(

	{
		error		=> sub { get('username') ne 'myuser' ? "Access denied -- username must be 'myuser'." : undef }
	},

#
# Some simple examples similar to the ones at
# http://datacharmer.blogspot.com/2007/06/your-first-macros-with-mysql-proxy.html
#

	{
		match		=> qr{^ls\s*(.*)}io,
		rewrite		=> sub { $_[1] eq '' ? "SHOW DATABASES" : "SHOW TABLES FROM $_[1]" },
	}, {
	
		match		=> qr{^cd\s*(.*)}io,
		rewrite		=> sub { "USE $_[1]" },
	}, {
		match		=> 'info',
		rewrite		=> 'SELECT USER(), NOW()'
	}, {
		match		=> qr{^SLECT}io,
		rewrite		=> sub { $_[0] =~ s{^SLECT}{SELECT}io; return $_[0] }

	}, {
		match		=> 'hello',
		columns		=> ['Hello','World'],
		data		=> [
					['first-left','first-right'],
					['second-left','second-right']
				]
	},

#
# Final rule - Forward all other queries as they are to the default DBH
#

	{
		match		=> qr{(.*)}o
	}
);