generate C++ client

// gen cpp file src/gen-cpp

thrift -r --gen cpp CalciteServer.thrift

cd gen-cpp

g++ -g -std=c++11 -I/usr/local/include/thrift -I/usr/local/include/boost -I./ CalciteServer.cpp CalciteServer_types.cpp CalciteServer_constants.cpp ../main/cpp/SqlClient.cpp -o client -lthrift