public void reviewsByUser() throws SQLException {
GetReviewsByUser proc = this.getProcedure(GetReviewsByUser.class);
assert (proc != null);
long uid = Long.valueOf(user_ids.get(rand.nextInt(user_ids.size())));
proc.run(conn, uid);
}
public void averageRatingByTrustedUser() throws SQLException {
GetAverageRatingByTrustedUser proc = this.getProcedure(GetAverageRatingByTrustedUser.class);
assert (proc != null);