Hi there,
I have two classes with the same fields (both use a Key field) and I
want to copy all the data from one to another:
@PersistenceCapable(identityType = IdentityType.APPLICATION)
public class SomeEntity {
@PrimaryKey
@Persistent(nullValue = NullValue.EXCEPTION)
private Key key;
(...)
}
and
@PersistenceCapable(identityType = IdentityType.APPLICATION)
public class SomeEntityTemporal {
@PrimaryKey
@Persistent(nullValue = NullValue.EXCEPTION)
private Key key;
(...)
}
In MySQL I'll do something like:
CREATE TABLE sometable_tmp SELECT * FROM sometable
or similar.
Which is the best way to do this with JDO in AppEngine?
TIA,
Vicente
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