public Class AsOfSCNClause

Class Inheritance

Imports

Purpose:Wraps an immutable value for a past time, represented as a database system change number.

This should be specified with an Oracle platform supporting flashback, and the value will be written to the SQL FROM clause:

SELECT ... FROM EMPLOYEE AS OF SCN (value) t0, ...

Author: Stephen McRitchie
Since: OracleAS TopLink 10g (10.0.3)
See Also: AsOfClause, org.eclipse.persistence.platform.database.OraclePlatform#getSystemChangeNumberQuery

Field Summary

Access	Constructor and Description
public	AsOfSCNClause(Number systemChangeNumber)
public	AsOfSCNClause(Long systemChangeNumber)
public	AsOfSCNClause(long systemChangeNumber)
public	AsOfSCNClause(Expression expression)

Modifier and Type	Method and Description
public boolean	isAsOfSCNClause() Overrides org.eclipse.persistence.history.AsOfClause.isAsOfSCNClause. PUBLIC:
public void	printSQL(ExpressionSQLPrinter printer) Overrides org.eclipse.persistence.history.AsOfClause.printSQL. INTERNAL: Prints the as of clause for an expression inside of the FROM clause.

Inherited from org.eclipse.persistence.history.AsOfClause:: equals getValue isUniversal toString

AsOfSCNClause	back to summary
public AsOfSCNClause(Number systemChangeNumber)

AsOfSCNClause	back to summary
public AsOfSCNClause(Long systemChangeNumber)

AsOfSCNClause	back to summary
public AsOfSCNClause(long systemChangeNumber)

AsOfSCNClause	back to summary
public AsOfSCNClause(Expression expression)

isAsOfSCNClause	back to summary
public boolean isAsOfSCNClause() Overrides org.eclipse.persistence.history.AsOfClause.isAsOfSCNClause. PUBLIC: Annotations @Override

isAsOfSCNClause

public boolean isAsOfSCNClause()

PUBLIC:

Annotations

printSQL	back to summary
public void printSQL(ExpressionSQLPrinter printer) Overrides org.eclipse.persistence.history.AsOfClause.printSQL. INTERNAL: Prints the as of clause for an expression inside of the FROM clause. Annotations @Override

printSQL

public void printSQL(ExpressionSQLPrinter printer)

INTERNAL: Prints the as of clause for an expression inside of the FROM clause.

Annotations