harvey harveyqing

e.g.

events {
    debug_connection 10.224.66.14;
    debug_connection 10.224.57.0/24;
}

P.S. --with-debug option should be on during configure phase

	import re

	tp = re.compile(r'^(\d{4})-([1-9]\|0[1-9]\|1[0-2])-([1-9]\|[1-2]\d\|3[0-1]) (\d\|0\d\|1[0-2]\|1\d\|2[0-3]):(\d\|[0-5]\d):(\d\|[0-5]\d)$')

	# can match string timestamps like below
	# t1 = '3003-1-1 9:03:59

	Syntax:

	mysql> SHOW FULL COLUMNS FROM DBname.table_name

	Head description:
	Field ：field name
	Type：field type
	Collation：char set (above mysql 5.0）
	Null ：can be `NULL` of not
	Key：index（PRI,unique,index)

	* Export a whole database:
	Syntax:

	mysqldump -u username -p [pwd] DBname > /path/to/backup

	* Export a table in a specified database:
	Syntax:

	mysqldump -u username -p [pwd] DBname table_name > /path/to/backup

	set debug option:

	error_log path/to/err/log debug;

	P.S. Should config the ``--with-debug`` option during configure phase.