diff --git a/.gitignore b/.gitignore
index f6b7c07..b0a43a1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ build/*
 .kdev4/*
 
 DIST/
+*.autosave
diff --git a/pglab/NamespaceFilterWidget.cpp b/pglab/NamespaceFilterWidget.cpp
index 848d1e5..79f8d88 100644
--- a/pglab/NamespaceFilterWidget.cpp
+++ b/pglab/NamespaceFilterWidget.cpp
@@ -25,8 +25,9 @@ void NamespaceFilterWidget::init(std::shared_ptr<const PgNamespaceContainer> nsc
 	ui->treeView->expandAll();
 }
 
-std::set<Oid> NamespaceFilterWidget::getCheckedNamespaces() const
+
+const NamespaceItemModel* NamespaceFilterWidget::getModel() const
 {
-	return m_namespaceItemModel->getCheckedNamespaces();
+	return m_namespaceItemModel;
 }
 
diff --git a/pglab/NamespaceFilterWidget.h b/pglab/NamespaceFilterWidget.h
index bc73f22..ee2abd6 100644
--- a/pglab/NamespaceFilterWidget.h
+++ b/pglab/NamespaceFilterWidget.h
@@ -1,6 +1,7 @@
 #ifndef NAMESPACEFILTERWIDGET_H
 #define NAMESPACEFILTERWIDGET_H
 
+#include "Pgsql_Declare.h"
 #include <QWidget>
 #include <memory>
 #include <set>
@@ -22,7 +23,7 @@ public:
 
 	void init(std::shared_ptr<const PgNamespaceContainer> nsc);
 
-	std::set<Oid> getCheckedNamespaces() const;
+	const NamespaceItemModel* getModel() const;
 
 //signals:
 //	void onFilterChange();
diff --git a/pglab/NamespaceItemModel.h b/pglab/NamespaceItemModel.h
index 81515dc..fbf69d2 100644
--- a/pglab/NamespaceItemModel.h
+++ b/pglab/NamespaceItemModel.h
@@ -4,6 +4,7 @@
 #include <QAbstractItemModel>
 #include "PgNamespace.h"
 #include <vector>
+#include <iterator>
 
 class PgNamespaceContainer;
 
@@ -23,22 +24,15 @@ public:
 	virtual bool setData(const QModelIndex &index, const QVariant &value, int role) override;
 	virtual Qt::ItemFlags flags(const QModelIndex &index) const override;
 
-	//std::set<Oid> getCheckedNamespaces() const;
-
+	template <typename I>
+	void getCheckedNamespaces(I inserter) const
+	{
+		for (auto g : groups)
+			for (auto l : g->leaves)
+				if (l->checked)
+					inserter = l->ns.oid;
+	}
 private:
-//	using NsVec = std::vector<PgNamespace>;
-
-//	class Group {
-//	public:
-//		QString name;
-//		NsVec namespaces;
-//	};
-//	using GrpVec = std::vector<Group>;
-
-//	//std::shared_ptr<const PgNamespaceContainer> m_namespaces;
-//	GrpVec groups;
-
-
 	class Node {
 	public: