oracle.toplink.history
Class AsOfSCNClause
java.lang.Object
oracle.toplink.history.AsOfClause
oracle.toplink.history.AsOfSCNClause
- All Implemented Interfaces:
- java.io.Serializable
public class AsOfSCNClause
- extends AsOfClause
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, ...
- Since:
- OracleAS TopLink 10g (10.0.3)
- See Also:
AsOfClause
,
oracle.toplink.internal.databaseaccess.OraclePlatform#getSystemChangeNumberQuery
,
Serialized Form
Methods inherited from class java.lang.Object |
getClass, hashCode, notify, notifyAll, wait, wait, wait |
AsOfSCNClause
public AsOfSCNClause(java.lang.Number systemChangeNumber)
AsOfSCNClause
public AsOfSCNClause(java.lang.Long systemChangeNumber)
AsOfSCNClause
public AsOfSCNClause(long systemChangeNumber)
AsOfSCNClause
public AsOfSCNClause(Expression expression)
isAsOfSCNClause
public boolean isAsOfSCNClause()
-
- Overrides:
isAsOfSCNClause
in class AsOfClause
- See Also:
AsOfSCNClause