org.h2.result

Interface Row

All Superinterfaces:

SearchRow

All Known Implementing Classes:

RowImpl

public interface Row
extends SearchRow

Represents a row in a table.

Field Summary

Fields

Modifier and Type	Field and Description
static Row[]	EMPTY_ARRAY
static int	MEMORY_CALCULATE

Fields inherited from interface org.h2.result.SearchRow

ROWID_INDEX

Method Summary

Methods

Modifier and Type	Method and Description
int	getByteCount(Data dummy) Get the number of bytes required for the data.
Value[]	getValueList() Get values.
boolean	hasSharedData(Row other) Check whether this row and the specified row share the same underlying data with values.
boolean	isDeleted() Check if the row is deleted.
boolean	isEmpty() Check if this is an empty row.
void	setDeleted(boolean deleted) Mark the row as deleted.

Methods inherited from interface org.h2.result.SearchRow

getColumnCount, getKey, getMemory, getValue, setKey, setKey, setValue

Field Detail

MEMORY_CALCULATE

static final int MEMORY_CALCULATE

See Also:

Constant Field Values

EMPTY_ARRAY

static final Row[] EMPTY_ARRAY

Method Detail

getByteCount

int getByteCount(Data dummy)

Get the number of bytes required for the data.

Parameters:

dummy - the template buffer

Returns:

the number of bytes

isEmpty

boolean isEmpty()

Check if this is an empty row.

Returns:

true if the row is empty

setDeleted

void setDeleted(boolean deleted)

Mark the row as deleted.

Parameters:

deleted - deleted flag

isDeleted

boolean isDeleted()

Check if the row is deleted.

Returns:

true if the row is deleted

getValueList

Value[] getValueList()

Get values.

Returns:

values

hasSharedData

boolean hasSharedData(Row other)

Check whether this row and the specified row share the same underlying data with values. This method must return false when values are not equal and may return either true or false when they are equal. This method may be used only for optimizations and should not perform any slow checks, such as equality checks for all pairs of values.

Parameters:

other - the other row

Returns:

true if rows share the same underlying data, false otherwise or when unknown