text: 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 performance_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 performance_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
  