[ntuple] remove RColumnGroupDescriptor(Builder)

hageboeck · Sep 24, 2024 · 0550ae7 · 0550ae7
1 parent 02cd078
commit 0550ae7
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diff --git a/tree/ntuple/v7/inc/ROOT/RNTupleDescriptor.hxx b/tree/ntuple/v7/inc/ROOT/RNTupleDescriptor.hxx
@@ -53,7 +53,6 @@ class RColumnElementBase;
 
 namespace Internal {
 class RColumnDescriptorBuilder;
-class RColumnGroupDescriptorBuilder;
 class RClusterDescriptorBuilder;
 class RClusterGroupDescriptorBuilder;
 class RExtraTypeInfoDescriptorBuilder;
@@ -200,41 +199,6 @@ public:
    bool IsSuppressedDeferredColumn() const { return fFirstElementIndex < 0; }
 };
 
-// clang-format off
-/**
-\class ROOT::Experimental::RColumnGroupDescriptor
-\ingroup NTuple
-\brief Meta-data for a sets of columns; non-trivial column groups are used for sharded clusters
-
-Clusters can span a subset of columns. Such subsets are described as a column group. An empty column group
-is used to denote the column group of all the columns. Every ntuple has at least one column group.
-*/
-// clang-format on
-class RColumnGroupDescriptor {
-   friend class Internal::RColumnGroupDescriptorBuilder;
-
-private:
-   DescriptorId_t fColumnGroupId = kInvalidDescriptorId;
-   std::unordered_set<DescriptorId_t> fPhysicalColumnIds;
-
-public:
-   RColumnGroupDescriptor() = default;
-   RColumnGroupDescriptor(const RColumnGroupDescriptor &other) = delete;
-   RColumnGroupDescriptor &operator=(const RColumnGroupDescriptor &other) = delete;
-   RColumnGroupDescriptor(RColumnGroupDescriptor &&other) = default;
-   RColumnGroupDescriptor &operator=(RColumnGroupDescriptor &&other) = default;
-
-   bool operator==(const RColumnGroupDescriptor &other) const;
-
-   DescriptorId_t GetId() const { return fColumnGroupId; }
-   const std::unordered_set<DescriptorId_t> &GetPhysicalColumnIds() const { return fPhysicalColumnIds; }
-   bool Contains(DescriptorId_t physicalId) const
-   {
-      return fPhysicalColumnIds.empty() || fPhysicalColumnIds.count(physicalId) > 0;
-   }
-   bool HasAllColumns() const { return fPhysicalColumnIds.empty(); }
-};
-
 // clang-format off
 /**
 \class ROOT::Experimental::RClusterDescriptor
@@ -1318,30 +1282,6 @@ public:
    RResult<RClusterGroupDescriptor> MoveDescriptor();
 };
 
-// clang-format off
-/**
-\class ROOT::Experimental::Internal::RColumnGroupDescriptorBuilder
-\ingroup NTuple
-\brief A helper class for piece-wise construction of an RColumnGroupDescriptor
-*/
-// clang-format on
-class RColumnGroupDescriptorBuilder {
-private:
-   RColumnGroupDescriptor fColumnGroup;
-
-public:
-   RColumnGroupDescriptorBuilder() = default;
-
-   RColumnGroupDescriptorBuilder &ColumnGroupId(DescriptorId_t columnGroupId)
-   {
-      fColumnGroup.fColumnGroupId = columnGroupId;
-      return *this;
-   }
-   void AddColumn(DescriptorId_t physicalId) { fColumnGroup.fPhysicalColumnIds.insert(physicalId); }
-
-   RResult<RColumnGroupDescriptor> MoveDescriptor();
-};
-
 // clang-format off
 /**
 \class ROOT::Experimental::Internal::RExtraTypeInfoDescriptorBuilder

diff --git a/tree/ntuple/v7/src/RNTupleDescriptor.cxx b/tree/ntuple/v7/src/RNTupleDescriptor.cxx
@@ -534,13 +534,6 @@ std::unique_ptr<ROOT::Experimental::RNTupleDescriptor> ROOT::Experimental::RNTup
 
 ////////////////////////////////////////////////////////////////////////////////
 
-bool ROOT::Experimental::RColumnGroupDescriptor::operator==(const RColumnGroupDescriptor &other) const
-{
-   return fColumnGroupId == other.fColumnGroupId && fPhysicalColumnIds == other.fPhysicalColumnIds;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
 bool ROOT::Experimental::RClusterGroupDescriptor::operator==(const RClusterGroupDescriptor &other) const
 {
    return fClusterGroupId == other.fClusterGroupId && fClusterIds == other.fClusterIds &&
@@ -745,18 +738,6 @@ ROOT::Experimental::Internal::RClusterGroupDescriptorBuilder::MoveDescriptor()
 
 ////////////////////////////////////////////////////////////////////////////////
 
-ROOT::Experimental::RResult<ROOT::Experimental::RColumnGroupDescriptor>
-ROOT::Experimental::Internal::RColumnGroupDescriptorBuilder::MoveDescriptor()
-{
-   if (fColumnGroup.fColumnGroupId == kInvalidDescriptorId)
-      return R__FAIL("unset column group ID");
-   RColumnGroupDescriptor result;
-   std::swap(result, fColumnGroup);
-   return result;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
 ROOT::Experimental::RResult<ROOT::Experimental::RExtraTypeInfoDescriptor>
 ROOT::Experimental::Internal::RExtraTypeInfoDescriptorBuilder::MoveDescriptor()
 {