schema/ttrss_schema_pgsql.sql

   1 drop table if exists ttrss_linked_feeds;
   2 drop table if exists ttrss_linked_instances;
   3 drop table if exists ttrss_access_keys;
   4 drop table if exists ttrss_user_labels2;
   5 drop table if exists ttrss_labels2;
   6 drop table if exists ttrss_feedbrowser_cache;
   7 drop table if exists ttrss_version;
   8 drop table if exists ttrss_labels;
   9 drop table if exists ttrss_filters;
  10 drop table if exists ttrss_filter_types;
  11 drop table if exists ttrss_filter_actions;
  12 drop table if exists ttrss_user_prefs;
  13 drop table if exists ttrss_prefs;
  14 drop table if exists ttrss_prefs_types;
  15 drop table if exists ttrss_prefs_sections;
  16 drop table if exists ttrss_tags;
  17 drop table if exists ttrss_enclosures;
  18 drop table if exists ttrss_settings_profiles;
  19 drop table if exists ttrss_entry_comments;
  20 drop table if exists ttrss_user_entries;
  21 drop table if exists ttrss_entries;
  22 drop table if exists ttrss_scheduled_updates;
  23 drop table if exists ttrss_counters_cache;
  24 drop table if exists ttrss_cat_counters_cache;
  25 drop table if exists ttrss_archived_feeds;
  26 drop table if exists ttrss_feeds;
  27 drop table if exists ttrss_feed_categories;
  28 drop table if exists ttrss_users;
  29 drop table if exists ttrss_themes;
  30 drop table if exists ttrss_sessions;
  31 drop function if exists SUBSTRING_FOR_DATE(timestamp, int, int);
  32
  33 begin;
  34
  35 create table ttrss_users (id serial not null primary key,
  36         login varchar(120) not null unique,
  37         pwd_hash varchar(250) not null,
  38         last_login timestamp default null,
  39         access_level integer not null default 0,
  40         email varchar(250) not null default '',
  41         full_name varchar(250) not null default '',
  42         email_digest boolean not null default false,
  43         last_digest_sent timestamp default null,
  44         salt varchar(250) not null default '',
  45         twitter_oauth text default null,
  46         created timestamp default null);
  47
  48 insert into ttrss_users (login,pwd_hash,access_level) values ('admin',
  49         'SHA1:5baa61e4c9b93f3f0682250b6cf8331b7ee68fd8', 10);
  50
  51 create table ttrss_feed_categories(id serial not null primary key,
  52         owner_uid integer not null references ttrss_users(id) on delete cascade,
  53         collapsed boolean not null default false,
  54         order_id integer not null default 0,
  55         title varchar(200) not null);
  56
  57 create table ttrss_feeds (id serial not null primary key,
  58         owner_uid integer not null references ttrss_users(id) on delete cascade,
  59         title varchar(200) not null,
  60         cat_id integer default null references ttrss_feed_categories(id) on delete set null,
  61         feed_url text not null,
  62         icon_url varchar(250) not null default '',
  63         update_interval integer not null default 0,
  64         purge_interval integer not null default 0,
  65         last_updated timestamp default null,
  66         last_error text not null default '',
  67         site_url varchar(250) not null default '',
  68         auth_login varchar(250) not null default '',
  69         parent_feed integer default null references ttrss_feeds(id) on delete set null,
  70         private boolean not null default false,
  71         auth_pass varchar(250) not null default '',
  72         hidden boolean not null default false,
  73         include_in_digest boolean not null default true,
  74         rtl_content boolean not null default false,
  75         cache_images boolean not null default false,
  76         last_viewed timestamp default null,
  77         last_update_started timestamp default null,
  78         update_method integer not null default 0,
  79         always_display_enclosures boolean not null default false,
  80         order_id integer not null default 0,
  81         mark_unread_on_update boolean not null default false,
  82         update_on_checksum_change boolean not null default false,
  83         strip_images boolean not null default false,
  84         pubsub_state integer not null default 0,
  85         favicon_last_checked timestamp default null,
  86         auth_pass_encrypted boolean not null default false);
  87
  88 create index ttrss_feeds_owner_uid_index on ttrss_feeds(owner_uid);
  89 create index ttrss_feeds_cat_id_idx on ttrss_feeds(cat_id);
  90
  91 insert into ttrss_feeds (owner_uid, title, feed_url) values
  92         (1, 'Tiny Tiny RSS: New Releases', 'http://tt-rss.org/releases.rss');
  93
