wip: codegenerator, basic widget present for showing the generated code and specifying

parameters. Some code is also generated but it is not complete yet.

minimum still required
- field assignments
- properly format and escape the query string

pglab/QueryResultModel.h

@@ -19,6 +19,7 @@ public:
 	virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
 //	virtual Qt::ItemFlags flags(const QModelIndex &index) const override;
 
+	std::shared_ptr<const Pgsql::Result> GetPgsqlResult() const { return result; }
 protected:
 //	virtual Oid getType(int column) const override;
 //	virtual QVariant getData(const QModelIndex &index) const override;