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Bug#31177: Server variables can't be set to their current values

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Default values of variables were not subject to upper/lower bounds
and step, while setting variables was. Bounds and step are also
applied to defaults now; defaults are corrected quietly, values
given by the user are corrected, and a correction-warning is thrown
as needed. Lastly, very large values could wrap around, starting
from 0 again. They are bounded at the maximum value for the
respective data-type now if no lower maximum is specified in the
variable's definition.
This commit is contained in:
tnurnberg@mysql.com/white.intern.koehntopp.de
2007-11-30 06:32:04 +01:00
parent 6b92ec4acb
commit 31d4e58ad4
21 changed files with 307 additions and 121 deletions
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3
include/my_getopt.h
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@@ -67,7 +67,8 @@ extern void my_print_variables(const struct my_option *options);
extern void my_getopt_register_get_addr(gptr* (*func_addr)(const char *, uint,
const struct my_option *));
ulonglong getopt_ull_limit_value(ulonglong num, const struct my_option *optp);
ulonglong getopt_ull_limit_value(ulonglong num, const struct my_option *optp,
bool *fixed);
my_bool getopt_compare_strings(const char *s, const char *t, uint length);
C_MODE_END