Today (Saturday) We will make some minor tuning adjustments to MySQL.

You may experience 2 up to 10 seconds "glitch time" when we restart MySQL. We expect to make these adjustments around 1AM Eastern Daylight Saving Time (EDT) US.

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FreeBSD 11.0 - man page for isnumber (freebsd section 3)

ISDIGIT(3)						   BSD Library Functions Manual 						ISDIGIT(3)

isdigit, isnumber -- decimal-digit character test
Standard C Library (libc, -lc)
#include <ctype.h> int isdigit(int c); int isnumber(int c); int isdigit_l(int c, locale_t loc); int isnumber_l(int c, locale_t loc);
The isdigit() function tests for a decimal digit character. Regardless of locale, this includes the following characters only: ``0'' ``1'' ``2'' ``3'' ``4'' ``5'' ``6'' ``7'' ``8'' ``9'' The isnumber() function behaves similarly to isdigit(), but may recognize additional characters, depending on the current locale setting. The value of the argument must be representable as an unsigned char or the value of EOF. The _l-suffixed versions take an explicit locale argument, whereas the non-suffixed versions use the current global or per-thread locale.
The isdigit() and isnumber() functions return zero if the character tests false and return non-zero if the character tests true.
The 4.4BSD extension of accepting arguments outside of the range of the unsigned char type in locales with large character sets is considered obsolete and may not be supported in future releases. The iswdigit() function should be used instead.
ctype(3), iswdigit(3), multibyte(3), xlocale(3), ascii(7)
The isdigit() function conforms to ISO/IEC 9899:1990 (``ISO C90''). The isdigit_l() function conforms to IEEE Std 1003.1-2008 (``POSIX.1'').
The isnumber() function appeared in 4.4BSD.
May 4, 2007 BSD

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