53     for (auto& child : children_) {  in MergingIterator()  local
54       AddToMinHeapOrCheckStatus(&child);  in MergingIterator()
79     for (auto& child : children_) {  in ~MergingIterator()  local
80       child.DeleteIter(is_arena_mode_);  in ~MergingIterator()
91     for (auto& child : children_) {  in SeekToFirst()  local
92       child.SeekToFirst();  in SeekToFirst()
93       AddToMinHeapOrCheckStatus(&child);  in SeekToFirst()
103     for (auto& child : children_) {  in SeekToLast()  local
104       child.SeekToLast();  in SeekToLast()
105       AddToMaxHeapOrCheckStatus(&child);  in SeekToLast()
114     for (auto& child : children_) {  in Seek()  local
117         child.Seek(target);  in Seek()
125         AddToMinHeapOrCheckStatus(&child);  in Seek()
140     for (auto& child : children_) {  in SeekForPrev()  local
143         child.SeekForPrev(target);  in SeekForPrev()
149         AddToMaxHeapOrCheckStatus(&child);  in SeekForPrev()
259     for (auto& child : children_) {  in SetPinnedItersMgr()  local
260       child.SetPinnedItersMgr(pinned_iters_mgr);  in SetPinnedItersMgr()
333 void MergingIterator::AddToMinHeapOrCheckStatus(IteratorWrapper* child) {  in AddToMinHeapOrCheckStatus()  argument
334   if (child->Valid()) {  in AddToMinHeapOrCheckStatus()
335     assert(child->status().ok());  in AddToMinHeapOrCheckStatus()
336     minHeap_.push(child);  in AddToMinHeapOrCheckStatus()
338     considerStatus(child->status());  in AddToMinHeapOrCheckStatus()
342 void MergingIterator::AddToMaxHeapOrCheckStatus(IteratorWrapper* child) {  in AddToMaxHeapOrCheckStatus()  argument
343   if (child->Valid()) {  in AddToMaxHeapOrCheckStatus()
344     assert(child->status().ok());  in AddToMaxHeapOrCheckStatus()
345     maxHeap_->push(child);  in AddToMaxHeapOrCheckStatus()
347     considerStatus(child->status());  in AddToMaxHeapOrCheckStatus()
356   for (auto& child : children_) {  in SwitchToForward()  local
357     if (&child != current_) {  in SwitchToForward()
358       child.Seek(target);  in SwitchToForward()
359       if (child.Valid() && comparator_->Equal(target, child.key())) {  in SwitchToForward()
360         assert(child.status().ok());  in SwitchToForward()
361         child.Next();  in SwitchToForward()
364     AddToMinHeapOrCheckStatus(&child);  in SwitchToForward()
373   for (auto& child : children_) {  in SwitchToBackward()  local
374     if (&child != current_) {  in SwitchToBackward()
375       child.SeekForPrev(target);  in SwitchToBackward()
376       TEST_SYNC_POINT_CALLBACK("MergeIterator::Prev:BeforePrev", &child);  in SwitchToBackward()
377       if (child.Valid() && comparator_->Equal(target, child.key())) {  in SwitchToBackward()
378         assert(child.status().ok());  in SwitchToBackward()
379         child.Prev();  in SwitchToBackward()
382     AddToMaxHeapOrCheckStatus(&child);  in SwitchToBackward()