diff options
Diffstat (limited to 'mysql-test/t/variables.test')
| -rw-r--r-- | mysql-test/t/variables.test | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/mysql-test/t/variables.test b/mysql-test/t/variables.test index 60254ad9a1d..424776dfda4 100644 --- a/mysql-test/t/variables.test +++ b/mysql-test/t/variables.test @@ -150,18 +150,46 @@ select @@timestamp>0; set @@rand_seed1=10000000,@@rand_seed2=1000000; select ROUND(RAND(),5); -show variables like '%alloc%'; -set @@range_alloc_block_size=1024*16; +--echo +--echo ==+ Testing %alloc% system variables +== +--echo ==+ NOTE: These values *must* be a multiple of 1024 +== +--echo ==+ Other values will be rounded down to nearest multiple +== +--echo +--echo ==+ Show initial values +== +SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size', +'query_alloc_block_size', 'query_prealloc_size', +'transaction_alloc_block_size', 'transaction_prealloc_size'); +--echo ==+ Manipulate variable values += +--echo Testing values that are multiples of 1024 +set @@range_alloc_block_size=1024*15+1024; +set @@query_alloc_block_size=1024*15+1024*2; +set @@query_prealloc_size=1024*18-1024; +set @@transaction_alloc_block_size=1024*21-1024*1; +set @@transaction_prealloc_size=1024*21-2048; +--echo ==+ Check manipulated values ==+ +SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size', +'query_alloc_block_size', 'query_prealloc_size', +'transaction_alloc_block_size', 'transaction_prealloc_size'); +--echo ==+ Manipulate variable values +== +--echo Testing values that are not 1024 multiples +set @@range_alloc_block_size=1024*16+1023; set @@query_alloc_block_size=1024*17+2; -set @@query_prealloc_size=1024*18; +set @@query_prealloc_size=1024*18-1023; set @@transaction_alloc_block_size=1024*20-1; set @@transaction_prealloc_size=1024*21-1; select @@query_alloc_block_size; -show variables like '%alloc%'; +--echo ==+ Check manipulated values ==+ +SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size', +'query_alloc_block_size', 'query_prealloc_size', +'transaction_alloc_block_size', 'transaction_prealloc_size'); +--echo ==+ Set values back to the default values +== set @@range_alloc_block_size=default; set @@query_alloc_block_size=default, @@query_prealloc_size=default; set transaction_alloc_block_size=default, @@transaction_prealloc_size=default; -show variables like '%alloc%'; +--echo ==+ Check the values now that they are reset +== +SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size', +'query_alloc_block_size', 'query_prealloc_size', +'transaction_alloc_block_size', 'transaction_prealloc_size'); # # Bug #10904 Illegal mix of collations between |