~diego-fmpwizard/mysql-proxy/bug-43424

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--[[ $%BEGINLICENSE%$
 Copyright (C) 2008 MySQL AB, 2008 Sun Microsystems, Inc

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; version 2 of the License.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 $%ENDLICENSE%$ --]]
local tokenizer = require("proxy.tokenizer")
local proto = require("mysql.proto")

function connect_server()
	-- emulate a server
	proxy.response = {
		type = proxy.MYSQLD_PACKET_RAW,
		packets = {
			proto.to_challenge_packet({})
		}
	}
	return proxy.PROXY_SEND_RESULT
end

--
-- returns the tokens of every query
--

-- Uncomment the following line if using with MySQL command line.
-- Keep it commented if using inside the test suite
-- local counter = 0

function read_query( packet )
    if packet:byte() ~= proxy.COM_QUERY then
        proxy.response = { type = proxy.MYSQLD_PACKET_OK } 
        return proxy.PROXY_SEND_RESULT
    end
    local query = packet:sub(2)
    --
    -- Uncomment the following two lines if using with MySQL command line.
    -- Keep them commented if using inside the test suite
    -- counter = counter + 1
    -- if counter < 3 then return end
    local tokens = tokenizer.tokenize(query)
    proxy.response.type = proxy.MYSQLD_PACKET_OK
    proxy.response.resultset = {
        fields = {
            { type = proxy.MYSQL_TYPE_STRING, name = "text", },
        },
        rows = { { '<'..tokenizer.normalize(tokens)..'>' } }
    }
    return proxy.PROXY_SEND_RESULT
end