org.postgresql.core

Class Tuple

java.lang.Object

org.postgresql.core.Tuple

public class Tuple
extends Object

Class representing a row in a ResultSet.

Constructor Summary

Constructors

Constructor and Description
Tuple(byte[][] data) Construct a populated tuple.
Tuple(int length) Construct an empty tuple.

Method Summary

Modifier and Type	Method and Description
@NonNegative int	fieldCount() Number of fields in the tuple
byte[]	get(@NonNegative int index) Get the data for the given field
@NonNegative int	length() Total length in bytes of the tuple data.
Tuple	readOnlyCopy() Create a read-only copy of the tuple
void	set(@NonNegative int index, byte[] fieldData) Set the given field to the given data.
Tuple	updateableCopy() Create a copy of the tuple for updating.

Methods inherited from class java.lang.Object

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

Constructor Detail

Tuple

public Tuple(int length)

Construct an empty tuple. Used in updatable result sets.

Parameters:

length - the number of fields in the tuple.

Tuple

public Tuple(byte[][] data)

Construct a populated tuple. Used when returning results.

Parameters:

data - the tuple data

Method Detail

fieldCount

public @NonNegative int fieldCount()

Number of fields in the tuple

Returns:

number of fields

length

public @NonNegative int length()

Total length in bytes of the tuple data.

Returns:

the number of bytes in this tuple

get

@Pure
public byte[] get(@NonNegative int index)

Get the data for the given field

Parameters:

index - 0-based field position in the tuple

Returns:

byte array of the data

updateableCopy

public Tuple updateableCopy()

Create a copy of the tuple for updating.

Returns:

a copy of the tuple that allows updates

readOnlyCopy

public Tuple readOnlyCopy()

Create a read-only copy of the tuple

Returns:

a copy of the tuple that does not allow updates

set

public void set(@NonNegative int index,
                byte[] fieldData)

Set the given field to the given data.

Parameters:

index - 0-based field position

fieldData - the data to set