51     return current_at_base_ ? BaseValid() : DeltaValid();  in Valid()
97         assert(DeltaValid());  in Next()
99       } else if (!DeltaValid()) {  in Next()
108       if (DeltaValid() && BaseValid()) {  in Next()
133         assert(DeltaValid());  in Prev()
135       } else if (!DeltaValid()) {  in Prev()
144       if (DeltaValid() && BaseValid()) {  in Prev()
200     if (!DeltaValid()) {  in AssertInvariants()
227       assert(BaseValid() && DeltaValid());  in Advance()
235         assert(DeltaValid());  in Advance()
257   bool DeltaValid() const { return delta_iterator_->Valid(); }  in DeltaValid()  function in ROCKSDB_NAMESPACE::BaseDeltaIterator
264       if (DeltaValid()) {  in UpdateCurrent()
281         if (!DeltaValid()) {  in UpdateCurrent()
299       } else if (!DeltaValid()) {  in UpdateCurrent()