org.h2.table

Class VirtualConstructedTable

java.lang.Object

org.h2.engine.DbObjectBase

org.h2.schema.SchemaObjectBase

org.h2.table.Table

org.h2.table.VirtualTable

org.h2.table.VirtualConstructedTable

All Implemented Interfaces:

DbObject, SchemaObject

Direct Known Subclasses:

DataChangeDeltaTable, FunctionTable, TableValueConstructorTable

public abstract class VirtualConstructedTable
extends VirtualTable

A base class for virtual tables that construct all their content at once.

Field Summary

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

Modifier	Constructor and Description
protected	VirtualConstructedTable(Schema schema, int id, java.lang.String name)

Method Summary

Methods

Modifier and Type	Method and Description
long	getMaxDataModificationId() Get the last data modification id.
abstract ResultInterface	getResult(Session session) Read the rows from the table.
Index	getScanIndex(Session session) Get the scan index to iterate through all rows.

Methods inherited from class org.h2.table.VirtualTable

addIndex, addRow, canDrop, canReference, checkRename, checkSupportAlter, close, getCreateSQL, getDiskSpaceUsed, getDropSQL, getIndexes, getTableType, getUniqueIndex, isLockedExclusively, lock, removeRow, truncate, unlock

Methods inherited from class org.h2.table.Table

addConstraint, addDependencies, addDependentView, addSequence, addSynonym, addTrigger, canGetRowCount, canTruncate, checkDeadlock, 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, getRow, getRowCount, getRowCountApproximation, getRowIdColumn, getScanIndex, getTemplateRow, getTemplateSimpleRow, getType, hasInsteadOfTrigger, hasSelectTrigger, isDeterministic, isGlobalTemporary, isHidden, isLockedExclusivelyBy, isMVStore, isPersistData, isPersistIndexes, isQueryComparable, isTableExpression, isView, lockRow, removeChildrenAndResources, 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, toString

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

VirtualConstructedTable

protected VirtualConstructedTable(Schema schema,
                       int id,
                       java.lang.String name)

Method Detail

getResult

public abstract ResultInterface getResult(Session session)

Read the rows from the table.

Parameters:

session - the session

Returns:

the result

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

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