/**
* restore the before image of the page
*
* @exception StandardException Standard Derby Error Policy
* @exception IOException problem reading the complete log record from the input stream
*/
public void restoreMe(
Transaction xact, BasePage undoPage, LogInstant CLRInstant, LimitObjectInput in)
throws StandardException, IOException {
int slot = undoPage.findRecordById(recordId, Page.FIRST_SLOT_NUMBER);
if (SanityManager.DEBUG) {
if (!getPageId().equals(undoPage.getPageId()))
SanityManager.THROWASSERT(
"restoreMe cannot restore to a different page. "
+ "doMe page:"
+ getPageId()
+ " undoPage:"
+ undoPage.getPageId());
if (slot != doMeSlot)
SanityManager.THROWASSERT(
"restoreMe cannot restore to a different slot. "
+ "doMe slot:"
+ doMeSlot
+ " undoMe slot: "
+ slot
+ " recordId:"
+ recordId);
}
undoPage.skipField(in); // skip the after image of the column
undoPage.storeField(CLRInstant, slot, fieldId, in);
undoPage.setAuxObject(null);
}
