con = getConnection();
stm = con.prepareStatement(INSERT_SQL);
int col = 1;
stm.setTimestamp(col++, new Timestamp(millis));
stm.setInt(col++, level.intValue());
setNullableVarchar(stm, col++, transactionID);
setNullableVarchar(stm, col++, eventID);
setNullableVarchar(stm, col++, eventType);
setNullableVarchar(stm, col++, componentID);
setNullableVarchar(stm, col++, threadID);