org.h2.pagestore.db

Class PageStoreTable

java.lang.Object

org.h2.engine.DbObjectBase

org.h2.schema.SchemaObjectBase

org.h2.table.Table

org.h2.table.TableBase

org.h2.table.RegularTable

org.h2.pagestore.db.PageStoreTable

All Implemented Interfaces:

DbObject, SchemaObject

public class PageStoreTable
extends RegularTable

A table store in a PageStore.

Field Summary

Fields inherited from class org.h2.table.RegularTable

containsLargeObject, lockExclusiveSession, lockSharedSessions

Fields inherited from class org.h2.table.Table

columns, compareMode, isHidden, TYPE_CACHED, TYPE_MEMORY

Fields inherited from class org.h2.engine.DbObjectBase

comment, database, trace

Fields inherited from interface org.h2.engine.DbObject

AGGREGATE, COMMENT, CONSTANT, CONSTRAINT, DOMAIN, FUNCTION_ALIAS, INDEX, RIGHT, ROLE, SCHEMA, SEQUENCE, SETTING, SYNONYM, TABLE_OR_VIEW, TRIGGER, USER

Constructor Summary

Constructors

Constructor and Description
PageStoreTable(CreateTableData data)

Method Summary

Methods

Modifier and Type	Method and Description
Index	addIndex(Session session, java.lang.String indexName, int indexId, IndexColumn[] cols, IndexType indexType, boolean create, java.lang.String indexComment) Create an index for this table
void	addRow(Session session, Row row) Add a row to the table and all indexes.
void	close(Session session) Close the table object and flush changes.
long	getDiskSpaceUsed()
java.util.ArrayList<Index>	getIndexes() Get all indexes for this table.
long	getMaxDataModificationId() Get the last data modification id.
Row	getRow(Session session, long key) Get the given row.
long	getRowCount(Session session) Get the row count for this table.
long	getRowCountApproximation() Get the approximated row count for this table.
Index	getScanIndex(Session session) Get the scan index to iterate through all rows.
Index	getUniqueIndex() Get any unique index for this table if one exists.
boolean	lock(Session session, boolean exclusive, boolean forceLockEvenInMvcc) Lock the table for the given session.
void	removeChildrenAndResources(Session session) Remove all dependent objects and free all resources (files, blocks in files) of this object.
void	removeRow(Session session, Row row) Remove a row from the table and all indexes.
void	setCompareMode(CompareMode compareMode)
void	setRowCount(long count) Set the row count of this table.
void	truncate(Session session) Remove all rows from the table and indexes.
void	unlock(Session s) Release the lock for this session.

Methods inherited from class org.h2.table.RegularTable

addRowsToIndex, canDrop, canGetRowCount, canTruncate, checkDeadlock, checkRename, checkSupportAlter, getContainsLargeObject, getDeadlockDetails, getRowIdColumn, getTableType, isDeterministic, isLockedExclusively, isLockedExclusivelyBy, sortRows, toString

Methods inherited from class org.h2.table.TableBase

getCreateSQL, getDropSQL, getMainIndexColumn, isGlobalTemporary

Methods inherited from class org.h2.table.Table

addConstraint, addDependencies, addDependentView, addSequence, addSynonym, addTrigger, canReference, checkWritingAllowed, compareValues, createRow, doesColumnExist, dropMultipleColumnsConstraintsAndIndexes, findColumn, findPrimaryKey, fire, fireAfterRow, fireBeforeRow, fireRow, getBestPlanItem, getCheckForeignKeyConstraints, getChildren, getColumn, getColumn, getColumn, getColumns, getCompareMode, getConstraints, getCreateSQLForCopy, getDefaultValue, getDependentViews, getIndex, getIndexForColumn, getOnCommitDrop, getOnCommitTruncate, getOnUpdateValue, getPrimaryKey, getScanIndex, getTemplateRow, getTemplateSimpleRow, getType, hasInsteadOfTrigger, hasSelectTrigger, isHidden, isMVStore, isPersistData, isPersistIndexes, isQueryComparable, isTableExpression, isView, lockRow, removeColumnExpressionsDependencies, removeConstraint, removeDependentView, removeIndex, removeIndexOrTransferOwnership, removeSequence, removeSynonym, removeTrigger, rename, renameColumn, setCheckForeignKeyConstraints, setColumns, setHidden, setOnCommitDrop, setOnCommitTruncate, setTableExpression, updateRow, updateRows, validateConvertUpdateSequence

