pg_classes can be loaded now, used in TablesTableModel for overview of tables in database.

pglab/PgDatabaseCatalog.h

@@ -0,0 +1,58 @@
+#ifndef PGSQLDATABASECATALOGUE_H
+#define PGSQLDATABASECATALOGUE_H
+
+#include <libpq-fe.h>
+#include <QString>
+#include <memory>
+#include <vector>
+
+namespace Pgsql {
+
+	class Connection;
+
+}
+
+class PgAuthIdContainer;
+class PgClassContainer;
+class PgDatabaseContainer;
+class PgTypeContainer;
+
+class PgDatabaseCatalog: public std::enable_shared_from_this<PgDatabaseCatalog> {
+public:
+	PgDatabaseCatalog();
+	PgDatabaseCatalog(const PgDatabaseCatalog&) = delete;
+	PgDatabaseCatalog& operator = (const PgDatabaseCatalog&) = delete;
+
+	~PgDatabaseCatalog();
+
+
+	void loadAll(Pgsql::Connection &conn);
+	void loadInfo(Pgsql::Connection &conn);
+	void loadTypes(Pgsql::Connection &conn);
+	void loadDatabases(Pgsql::Connection &conn);
+	void loadAuthIds(Pgsql::Connection &conn);
+	void loadClasses(Pgsql::Connection &conn);
+
+	const QString& serverVersionString() const;
+	int serverVersion() const;
+
+	std::shared_ptr<const PgTypeContainer> types() const;
+	std::shared_ptr<const PgDatabaseContainer> databases() const;
+	std::shared_ptr<const PgAuthIdContainer> authIds() const;
+	std::shared_ptr<const PgClassContainer> classes() const;
+private:
+	QString m_serverVersionString;
+	int m_serverVersion;
+	std::shared_ptr<PgTypeContainer> m_types;
+	std::shared_ptr<PgDatabaseContainer> m_databases;
+	std::shared_ptr<PgAuthIdContainer> m_authIds;
+	std::shared_ptr<PgClassContainer> m_classes;
+};
+
+QString getRoleNameFromOid(const PgDatabaseCatalog &cat, Oid oid);
+QString getRoleDisplayString(const PgDatabaseCatalog &cat, Oid oid);
+QString getNamespaceDisplayString(const PgDatabaseCatalog &cat, Oid oid);
+QString getTablespaceDisplayString(const PgDatabaseCatalog &cat, Oid oid);
+
+
+#endif // PGSQLDATABASECATALOGUE_H