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SET @global_start_value = @@global.myisam_stats_method; SELECT @global_start_value; @global_start_value nulls_unequal SET @session_start_value = @@session.myisam_stats_method; SELECT @session_start_value; @session_start_value nulls_unequal '#--------------------FN_DYNVARS_097_01------------------------#' SET @@global.myisam_stats_method = nulls_equal; SET @@global.myisam_stats_method = DEFAULT; SELECT @@global.myisam_stats_method; @@global.myisam_stats_method nulls_unequal SET @@session.myisam_stats_method = nulls_equal; SET @@session.myisam_stats_method = DEFAULT; SELECT @@session.myisam_stats_method; @@session.myisam_stats_method nulls_unequal '#---------------------FN_DYNVARS_097_02-------------------------#' SET @@global.myisam_stats_method = NULL; ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of 'NULL' SET @@global.myisam_stats_method = ''; ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of '' SET @@session.myisam_stats_method = NULL; ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of 'NULL' SET @@session.myisam_stats_method = ''; ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of '' '#--------------------FN_DYNVARS_097_03------------------------#' SET @@global.myisam_stats_method = 'nulls_equal'; SELECT @@global.myisam_stats_method; @@global.myisam_stats_method nulls_equal SET @@global.myisam_stats_method = 'nulls_unequal'; SELECT @@global.myisam_stats_method; @@global.myisam_stats_method nulls_unequal SET @@global.myisam_stats_method = 'nulls_ignored'; SELECT @@global.myisam_stats_method; @@global.myisam_stats_method nulls_ignored 'Bug: Value of nulls_ignored is not documented. Its ordinal value is 2' SET @@session.myisam_stats_method = 'nulls_equal'; SELECT @@session.myisam_stats_method; @@session.myisam_stats_method nulls_equal SET @@session.myisam_stats_method = 'nulls_unequal'; SELECT @@session.myisam_stats_method; @@session.myisam_stats_method nulls_unequal SET @@session.myisam_stats_method = 'nulls_ignored'; SELECT @@session.myisam_stats_method; @@session.myisam_stats_method nulls_ignored '#--------------------FN_DYNVARS_097_04-------------------------#' SET @@global.myisam_stats_method = -1; ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of '-1' SET @@global.myisam_stats_method = unequal; ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of 'unequal' SET @@global.myisam_stats_method = ENABLED; ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of 'ENABLED' SET @@global.myisam_stats_method = 'equal'; ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of 'equal' SET @@global.myisam_stats_method = 'null_equal'; ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of 'null_equal' SET @@global.myisam_stats_method = ' '; ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of ' ' '#-------------------FN_DYNVARS_097_05----------------------------#' SELECT @@session.myisam_stats_method = VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='myisam_stats_method'; @@session.myisam_stats_method = VARIABLE_VALUE 1 '#----------------------FN_DYNVARS_097_06------------------------#' SELECT @@global.myisam_stats_method = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='myisam_stats_method'; @@global.myisam_stats_method = VARIABLE_VALUE 1 '#---------------------FN_DYNVARS_097_07-------------------------#' SET @@global.myisam_stats_method = 0; SELECT @@global.myisam_stats_method; @@global.myisam_stats_method nulls_unequal SET @@global.myisam_stats_method = 1; SELECT @@global.myisam_stats_method; @@global.myisam_stats_method nulls_equal SET @@global.myisam_stats_method = 2; SELECT @@global.myisam_stats_method; @@global.myisam_stats_method nulls_ignored SET @@global.myisam_stats_method = 0.4; ERROR 42000: Incorrect argument type to variable 'myisam_stats_method' SET @@global.myisam_stats_method = 3; ERROR 42000: Variable 'myisam_stats_method' can't be set to the value of '3' '#---------------------FN_DYNVARS_097_08----------------------#' SET @@global.myisam_stats_method = TRUE; SELECT @@global.myisam_stats_method; @@global.myisam_stats_method nulls_equal SET @@global.myisam_stats_method = FALSE; SELECT @@global.myisam_stats_method; @@global.myisam_stats_method nulls_unequal '#---------------------FN_DYNVARS_097_09----------------------#' SET myisam_stats_method = 'nulls_equal'; SET session.myisam_stats_method = 'nulls_equal'; 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 'session.myisam_stats_method = 'nulls_equal'' at line 1 SET global.myisam_stats_method = 'nulls_equal'; 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 'global.myisam_stats_method = 'nulls_equal'' at line 1 SET session myisam_stats_method = 'nulls_equal'; SELECT @@myisam_stats_method; @@myisam_stats_method nulls_equal SET global myisam_stats_method = 'nulls_equal'; SELECT @@global.myisam_stats_method; @@global.myisam_stats_method nulls_equal SET @@global.myisam_stats_method = @global_start_value; SELECT @@global.myisam_stats_method; @@global.myisam_stats_method nulls_unequal SET @@session.myisam_stats_method = @session_start_value; SELECT @@session.myisam_stats_method; @@session.myisam_stats_method nulls_unequal