[DF] Fix contiguousness check, take #2

pcanal · Jun 7, 2020 · f045581 · f045581
1 parent 78cc87c
commit f045581
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tree/dataframe/inc/ROOT/RDF/RColumnValue.hxx b/tree/dataframe/inc/ROOT/RDF/RColumnValue.hxx
@@ -187,7 +187,7 @@ public:
             // We can decide since the array is long enough
             fStorageType = EStorageType::kContiguous;
             for (auto i = 0u; i < arrSize - 1; ++i) {
-               if ((char *)&readerArray[i + 1] - (char *)&readerArray[i] != sizeof(T)) {
+               if ((char *)&readerArray[i + 1] - (char *)&readerArray[i] != sizeof(typename U::value_type)) {
                   fStorageType = EStorageType::kSparse;
                   break;
                }