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Fix that one cannot change value for deleted variables

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This enasures that the 'variables that only exists for compatibility'
are always kept as its default value.

Based on an idea from Sergei Golubchik
This commit is contained in:
Monty 2024-04-21 14:29:31 +03:00 committed by Sergei Golubchik
parent 8af7a99443
commit 6254fcf84a
3 changed files with 8 additions and 6 deletions
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1
include/my_getopt.h
View file

@ -133,6 +133,7 @@ double getopt_double_limit_value(double num, const struct my_option *optp,
ulonglong getopt_double2ulonglong(double);
double getopt_ulonglong2double(ulonglong);
void my_getopt_init_one_value(const struct my_option *, void *, longlong);
static inline void convert_underscore_to_dash(char *str, size_t len)
{

11
mysys/my_getopt.c
View file

@ -36,7 +36,6 @@ static longlong getopt_ll(char *arg, const struct my_option *optp, int *err);
static ulonglong getopt_ull(char *, const struct my_option *, int *);
static double getopt_double(char *arg, const struct my_option *optp, int *err);
static void init_variables(const struct my_option *, init_func_p);
static void init_one_value(const struct my_option *, void *, longlong);
static void fini_one_value(const struct my_option *, void *, longlong);
static int setval(const struct my_option *, void *, char *, my_bool, const char *);
static char *check_struct_option(char *cur_arg, char *key_name);
@ -278,7 +277,7 @@ int handle_options(int *argc, char ***argv, const struct my_option *longopts,
(*argc)--; /* Skip the program name */
(*argv)++; /* --- || ---- */
if (my_handle_options_init_variables)
init_variables(longopts, init_one_value);
init_variables(longopts, my_getopt_init_one_value);
is_cmdline_arg= !is_file_marker(**argv);
@ -1381,13 +1380,13 @@ static double getopt_double(char *arg, const struct my_option *optp, int *err)
Init one value to it's default values
SYNOPSIS
init_one_value()
my_getopt_init_one_value()
option Option to initialize
value Pointer to variable
*/
static void init_one_value(const struct my_option *option, void *variable,
longlong value)
void my_getopt_init_one_value(const struct my_option *option, void *variable,
longlong value)
{
DBUG_ENTER("init_one_value");
switch ((option->var_type & GET_TYPE_MASK)) {
@ -1470,7 +1469,7 @@ static void init_one_value(const struct my_option *option, void *variable,
Init one value to it's default values
SYNOPSIS
init_one_value()
fini_one_value()
option Option to initialize
value Pointer to variable
*/

2
sql/mysqld.cc
View file

@ -8059,6 +8059,8 @@ mysqld_get_one_option(const struct my_option *opt, const char *argument,
case OPT_REMOVED_OPTION:
sql_print_warning("'%s' was removed. It does nothing now and exists only "
"for compatibility with old my.cnf files.", opt->name);
/* Restore default value (to show that the option cannot be used) */
my_getopt_init_one_value(opt, opt->value, opt->def_value);
break;
case OPT_MYSQL_COMPATIBILITY:
sql_print_warning("'%s' is MySQL 5.6 / 5.7 compatible option. Not used or "