Re: mysql proxy crash.

[cerlin gao]

in lua script there isnot define is_in_transaction,so i modify lua script as follows:
1)in function read_query(packet) add local is_in_transaction = 0
2)in function read_query_result( inj )
local res = assert(inj.resultset)
local flags = res.flags
locat is_in_transaction1 =0
if inj.id ~= 1 then -- ignore the result of the USE <default_db>
return proxy.PROXY_IGNORE_RESULT
end
is_in_transaction = flags.in_trans
if is_in_transaction1 == 0 then -- release the backend proxy.connection.backend_ndx = 0
endend

Only modify like this can achieve r/w splitting,but mysql proxy will crash.How to modify?