Methods inherited from class org.h2.schema.SchemaObjectBase

getSchema, getSQL, getSQL

Methods inherited from class org.h2.engine.DbObjectBase

getComment, getDatabase, getId, getModificationId, getName, invalidate, isTemporary, isValid, setComment, setModified, setObjectName, setTemporary

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.h2.engine.DbObject

getComment, getDatabase, getId, getName, isTemporary, setComment, setTemporary

Constructor Detail

PageStoreTable

public PageStoreTable(CreateTableData data)

Method Detail

close

public void close(Session session)

Description copied from class: Table

Close the table object and flush changes.

Specified by:

close in class Table

Parameters:

session - the session

getRow

public Row getRow(Session session,
         long key)

Description copied from class: Table

Get the given row.

Overrides:

getRow in class Table

Parameters:

session - the session

key - the primary key

Returns:

the row

addRow

public void addRow(Session session,
          Row row)

Description copied from class: Table

Add a row to the table and all indexes.

Specified by:

addRow in class Table

Parameters:

session - the session

row - the row

getScanIndex

public Index getScanIndex(Session session)

Description copied from class: Table

Get the scan index to iterate through all rows.

Specified by:

getScanIndex in class Table

Parameters:

session - the session

Returns:

the index

getUniqueIndex

public Index getUniqueIndex()

Description copied from class: Table

Get any unique index for this table if one exists.

Specified by:

getUniqueIndex in class Table

Returns:

a unique index

getIndexes

public java.util.ArrayList<Index> getIndexes()

Description copied from class: Table

Get all indexes for this table.

Specified by:

getIndexes in class Table

Returns:

the list of indexes

addIndex

public Index addIndex(Session session,
             java.lang.String indexName,
             int indexId,
             IndexColumn[] cols,
             IndexType indexType,
             boolean create,
             java.lang.String indexComment)

Description copied from class: Table

Create an index for this table

Specified by:

addIndex in class Table

Parameters:

session - the session

indexName - the name of the index

indexId - the id

cols - the index columns

indexType - the index type

create - whether this is a new index

indexComment - the comment

Returns:

the index

getRowCount

public long getRowCount(Session session)

Description copied from class: Table

Get the row count for this table.

Specified by:

getRowCount in class Table

Parameters:

session - the session

Returns:

the row count

removeRow

public void removeRow(Session session,
             Row row)

Description copied from class: Table

Remove a row from the table and all indexes.

Specified by:

removeRow in class Table

Parameters:

session - the session

row - the row

truncate

public void truncate(Session session)

Description copied from class: Table

Remove all rows from the table and indexes.

Specified by:

truncate in class Table

Parameters:

session - the session

lock

public boolean lock(Session session,
           boolean exclusive,
           boolean forceLockEvenInMvcc)

Description copied from class: Table

Lock the table for the given session. This method waits until the lock is granted.

Specified by:

lock in class Table

Parameters:

session - the session

exclusive - true for write locks, false for read locks

forceLockEvenInMvcc - lock even in the MVCC mode

Returns:

true if the table was already exclusively locked by this session.

unlock

public void unlock(Session s)

Description copied from class: Table

Release the lock for this session.

Specified by:

unlock in class Table

Parameters:

s - the session

setRowCount

public void setRowCount(long count)

Set the row count of this table.

Parameters:

count - the row count

removeChildrenAndResources

public void removeChildrenAndResources(Session session)

Description copied from class: DbObjectBase

Remove all dependent objects and free all resources (files, blocks in files) of this object.

Specified by:

removeChildrenAndResources in interface DbObject

Overrides:

removeChildrenAndResources in class Table

Parameters:

session - the session

getMaxDataModificationId

public long getMaxDataModificationId()

Description copied from class: Table

Get the last data modification id.

Specified by:

getMaxDataModificationId in class Table

Returns:

the modification id

getRowCountApproximation

public long getRowCountApproximation()

Description copied from class: Table

Get the approximated row count for this table.

Specified by:

getRowCountApproximation in class Table

Returns:

the approximated row count

getDiskSpaceUsed

public long getDiskSpaceUsed()

Specified by:

getDiskSpaceUsed in class Table

setCompareMode

public void setCompareMode(CompareMode compareMode)