from db_feature import FeatureDB# Put the names that you want each column in the feature table here , e.g.,features = ['age', 'length', 'templates', 'external', 'internal']# Get a list of all the features in the dbfeatures_in_db = dbConn.getFeatureNames()for feature in features: if not feature in features_in_db: print "Adding column", feature dbConn.addFeature(feature, "double")# Get an iterator over all the rated pagespageList = dbConn.getRatedPages()# Here prafuls_feature_value is the svm feature valuefor page in pageList: dbConn.updateFeature('age', page, prafuls_feature_value)