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SET @start_global_value = @@global.optimizer_prune_level; SELECT @start_global_value; @start_global_value 1 SET @start_session_value = @@session.optimizer_prune_level; SELECT @start_session_value; @start_session_value 1 '#--------------------FN_DYNVARS_115_01-------------------------#' SET @@global.optimizer_prune_level = 0; SET @@global.optimizer_prune_level = DEFAULT; SELECT @@global.optimizer_prune_level; @@global.optimizer_prune_level 1 SET @@session.optimizer_prune_level = 0; SET @@session.optimizer_prune_level = DEFAULT; SELECT @@session.optimizer_prune_level; @@session.optimizer_prune_level 1 '#--------------------FN_DYNVARS_115_02-------------------------#' SET @@global.optimizer_prune_level = DEFAULT; SELECT @@global.optimizer_prune_level = 1; @@global.optimizer_prune_level = 1 1 SET @@session.optimizer_prune_level = DEFAULT; SELECT @@session.optimizer_prune_level = 1; @@session.optimizer_prune_level = 1 1 '#--------------------FN_DYNVARS_115_03-------------------------#' SELECT @@global.optimizer_prune_level; @@global.optimizer_prune_level 1 SET @@global.optimizer_prune_level = 0; SELECT @@global.optimizer_prune_level; @@global.optimizer_prune_level 0 SET @@global.optimizer_prune_level = 1; SELECT @@global.optimizer_prune_level; @@global.optimizer_prune_level 1 SET @@global.optimizer_prune_level = TRUE; SELECT @@global.optimizer_prune_level; @@global.optimizer_prune_level 1 SET @@global.optimizer_prune_level = FALSE; SELECT @@global.optimizer_prune_level; @@global.optimizer_prune_level 0 '#--------------------FN_DYNVARS_115_04-------------------------#' SELECT @@session.optimizer_prune_level; @@session.optimizer_prune_level 1 SET @@session.optimizer_prune_level = 0; SELECT @@session.optimizer_prune_level; @@session.optimizer_prune_level 0 SET @@session.optimizer_prune_level = 1; SELECT @@session.optimizer_prune_level; @@session.optimizer_prune_level 1 SET @@session.optimizer_prune_level = TRUE; SELECT @@session.optimizer_prune_level; @@session.optimizer_prune_level 1 SET @@session.optimizer_prune_level = FALSE; SELECT @@session.optimizer_prune_level; @@session.optimizer_prune_level 0 '#------------------FN_DYNVARS_115_05-----------------------#' SET @@global.optimizer_prune_level = ON; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' 'Bug# 34840: Since it is a boolean variable, it should not give errors on 'ON' & 'OFF' values'; SET @@global.optimizer_prune_level = OFF; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@global.optimizer_prune_level = 'ONN'; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@global.optimizer_prune_level = "OFFF"; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@global.optimizer_prune_level = TTRUE; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@global.optimizer_prune_level = FELSE; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@global.optimizer_prune_level = -1024; Warnings: Warning 1292 Truncated incorrect optimizer_prune_level value: '-1024' SELECT @@global.optimizer_prune_level; @@global.optimizer_prune_level 0 'Bug# 34840: Since it is a boolean variable, it should give errors on numeric values'; SET @@global.optimizer_prune_level = 65536; Warnings: Warning 1292 Truncated incorrect optimizer_prune_level value: '65536' SET @@global.optimizer_prune_level = 65530.34; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@global.optimizer_prune_level = test; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@session.optimizer_prune_level = ON; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@session.optimizer_prune_level = OFF; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@session.optimizer_prune_level = ONN; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@session.optimizer_prune_level = ONF; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@session.optimizer_prune_level = ON; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@session.optimizer_prune_level = OF; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@session.optimizer_prune_level = 'OFN'; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@session.optimizer_prune_level = -2; Warnings: Warning 1292 Truncated incorrect optimizer_prune_level value: '-2' SELECT @@session.optimizer_prune_level; @@session.optimizer_prune_level 0 SET @@session.optimizer_prune_level = 65530.34; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' SET @@session.optimizer_prune_level = 65550; Warnings: Warning 1292 Truncated incorrect optimizer_prune_level value: '65550' SELECT @@session.optimizer_prune_level; @@session.optimizer_prune_level 1 SET @@session.optimizer_prune_level = test; ERROR 42000: Incorrect argument type to variable 'optimizer_prune_level' '#------------------FN_DYNVARS_115_06-----------------------#' SELECT @@global.optimizer_prune_level = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='optimizer_prune_level'; @@global.optimizer_prune_level = VARIABLE_VALUE 1 '#------------------FN_DYNVARS_115_07-----------------------#' SELECT @@session.optimizer_prune_level = VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='optimizer_prune_level'; @@session.optimizer_prune_level = VARIABLE_VALUE 1 '#---------------------FN_DYNVARS_115_08----------------------#' SET @@optimizer_prune_level = 0; SET @@global.optimizer_prune_level = 1; SELECT @@optimizer_prune_level = @@global.optimizer_prune_level; @@optimizer_prune_level = @@global.optimizer_prune_level 0 '#---------------------FN_DYNVARS_115_09----------------------#' SET @@optimizer_prune_level = 1; SELECT @@optimizer_prune_level = @@local.optimizer_prune_level; @@optimizer_prune_level = @@local.optimizer_prune_level 1 SELECT @@local.optimizer_prune_level = @@session.optimizer_prune_level; @@local.optimizer_prune_level = @@session.optimizer_prune_level 1 '#---------------------FN_DYNVARS_115_10----------------------#' SET optimizer_prune_level = 1; SELECT @@optimizer_prune_level; @@optimizer_prune_level 1 SELECT local.optimizer_prune_level; ERROR 42S02: Unknown table 'local' in field list SELECT session.optimizer_prune_level; ERROR 42S02: Unknown table 'session' in field list SELECT optimizer_prune_level = @@session.optimizer_prune_level; ERROR 42S22: Unknown column 'optimizer_prune_level' in 'field list' SET @@global.optimizer_prune_level = @start_global_value; SELECT @@global.optimizer_prune_level; @@global.optimizer_prune_level 1 SET @@session.optimizer_prune_level = @start_session_value; SELECT @@session.optimizer_prune_level; @@session.optimizer_prune_level 1