diff --git a/include/queryosity/column_equation.h b/include/queryosity/column_equation.h
index 46a085e..e9a9090 100644
--- a/include/queryosity/column_equation.h
+++ b/include/queryosity/column_equation.h
@@ -21,7 +21,12 @@ class equation<Out(Ins...)> : public definition<Out(Ins...)> {
   virtual ~equation() = default;
 
 public:
-  virtual Out evaluate(observable<Ins>... args) const override;
+  virtual Out evaluate(observable<Ins>... args) const final override;
+
+  virtual void initialize(unsigned int slot, unsigned long long begin,
+                          unsigned long long end) final override;
+  virtual void execute(unsigned int slot, unsigned long long entry) final override;
+  virtual void finalize(unsigned int slot) final override;
 
 protected:
   function_type m_evaluate;
@@ -39,4 +44,20 @@ template <typename Out, typename... Ins>
 Out queryosity::column::equation<Out(Ins...)>::evaluate(
     observable<Ins>... args) const {
   return this->m_evaluate(args.value()...);
+}
+
+template <typename Out, typename... Ins>
+void queryosity::column::equation<Out(Ins...)>::initialize(unsigned int slot, unsigned long long begin,
+                                               unsigned long long end) {
+  calculation<Out>::initialize(slot, begin, end);
+                                               }
+
+template <typename Out, typename... Ins>
+void queryosity::column::equation<Out(Ins...)>::execute(unsigned int slot, unsigned long long entry) {
+  calculation<Out>::execute(slot, entry);
+}
+
+template <typename Out, typename... Ins>
+void queryosity::column::equation<Out(Ins...)>::finalize(unsigned int slot) {
+  calculation<Out>::finalize(slot);
 }
\ No newline at end of file
diff --git a/include/queryosity/column_fixed.h b/include/queryosity/column_fixed.h
index 8eb9889..61164b4 100644
--- a/include/queryosity/column_fixed.h
+++ b/include/queryosity/column_fixed.h
@@ -14,7 +14,12 @@ template <typename Val> class column::fixed : public valued<Val> {
   template <typename... Args> fixed(Args &&...args);
   virtual ~fixed() = default;
 
-  const Val &value() const override;
+  const Val &value() const final override;
+
+  virtual void initialize(unsigned int slot, unsigned long long begin,
+                          unsigned long long end) final override;
+  virtual void execute(unsigned int slot, unsigned long long entry) final override;
+  virtual void finalize(unsigned int slot) final override;
 
 protected:
   Val m_value;
@@ -33,4 +38,20 @@ queryosity::column::fixed<Val>::fixed(Args &&...args)
 template <typename Val>
 const Val &queryosity::column::fixed<Val>::value() const {
   return m_value;
+}
+
+template <typename Val>
+void queryosity::column::fixed<Val>::initialize(unsigned int slot, unsigned long long begin,
+                                               unsigned long long end) {
+  valued<Val>::initialize(slot, begin, end);
+                                               }
+
+template <typename Val>
+void queryosity::column::fixed<Val>::execute(unsigned int slot, unsigned long long entry) {
+  valued<Val>::execute(slot, entry);
+}
+
+template <typename Val>
+void queryosity::column::fixed<Val>::finalize(unsigned int slot) {
+  valued<Val>::finalize(slot);
 }
\ No newline at end of file
diff --git a/include/queryosity/query_series.h b/include/queryosity/query_series.h
index f375f1b..569f320 100644
--- a/include/queryosity/query_series.h
+++ b/include/queryosity/query_series.h
@@ -17,11 +17,11 @@ template <typename T> class series : public queryosity::query::definition<std::v
     series() = default;
     ~series() = default;
 
