Alexander Barkov 1bcd2bebc6 MDEV-4425 Regexp enhancements ...

Do not pass PCRE_UCP flag for binary data.
This makes bytes 0x80..FF not to belong to 
generic character classes \d (digit) and \w (word character).

SELECT 0xFF RLIKE '\\w';
 -> 0

Note, this change does not affect non-binary data,
which is still examined with the PCRE_UCP flag by default.

2013-10-08 18:25:17 +04:00

17 KiB

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