Started with classes for keeping track of the database schema.

Class to represent the contents of pg_type catalog table.

pgtypecontainer.h

@@ -0,0 +1,37 @@
+#ifndef PGTYPECONTAINER_H
+#define PGTYPECONTAINER_H
+
+#include <vector>
+#include "pgtype.h"
+
+namespace Pgsql {
+
+	class Result;
+
+}
+
+class PgTypeContainer {
+public:
+	using t_Types = std::vector<PgType>; ///< Do not assume it will stay a vector only expect bidirectional access
+
+	PgTypeContainer();
+
+	t_Types::const_iterator begin() const { return m_types.begin(); }
+	t_Types::const_iterator end() const { return m_types.end(); }
+
+	void clear();
+	std::string getLoadQuery();
+	void load(const Pgsql::Result &res);
+
+	/** Searches for the type matching the specified oid.
+	 *
+	 * \return Returns the matching type or if it is not found a default constructed PgType (oid == InvalidOid).
+	 */
+	const PgType& getTypeByOid(Oid oid) const;
+	const PgType& getTypeByName(const QString &name) const;
+private:
+	PgType m_invalidType; ///< default constructed object for when a non existent type is being retrieved.
+	t_Types m_types; // Keep sorted by Oid
+};
+
+#endif // PGTYPECONTAINER_H