Added pg_proc table to the catalog. Contains the definition of functions.

Also improved the loading code for some catalog tables.

pglablib/PgProcContainer.cpp

@@ -0,0 +1,52 @@
+#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";
+	auto cat = m_catalogue.lock();
+	int ver = cat->serverVersion();
+	if (ver >= 90500) {
+		column_list += ",protrftypes";
+	}
+	else if (cat->serverVersion() >= 90600) {
+		column_list += ",proparallel";
+	}
+
+	return "SELECT " +	column_list + " FROM pg_proc";
+}
+
+PgProc PgProcContainer::loadElem(const Pgsql::Row &row)
+{
+	Pgsql::Col col(row);
+	PgProc v;
+	col >> v.oid >> v.proname >> v.pronamespace >> v.proowner >> v.prolang >> v.procost >> v.prorows
+			>> v.provariadic >> v.protransform >> v.proisagg >> v.proiswindow >> v.prosecdef >> v.proleakproof
+			>> v.proisstrict >> v.proretset >> v.provolatile >> v.pronargs >> v.pronargdefaults
+			>> v.prorettype;
+	col.getAsVector<Oid>(std::back_inserter(v.proargtypes));
+	col >> v.proallargtypes >> v.proargmodes >> v.proargnames
+			>> v.proargdefaults;
+	col >> v.prosrc;
+	col >> v.probin >> v.proconfig >> v.proacl;
+
+	auto cat = m_catalogue.lock();
+	int ver = cat->serverVersion();
+	if (ver >= 90500) {
+		col >> v.protrftypes;
+	}
+	else if (cat->serverVersion() >= 90600) {
+		col >> v.proparallel;
+	}
+
+	return v;
+}