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# # exists as a session only # # 2010-01-20 OBN - Added check for I_S value after variable value change # --error ER_INCORRECT_GLOBAL_LOCAL_VAR select @@global.rand_seed1; select @@session.rand_seed1; show global variables like 'rand_seed1'; show session variables like 'rand_seed1'; select * from information_schema.global_variables where variable_name='rand_seed1'; select * from information_schema.session_variables where variable_name='rand_seed1'; # # show that it's writable (note value can be set but not read - returned value is zero) # set session rand_seed1=1; select @@session.rand_seed1; select * from information_schema.global_variables where variable_name='rand_seed1'; select * from information_schema.session_variables where variable_name='rand_seed1'; --error ER_LOCAL_VARIABLE set global rand_seed1=1; # # incorrect types # --error ER_WRONG_TYPE_FOR_VAR set session rand_seed1=1.1; --error ER_WRONG_TYPE_FOR_VAR set session rand_seed1=1e1; --error ER_WRONG_TYPE_FOR_VAR set session rand_seed1="foo";