  94 insert into ttrss_feeds (owner_uid, title, feed_url) values
  95         (1, 'Tiny Tiny RSS: Forum', 'http://tt-rss.org/forum/rss.php');
  96
  97 create table ttrss_archived_feeds (id integer not null primary key,
  98         owner_uid integer not null references ttrss_users(id) on delete cascade,
  99         title varchar(200) not null,
 100         feed_url text not null,
 101         site_url varchar(250) not null default '');
 102
 103 create table ttrss_counters_cache (
 104         feed_id integer not null,
 105         owner_uid integer not null references ttrss_users(id) ON DELETE CASCADE,
 106         updated timestamp not null,
 107         value integer not null default 0);
 108
 109 create index ttrss_counters_cache_feed_id_idx on ttrss_counters_cache(feed_id);
 110 create index ttrss_counters_cache_owner_uid_idx on ttrss_counters_cache(owner_uid);
 111 create index ttrss_counters_cache_value_idx on ttrss_counters_cache(value);
 112
 113 create table ttrss_cat_counters_cache (
 114         feed_id integer not null,
 115         owner_uid integer not null references ttrss_users(id) ON DELETE CASCADE,
 116         updated timestamp not null,
 117         value integer not null default 0);
 118
 119 create index ttrss_cat_counters_cache_owner_uid_idx on ttrss_cat_counters_cache(owner_uid);
 120
 121 create table ttrss_entries (id serial not null primary key,
 122         title text not null,
 123         guid text not null unique,
 124         link text not null,
 125         updated timestamp not null,
 126         content text not null,
 127         content_hash varchar(250) not null,
 128         no_orig_date boolean not null default false,
 129         date_entered timestamp not null,
 130         date_updated timestamp not null,
 131         num_comments integer not null default 0,
 132         comments varchar(250) not null default '',
 133         author varchar(250) not null default '');
 134
 135 create index ttrss_entries_guid_index on ttrss_entries(guid);
 136 -- create index ttrss_entries_title_index on ttrss_entries(title);
 137 create index ttrss_entries_date_entered_index on ttrss_entries(date_entered);
 138 create index ttrss_entries_updated_idx on ttrss_entries(updated);
 139
 140 create table ttrss_user_entries (
 141         int_id serial not null primary key,
 142         ref_id integer not null references ttrss_entries(id) ON DELETE CASCADE,
 143         uuid varchar(200) not null,
 144         feed_id int references ttrss_feeds(id) ON DELETE CASCADE,
 145         orig_feed_id integer references ttrss_archived_feeds(id) ON DELETE SET NULL,
 146         owner_uid integer not null references ttrss_users(id) ON DELETE CASCADE,
 147         marked boolean not null default false,
 148         published boolean not null default false,
 149         tag_cache text not null,
 150         label_cache text not null,
 151         last_read timestamp,
 152         score int not null default 0,
 153         note text,
 154         unread boolean not null default true);
 155
 156 -- create index ttrss_user_entries_feed_id_index on ttrss_user_entries(feed_id);
 157 create index ttrss_user_entries_owner_uid_index on ttrss_user_entries(owner_uid);
 158 create index ttrss_user_entries_ref_id_index on ttrss_user_entries(ref_id);
 159 create index ttrss_user_entries_feed_id on ttrss_user_entries(feed_id);
 160 create index ttrss_user_entries_unread_idx on ttrss_user_entries(unread);
 161
 162 create table ttrss_entry_comments (id serial not null primary key,
 163         ref_id integer not null references ttrss_entries(id) ON DELETE CASCADE,
 164         owner_uid integer not null references ttrss_users(id) ON DELETE CASCADE,
 165         private boolean not null default false,
 166         date_entered timestamp not null);
 167
 168 create index ttrss_entry_comments_ref_id_index on ttrss_entry_comments(ref_id);
 169 -- create index ttrss_entry_comments_owner_uid_index on ttrss_entry_comments(owner_uid);
 170
 171 create table ttrss_filter_types (id integer not null primary key,
 172         name varchar(120) unique not null,
 173         description varchar(250) not null unique);
 174
 175 insert into ttrss_filter_types (id,name,description) values (1, 'title', 'Title');
 176 insert into ttrss_filter_types (id,name,description) values (2, 'content', 'Content');
 177 insert into ttrss_filter_types (id,name,description) values (3, 'both',
 178         'Title or Content');
 179 insert into ttrss_filter_types (id,name,description) values (4, 'link',
 180         'Link');
 181 insert into ttrss_filter_types (id,name,description) values (5, 'date',
 182         'Article Date');
