SET @start_value = @@global.query_cache_min_res_unit; SELECT @start_value; @start_value 4096 '#--------------------FN_DYNVARS_132_01------------------------#' SET @@global.query_cache_min_res_unit = 99; SET @@global.query_cache_min_res_unit = DEFAULT; SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 4096 '#---------------------FN_DYNVARS_132_02-------------------------#' SET @@global.query_cache_min_res_unit = @start_value; SELECT @@global.query_cache_min_res_unit = 4096; @@global.query_cache_min_res_unit = 4096 1 '#--------------------FN_DYNVARS_132_03------------------------#' SET @@global.query_cache_min_res_unit = 0; SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 512 SET @@global.query_cache_min_res_unit = 1; SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 512 'Bug#34842: FN_DYNVARS_132_03 - Minimum value according to documentation is 0, and here it is 512'; SET @@global.query_cache_min_res_unit = 512; SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 512 SET @@global.query_cache_min_res_unit = 513; SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 520 'Bug# 34877: Invalid Values are coming in variable on assigning valid values'; SET @@global.query_cache_min_res_unit = 1048576; SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 1048576 SET @@global.query_cache_min_res_unit = 1048575; SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 1048576 '#--------------------FN_DYNVARS_132_04-------------------------#' SET @@global.query_cache_min_res_unit = -1; SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 512 SET @@global.query_cache_min_res_unit = 4294967296; Warnings: Warning 1292 Truncated incorrect query_cache_min_res_unit value: '4294967296' SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 0 SET @@global.query_cache_min_res_unit = 511; SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 512 SET @@global.query_cache_min_res_unit = 10000.01; ERROR 42000: Incorrect argument type to variable 'query_cache_min_res_unit' SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 512 SET @@global.query_cache_min_res_unit = -1024; SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 512 SET @@global.query_cache_min_res_unit = 42949672950; Warnings: Warning 1292 Truncated incorrect query_cache_min_res_unit value: '42949672950' SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 0 'Bug # 34837: Errors are not coming on assigning invalid values to variable'; SET @@global.query_cache_min_res_unit = ON; ERROR 42000: Incorrect argument type to variable 'query_cache_min_res_unit' SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 0 SET @@global.query_cache_min_res_unit = 'test'; ERROR 42000: Incorrect argument type to variable 'query_cache_min_res_unit' SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 0 '#-------------------FN_DYNVARS_132_05----------------------------#' SET @@session.query_cache_min_res_unit = 0; ERROR HY000: Variable 'query_cache_min_res_unit' is a GLOBAL variable and should be set with SET GLOBAL SELECT @@query_cache_min_res_unit; @@query_cache_min_res_unit 0 '#----------------------FN_DYNVARS_132_06------------------------#' SELECT @@global.query_cache_min_res_unit = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='query_cache_min_res_unit'; @@global.query_cache_min_res_unit = VARIABLE_VALUE 1 SELECT @@query_cache_min_res_unit = VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='query_cache_min_res_unit'; @@query_cache_min_res_unit = VARIABLE_VALUE 1 '#---------------------FN_DYNVARS_132_07----------------------#' SET @@global.query_cache_min_res_unit = TRUE; SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 512 SET @@global.query_cache_min_res_unit = FALSE; SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 512 '#---------------------FN_DYNVARS_132_08----------------------#' SET @@global.query_cache_min_res_unit = 1; SELECT @@query_cache_min_res_unit = @@global.query_cache_min_res_unit; @@query_cache_min_res_unit = @@global.query_cache_min_res_unit 1 '#---------------------FN_DYNVARS_132_09----------------------#' SET query_cache_min_res_unit = 1; ERROR HY000: Variable 'query_cache_min_res_unit' is a GLOBAL variable and should be set with SET GLOBAL SELECT @@query_cache_min_res_unit; @@query_cache_min_res_unit 512 SET local.query_cache_min_res_unit = 1; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'query_cache_min_res_unit = 1' at line 1 SELECT local.query_cache_min_res_unit; ERROR 42S02: Unknown table 'local' in field list SET global.query_cache_min_res_unit = 1; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'query_cache_min_res_unit = 1' at line 1 SELECT global.query_cache_min_res_unit; ERROR 42S02: Unknown table 'global' in field list SELECT query_cache_min_res_unit = @@session.query_cache_min_res_unit; ERROR 42S22: Unknown column 'query_cache_min_res_unit' in 'field list' SET @@global.query_cache_min_res_unit = @start_value; SELECT @@global.query_cache_min_res_unit; @@global.query_cache_min_res_unit 4096