headlines cache: force refresh when subop is present

feedlist.js

@@ -152,7 +152,7 @@ function viewfeed(feed, subop, is_cat, subop_param, skip_history, offset) {
 		var unread_ctr = document.getElementById("FEEDU-" + feed);
 		var cache_check = false;
 
-		if (unread_ctr && !page_offset && !force_nocache) {
+		if (unread_ctr && !page_offset && !force_nocache && !subop) {
 			unread_ctr = unread_ctr.innerHTML;
 
 			var cache_prefix = "";

sanity_check.php

@@ -2,7 +2,7 @@
 	require_once "functions.php";
 
 	define('EXPECTED_CONFIG_VERSION', 12);
-	define('SCHEMA_VERSION', 26);
+	define('SCHEMA_VERSION', 27);
 
 	if (!file_exists("config.php")) {
 		print __("<b>Fatal Error</b>: You forgot to copy 

schema/ttrss_schema_mysql.sql

@@ -76,6 +76,7 @@ create table ttrss_feeds (id integer not null auto_increment primary key,
 	include_in_digest boolean not null default true,
 	cache_images boolean not null default false,
 	auth_pass_encrypted boolean not null default false,
+	last_viewed datetime default null,
 	index(owner_uid),
 	foreign key (owner_uid) references ttrss_users(id) ON DELETE CASCADE,
 	index(cat_id),

schema/ttrss_schema_pgsql.sql

@@ -68,6 +68,7 @@ create table ttrss_feeds (id serial not null primary key,
 	include_in_digest boolean not null default true,
 	rtl_content boolean not null default false,
 	cache_images boolean not null default false,
+	last_viewed timestamp default null,
 	auth_pass_encrypted boolean not null default false);	
 
 create index ttrss_feeds_owner_uid_index on ttrss_feeds(owner_uid);