org.h2.schema

类 Constant

java.lang.Object

org.h2.engine.DbObjectBase

org.h2.schema.SchemaObjectBase

org.h2.schema.Constant

所有已实现的接口:

DbObject, SchemaObject

public class Constant
extends SchemaObjectBase

A user-defined constant as created by the SQL statement CREATE CONSTANT

字段概要

从类继承的字段 org.h2.engine.DbObjectBase

comment, database, trace

从接口继承的字段 org.h2.engine.DbObject

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

构造器概要

构造器

构造器和说明
Constant(Schema schema, int id, String name)

方法概要

限定符和类型	方法和说明
void	checkRename() Check if this object can be renamed.
String	getCreateSQL() Build a SQL statement to re-create this object.
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() Build a SQL statement to drop this object.
int	getType() Get the object type.
ValueExpression	getValue()
void	removeChildrenAndResources(Session session) Remove all dependent objects and free all resources (files, blocks in files) of this object.
void	setValue(Value value)

从类继承的方法 org.h2.schema.SchemaObjectBase

getSchema, getSQL, initSchemaObjectBase, isHidden

从类继承的方法 org.h2.engine.DbObjectBase

getChildren, getComment, getDatabase, getId, getModificationId, getName, initDbObjectBase, invalidate, isTemporary, isValid, rename, 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.engine.DbObject

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

构造器详细资料

Constant

public Constant(Schema schema,
                int id,
                String name)

方法详细资料

getCreateSQLForCopy

public String getCreateSQLForCopy(Table table,
                                  String quotedName)

从接口复制的说明: 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

参数:

table - the new table

quotedName - the quoted name

返回:

the SQL statement

getDropSQL

public String getDropSQL()

从类复制的说明: DbObjectBase

Build a SQL statement to drop this object.

指定者:

getDropSQL 在接口中 DbObject

指定者:

getDropSQL 在类中 DbObjectBase

返回:

the SQL statement

getCreateSQL

public String getCreateSQL()

从类复制的说明: DbObjectBase

Build a SQL statement to re-create this object.

指定者:

getCreateSQL 在接口中 DbObject

指定者:

getCreateSQL 在类中 DbObjectBase

返回:

the SQL statement

getType

public int getType()

从接口复制的说明: DbObject

Get the object type.

返回:

the object type

removeChildrenAndResources

public void removeChildrenAndResources(Session session)

从类复制的说明: DbObjectBase

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

指定者:

removeChildrenAndResources 在接口中 DbObject

指定者:

removeChildrenAndResources 在类中 DbObjectBase

参数:

session - the session

checkRename

public void checkRename()

从类复制的说明: DbObjectBase

Check if this object can be renamed. System objects may not be renamed.

指定者:

checkRename 在接口中 DbObject

指定者:

checkRename 在类中 DbObjectBase

setValue

public void setValue(Value value)

getValue

public ValueExpression getValue()