diff options
Diffstat (limited to 'mysql-test/suite/sys_vars/t/key_cache_segments_basic.test')
-rw-r--r-- | mysql-test/suite/sys_vars/t/key_cache_segments_basic.test | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/mysql-test/suite/sys_vars/t/key_cache_segments_basic.test b/mysql-test/suite/sys_vars/t/key_cache_segments_basic.test new file mode 100644 index 00000000000..ce0c736e4cc --- /dev/null +++ b/mysql-test/suite/sys_vars/t/key_cache_segments_basic.test @@ -0,0 +1,42 @@ +# ulong global + +SET @start_global_value = @@global.key_cache_segments; + +# +# exists as global only +# +select @@global.key_cache_segments; +--error ER_INCORRECT_GLOBAL_LOCAL_VAR +select @@session.key_cache_segments; +show global variables like 'key_cache_segments'; +show session variables like 'key_cache_segments'; +select * from information_schema.global_variables where variable_name='key_cache_segments'; +select * from information_schema.session_variables where variable_name='key_cache_segments'; + +# +# show that it's writable +# +set global key_cache_segments=1; +select @@global.key_cache_segments; +--error ER_GLOBAL_VARIABLE +set session key_cache_segments=1; + +# +# incorrect types +# +--error ER_WRONG_TYPE_FOR_VAR +set global key_cache_segments=1.1; +--error ER_WRONG_TYPE_FOR_VAR +set global key_cache_segments=1e1; +--error ER_WRONG_TYPE_FOR_VAR +set global key_cache_segments="foo"; + +# +# min/max values +# +set global key_cache_segments=0; +select @@global.key_cache_segments; +set global key_cache_segments=cast(-1 as unsigned int); +select @@global.key_cache_segments; + +SET @@global.key_cache_segments = @start_global_value; |