org.h2.result

类 UpdatableRow

java.lang.Object

org.h2.result.UpdatableRow

public class UpdatableRow
extends Object

This class is used for updatable result sets. An updatable row provides functions to update the current row in a result set.

构造器概要

构造器

构造器和说明
UpdatableRow(JdbcConnection conn, ResultInterface result) Construct a new object that is linked to the result set.

方法概要

限定符和类型	方法和说明
void	deleteRow(Value[] current) Delete the given row in the database.
void	insertRow(Value[] row) Insert a new row into the database.
boolean	isUpdatable() Check if this result set is updatable.
Value[]	readRow(Value[] row) Re-reads a row from the database and updates the values in the array.
void	updateRow(Value[] current, Value[] updateRow) Update a row in the database.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

UpdatableRow

public UpdatableRow(JdbcConnection conn,
                    ResultInterface result)
             throws SQLException

Construct a new object that is linked to the result set. The constructor reads the database meta data to find out if the result set is updatable.

参数:

conn - the database connection

result - the result

抛出:

SQLException

方法详细资料

isUpdatable

public boolean isUpdatable()

Check if this result set is updatable.

返回:

true if it is

readRow

public Value[] readRow(Value[] row)
                throws SQLException

Re-reads a row from the database and updates the values in the array.

参数:

row - the values that contain the key

返回:

the row

抛出:

SQLException

deleteRow

public void deleteRow(Value[] current)
               throws SQLException

Delete the given row in the database.

参数:

current - the row

抛出:

SQLException - if this row has already been deleted

updateRow

public void updateRow(Value[] current,
                      Value[] updateRow)
               throws SQLException

Update a row in the database.

参数:

current - the old row

updateRow - the new row

抛出:

SQLException - if the row has been deleted

insertRow

public void insertRow(Value[] row)
               throws SQLException

Insert a new row into the database.

参数:

row - the new row

抛出:

SQLException - if the row could not be inserted