org.h2.table

类 TableSynonym

java.lang.Object

org.h2.engine.DbObject

org.h2.schema.SchemaObject

org.h2.table.TableSynonym

所有已实现的接口:

HasSQL

public class TableSynonym
extends SchemaObject

Synonym for an existing table or view. All DML requests are forwarded to the backing table. Adding indices to a synonym or altering the table is not supported.

字段概要

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

构造器和说明
TableSynonym(CreateSynonymData data)

方法概要

限定符和类型	方法和说明
void	checkRename() Check if renaming is allowed.
String	getCreateSQL() Construct the CREATE ...
String	getCreateSQLForCopy(Table table, String quotedName) Build a SQL statement to re-create the object, or to create a copy of the object with a different name or referencing a different table
String	getDropSQL() Construct a DROP ...
Table	getSynonymFor()
String	getSynonymForName()
Schema	getSynonymForSchema()
int	getType() Get the object type.
boolean	isInvalid()
void	removeChildrenAndResources(SessionLocal session) Delete all dependent children objects and resources of this object.
void	rename(String newName) Rename the object.
void	updateData(CreateSynonymData data) Set (update) the data.
void	updateSynonymFor() Update the table that this is a synonym for, to know about this synonym.

从类继承的方法 org.h2.schema.SchemaObject

getSchema, getSQL, getSQL, isHidden

从类继承的方法 org.h2.engine.DbObject

getChildren, getComment, getCreateSQLForMeta, getDatabase, 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

TableSynonym

public TableSynonym(CreateSynonymData data)

方法详细资料

getSynonymFor

public Table getSynonymFor()

返回:

the table this is a synonym for

updateData

public void updateData(CreateSynonymData data)

Set (update) the data.

参数:

data - the new data

getType

public int getType()

从类复制的说明: DbObject

Get the object type.

指定者:

getType 在类中 DbObject

返回:

the object type

getCreateSQLForCopy

public String getCreateSQLForCopy(Table table,
                                  String quotedName)

从类复制的说明: DbObject

Build a SQL statement to re-create the object, or to create a copy of the object with a different name or referencing a different table

覆盖:

getCreateSQLForCopy 在类中 DbObject

参数:

table - the new table

quotedName - the quoted name

返回:

the SQL statement

rename

public void rename(String newName)

从类复制的说明: DbObject

Rename the object.

覆盖:

rename 在类中 DbObject

参数:

newName - the new name

removeChildrenAndResources

public void removeChildrenAndResources(SessionLocal session)

从类复制的说明: DbObject

Delete all dependent children objects and resources of this object.

指定者:

removeChildrenAndResources 在类中 DbObject

参数:

session - the session

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

getDropSQL

public String getDropSQL()

从类复制的说明: DbObject

Construct a DROP ... SQL statement for this object.

覆盖:

getDropSQL 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

getSynonymForName

public String getSynonymForName()

返回:

the table this synonym is for

getSynonymForSchema

public Schema getSynonymForSchema()

返回:

the schema this synonym is for

isInvalid

public boolean isInvalid()

返回:

true if this synonym currently points to a real table

updateSynonymFor

public void updateSynonymFor()

Update the table that this is a synonym for, to know about this synonym.