Merge 5.0->5.1

1 files changed, 66 insertions, 18 deletions

diff --git a/mysql-test/r/variables.result b/mysql-test/r/variables.result
index d3b3a6f2663..c99d3f314c5 100644
--- a/mysql-test/r/variables.result
+++ b/mysql-test/r/variables.result
@@ -299,59 +299,107 @@ set @@rand_seed1=10000000,@@rand_seed2=1000000;
 select ROUND(RAND(),5);
 ROUND(RAND(),5)
 0.02887
-show variables like '%alloc%';
+
+==+ Testing %alloc% system variables +==
+==+ NOTE:  These values *must* be a multiple of 1024 +==
+==+ Other values will be rounded down to nearest multiple +==
+
+==+ 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');
 Variable_name	Value
 query_alloc_block_size	8192
 query_prealloc_size	8192
 range_alloc_block_size	4096
 transaction_alloc_block_size	8192
 transaction_prealloc_size	4096
-select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
+==+ information_schema data +==
+SELECT * FROM information_schema.session_variables 
+WHERE variable_name IN ('range_alloc_block_size',
+'query_alloc_block_size', 'query_prealloc_size',
+'transaction_alloc_block_size', 'transaction_prealloc_size');
 VARIABLE_NAME	VARIABLE_VALUE
-QUERY_ALLOC_BLOCK_SIZE	8192
-QUERY_PREALLOC_SIZE	8192
 RANGE_ALLOC_BLOCK_SIZE	4096
 TRANSACTION_ALLOC_BLOCK_SIZE	8192
 TRANSACTION_PREALLOC_SIZE	4096
-set @@range_alloc_block_size=1024*16;
+QUERY_PREALLOC_SIZE	8192
+QUERY_ALLOC_BLOCK_SIZE	8192
+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;
+==+ Check manipulated values ==+
+select @@query_alloc_block_size;
+@@query_alloc_block_size
+17408
+SHOW VARIABLES WHERE variable_name IN ('range_alloc_block_size',
+'query_alloc_block_size', 'query_prealloc_size',
+'transaction_alloc_block_size', 'transaction_prealloc_size');
+Variable_name	Value
+query_alloc_block_size	17408
+query_prealloc_size	17408
+range_alloc_block_size	16384
+transaction_alloc_block_size	20480
+transaction_prealloc_size	19456
+==+ information_schema data +==
+SELECT * FROM information_schema.session_variables
+WHERE variable_name IN ('range_alloc_block_size',
+'query_alloc_block_size', 'query_prealloc_size',
+'transaction_alloc_block_size', 'transaction_prealloc_size') ORDER BY 1;
+VARIABLE_NAME	VARIABLE_VALUE
+QUERY_ALLOC_BLOCK_SIZE	17408
+QUERY_PREALLOC_SIZE	17408
+RANGE_ALLOC_BLOCK_SIZE	16384
+TRANSACTION_ALLOC_BLOCK_SIZE	20480
+TRANSACTION_PREALLOC_SIZE	19456
+==+ Manipulate variable values +==
+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;
 @@query_alloc_block_size
 17408
-show variables like '%alloc%';
+==+ 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');
 Variable_name	Value
 query_alloc_block_size	17408
-query_prealloc_size	18432
+query_prealloc_size	17408
 range_alloc_block_size	16384
 transaction_alloc_block_size	19456
 transaction_prealloc_size	20480
-select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
+==+ information_schema data +==
+SELECT * FROM information_schema.session_variables 
+WHERE variable_name IN ('range_alloc_block_size',
+'query_alloc_block_size', 'query_prealloc_size',
+'transaction_alloc_block_size', 'transaction_prealloc_size') ORDER BY 1;
 VARIABLE_NAME	VARIABLE_VALUE
 QUERY_ALLOC_BLOCK_SIZE	17408
-QUERY_PREALLOC_SIZE	18432
+QUERY_PREALLOC_SIZE	17408
 RANGE_ALLOC_BLOCK_SIZE	16384
 TRANSACTION_ALLOC_BLOCK_SIZE	19456
 TRANSACTION_PREALLOC_SIZE	20480
+==+ 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%';
+==+ 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');
 Variable_name	Value
 query_alloc_block_size	8192
 query_prealloc_size	8192
 range_alloc_block_size	4096
 transaction_alloc_block_size	8192
 transaction_prealloc_size	4096
-select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
-VARIABLE_NAME	VARIABLE_VALUE
-QUERY_ALLOC_BLOCK_SIZE	8192
-QUERY_PREALLOC_SIZE	8192
-RANGE_ALLOC_BLOCK_SIZE	4096
-TRANSACTION_ALLOC_BLOCK_SIZE	8192
-TRANSACTION_PREALLOC_SIZE	4096
 SELECT @@version LIKE 'non-existent';
 @@version LIKE 'non-existent'
 0