7 files changed, 7 insertions, 21 deletions
diff --git a/project2/common/columns.h b/project2/common/columns.h
index bc62447..d3e2c97 100644
--- a/project2/common/columns.h
+++ b/project2/common/columns.h
@@ -10,6 +10,7 @@ class Column : public IntrusivePtrBase {
 	public:
 		Column(unsigned int idx, ScriptNodePtr p);
 		Column(unsigned int i, const Glib::ustring & n, const Variable & v = Variable(Null()));
+		virtual ~Column() = default;
 
 		static Column * make(unsigned int idx, ScriptNodePtr p);
 
@@ -21,7 +22,8 @@ class Column : public IntrusivePtrBase {
 
 struct byColIdx {};
 struct byColName {};
-typedef boost::multi_index::multi_index_container<boost::intrusive_ptr<Column>,
+typedef boost::intrusive_ptr<Column> ColumnPtr;
+typedef boost::multi_index::multi_index_container<ColumnPtr,
 				boost::multi_index::indexed_by<
 				boost::multi_index::ordered_unique<
 				boost::multi_index::tag<byColName>, BOOST_MULTI_INDEX_MEMBER(Column, const std::string, key)>,
diff --git a/project2/common/rowSet.cpp b/project2/common/rowSet.cpp
index 6ec2f94..702aec1 100644
--- a/project2/common/rowSet.cpp
+++ b/project2/common/rowSet.cpp
@@ -13,19 +13,11 @@ RowSet::RowSet(ScriptNodePtr p) :
 {
 }
 
-RowSet::~RowSet()
-{
-}
-
 RowState::RowState() :
 	rowNum(0)
 {
 }
 
-RowState::~RowState()
-{
-}
-
 void
 RowState::process(const RowProcessorCallback & rp, bool r)
 {
diff --git a/project2/common/rowSet.h b/project2/common/rowSet.h
index 50dd3fd..e6793c5 100644
--- a/project2/common/rowSet.h
+++ b/project2/common/rowSet.h
@@ -24,7 +24,7 @@ class RowSet : public SourceObject {
 		SimpleNumericException(FieldOutOfRange);
 
 		RowSet(ScriptNodePtr);
-		virtual ~RowSet() = 0;
+		virtual ~RowSet() = default;
 
 		virtual void execute(const Glib::ustring &, const RowProcessorCallback &, ExecContext *) const = 0;
 };
@@ -32,7 +32,7 @@ class RowSet : public SourceObject {
 class RowState {
 	public:
 		RowState();
-		virtual ~RowState();
+		virtual ~RowState() = default;
 
 		typedef boost::function0<VariableType> RowAttribute;
 		typedef boost::function3<void, unsigned int, const Glib::ustring &, const VariableType &> ColumnAction;
diff --git a/project2/common/sourceObject.cpp b/project2/common/sourceObject.cpp
index aa81d01..6ddec89 100644
--- a/project2/common/sourceObject.cpp
+++ b/project2/common/sourceObject.cpp
@@ -23,10 +23,6 @@ SourceObject::SourceObject(const std::string & n) :
 {
 }
 
-SourceObject::~SourceObject()
-{
-}
-
 void
 SourceObject::loadComplete(const CommonObjects *)
 {
diff --git a/project2/common/sourceObject.h b/project2/common/sourceObject.h
index 935cead..1af9ceb 100644
--- a/project2/common/sourceObject.h
+++ b/project2/common/sourceObject.h
@@ -23,7 +23,7 @@ class SourceObject : public virtual IntrusivePtrBase {
 
 		SourceObject(ScriptNodePtr p);
 		SourceObject(const std::string & name);
-		virtual ~SourceObject() = 0;
+		virtual ~SourceObject() = default;
 
 		virtual void loadComplete(const CommonObjects *);
 
diff --git a/project2/common/variables.cpp b/project2/common/variables.cpp
index a2a9004..eb36d7a 100644
--- a/project2/common/variables.cpp
+++ b/project2/common/variables.cpp
@@ -100,10 +100,6 @@ Variable::Variable(VariableImpl * v) :
 {
 }
 
-VariableImpl::~VariableImpl()
-{
-}
-
 Variable &
 Variable::operator=(const VariableType & vt)
 {
diff --git a/project2/common/variables.h b/project2/common/variables.h
index e0f1e00..cee9037 100644
--- a/project2/common/variables.h
+++ b/project2/common/variables.h
@@ -20,7 +20,7 @@ class VariableImpl : public IntrusivePtrBase {
 		virtual VariableType value(ExecContext *) const = 0;
 
 	protected:
-		virtual ~VariableImpl() = 0;
+		virtual ~VariableImpl() = default;
 };
 
 class Variable {