qpython.sync() is returning a QProjection instead of the queried data
问题 So I am running the following query without problems: print(self.data_source.connections['history'].sync( '{[x;y;z]select from trade where date within(x;y), sym in z}', numpy.datetime64('2014-04-14', 'D'), numpy.datetime64('2017-08-14', 'D'), NumpyUtil.parse_symbols(['instr81', 'instr61', 'instr26']) )) Here the self.data_source.connections[] is just a dictionary with the tickerplant, hdb and rdb connections and the NumpyUtil.parse_symbols() is a little method that parses the argument to the