org.h2.index
Class PageIndex

java.lang.Object
  org.h2.engine.DbObjectBase
      org.h2.schema.SchemaObjectBase
          org.h2.index.BaseIndex
              org.h2.index.PageIndex

All Implemented Interfaces:

DbObject, Index, SchemaObject

Direct Known Subclasses:

PageBtreeIndex, PageDataIndex, PageDelegateIndex

public abstract class PageIndex
extends BaseIndex

A page store index.

Field Summary

protected int

rootPageId The root page of this index.

Fields inherited from class org.h2.index.BaseIndex

columnIds, columns, indexColumns, indexType, isMultiVersion, table

Fields inherited from class org.h2.engine.DbObjectBase

comment, database, trace

Fields inherited from interface org.h2.index.Index

EMPTY_HEAD

Fields inherited from interface org.h2.engine.DbObject

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

Constructor Summary

PageIndex()

Method Summary

int	getHeadPos() Get the position of the head record.
int	getRootPageId() Get the root page of this index.
void	setSortedInsertMode(boolean sortedInsertMode)
abstract void	writeRowCount() Write back the row count if it has changed.

Methods inherited from class org.h2.index.BaseIndex

add, canFindNext, canGetFirstOrLast, close, commit, compareKeys, compareRows, containsNullAndAllowMultipleNull, find, findFirstOrLast, findNext, getColumnIndex, getColumnListSQL, getColumns, getCost, getCostRangeIndex, getCreateSQL, getCreateSQLForCopy, getDropSQL, getDuplicateKeyException, getIndexColumns, getIndexType, getLookupCost, getPlanSQL, getTable, getType, needRebuild, remove, remove, removeChildrenAndResources, truncate

Methods inherited from class org.h2.schema.SchemaObjectBase

getSchema, getSQL, initSchemaObjectBase

Methods inherited from class org.h2.engine.DbObjectBase

checkRename, getChildren, getComment, getDatabase, getId, getModificationId, getName, initDbObjectBase, invalidate, isTemporary, rename, setComment, setModified, setObjectName, setTemporary, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.h2.index.Index

getRowCount, getRowCountApproximation

Methods inherited from interface org.h2.schema.SchemaObject

getSchema

Methods inherited from interface org.h2.engine.DbObject

checkRename, getChildren, getComment, getDatabase, getId, getModificationId, getName, getSQL, isTemporary, rename, setComment, setModified, setTemporary

Field Detail

rootPageId

protected int rootPageId

The root page of this index.

Constructor Detail

PageIndex

public PageIndex()

Method Detail

getRootPageId

public int getRootPageId()

Description copied from interface: Index

Get the root page of this index.

Specified by:

getRootPageId in interface Index

Overrides:

getRootPageId in class BaseIndex

Returns:

the root page id

getHeadPos

public int getHeadPos()

Description copied from interface: DbObject

Get the position of the head record.

Specified by:

getHeadPos in interface DbObject

Overrides:

getHeadPos in class DbObjectBase

Returns:

the head position

writeRowCount

public abstract void writeRowCount()
                            throws java.sql.SQLException

Write back the row count if it has changed.

Throws:

java.sql.SQLException

setSortedInsertMode

public void setSortedInsertMode(boolean sortedInsertMode)