Untested fix fpr phppgadmin-dev (v7...) which fixes an error where the function tree did not open

functions.diif

diff --git a/classes/database/Postgres.php b/classes/database/Postgres.php
index ee19990f..e823fa7b 100755
--- a/classes/database/Postgres.php
+++ b/classes/database/Postgres.php
@@ -4184,8 +4184,7 @@ class Postgres extends ADODB_base {
 				INNER JOIN pg_catalog.pg_namespace n ON n.oid = p.pronamespace
 				INNER JOIN pg_catalog.pg_language pl ON pl.oid = p.prolang
 				LEFT JOIN pg_catalog.pg_user u ON u.usesysid = p.proowner
-			WHERE NOT p.proisagg
-				AND {$where}
+			WHERE {$where}
 			ORDER BY p.proname, proresult
 			";