Reorganize files in pglablib

The enitities and containers of the catalog now go into catalog subfolder
Models go into model

pglablib/catalog/PgTablespace.h

@@ -0,0 +1,24 @@
+#ifndef PGTABLESPACE_H
+#define PGTABLESPACE_H
+
+#include <QString>
+#include <libpq-fe.h>
+#include <vector>
+
+class PgTablespace {
+public:
+	Oid oid = InvalidOid;
+	QString name;
+	Oid owner = InvalidOid;
+	std::vector<QString> acl;
+	std::vector<QString> options;
+
+	PgTablespace();
+
+	bool operator==(Oid _oid) const { return oid == _oid; }
+	//bool operator==(const QString &n) const { return name == n; }
+	bool operator<(Oid _oid) const { return oid < _oid; }
+	bool operator<(const PgTablespace &rhs) const { return oid < rhs.oid; }
+};
+
+#endif // PGTABLESPACE_H