WIP: file system refactoring: link

patches/patch20220110-6.0-SNAPSHOT/patch.sql

@@ -64,12 +64,16 @@ ALTER TABLE files ADD FOREIGN KEY (parent_directory) REFERENCES entities (id);
 ALTER TABLE archive_files ADD FOREIGN KEY (parent_directory) REFERENCES entities (id) ON DELETE CASCADE;
 
 
-ALTER TABLE entities MODIFY COLUMN `role` enum('RECORDTYPE','RECORD','FILE','DOMAIN','PROPERTY','DATATYPE','ROLE','QUERYTEMPLATE', 'DIRECTORY') COLLATE utf8_unicode_ci NOT NULL;
+ALTER TABLE entities MODIFY COLUMN `role` enum('RECORDTYPE','RECORD','FILE','DOMAIN','PROPERTY','DATATYPE','ROLE','QUERYTEMPLATE', 'DIRECTORY', 'LINK') COLLATE utf8_unicode_ci NOT NULL;
 
 -- Add a new special role "DIRECTORY"
 INSERT IGNORE INTO entities (id, description, role, acl) VALUES (9, "The directory role.", "ROLE", 0);
 INSERT IGNORE INTO name_data (domain_id, entity_id, property_id, value, status, pidx) VALUES (0, 9, 20, "DIRECTORY", "FIX", 0);
 
+-- Add a new special role "LINK"
+INSERT IGNORE INTO entities (id, description, role, acl) VALUES (10, "The link role.", "ROLE", 0);
+INSERT IGNORE INTO name_data (domain_id, entity_id, property_id, value, status, pidx) VALUES (0, 10, 20, "LINK", "FIX", 0);
+
 -- In the default file storage back-end the key is just the path.
 UPDATE files SET file_key=path;
 UPDATE archive_files SET file_key=path;