1 /* local and remote users have profiles */
2 create sequence profile_seq;
4 id bigint default nextval('profile_seq') primary key /* comment 'unique identifier' */,
5 nickname varchar(64) not null /* comment 'nickname or username' */,
6 fullname varchar(255) /* comment 'display name' */,
7 profileurl varchar(255) /* comment 'URL, cached so we dont regenerate' */,
8 homepage varchar(255) /* comment 'identifying URL' */,
9 bio varchar(140) /* comment 'descriptive biography' */,
10 location varchar(255) /* comment 'physical location' */,
11 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
12 modified timestamp /* comment 'date this record was modified' */,
16 create index profile_nickname_idx on profile using btree(nickname);
19 profile_id integer not null /* comment 'foreign key to profile table' */ references profile (id) ,
20 original integer default 0 /* comment 'uploaded by user or generated?' */,
21 width integer not null /* comment 'image width' */,
22 height integer not null /* comment 'image height' */,
23 mediatype varchar(32) not null /* comment 'file type' */,
24 filename varchar(255) null /* comment 'local filename, if local' */,
25 url varchar(255) unique /* comment 'avatar location' */,
26 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
27 modified timestamp /* comment 'date this record was modified' */,
29 primary key(profile_id, width, height)
31 create index avatar_profile_id_idx on avatar using btree(profile_id);
33 create sequence sms_carrier_seq;
34 create table sms_carrier (
35 id bigint default nextval('sms_carrier_seq') primary key /* comment 'primary key for SMS carrier' */,
36 name varchar(64) unique /* comment 'name of the carrier' */,
37 email_pattern varchar(255) not null /* comment 'sprintf pattern for making an email address from a phone number' */,
38 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
39 modified timestamp /* comment 'date this record was modified ' */
42 create sequence design_seq;
44 id bigint default nextval('design_seq') /* comment 'design ID'*/,
45 backgroundcolor integer /* comment 'main background color'*/ ,
46 contentcolor integer /*comment 'content area background color'*/ ,
47 sidebarcolor integer /*comment 'sidebar background color'*/ ,
48 textcolor integer /*comment 'text color'*/ ,
49 linkcolor integer /*comment 'link color'*/,
50 backgroundimage varchar(255) /*comment 'background image, if any'*/,
51 disposition int default 1 /*comment 'bit 1 = hide background image, bit 2 = display background image, bit 4 = tile background image'*/,
58 id integer primary key /* comment 'foreign key to profile table' */ references profile (id) ,
59 nickname varchar(64) unique /* comment 'nickname or username, duped in profile' */,
60 password varchar(255) /* comment 'salted password, can be null for OpenID users' */,
61 email varchar(255) unique /* comment 'email address for password recovery etc.' */,
62 incomingemail varchar(255) unique /* comment 'email address for post-by-email' */,
63 emailnotifysub integer default 1 /* comment 'Notify by email of subscriptions' */,
64 emailnotifyfav integer default 1 /* comment 'Notify by email of favorites' */,
65 emailnotifynudge integer default 1 /* comment 'Notify by email of nudges' */,
66 emailnotifymsg integer default 1 /* comment 'Notify by email of direct messages' */,
67 emailnotifyattn integer default 1 /* command 'Notify by email of @-replies' */,
68 emailmicroid integer default 1 /* comment 'whether to publish email microid' */,
69 language varchar(50) /* comment 'preferred language' */,
70 timezone varchar(50) /* comment 'timezone' */,
71 emailpost integer default 1 /* comment 'Post by email' */,
72 jabber varchar(255) unique /* comment 'jabber ID for notices' */,
73 jabbernotify integer default 0 /* comment 'whether to send notices to jabber' */,
74 jabberreplies integer default 0 /* comment 'whether to send notices to jabber on replies' */,
75 jabbermicroid integer default 1 /* comment 'whether to publish xmpp microid' */,
76 updatefrompresence integer default 0 /* comment 'whether to record updates from Jabber presence notices' */,
77 sms varchar(64) unique /* comment 'sms phone number' */,
78 carrier integer /* comment 'foreign key to sms_carrier' */ references sms_carrier (id) ,
79 smsnotify integer default 0 /* comment 'whether to send notices to SMS' */,
80 smsreplies integer default 0 /* comment 'whether to send notices to SMS on replies' */,
81 smsemail varchar(255) /* comment 'built from sms and carrier' */,
82 uri varchar(255) unique /* comment 'universally unique identifier, usually a tag URI' */,
83 autosubscribe integer default 0 /* comment 'automatically subscribe to users who subscribe to us' */,
84 urlshorteningservice varchar(50) default 'ur1.ca' /* comment 'service to use for auto-shortening URLs' */,
