ViewRowSetIteratorImpl: which condition sets mRefreshNeeded to true?

Hi,
I have a view containing some rows. Checking a specific key to not found, i create the row with this key and insert into the view.
Looping through the view later on causes oracle.jbo.TooManyObjectsException: JBO-25013: Too many objects match the primar
y key oracle.jbo.Key
All indications are that the row existed in the cache and someone else created the same row before commit. The iterator found itself to be inconsistent with the DB and tried to create the EO.
Is this true?
My worry is that there are DB hits that i dont know about. I cannot have Iterators/Views doing queries on the DB without knowing about each one.
Any Ideas?
The full stack:
at oracle.jbo.server.EntityCache.add(EntityCache.java:579)
at oracle.jbo.server.ViewRowStorage.entityCacheAdd(ViewRowStorage.java:1
710)
at oracle.jbo.server.ViewRowImpl.entityCacheAdd(ViewRowImpl.java:2136)
at oracle.jbo.server.ViewDefImpl.createInstanceFromResultSet(ViewDefImpl
.java:1037)
at oracle.jbo.server.ViewObjectImpl.createRowFromResultSet(ViewObjectImp
l.java:2746)
at oracle.jbo.server.ViewObjectImpl.createInstanceFromResultSet(ViewObje
ctImpl.java:2649)
at oracle.jbo.server.QueryCollection.populateRow(QueryCollection.java:18
71)
at oracle.jbo.server.QueryCollection.fetch(QueryCollection.java:1772)
at oracle.jbo.server.QueryCollection.get(QueryCollection.java:1240)
at oracle.jbo.server.ViewRowSetImpl.getRow(ViewRowSetImpl.java:3202)
at oracle.jbo.server.ViewRowSetIteratorImpl.doFetch(ViewRowSetIteratorIm
pl.java:2754)
at oracle.jbo.server.ViewRowSetIteratorImpl.ensureRefreshed(ViewRowSetIt
eratorImpl.java:2610)
at oracle.jbo.server.ViewRowSetIteratorImpl.hasNext(ViewRowSetIteratorIm
pl.java:1741)
at oracle.jbo.server.ViewRowSetImpl.hasNext(ViewRowSetImpl.java:2648)
at oracle.jbo.server.ViewObjectImpl.hasNext(ViewObjectImpl.java:5446)

Hi edna,
For your specific question, where you are checking the value in a cell which can contain only TRUE or FALSE, the IF statement can be simplified:
=IF(C519,AN519*0.5, 0)
Regarding your second question: "is it possible for a row to compare different values in the row (eg. a date/time) and utilise the largest value?"
MAX(range of cells) will return the largest value in the range of cells.
Example:
=MAX(A2:A20)
will return the most recent Date and Time value in the list of Date and Time values in cells A2 to A20.
One caution when working with Dates or Times (of day): All cells displaying a Date or a Time contain a Date and Time value.
If the value was entered as a Date, the Time part will be midnight at the beginning of that day (00:00:00).
If the value was entered as a Time, the Date part will be the Date on which the value was entered.
Not being aware of this can lead to some unexpected results when calculations are done with dates or times.
Regards,
Barry

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