1用支持回滚的rs
2重新再打开一次
3找其他地方存一下(Array)
2重新再打开一次
3找其他地方存一下(Array)
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rs.first();
rs.absolute(int row);
* Creates a <code>Statement</code> object that will generate
* <code>ResultSet</code> objects with the given type and concurrency.
* This method is the same as the <code>createStatement</code> method
* above, but it allows the default result set
* type and concurrency to be overridden.
*
* @param resultSetType a result set type; one of
* <code>ResultSet.TYPE_FORWARD_ONLY</code>,
* <code>ResultSet.TYPE_SCROLL_INSENSITIVE</code>, or
* <code>ResultSet.TYPE_SCROLL_SENSITIVE</code>
* @param resultSetConcurrency a concurrency type; one of
* <code>ResultSet.CONCUR_READ_ONLY</code> or
* <code>ResultSet.CONCUR_UPDATABLE</code>
* @return a new <code>Statement</code> object that will generate
* <code>ResultSet</code> objects with the given type and
* concurrency
* @exception SQLException if a database access error occurs
* or the given parameters are not <code>ResultSet</code>
* constants indicating type and concurrency
* @since 1.2
*/
Statement createStatement(int resultSetType, int resultSetConcurrency)
throws SQLException;