Reorganize files in pglablib

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

pglablib/catalog/PgProcContainer.cpp

@@ -0,0 +1,59 @@
+#include "PgProcContainer.h"
+#include "Pgsql_Connection.h"
+#include "Pgsql_Col.h"
+#include "PgDatabaseCatalog.h"
+#include <algorithm>
+#include <iterator>
+
+std::string PgProcContainer::getLoadQuery() const
+{
+	std::string column_list =
+		"oid,proname,pronamespace,proowner,prolang,procost,prorows,"
+		"provariadic,protransform,proisagg,proiswindow,prosecdef,proleakproof,"
+		"proisstrict,proretset,provolatile,pronargs,pronargdefaults,prorettype,"
+		"proargtypes,proallargtypes,proargmodes,proargnames,proargdefaults,"
+		"prosrc,probin,proconfig,proacl";
+	if (minimumVersion(90500)) {
+		column_list += ",protrftypes";
+	}
+	if (minimumVersion(90600)) {
+		column_list += ",proparallel";
+	}
+
+	return "SELECT " +	column_list + " FROM pg_proc";
+}
+
+PgProc PgProcContainer::loadElem(const Pgsql::Row &row)
+{
+	Pgsql::Col col(row);
+	Oid oid = col.nextValue();
+	QString name = col.nextValue();
+	Oid namespace_oid = col.nextValue();
+
+	PgProc v(m_catalog, oid, name, namespace_oid);
+
+	col >> v.owner >> v.lang >> v.cost >> v.rows
+			>> v.variadic >> v.transform >> v.isagg >> v.iswindow >> v.secdef >> v.leakproof
+			>> v.isstrict >> v.retset >> v.provolatile >> v.nargs >> v.nargdefaults
+			>> v.rettype;
+
+	std::vector<Oid> argtypes; // oid[]
+	std::vector<Oid> allargtypes; // oid[]
+	std::vector<char> argmodes; // char[]
+	std::vector<QString> argnames; // text[]
+	std::optional<QString> argdefaults; // pg_node_tree
+	col.getAsVector<Oid>(std::back_inserter(argtypes));
+	col >> allargtypes >> argmodes >> argnames >> argdefaults
+		>> v.src >> v.bin >> v.config >> v.acl;
+
+	v.setArgs(argtypes, allargtypes, argmodes, argnames, argdefaults);
+
+	if (minimumVersion(90500)) {
+		col >> v.trftypes;
+	}
+	if (minimumVersion(90600)) {
+		col >> v.parallel;
+	}
+
+	return v;
+}