org.h2.table

类 VirtualTable

java.lang.Object

org.h2.engine.DbObject

org.h2.schema.SchemaObject

org.h2.table.Table

org.h2.table.VirtualTable

所有已实现的接口:

HasSQL

直接已知子类:

DualTable, RangeTable, VirtualConstructedTable

public abstract class VirtualTable
extends Table

A base class for virtual tables.

字段概要

从类继承的字段 org.h2.table.Table

columns, compareMode, EXCLUSIVE_LOCK, isHidden, READ_LOCK, TYPE_CACHED, TYPE_MEMORY, WRITE_LOCK

从类继承的字段 org.h2.engine.DbObject

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

从接口继承的字段 org.h2.util.HasSQL

ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

构造器概要

构造器

限定符	构造器和说明
protected	VirtualTable(Schema schema, int id, String name)

方法概要

限定符和类型	方法和说明
Index	addIndex(SessionLocal session, String indexName, int indexId, IndexColumn[] cols, int uniqueColumnCount, IndexType indexType, boolean create, String indexComment) Create an index for this table
void	addRow(SessionLocal session, Row row) Add a row to the table and all indexes.
boolean	canDrop() Check if this table can be dropped.
boolean	canReference() Check if this table can be referenced.
void	checkRename() Check if renaming is allowed.
void	checkSupportAlter() Check if this table supports ALTER TABLE.
void	close(SessionLocal session) Close the table object and flush changes.
String	getCreateSQL() Construct the CREATE ...
ArrayList<Index>	getIndexes() Get all indexes for this table.
TableType	getTableType() Get the table type name
boolean	isInsertable() Returns whether this table is insertable.
void	removeRow(SessionLocal session, Row row) Remove a row from the table and all indexes.
long	truncate(SessionLocal session) Remove all rows from the table and indexes.

从类继承的方法 org.h2.table.Table

addConstraint, addDependencies, addDependentView, addSequence, addSynonym, addTrigger, canGetRowCount, canTruncate, checkDeadlock, checkWritingAllowed, compareValues, convertInsertRow, convertUpdateRow, createRow, doesColumnExist, dropMultipleColumnsConstraintsAndIndexes, findColumn, findPrimaryKey, fire, fireAfterRow, fireBeforeRow, fireRow, getBestPlanItem, getCheckForeignKeyConstraints, getChildren, getColumn, getColumn, getColumn, getColumns, getCompareMode, getConstraints, getDependentViews, getDiskSpaceUsed, getIdentityColumn, getIndex, getIndexForColumn, getMainIndexColumn, getMaxDataModificationId, getNullRow, getOnCommitDrop, getOnCommitTruncate, getPrimaryKey, getRow, getRowCount, getRowCountApproximation, getRowFactory, getRowIdColumn, getScanIndex, getScanIndex, getSQLTableType, getTemplateRow, getTemplateSimpleRow, getTriggers, getType, hasSelectTrigger, isDeterministic, isGlobalTemporary, isHidden, isLockedExclusively, isLockedExclusivelyBy, isPersistData, isPersistIndexes, isQueryComparable, isRowLockable, isTableExpression, isView, lock, lockRow, removeChildrenAndResources, removeColumnExpressionsDependencies, removeConstraint, removeDependentView, removeIndex, removeIndexOrTransferOwnership, removeSequence, removeSynonym, removeTrigger, rename, renameColumn, setCheckForeignKeyConstraints, setColumns, setHidden, setOnCommitDrop, setOnCommitTruncate, setTableExpression, unlock, updateRow, updateRows

从类继承的方法 org.h2.schema.SchemaObject

getSchema, getSQL, getSQL

从类继承的方法 org.h2.engine.DbObject

getComment, getCreateSQLForCopy, getCreateSQLForMeta, getDatabase, getDropSQL, getId, getModificationId, getName, invalidate, isTemporary, isValid, setComment, setModified, setObjectName, setTemporary, toString

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.h2.util.HasSQL

getTraceSQL

构造器详细资料

VirtualTable

protected VirtualTable(Schema schema,
                       int id,
                       String name)

方法详细资料

close

public void close(SessionLocal session)

从类复制的说明: Table

Close the table object and flush changes.

指定者:

close 在类中 Table

参数:

session - the session

addIndex

public Index addIndex(SessionLocal session,
                      String indexName,
                      int indexId,
                      IndexColumn[] cols,
                      int uniqueColumnCount,
                      IndexType indexType,
                      boolean create,
                      String indexComment)

从类复制的说明: Table

Create an index for this table

指定者:

addIndex 在类中 Table

参数:

session - the session

indexName - the name of the index

indexId - the id

cols - the index columns

uniqueColumnCount - the count of unique columns

indexType - the index type

create - whether this is a new index

indexComment - the comment

返回:

the index

isInsertable

public boolean isInsertable()

从类复制的说明: Table

Returns whether this table is insertable.

覆盖:

isInsertable 在类中 Table

返回:

whether this table is insertable

removeRow

public void removeRow(SessionLocal session,
                      Row row)

从类复制的说明: Table

Remove a row from the table and all indexes.

指定者:

removeRow 在类中 Table

参数:

session - the session

row - the row

truncate

public long truncate(SessionLocal session)

从类复制的说明: Table

Remove all rows from the table and indexes.

指定者:

truncate 在类中 Table

参数:

session - the session

返回:

number of removed rows, possibly including uncommitted rows

addRow

public void addRow(SessionLocal session,
                   Row row)

从类复制的说明: Table

Add a row to the table and all indexes.

指定者:

addRow 在类中 Table

参数:

session - the session

row - the row

checkSupportAlter

public void checkSupportAlter()

从类复制的说明: Table

Check if this table supports ALTER TABLE.

指定者:

checkSupportAlter 在类中 Table

getTableType

public TableType getTableType()

从类复制的说明: Table

Get the table type name

指定者:

getTableType 在类中 Table

返回:

the table type name

getIndexes

public ArrayList<Index> getIndexes()

从类复制的说明: Table

Get all indexes for this table.

指定者:

getIndexes 在类中 Table

返回:

the list of indexes

canReference

public boolean canReference()

从类复制的说明: Table

Check if this table can be referenced.

覆盖:

canReference 在类中 Table

返回:

true if it can

canDrop

public boolean canDrop()

从类复制的说明: Table

Check if this table can be dropped.

指定者:

canDrop 在类中 Table

返回:

true if it can

getCreateSQL

public String getCreateSQL()

从类复制的说明: DbObject

Construct the CREATE ... SQL statement for this object.

指定者:

getCreateSQL 在类中 DbObject

返回:

the SQL statement

checkRename

public void checkRename()

从类复制的说明: DbObject

Check if renaming is allowed. Does nothing when allowed.

覆盖:

checkRename 在类中 DbObject