Class Constant

java.lang.Object

org.h2.engine.DbObject

org.h2.schema.SchemaObject

org.h2.schema.Constant

All Implemented Interfaces:

HasSQL

public final class Constant
extends SchemaObject

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

Field Summary

Fields

Modifier and Type	Field	Description
private ValueExpression	expression
private Value	value

Fields inherited from class DbObject

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

Fields inherited from interface HasSQL

ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

Constructor Summary

Constructors

Constructor	Description
Constant(Schema schema, int id, String name)

Method Summary

Modifier and Type	Method	Description
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
int	getType()	Get the object type.
ValueExpression	getValue()
void	removeChildrenAndResources(SessionLocal session)	Delete all dependent children objects and resources of this object.
void	setValue(Value value)

Methods inherited from class SchemaObject

getSchema, getSQL, getSQL, isHidden

Methods inherited from class DbObject

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

Methods inherited from class Object

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

Methods inherited from interface HasSQL

getTraceSQL

Field Details

value

private Value value

expression

private ValueExpression expression

Constructor Details

Constant

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

Method Details

getCreateSQLForCopy

public String getCreateSQLForCopy(Table table,
 String quotedName)

Description copied from class: 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

Specified by:

getCreateSQLForCopy in class DbObject

Parameters:

table - the new table

quotedName - the quoted name

Returns:

the SQL statement

getCreateSQL

public String getCreateSQL()

Description copied from class: DbObject

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

Specified by:

getCreateSQL in class DbObject

Returns:

the SQL statement

getType

public int getType()

Description copied from class: DbObject

Get the object type.

Specified by:

getType in class DbObject

Returns:

the object type

removeChildrenAndResources

public void removeChildrenAndResources(SessionLocal session)

Description copied from class: DbObject

Delete all dependent children objects and resources of this object.

Specified by:

removeChildrenAndResources in class DbObject

Parameters:

session - the session

setValue

public void setValue(Value value)

getValue

public ValueExpression getValue()