[jdbc] support JDBC option to rewrite batch statement to multi-row insert (#1220)

• [jdbc] support JDBC option to rewrite batch statement to multi-row insert

batch statement int[] results = insertStatement.executeBatch() returns 1 for successful completion. when the batch statement is re-written to multi-row insert, SUCCESS_NO_INFO (-2) is returned instead. This change expands allowable results values to be 1 AND -2

• [jdbc] note on rewriting batch insert to multi-row