SET @start_global_value = @@global.optimizer_search_depth; SELECT @start_global_value; @start_global_value 62 SET @start_session_value = @@session.optimizer_search_depth; SELECT @start_session_value; @start_session_value 62 '#--------------------FN_DYNVARS_116_01-------------------------#' SET @@global.optimizer_search_depth = 100; Warnings: Warning 1292 Truncated incorrect optimizer_search_depth value: '100' SET @@global.optimizer_search_depth = DEFAULT; SELECT @@global.optimizer_search_depth; @@global.optimizer_search_depth 62 SET @@session.optimizer_search_depth = 200; Warnings: Warning 1292 Truncated incorrect optimizer_search_depth value: '200' SET @@session.optimizer_search_depth = DEFAULT; SELECT @@session.optimizer_search_depth; @@session.optimizer_search_depth 62 '#--------------------FN_DYNVARS_116_02-------------------------#' SET @@global.optimizer_search_depth = DEFAULT; SELECT @@global.optimizer_search_depth = 62; @@global.optimizer_search_depth = 62 1 SET @@session.optimizer_search_depth = DEFAULT; SELECT @@session.optimizer_search_depth = 62; @@session.optimizer_search_depth = 62 1 '#--------------------FN_DYNVARS_116_03-------------------------#' SET @@global.optimizer_search_depth = 0; SELECT @@global.optimizer_search_depth; @@global.optimizer_search_depth 0 SET @@global.optimizer_search_depth = 1; SELECT @@global.optimizer_search_depth; @@global.optimizer_search_depth 1 SET @@global.optimizer_search_depth = 62; SELECT @@global.optimizer_search_depth; @@global.optimizer_search_depth 62 SET @@global.optimizer_search_depth = 63; SELECT @@global.optimizer_search_depth; @@global.optimizer_search_depth 63 '#--------------------FN_DYNVARS_116_04-------------------------#' SET @@session.optimizer_search_depth = 0; SELECT @@session.optimizer_search_depth; @@session.optimizer_search_depth 0 SET @@session.optimizer_search_depth = 1; SELECT @@session.optimizer_search_depth; @@session.optimizer_search_depth 1 SET @@session.optimizer_search_depth = 62; SELECT @@session.optimizer_search_depth; @@session.optimizer_search_depth 62 SET @@session.optimizer_search_depth = 63; SELECT @@session.optimizer_search_depth; @@session.optimizer_search_depth 63 '#------------------FN_DYNVARS_116_05-----------------------#' SET @@global.optimizer_search_depth = 64; Warnings: Warning 1292 Truncated incorrect optimizer_search_depth value: '64' SELECT @@global.optimizer_search_depth; @@global.optimizer_search_depth 63 SET @@global.optimizer_search_depth = -1; SELECT @@global.optimizer_search_depth; @@global.optimizer_search_depth 0 SET @@global.optimizer_search_depth = 65536; Warnings: Warning 1292 Truncated incorrect optimizer_search_depth value: '65536' SELECT @@global.optimizer_search_depth; @@global.optimizer_search_depth 63 SET @@global.optimizer_search_depth = 65530.34.; 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 '.' at line 1 SELECT @@global.optimizer_search_depth; @@global.optimizer_search_depth 63 SET @@global.optimizer_search_depth = test; ERROR 42000: Incorrect argument type to variable 'optimizer_search_depth' SELECT @@global.optimizer_search_depth; @@global.optimizer_search_depth 63 SET @@session.optimizer_search_depth = 64; Warnings: Warning 1292 Truncated incorrect optimizer_search_depth value: '64' SELECT @@session.optimizer_search_depth; @@session.optimizer_search_depth 63 SET @@session.optimizer_search_depth = -2; SELECT @@session.optimizer_search_depth; @@session.optimizer_search_depth 0 SET @@session.optimizer_search_depth = 65530.34.; 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 '.' at line 1 SET @@session.optimizer_search_depth = 65550; Warnings: Warning 1292 Truncated incorrect optimizer_search_depth value: '65550' SELECT @@session.optimizer_search_depth; @@session.optimizer_search_depth 63 'Bug # 34837: Errors are not coming on assigning invalid values to variable'; SET @@session.optimizer_search_depth = test; ERROR 42000: Incorrect argument type to variable 'optimizer_search_depth' SELECT @@session.optimizer_search_depth; @@session.optimizer_search_depth 63 '#------------------FN_DYNVARS_116_06-----------------------#' SELECT @@global.optimizer_search_depth = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='optimizer_search_depth'; @@global.optimizer_search_depth = VARIABLE_VALUE 1 '#------------------FN_DYNVARS_116_07-----------------------#' SELECT @@session.optimizer_search_depth = VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='optimizer_search_depth'; @@session.optimizer_search_depth = VARIABLE_VALUE 1 '#------------------FN_DYNVARS_116_08-----------------------#' SET @@global.optimizer_search_depth = TRUE; SELECT @@global.optimizer_search_depth; @@global.optimizer_search_depth 1 SET @@global.optimizer_search_depth = FALSE; SELECT @@global.optimizer_search_depth; @@global.optimizer_search_depth 0 '#---------------------FN_DYNVARS_116_09----------------------#' SET @@global.optimizer_search_depth = 10; SELECT @@optimizer_search_depth = @@global.optimizer_search_depth; @@optimizer_search_depth = @@global.optimizer_search_depth 0 '#---------------------FN_DYNVARS_116_10----------------------#' SET @@optimizer_search_depth = 10; SELECT @@optimizer_search_depth = @@local.optimizer_search_depth; @@optimizer_search_depth = @@local.optimizer_search_depth 1 SELECT @@local.optimizer_search_depth = @@session.optimizer_search_depth; @@local.optimizer_search_depth = @@session.optimizer_search_depth 1 '#---------------------FN_DYNVARS_116_11----------------------#' SET optimizer_search_depth = 1; SELECT @@optimizer_search_depth; @@optimizer_search_depth 1 SELECT local.optimizer_search_depth; ERROR 42S02: Unknown table 'local' in field list SELECT session.optimizer_search_depth; ERROR 42S02: Unknown table 'session' in field list SELECT optimizer_search_depth = @@session.optimizer_search_depth; ERROR 42S22: Unknown column 'optimizer_search_depth' in 'field list' SET @@global.optimizer_search_depth = @start_global_value; SELECT @@global.optimizer_search_depth; @@global.optimizer_search_depth 62 SET @@session.optimizer_search_depth = @start_session_value; SELECT @@session.optimizer_search_depth; @@session.optimizer_search_depth 62