HAWQ-973. Check pi_varList before adding proj headers
HAWQ-973. Check pi_varList before adding proj headers

wengyanqing/incubator-hawq,lavjain/incubator-hawq,stanlyxiang/incubator-hawq,lavjain/incubator-hawq,outofmem0ry/incubator-hawq,huor/incubator-hawq,outofmem0ry/incubator-hawq,lavjain/incubator-hawq,outofmem0ry/incubator-hawq,jianlirong/incubator-hawq,stanlyxiang/incubator-hawq,outofmem0ry/incubator-hawq,huor/incubator-hawq,wengyanqing/incubator-hawq,wengyanqing/incubator-hawq,wengyanqing/incubator-hawq,huor/incubator-hawq,stanlyxiang/incubator-hawq,huor/incubator-hawq,stanlyxiang/incubator-hawq,stanlyxiang/incubator-hawq,huor/incubator-hawq,jianlirong/incubator-hawq,outofmem0ry/incubator-hawq,outofmem0ry/incubator-hawq,huor/incubator-hawq,stanlyxiang/incubator-hawq,stanlyxiang/incubator-hawq,jianlirong/incubator-hawq,lavjain/incubator-hawq,lavjain/incubator-hawq,jianlirong/incubator-hawq,outofmem0ry/incubator-hawq,jianlirong/incubator-hawq,lavjain/incubator-hawq,jianlirong/incubator-hawq,huor/incubator-hawq,wengyanqing/incubator-hawq,lavjain/incubator-hawq,outofmem0ry/incubator-hawq,wengyanqing/incubator-hawq,wengyanqing/incubator-hawq,jianlirong/incubator-hawq,wengyanqing/incubator-hawq,lavjain/incubator-hawq,jianlirong/incubator-hawq