85 inboxed integer default 0 /* comment 'has an inbox been created for this user?' */,
86 design_id integer /* comment 'id of a design' */references design(id),
87 viewdesigns integer default 1 /* comment 'whether to view user-provided designs'*/,
88 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
89 modified timestamp /* comment 'date this record was modified' */
92 create index user_smsemail_idx on "user" using btree(smsemail);
96 create table remote_profile (
97 id integer primary key /* comment 'foreign key to profile table' */ references profile (id) ,
98 uri varchar(255) unique /* comment 'universally unique identifier, usually a tag URI' */,
99 postnoticeurl varchar(255) /* comment 'URL we use for posting notices' */,
100 updateprofileurl varchar(255) /* comment 'URL we use for updates to this profile' */,
101 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
102 modified timestamp /* comment 'date this record was modified' */
105 create table subscription (
106 subscriber integer not null /* comment 'profile listening' */,
107 subscribed integer not null /* comment 'profile being listened to' */,
108 jabber integer default 1 /* comment 'deliver jabber messages' */,
109 sms integer default 1 /* comment 'deliver sms messages' */,
110 token varchar(255) /* comment 'authorization token' */,
111 secret varchar(255) /* comment 'token secret' */,
112 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
113 modified timestamp /* comment 'date this record was modified' */,
115 primary key (subscriber, subscribed)
117 create index subscription_subscriber_idx on subscription using btree(subscriber,created);
118 create index subscription_subscribed_idx on subscription using btree(subscribed,created);
120 create sequence notice_seq;
121 create table notice (
123 id bigint default nextval('notice_seq') primary key /* comment 'unique identifier' */,
124 profile_id integer not null /* comment 'who made the update' */ references profile (id) ,
125 uri varchar(255) unique /* comment 'universally unique identifier, usually a tag URI' */,
126 content varchar(140) /* comment 'update content' */,
127 rendered text /* comment 'HTML version of the content' */,
128 url varchar(255) /* comment 'URL of any attachment (image, video, bookmark, whatever)' */,
129 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
130 modified timestamp /* comment 'date this record was modified' */,
131 reply_to integer /* comment 'notice replied to (usually a guess)' */ references notice (id) ,
132 is_local integer default 0 /* comment 'notice was generated by a user' */,
133 source varchar(32) /* comment 'source of comment, like "web", "im", or "clientname"' */,
134 conversation integer /*id of root notice in this conversation' */ references notice (id),
135 lat decimal(10,7) /* comment 'latitude'*/ ,
136 lon decimal(10,7) /* comment 'longitude'*/ ,
137 location_id integer /* comment 'location id if possible'*/ ,
138 location_ns integer /* comment 'namespace for location'*/
139 /* FULLTEXT(content) */
142 create index notice_profile_id_idx on notice using btree(profile_id,created,id);
143 create index notice_created_idx on notice using btree(created);
145 create table notice_source (
146 code varchar(32) primary key not null /* comment 'source code' */,
147 name varchar(255) not null /* comment 'name of the source' */,
148 url varchar(255) not null /* comment 'url to link to' */,
149 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
150 modified timestamp /* comment 'date this record was modified' */
155 notice_id integer not null /* comment 'notice that is the reply' */ references notice (id) ,
156 profile_id integer not null /* comment 'profile replied to' */ references profile (id) ,
157 modified timestamp /* comment 'date this record was modified' */,
158 replied_id integer /* comment 'notice replied to (not used, see notice.reply_to)' */,
160 primary key (notice_id, profile_id)
163 create index reply_notice_id_idx on reply using btree(notice_id);
164 create index reply_profile_id_idx on reply using btree(profile_id);
165 create index reply_replied_id_idx on reply using btree(replied_id);
169 notice_id integer not null /* comment 'notice that is the favorite' */ references notice (id),
170 user_id integer not null /* comment 'user who likes this notice' */ references "user" (id) ,
171 modified timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was modified' */,
172 primary key (notice_id, user_id)
175 create index fave_notice_id_idx on fave using btree(notice_id);
176 create index fave_user_id_idx on fave using btree(user_id,modified);
177 create index fave_modified_idx on fave using btree(modified);
179 /* tables for OAuth */
181 create table consumer (
182 consumer_key varchar(255) primary key /* comment 'unique identifier, root URL' */,
183 seed char(32) not null /* comment 'seed for new tokens by this consumer' */,
