bokeh_candlestick_2in1_demo:使用Bokeh在同一地块上生成价格和数量数据图的Python应用程序的描

# bokeh_candlestick_2in1_demo 2 in 1 graph. This is a script that extracts the data on the qoutes and the positions of the futures instuments from the Postgres database. It produces pandas dataframes from the data. One can select an instrument by its adjusted id and the graph will be outputed in a new browser tab. The integrated graph will show a candlestick plot of the quotes and the bar graph for the postions on the date of the selected insrument.