 183 insert into ttrss_filter_types (id,name,description) values (6, 'author', 'Author');
 184 insert into ttrss_filter_types (id,name,description) values (7, 'tag', 'Article Tags');
 185
 186 create table ttrss_filter_actions (id integer not null primary key,
 187         name varchar(120) unique not null,
 188         description varchar(250) not null unique);
 189
 190 insert into ttrss_filter_actions (id,name,description) values (1, 'filter',
 191         'Delete article');
 192
 193 insert into ttrss_filter_actions (id,name,description) values (2, 'catchup',
 194         'Mark as read');
 195
 196 insert into ttrss_filter_actions (id,name,description) values (3, 'mark',
 197         'Set starred');
 198
 199 insert into ttrss_filter_actions (id,name,description) values (4, 'tag',
 200         'Assign tags');
 201
 202 insert into ttrss_filter_actions (id,name,description) values (5, 'publish',
 203         'Publish article');
 204
 205 insert into ttrss_filter_actions (id,name,description) values (6, 'score',
 206         'Modify score');
 207
 208 insert into ttrss_filter_actions (id,name,description) values (7, 'label',
 209         'Assign label');
 210
 211 create table ttrss_filters (id serial not null primary key,
 212         owner_uid integer not null references ttrss_users(id) on delete cascade,
 213         feed_id integer references ttrss_feeds(id) on delete cascade default null,
 214         filter_type integer not null references ttrss_filter_types(id),
 215         reg_exp varchar(250) not null,
 216         filter_param varchar(250) not null default '',
 217         enabled boolean not null default true,
 218         inverse boolean not null default false,
 219         cat_filter boolean not null default false,
 220         cat_id integer references ttrss_feed_categories(id) on delete cascade default null,
 221         action_id integer not null default 1 references ttrss_filter_actions(id) on delete cascade,
 222         action_param varchar(250) not null default '');
 223
 224 create table ttrss_tags (id serial not null primary key,
 225         tag_name varchar(250) not null,
 226         owner_uid integer not null references ttrss_users(id) on delete cascade,
 227         post_int_id integer references ttrss_user_entries(int_id) ON DELETE CASCADE not null);
 228
 229 create index ttrss_tags_owner_uid_index on ttrss_tags(owner_uid);
 230 create index ttrss_tags_post_int_id_idx on ttrss_tags(post_int_id);
 231
 232 create table ttrss_version (schema_version int not null);
 233
 234 insert into ttrss_version values (92);
 235
 236 create table ttrss_enclosures (id serial not null primary key,
 237         content_url text not null,
 238         content_type varchar(250) not null,
 239         title text not null,
 240         duration text not null,
 241         post_id integer references ttrss_entries(id) ON DELETE cascade NOT NULL);
 242
 243 create index ttrss_enclosures_post_id_idx on ttrss_enclosures(post_id);
 244
 245 create table ttrss_settings_profiles(id serial not null primary key,
 246         title varchar(250) not null,
 247         owner_uid integer not null references ttrss_users(id) on delete cascade);
 248
 249 create table ttrss_prefs_types (id integer not null primary key,
 250         type_name varchar(100) not null);
 251
 252 insert into ttrss_prefs_types (id, type_name) values (1, 'bool');
 253 insert into ttrss_prefs_types (id, type_name) values (2, 'string');
 254 insert into ttrss_prefs_types (id, type_name) values (3, 'integer');
 255
 256 create table ttrss_prefs_sections (id integer not null primary key,
 257         section_name varchar(100) not null);
 258
 259 insert into ttrss_prefs_sections (id, section_name) values (1, 'General');
 260 insert into ttrss_prefs_sections (id, section_name) values (2, 'Interface');
 261 insert into ttrss_prefs_sections (id, section_name) values (3, 'Advanced');
 262
 263 create table ttrss_prefs (pref_name varchar(250) not null primary key,
 264         type_id integer not null references ttrss_prefs_types(id),
 265         section_id integer not null references ttrss_prefs_sections(id) default 1,
 266         short_desc text not null,
 267         help_text text not null default '',
 268         access_level integer not null default 0,
 269         def_value text not null);
 270
 271 create index ttrss_prefs_pref_name_idx on ttrss_prefs(pref_name);
 272
 273 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('PURGE_OLD_DAYS', 3, '60', 'Purge old posts after this number of days (0 - disables)',1);
 274
 275 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('DEFAULT_UPDATE_INTERVAL', 3, '30', 'Default interval between feed updates',1);