185 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
186 modified timestamp /* comment 'date this record was modified' */
190 consumer_key varchar(255) not null /* comment 'unique identifier, root URL' */ references consumer (consumer_key),
191 tok char(32) not null /* comment 'identifying value' */,
192 secret char(32) not null /* comment 'secret value' */,
193 type integer not null default 0 /* comment 'request or access' */,
194 state integer default 0 /* comment 'for requests 0 = initial, 1 = authorized, 2 = used' */,
196 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
197 modified timestamp /* comment 'date this record was modified' */,
199 primary key (consumer_key, tok)
203 consumer_key varchar(255) not null /* comment 'unique identifier, root URL' */,
204 tok char(32) /* comment 'buggy old value, ignored' */,
205 nonce char(32) null /* comment 'buggy old value, ignored */,
206 ts integer not null /* comment 'timestamp sent' values are epoch, and only used internally */,
208 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
209 modified timestamp /* comment 'date this record was modified' */,
211 primary key (consumer_key, ts, nonce)
214 /* One-to-many relationship of user to openid_url */
216 create table user_openid (
217 canonical varchar(255) primary key /* comment 'Canonical true URL' */,
218 display varchar(255) not null unique /* comment 'URL for viewing, may be different from canonical' */,
219 user_id integer not null /* comment 'user owning this URL' */ references "user" (id) ,
220 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
221 modified timestamp /* comment 'date this record was modified' */
224 create index user_openid_user_id_idx on user_openid using btree(user_id);
226 /* These are used by JanRain OpenID library */
228 create table oid_associations (
229 server_url varchar(2047),
234 assoc_type varchar(64),
235 primary key (server_url, handle)
238 create table oid_nonces (
239 server_url varchar(2047),
242 unique (server_url, "timestamp", salt)
245 create table confirm_address (
246 code varchar(32) not null primary key /* comment 'good random code' */,
247 user_id integer not null /* comment 'user who requested confirmation' */ references "user" (id),
248 address varchar(255) not null /* comment 'address (email, Jabber, SMS, etc.)' */,
249 address_extra varchar(255) not null default '' /* comment 'carrier ID, for SMS' */,
250 address_type varchar(8) not null /* comment 'address type ("email", "jabber", "sms")' */,
251 claimed timestamp /* comment 'date this was claimed for queueing' */,
252 sent timestamp /* comment 'date this was sent for queueing' */,
253 modified timestamp /* comment 'date this record was modified' */
256 create table remember_me (
257 code varchar(32) not null primary key /* comment 'good random code' */,
258 user_id integer not null /* comment 'user who is logged in' */ references "user" (id),
259 modified timestamp /* comment 'date this record was modified' */
262 create table queue_item (
264 notice_id integer not null /* comment 'notice queued' */ references notice (id) ,
265 transport varchar(8) not null /* comment 'queue for what? "email", "jabber", "sms", "irc", ...' */,
266 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
267 claimed timestamp /* comment 'date this item was claimed' */,
269 primary key (notice_id, transport)
272 create index queue_item_created_idx on queue_item using btree(created);
275 create table notice_tag (
276 tag varchar( 64 ) not null /* comment 'hash tag associated with this notice' */,
277 notice_id integer not null /* comment 'notice tagged' */ references notice (id) ,
278 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
280 primary key (tag, notice_id)
282 create index notice_tag_created_idx on notice_tag using btree(created);
284 /* Synching with foreign services */
286 create table foreign_service (
287 id int not null primary key /* comment 'numeric key for service' */,
288 name varchar(32) not null unique /* comment 'name of the service' */,
289 description varchar(255) /* comment 'description' */,
290 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
291 modified timestamp /* comment 'date this record was modified' */
294 create table foreign_user (
295 id int not null unique /* comment 'unique numeric key on foreign service' */,
296 service int not null /* comment 'foreign key to service' */ references foreign_service(id) ,
297 uri varchar(255) not null unique /* comment 'identifying URI' */,
298 nickname varchar(255) /* comment 'nickname on foreign service' */,
299 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
300 modified timestamp /* comment 'date this record was modified' */,
302 primary key (id, service)
305 create table foreign_link (
306 user_id int /* comment 'link to user on this system, if exists' */ references "user" (id),
