add index on ttrss_entries(date_entered), bump schema

sanity_check.php

@@ -2,7 +2,7 @@
 	require_once "functions.php";
 
 	define('EXPECTED_CONFIG_VERSION', 9);
-	define('SCHEMA_VERSION', 21);
+	define('SCHEMA_VERSION', 22);
 
 	if (!file_exists("config.php")) {
 		print __("<b>Fatal Error</b>: You forgot to copy 

schema/ttrss_schema_mysql.sql

@@ -98,6 +98,8 @@ create table ttrss_entries (id integer not null primary key auto_increment,
 	comments varchar(250) not null default '',
 	author varchar(250) not null default '') TYPE=InnoDB;
 
+create index ttrss_entries_date_entered_index on ttrss_entries(date_entered);
+
 create table ttrss_user_entries (
 	int_id integer not null primary key auto_increment,
 	ref_id integer not null,
@@ -196,7 +198,7 @@ create table ttrss_tags (id integer primary key auto_increment,
 
 create table ttrss_version (schema_version int not null) TYPE=InnoDB;
 
-insert into ttrss_version values (21);
+insert into ttrss_version values (22);
 
 create table ttrss_prefs_types (id integer not null primary key, 
 	type_name varchar(100) not null) TYPE=InnoDB;

schema/ttrss_schema_pgsql.sql

@@ -89,7 +89,7 @@ create table ttrss_entries (id serial not null primary key,
 
 create index ttrss_entries_guid_index on ttrss_entries(guid);
 -- create index ttrss_entries_title_index on ttrss_entries(title);
--- create index ttrss_entries_date_entered_index on ttrss_entries(date_entered);
+create index ttrss_entries_date_entered_index on ttrss_entries(date_entered);
 
 create table ttrss_user_entries (
 	int_id serial not null primary key,
@@ -177,7 +177,7 @@ create index ttrss_tags_owner_uid_index on ttrss_tags(owner_uid);
 
 create table ttrss_version (schema_version int not null);
 
-insert into ttrss_version values (21);
+insert into ttrss_version values (22);
 
 create table ttrss_prefs_types (id integer not null primary key, 
 	type_name varchar(100) not null);