 276
 277 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('DEFAULT_ARTICLE_LIMIT', 3, '30', 'Amount of articles to display at once',2);
 278
 279 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('ALLOW_DUPLICATE_POSTS', 1, 'true', 'Allow duplicate posts',1, 'This option is useful when you are reading several planet-type aggregators with partially colliding userbase. When disabled, it forces same posts from different feeds to appear only once.');
 280
 281 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('ENABLE_FEED_CATS', 1, 'true', 'Enable feed categories',2);
 282
 283 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('SHOW_CONTENT_PREVIEW', 1, 'true', 'Show content preview in headlines list',2);
 284
 285 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('SHORT_DATE_FORMAT', 2, 'M d, G:i', 'Short date format',3);
 286
 287 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('LONG_DATE_FORMAT', 2, 'D, M d Y - G:i', 'Long date format',3);
 288
 289 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('COMBINED_DISPLAY_MODE', 1, 'false', 'Combined feed display',2, 'Display expanded list of feed articles, instead of separate displays for headlines and article content');
 290
 291 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('HIDE_READ_FEEDS', 1, 'false', 'Hide feeds with no unread messages',2);
 292
 293 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('ON_CATCHUP_SHOW_NEXT_FEED', 1, 'false', 'On catchup show next feed',2, 'Automatically open next feed with unread articles after marking one as read');
 294
 295 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('FEEDS_SORT_BY_UNREAD', 1, 'false', 'Sort feeds by unread articles count',2);
 296
 297 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('REVERSE_HEADLINES', 1, 'false', 'Reverse headline order (oldest first)',2);
 298
 299 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('DIGEST_ENABLE', 1, 'false', 'Enable e-mail digest',1, 'This option enables sending daily digest of new (and unread) headlines on your configured e-mail address');
 300
 301 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('CONFIRM_FEED_CATCHUP', 1, 'true', 'Confirm marking feed as read',3);
 302
 303 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('CDM_AUTO_CATCHUP', 1, 'false', 'Automatically mark articles as read',3, 'This option enables marking articles as read automatically while you scroll article list.');
 304
 305 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_DEFAULT_VIEW_MODE', 2, 'adaptive', '', 1);
 306
 307 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_DEFAULT_VIEW_LIMIT', 3, '30', '', 1);
 308
 309 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_PREFS_ACTIVE_TAB', 2, '', '', 1);
 310
 311 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('STRIP_UNSAFE_TAGS', 1, 'true', 'Strip unsafe tags from articles', 3, 'Strip all but most common HTML tags when reading articles.');
 312
 313 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('BLACKLISTED_TAGS', 2, 'main, generic, misc, uncategorized, blog, blogroll, general, news', 'Blacklisted tags', 3, 'When auto-detecting tags in articles these tags will not be applied (comma-separated list).');
 314
 315 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('FRESH_ARTICLE_MAX_AGE', 3, '24', 'Maximum age of fresh articles (in hours)',2);
 316
 317 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('DIGEST_CATCHUP', 1, 'false', 'Mark articles in e-mail digest as read',1);
 318
 319 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('CDM_EXPANDED', 1, 'true', 'Automatically expand articles in combined mode',3);
 320
 321 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('PURGE_UNREAD_ARTICLES', 1, 'true', 'Purge unread articles',3);
 322
 323 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('HIDE_READ_SHOWS_SPECIAL', 1, 'true', 'Show special feeds when hiding read feeds',3);
 324
 325 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('VFEED_GROUP_BY_FEED', 1, 'false', 'Group headlines in virtual feeds',2, 'When this option is enabled, headlines in Special feeds and Labels are grouped by feeds');
 326
 327 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('STRIP_IMAGES', 1, 'false', 'Do not show images in articles', 2);
 328
 329 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_DEFAULT_VIEW_ORDER_BY', 2, 'default', '', 1);
 330
 331 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('ENABLE_API_ACCESS', 1, 'false', 'Enable external API', 3);
 332
 333 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_COLLAPSED_SPECIAL', 1, 'false', '', 1);
