[5.6] fix pivot timestamp columns without parent #23917
Merged
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The motivation of this PR is to allow
Pivot
models to be queried and saved just like normalModel
s.Previously, when trying to save pivot models, an error would be thrown because no
pivotParent
existed on the model.This was due to the
getCreatedAtColumn()
andgetUpdatedAtColumn()
methods being called. It erred with "Call to a member function getCreatedAtColumn() on null".This PR makes sure we first check if the
pivotParent
property exists. If it does, we continue to use the pivot parent's methods. However, if it doesn't, we fallback to theModel
s methods.The tests I've added cover both cases of having a
pivotParent
and not having one.