-    virtual void initialize(unsigned int, unsigned long long, unsigned long long) override;
-    virtual void fill(column::observable<T>, double) override;
-    virtual void finalize(unsigned int) override;
-    virtual std::vector<T> result() const override;
-    virtual std::vector<T> merge(std::vector<std::vector<T>> const &results) const override;
+    virtual void initialize(unsigned int, unsigned long long, unsigned long long) final override;
+    virtual void fill(column::observable<T>, double) final override;
+    virtual void finalize(unsigned int) final override;
+    virtual std::vector<T> result() const final override;
+    virtual std::vector<T> merge(std::vector<std::vector<T>> const &results) const final override;
 
   protected:
     std::vector<T> m_result;
diff --git a/include/queryosity/selection.h b/include/queryosity/selection.h
index 16dcf9e..a7a89a6 100644
--- a/include/queryosity/selection.h
+++ b/include/queryosity/selection.h
@@ -41,6 +41,11 @@ class node : public column::calculation<double> {
   virtual bool passed_cut() const = 0;
   virtual double get_weight() const = 0;
 
+  virtual void initialize(unsigned int slot, unsigned long long begin,
+                          unsigned long long end) final override;
+  virtual void execute(unsigned int slot, unsigned long long entry) final override;
+  virtual void finalize(unsigned int slot) final override;
+
 protected:
   const selection::node *const m_preselection;
   column::variable<double> m_decision;
@@ -75,4 +80,17 @@ inline bool queryosity::selection::node::is_initial() const noexcept {
 inline const queryosity::selection::node *
 queryosity::selection::node::get_previous() const noexcept {
   return m_preselection;
+}
+
+inline void queryosity::selection::node::initialize(unsigned int slot, unsigned long long begin,
+                                               unsigned long long end) {
+  column::calculation<double>::initialize(slot, begin, end);
+                                               }
+
+inline void queryosity::selection::node::execute(unsigned int slot, unsigned long long entry) {
+  column::calculation<double>::execute(slot, entry);
+}
+
+inline void queryosity::selection::node::finalize(unsigned int slot) {
+  column::calculation<double>::finalize(slot);
 }
\ No newline at end of file
diff --git a/include/queryosity/selection_cut.h b/include/queryosity/selection_cut.h
index d341691..6b84175 100644
--- a/include/queryosity/selection_cut.h
+++ b/include/queryosity/selection_cut.h
@@ -11,9 +11,9 @@ class selection::cut : public selection::node {
   virtual ~cut() = default;
 
 public:
-  virtual double calculate() const override;
-  virtual bool passed_cut() const override;
-  virtual double get_weight() const override;
+  virtual double calculate() const final override;
+  virtual bool passed_cut() const final override;
+  virtual double get_weight() const final override;
 };
 
 } // namespace queryosity
diff --git a/include/queryosity/selection_weight.h b/include/queryosity/selection_weight.h
index 7aca42a..84c5e79 100644
--- a/include/queryosity/selection_weight.h
+++ b/include/queryosity/selection_weight.h
@@ -14,9 +14,9 @@ class selection::weight : public selection::node {
   virtual ~weight() = default;
 
 public:
-  virtual double calculate() const override;
-  virtual bool passed_cut() const override;
-  virtual double get_weight() const override;
+  virtual double calculate() const final override;
+  virtual bool passed_cut() const final override;
+  virtual double get_weight() const final override;
 };
 
 } // namespace queryosity
diff --git a/include/queryosity/selection_yield.h b/include/queryosity/selection_yield.h
index a89291a..8258d22 100644
--- a/include/queryosity/selection_yield.h
+++ b/include/queryosity/selection_yield.h
@@ -27,10 +27,10 @@ class counter : public query::aggregation<count_t> {
   counter() = default;
   virtual ~counter() = default;
 
-  virtual void count(double w) override;
-  virtual count_t result() const override;
-  virtual void finalize(unsigned int) override;
-  virtual count_t merge(std::vector<count_t> const &results) const override;
+  virtual void count(double w) final override;
+  virtual count_t result() const final override;
+  virtual void finalize(unsigned int) final override;
+  virtual count_t merge(std::vector<count_t> const &results) const final override;
 
 protected:
   count_t m_cnt;