Explicitly set qid=nullptr in NativeDataIter

NativeDataIter's callback does not support qid field. Users of NativeDataIter will need to call setGroup() function separately to set group information.
dmlc · Jun 29, 2018 · cc23e04 · cc23e04
1 parent a2e92a0
commit cc23e04
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/c_api/c_api.cc b/src/c_api/c_api.cc
@@ -141,6 +141,8 @@ class NativeDataIter : public dmlc::Parser<uint32_t> {
     block_.offset = dmlc::BeginPtr(offset_);
     block_.label = dmlc::BeginPtr(label_);
     block_.weight = dmlc::BeginPtr(weight_);
+    block_.qid = nullptr;
+    block_.field = nullptr;
     block_.index = dmlc::BeginPtr(index_);
     block_.value = dmlc::BeginPtr(value_);
     bytes_read_ += offset_.size() * sizeof(size_t) +