new scala backend
new scala backend


Former-commit-id: 333323be9edf6b0f335fd0600df5e7df8150bade [formerly 38da55ebdc7fe07d82f1011be909d43d3bd56f7f] [formerly f3c7f696ddc21a77222e17ac041416560c8ee2e2]
Former-commit-id: 233472540bd14fcf3380a6b681b01c8a62f53360
Former-commit-id: 4ba2d54e39f7a253008c367a2493a895aad4150c
DEIB-GECO/PyGMQL,DEIB-GECO/PyGMQL