diff options
Diffstat (limited to 'mysql-test/suite/sys_vars/t/rowid_merge_buff_size_basic.test')
| -rw-r--r-- | mysql-test/suite/sys_vars/t/rowid_merge_buff_size_basic.test | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/mysql-test/suite/sys_vars/t/rowid_merge_buff_size_basic.test b/mysql-test/suite/sys_vars/t/rowid_merge_buff_size_basic.test new file mode 100644 index 00000000000..1c88bdd7180 --- /dev/null +++ b/mysql-test/suite/sys_vars/t/rowid_merge_buff_size_basic.test @@ -0,0 +1,42 @@ +# ulong session + +SET @start_global_value = @@global.rowid_merge_buff_size; + +# +# exists as global only +# +select @@global.rowid_merge_buff_size; +select @@session.rowid_merge_buff_size; +show global variables like 'rowid_merge_buff_size'; +show session variables like 'rowid_merge_buff_size'; +select * from information_schema.global_variables where variable_name='rowid_merge_buff_size'; +select * from information_schema.session_variables where variable_name='rowid_merge_buff_size'; + +# +# show that it's writable +# +set global rowid_merge_buff_size=10; +select @@global.rowid_merge_buff_size; +set session rowid_merge_buff_size=10; +select @@session.rowid_merge_buff_size; + +# +# incorrect types +# +--error ER_WRONG_TYPE_FOR_VAR +set global rowid_merge_buff_size=1.1; +--error ER_WRONG_TYPE_FOR_VAR +set session rowid_merge_buff_size=1e1; +--error ER_WRONG_TYPE_FOR_VAR +set global rowid_merge_buff_size="foo"; + +# +# min/max values, block size +# +set global rowid_merge_buff_size=0; +select @@global.rowid_merge_buff_size; +set session rowid_merge_buff_size=cast(-1 as unsigned int); +select @@session.rowid_merge_buff_size; + +SET @@global.rowid_merge_buff_size = @start_global_value; + |