Attempt to re-open an already-closed object: java.lang.IllegalStateException:?

Question

I know this question has asked many times in SO,but i couldn\'t figure out my exact problem.

I am using the following code to get the data from the database(Table1)

Answer 1

You can achieve your goal with pure SQL it is faster and better from architecture point of View because all logic will be in one SQL transaction

REPLACE INTO table_where_to_put  SELECT *, (totalmatchedscore/totalingredients) as average  FROM table_with_input_data

Use REPLACE OR UPDATE