58       valid_(false),  in DBIter()
95     if (valid_) {  in GetProperty()
111     valid_ = false;  in ParseKey()
121   assert(valid_);  in Next()
158     valid_ = false;  in Next()
160   if (statistics_ != nullptr && valid_) {  in Next()
280               valid_ = true;  in FindNextUserEntryInternal()
298                 valid_ = true;  in FindNextUserEntryInternal()
327                   valid_ = false;  in FindNextUserEntryInternal()
332                 valid_ = true;  in FindNextUserEntryInternal()
335                 valid_ = true;  in FindNextUserEntryInternal()
356               valid_ = true;  in FindNextUserEntryInternal()
441   valid_ = false;  in FindNextUserEntryInternal()
455     valid_ = false;  in MergeValuesNewToOld()
493         valid_ = false;  in MergeValuesNewToOld()
500         valid_ = false;  in MergeValuesNewToOld()
520       valid_ = false;  in MergeValuesNewToOld()
528     valid_ = false;  in MergeValuesNewToOld()
541     valid_ = false;  in MergeValuesNewToOld()
552     valid_ = false;  in Prev()
558   assert(valid_);  in Prev()
581     if (valid_) {  in Prev()
615     valid_ = false;  in ReverseToForward()
667       valid_ = false;  in PrevInternal()
678       valid_ = false;  in PrevInternal()
692     if (valid_) {  in PrevInternal()
703   valid_ = false;  in PrevInternal()
803     valid_ = false;  in FindValueForCurrentKey()
813       valid_ = false;  in FindValueForCurrentKey()
834         valid_ = false;  in FindValueForCurrentKey()
853         valid_ = false;  in FindValueForCurrentKey()
863     valid_ = false;  in FindValueForCurrentKey()
867   valid_ = true;  in FindValueForCurrentKey()
891       valid_ = false;  in FindValueForCurrentKeyUsingSeek()
909       valid_ = false;  in FindValueForCurrentKeyUsingSeek()
923     valid_ = false;  in FindValueForCurrentKeyUsingSeek()
931     valid_ = false;  in FindValueForCurrentKeyUsingSeek()
938     valid_ = true;  in FindValueForCurrentKeyUsingSeek()
954         valid_ = false;  in FindValueForCurrentKeyUsingSeek()
977         valid_ = false;  in FindValueForCurrentKeyUsingSeek()
981       valid_ = true;  in FindValueForCurrentKeyUsingSeek()
997       valid_ = false;  in FindValueForCurrentKeyUsingSeek()
1009     valid_ = false;  in FindValueForCurrentKeyUsingSeek()
1029   valid_ = true;  in FindValueForCurrentKeyUsingSeek()
1085     valid_ = false;  in FindUserKeyBeforeSavedKey()
1095     valid_ = false;  in TooManyInternalKeysSkipped()
1177     valid_ = false;  in Seek()
1192     if (valid_) {  in Seek()
1200   if (!valid_) {  in Seek()
1224     valid_ = false;  in SeekForPrev()
1243     valid_ = false;  in SeekForPrev()
1258     if (valid_) {  in SeekForPrev()
1268   if (statistics_ != nullptr && valid_) {  in SeekForPrev()
1307       if (valid_) {  in SeekToFirst()
1314     valid_ = false;  in SeekToFirst()
1316   if (valid_ && prefix_same_as_start_) {  in SeekToFirst()
1324     valid_ = false;  in SeekToLast()
1361     if (valid_) {  in SeekToLast()
1367   if (valid_ && prefix_same_as_start_) {  in SeekToLast()