PageDataLeaf

A leaf page that contains data of one or multiple rows. Format:

• page type: byte (0)
• checksum: short (1-2)
• parent page id (0 for root): int (3-6)
• table id: varInt
• column count: varInt
• entry count: short
• with overflow: the first overflow page id: int
• list of key / offset pairs (key: varLong, offset: shortInt)
• data

Methods
static PageDataLeaf	create(PageDataIndex index, int pageId, int parentPageId) Create a new page.
static PageDataLeaf	create(PageDataIndex index, int pageId, int parentPageId) Create a new page. Parameters: index - the index pageId - the page id parentPageId - the parent Returns: the page
static Page	read(PageDataIndex index, Data data, int pageId) Read a data leaf page.
static Page	read(PageDataIndex index, Data data, int pageId) Read a data leaf page. Parameters: index - the index data - the data pageId - the page id Returns: the page
int	addRowTry(Row row)
int	addRowTry(Row row)
Cursor	find(Session session, long minKey, long maxKey, boolean multiVersion)
Cursor	find(Session session, long minKey, long maxKey, boolean multiVersion)
void	freeRecursive()
void	freeRecursive()
long	getDiskSpaceUsed()
long	getDiskSpaceUsed()
int	getEntryCount()
int	getEntryCount()
PageDataLeaf	getFirstLeaf()
PageDataLeaf	getFirstLeaf()
long	getLastKey()
long	getLastKey()
PageDataLeaf	getNextPage()
PageDataLeaf	getNextPage()
Row	getRowAt(int at) Get the row at the given index.
Row	getRowAt(int at) Get the row at the given index. Parameters: at - the index Returns: the row
int	getRowCount()
int	getRowCount()
Row	getRowWithKey(long key)
Row	getRowWithKey(long key)
boolean	isStream()
boolean	isStream()
void	moveTo(Session session, int newPos)
void	moveTo(Session session, int newPos)
void	remapChildren(int old)
void	remapChildren(int old)
boolean	remove(long key)
boolean	remove(long key)
void	setOverflow(int old, int overflow) Set the overflow page id.
void	setOverflow(int old, int overflow) Set the overflow page id. Parameters: old - the old overflow page id overflow - the new overflow page id
void	setRowCountStored(int rowCount)
void	setRowCountStored(int rowCount)
PageData	split(int splitPoint)
PageData	split(int splitPoint)
String	toString()
String	toString()
void	write()
void	write()