org.h2.result

Class UpdatableRow

java.lang.Object

org.h2.result.UpdatableRow

public class UpdatableRow
extends java.lang.Object

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

Constructor Summary

Constructors

Constructor and Description
UpdatableRow(JdbcConnection conn, ResultInterface result) Construct a new object that is linked to the result set.

Method Summary

Modifier and Type	Method and Description
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.

Methods inherited from class java.lang.Object

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

Constructor Detail

UpdatableRow

public UpdatableRow(JdbcConnection conn,
                    ResultInterface result)
             throws java.sql.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.

Parameters:

conn - the database connection

result - the result

Throws:

java.sql.SQLException

Method Detail

isUpdatable

public boolean isUpdatable()

Check if this result set is updatable.

Returns:

true if it is

readRow

public Value[] readRow(Value[] row)
                throws java.sql.SQLException

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

Parameters:

row - the values that contain the key

Returns:

the row

Throws:

java.sql.SQLException

deleteRow

public void deleteRow(Value[] current)
               throws java.sql.SQLException

Delete the given row in the database.

Parameters:

current - the row

Throws:

java.sql.SQLException - if this row has already been deleted

updateRow

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

Update a row in the database.

Parameters:

current - the old row

updateRow - the new row

Throws:

java.sql.SQLException - if the row has been deleted

insertRow

public void insertRow(Value[] row)
               throws java.sql.SQLException

Insert a new row into the database.

Parameters:

row - the new row

Throws:

java.sql.SQLException - if the row could not be inserted