 334
 335 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_COLLAPSED_LABELS', 1, 'false', '', 1);
 336
 337 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_COLLAPSED_UNCAT', 1, 'false', '', 1);
 338
 339 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_COLLAPSED_FEEDLIST', 1, 'false', '', 1);
 340
 341 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_MOBILE_ENABLE_CATS', 1, 'false', '', 1);
 342
 343 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_MOBILE_SHOW_IMAGES', 1, 'false', '', 1);
 344
 345 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_MOBILE_HIDE_READ', 1, 'false', '', 1);
 346
 347 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_MOBILE_SORT_FEEDS_UNREAD', 1, 'false', '', 1);
 348
 349 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_THEME_ID', 2, '0', '', 1);
 350
 351 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('USER_TIMEZONE', 2, 'UTC', 'User timezone', 1);
 352
 353 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('SORT_HEADLINES_BY_FEED_DATE', 1, 'true', 'Sort headlines by feed date',3, 'Use feed-specified date to sort headlines instead of local import date.');
 354
 355 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('USER_STYLESHEET', 2, '', 'Customize stylesheet', 2, 'Customize CSS stylesheet to your liking');
 356
 357 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_MOBILE_BROWSE_CATS', 1, 'true', '', 1);
 358
 359 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('SSL_CERT_SERIAL', 2, '', 'Login with an SSL certificate',3, 'Click to register your SSL client certificate with tt-rss');
 360
 361 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id,help_text) values('DIGEST_PREFERRED_TIME', 2, '00:00', 'Try to send digests around specified time', 1, 'Uses UTC timezone');
 362
 363 insert into ttrss_prefs (pref_name,type_id,def_value,short_desc,section_id) values('_PREFS_SHOW_EMPTY_CATS', 1, 'false', '', 1);
 364
 365 create table ttrss_user_prefs (
 366         owner_uid integer not null references ttrss_users(id) ON DELETE CASCADE,
 367         pref_name varchar(250) not null references ttrss_prefs(pref_name) ON DELETE CASCADE,
 368         profile integer references ttrss_settings_profiles(id) ON DELETE CASCADE,
 369         value text not null);
 370
 371 create index ttrss_user_prefs_owner_uid_index on ttrss_user_prefs(owner_uid);
 372 create index ttrss_user_prefs_pref_name_idx on ttrss_user_prefs(pref_name);
 373 -- create index ttrss_user_prefs_value_index on ttrss_user_prefs(value);
 374
 375 create table ttrss_sessions (id varchar(250) unique not null primary key,
 376         data text,
 377         expire integer not null);
 378
 379 create index ttrss_sessions_expire_index on ttrss_sessions(expire);
 380
 381 create function SUBSTRING_FOR_DATE(timestamp, int, int) RETURNS text AS 'SELECT SUBSTRING(CAST($1 AS text), $2, $3)' LANGUAGE 'sql';
 382
 383 create table ttrss_feedbrowser_cache (
 384         feed_url text not null primary key,
 385         title text not null,
 386         site_url text not null,
 387         subscribers integer not null);
 388
 389 create table ttrss_labels2 (id serial not null primary key,
 390         owner_uid integer not null references ttrss_users(id) ON DELETE CASCADE,
 391         fg_color varchar(15) not null default '',
 392         bg_color varchar(15) not null default '',
 393         caption varchar(250) not null
 394 );
 395
 396 create table ttrss_user_labels2 (
 397         label_id integer not null references ttrss_labels2(id) ON DELETE CASCADE,
 398         article_id integer not null references ttrss_entries(id) ON DELETE CASCADE
 399 );
 400
 401 create table ttrss_access_keys (id serial not null primary key,
 402         access_key varchar(250) not null,
 403         feed_id varchar(250) not null,
 404         is_cat boolean not null default false,
 405         owner_uid integer not null references ttrss_users(id) on delete cascade);
 406
 407 create table ttrss_linked_instances (id serial not null primary key,
 408         last_connected timestamp not null,
 409         last_status_in integer not null,
 410         last_status_out integer not null,
 411         access_key varchar(250) not null unique,
 412         access_url text not null);
 413
 414 create table ttrss_linked_feeds (
 415         feed_url text not null,
 416         site_url text not null,
 417         title text not null,
 418         created timestamp not null,
 419         updated timestamp not null,
 420         instance_id integer not null references ttrss_linked_instances(id) ON DELETE CASCADE,
 421         subscribers integer not null);
 422
 423 commit;