PageDataIndex

The scan index allows to access a row by key. It can be used to iterate over all rows of a table. Each regular table has one such object, even if no primary key or indexes are defined.

Methods
void	add(Session session, Row row)
void	add(Session session, Row row)
boolean	canGetFirstOrLast()
boolean	canGetFirstOrLast()
void	checkRename()
void	checkRename()
void	close(Session session)
void	close(Session session)
void	commit(int operation, Row row)
void	commit(int operation, Row row)
Cursor	find(Session session, SearchRow first, SearchRow last)
Cursor	find(Session session, SearchRow first, SearchRow last)
Cursor	find(Session session, long first, long last, boolean multiVersion) Search for a specific row or a set of rows.
Cursor	find(Session session, long first, long last, boolean multiVersion) Search for a specific row or a set of rows. Parameters: session - the session first - the key of the first row last - the key of the last row multiVersion - if mvcc should be used Returns: the cursor
Cursor	findFirstOrLast(Session session, boolean first)
Cursor	findFirstOrLast(Session session, boolean first)
int	getColumnIndex(Column col)
int	getColumnIndex(Column col)
double	getCost(Session session, int[] masks, TableFilter[] filters, int filter, SortOrder sortOrder, HashSet allColumnsSet)
double	getCost(Session session, int[] masks, TableFilter[] filters, int filter, SortOrder sortOrder, HashSet allColumnsSet)
String	getCreateSQL()
String	getCreateSQL()
Iterator	getDelta()
Iterator	getDelta()
long	getDiskSpaceUsed()
long	getDiskSpaceUsed()
DbException	getDuplicateKeyException(String key)
DbException	getDuplicateKeyException(String key)
long	getKey(SearchRow row, long ifEmpty, long ifNull) Get the key from the row.
long	getKey(SearchRow row, long ifEmpty, long ifNull) Get the key from the row. Parameters: row - the row ifEmpty - the value to use if the row is empty ifNull - the value to use if the column is NULL Returns: the key
long	getLastKey()
long	getLastKey()
int	getMainIndexColumn()
int	getMainIndexColumn()
int	getMemoryPerPage()
int	getMemoryPerPage()
DbException	getNewDuplicateKeyException()
DbException	getNewDuplicateKeyException()
PageData	getPage(int id, int parent) Read the given page.
PageData	getPage(int id, int parent) Read the given page. Parameters: id - the page id parent - the parent, or -1 if unknown Returns: the page
PageDataOverflow	getPageOverflow(int id) Read an overflow page page.
PageDataOverflow	getPageOverflow(int id) Read an overflow page page. Parameters: id - the page id Returns: the page
PageStore	getPageStore()
PageStore	getPageStore()
String	getPlanSQL()
String	getPlanSQL()
Row	getRow(Session session, long key)
Row	getRow(Session session, long key)
long	getRowCount(Session session)
long	getRowCount(Session session)
long	getRowCountApproximation()
long	getRowCountApproximation()
Row	getRowWithKey(long key) Get the row with the given key.
Row	getRowWithKey(long key) Get the row with the given key. Parameters: key - the key Returns: the row
boolean	isFirstColumn(Column column)
boolean	isFirstColumn(Column column)
boolean	isRowIdIndex()
boolean	isRowIdIndex()
void	memoryChange(int x) The memory usage of a page was changed.
void	memoryChange(int x) The memory usage of a page was changed. The new value is used to adopt the average estimated memory size of a page. Parameters: x - the new memory size
boolean	needRebuild()
boolean	needRebuild()
void	remove(Session session, Row row)
void	remove(Session session, Row row)
void	remove(Session session)
void	remove(Session session)
void	setMainIndexColumn(int mainIndexColumn)
void	setMainIndexColumn(int mainIndexColumn)
void	setRootPageId(Session session, int newPos) The root page has changed.
void	setRootPageId(Session session, int newPos) The root page has changed. Parameters: session - the session newPos - the new position
String	toString()
String	toString()
void	truncate(Session session)
void	truncate(Session session)
void	writeRowCount()
void	writeRowCount()