0;
Warnings:
Warning 1292 Truncated incorrect aria_sort_buffer_size value: '0'
select @@global.aria_sort_buffer_size;
@@global.aria_sort_buffer_size
4096
set session aria_sort_buffer_size=cast(-1 as unsigned int);
select @@session.aria_sort_buffer_size;
@@session.aria_sort_buffer_size
9223372036854775807
SET @@global.aria_sort_buffer_size = @start_global_value;
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