Switching to linux for development of pglab.

Switched from qmake to cmake. Code changes to make it compile.

pglab/PgsqlDatabaseCatalogue.h

@@ -0,0 +1,49 @@
+#ifndef PGSQLDATABASECATALOGUE_H
+#define PGSQLDATABASECATALOGUE_H
+
+#include <pgsql/libpq-fe.h>
+#include <QString>
+#include <vector>
+
+namespace Pgsql {
+
+	class Connection;
+
+}
+
+class PgTypeContainer;
+class PgDatabaseContainer;
+class PgAuthIdContainer;
+
+class PgsqlDatabaseCatalogue {
+public:
+	PgsqlDatabaseCatalogue();
+	PgsqlDatabaseCatalogue(const PgsqlDatabaseCatalogue&) = delete;
+	PgsqlDatabaseCatalogue& operator = (const PgsqlDatabaseCatalogue&) = delete;
+
+	~PgsqlDatabaseCatalogue();
+
+
+	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);
+
+	const QString& serverVersionString() const;
+	int serverVersion() const;
+
+	const PgTypeContainer* types() const;
+	const PgDatabaseContainer *databases() const;
+	const PgAuthIdContainer *authIds() const;
+private:
+	QString m_serverVersionString;
+	int m_serverVersion;
+	PgTypeContainer *m_types = nullptr;
+	PgDatabaseContainer *m_databases = nullptr;
+	PgAuthIdContainer *m_authIds = nullptr;
+};
+
+QString getRoleNameFromOid(const PgsqlDatabaseCatalogue *cat, Oid oid);
+
+#endif // PGSQLDATABASECATALOGUE_H