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#
# wsrep_max_ws_size
#
# save the initial value
SET @wsrep_max_ws_size_global_saved = @@global.wsrep_max_ws_size;
SET @wsrep_provider_options_saved = @@global.wsrep_provider_options;
# default
SELECT @@global.wsrep_max_ws_size;
@@global.wsrep_max_ws_size
2147483647
# scope
SELECT @@session.wsrep_max_ws_size;
ERROR HY000: Variable 'wsrep_max_ws_size' is a GLOBAL variable
SET @@global.wsrep_max_ws_size=1;
Warnings:
Warning 1292 Truncated incorrect wsrep_max_ws_size value: '1'
SELECT @@global.wsrep_max_ws_size;
@@global.wsrep_max_ws_size
1024
# valid values
SET @@global.wsrep_max_ws_size=1073741824;
SELECT @@global.wsrep_max_ws_size;
@@global.wsrep_max_ws_size
1073741824
SET @@global.wsrep_max_ws_size=1073741825;
SELECT @@global.wsrep_max_ws_size;
@@global.wsrep_max_ws_size
1073741825
SET @@global.wsrep_max_ws_size=0;
Warnings:
Warning 1292 Truncated incorrect wsrep_max_ws_size value: '0'
SELECT @@global.wsrep_max_ws_size;
@@global.wsrep_max_ws_size
1024
SET @@global.wsrep_max_ws_size=default;
SELECT @global.wsrep_max_ws_size;
@global.wsrep_max_ws_size
NULL
# invalid values
SET @@global.wsrep_max_ws_size=NULL;
ERROR 42000: Incorrect argument type to variable 'wsrep_max_ws_size'
SET @@global.wsrep_max_ws_size='junk';
ERROR 42000: Incorrect argument type to variable 'wsrep_max_ws_size'
SELECT @global.wsrep_max_ws_size;
@global.wsrep_max_ws_size
NULL
SET @@global.wsrep_max_ws_size=-1;
Warnings:
Warning 1292 Truncated incorrect wsrep_max_ws_size value: '-1'
SELECT @global.wsrep_max_ws_size;
@global.wsrep_max_ws_size
NULL
# restore the initial value
SET @@global.wsrep_max_ws_size = @wsrep_max_ws_size_global_saved;
SET @@global.wsrep_provider_options = @wsrep_provider_options_saved;
# End of test
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