Moving ResultSet to first
2016-06-24 00:00
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// Create a scrollable result set Statement stmt = connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_READ_ONLY); ResultSet resultSet = stmt.executeQuery("SELECT * FROM my_table"); // Move cursor forward while (resultSet.next()) { // Get data at cursor String s = resultSet.getString(1); } // Move cursor backward while (resultSet.previous()) { // Get data at cursor String s = resultSet.getString(1); } // Move cursor before first record resultSet.beforeFirst(); //required statement in this case
ResultSet可以往回退,必须在PreparedStatment里面配置 ResulSet相关属性。
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