diff --git a/src/common/KReportData.h b/src/common/KReportData.h
--- a/src/common/KReportData.h
+++ b/src/common/KReportData.h
@@ -38,8 +38,11 @@
     {
     public:
         SortedField();
+        SortedField(const SortedField& other);
         ~SortedField();
         SortedField& operator=(const SortedField &other);
+        bool operator==(const SortedField &other) const;
+        bool operator!=(const SortedField &other) const;
         void setField(const QString &field);
         void setOrder(Qt::SortOrder order);
         QString field() const;
diff --git a/src/common/KReportData.cpp b/src/common/KReportData.cpp
--- a/src/common/KReportData.cpp
+++ b/src/common/KReportData.cpp
@@ -18,10 +18,16 @@
 #include "KReportData.h"
 #include <QVariant>
 
+#define KReportDataSortedFieldPrivateArgs(o) std::tie(o.field, o.order)
+
 class KReportData::SortedField::Private 
 {
     
 public:
+    Private() {}
+    Private(const Private& other) {
+            KReportDataSortedFieldPrivateArgs((*this)) = KReportDataSortedFieldPrivateArgs(other);
+    }
     QString field;
     Qt::SortOrder order = Qt::AscendingOrder;
 };
@@ -35,10 +41,15 @@
 //==========KReportData::SortedField==========
 
 KReportData::SortedField::SortedField()
-    : d(new Private())
+    : d(new Private)
+{
+}
+
+KReportData::SortedField::SortedField(const KReportData::SortedField& other) : d(new Private(*other.d))
 {
 }
 
+
 KReportData::SortedField::~SortedField()
 {
     delete d;
@@ -53,6 +64,16 @@
     return *this;
 }
 
+bool KReportData::SortedField::operator==(const KReportData::SortedField& other) const
+{
+    return KReportDataSortedFieldPrivateArgs((*d)) == KReportDataSortedFieldPrivateArgs((*other.d));
+}
+
+bool KReportData::SortedField::operator!=(const KReportData::SortedField& other) const
+{
+    return KReportDataSortedFieldPrivateArgs((*d)) != KReportDataSortedFieldPrivateArgs((*other.d));
+}
+
 QString KReportData::SortedField::field() const
 {
     return d->field;