307 foreign_id int /* comment 'link' */ references foreign_user (id),
308 service int not null /* comment 'foreign key to service' */ references foreign_service (id),
309 credentials varchar(255) /* comment 'authc credentials, typically a password' */,
310 noticesync int not null default 1 /* comment 'notice synchronisation, bit 1 = sync outgoing, bit 2 = sync incoming, bit 3 = filter local replies' */,
311 friendsync int not null default 2 /* comment 'friend synchronisation, bit 1 = sync outgoing, bit 2 = sync incoming */,
312 profilesync int not null default 1 /* comment 'profile synchronization, bit 1 = sync outgoing, bit 2 = sync incoming' */,
313 last_noticesync timestamp default null /* comment 'last time notices were imported' */,
314 last_friendsync timestamp default null /* comment 'last time friends were imported' */,
315 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
316 modified timestamp /* comment 'date this record was modified' */,
318 primary key (user_id,foreign_id,service)
320 create index foreign_user_user_id_idx on foreign_link using btree(user_id);
322 create table foreign_subscription (
323 service int not null /* comment 'service where relationship happens' */ references foreign_service(id) ,
324 subscriber int not null /* comment 'subscriber on foreign service' */ ,
325 subscribed int not null /* comment 'subscribed user' */ ,
326 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
328 primary key (service, subscriber, subscribed)
330 create index foreign_subscription_subscriber_idx on foreign_subscription using btree(subscriber);
331 create index foreign_subscription_subscribed_idx on foreign_subscription using btree(subscribed);
333 create table invitation (
334 code varchar(32) not null primary key /* comment 'random code for an invitation' */,
335 user_id int not null /* comment 'who sent the invitation' */ references "user" (id),
336 address varchar(255) not null /* comment 'invitation sent to' */,
337 address_type varchar(8) not null /* comment 'address type ("email", "jabber", "sms") '*/,
338 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */
341 create index invitation_address_idx on invitation using btree(address,address_type);
342 create index invitation_user_id_idx on invitation using btree(user_id);
344 create sequence message_seq;
345 create table message (
347 id bigint default nextval('message_seq') primary key /* comment 'unique identifier' */,
348 uri varchar(255) unique /* comment 'universally unique identifier' */,
349 from_profile integer not null /* comment 'who the message is from' */ references profile (id),
350 to_profile integer not null /* comment 'who the message is to' */ references profile (id),
351 content varchar(140) /* comment 'message content' */,
352 rendered text /* comment 'HTML version of the content' */,
353 url varchar(255) /* comment 'URL of any attachment (image, video, bookmark, whatever)' */,
354 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
355 modified timestamp /* comment 'date this record was modified' */,
356 source varchar(32) /* comment 'source of comment, like "web", "im", or "clientname"' */
359 create index message_from_idx on message using btree(from_profile);
360 create index message_to_idx on message using btree(to_profile);
361 create index message_created_idx on message using btree(created);
363 create table notice_inbox (
365 user_id integer not null /* comment 'user receiving the message' */ references "user" (id),
366 notice_id integer not null /* comment 'notice received' */ references notice (id),
367 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date the notice was created' */,
368 source integer default 1 /* comment 'reason it is in the inbox: 1=subscription' */,
370 primary key (user_id, notice_id)
372 create index notice_inbox_notice_id_idx on notice_inbox using btree(notice_id);
374 create table profile_tag (
375 tagger integer not null /* comment 'user making the tag' */ references "user" (id),
376 tagged integer not null /* comment 'profile tagged' */ references profile (id),
377 tag varchar(64) not null /* comment 'hash tag associated with this notice' */,
378 modified timestamp /* comment 'date the tag was added' */,
380 primary key (tagger, tagged, tag)
382 create index profile_tag_modified_idx on profile_tag using btree(modified);
383 create index profile_tag_tagger_tag_idx on profile_tag using btree(tagger,tag);
385 create table profile_block (
387 blocker integer not null /* comment 'user making the block' */ references "user" (id),
388 blocked integer not null /* comment 'profile that is blocked' */ references profile (id),
389 modified timestamp /* comment 'date of blocking' */,
391 primary key (blocker, blocked)
395 create sequence user_group_seq;
396 create table user_group (
398 id bigint default nextval('user_group_seq') primary key /* comment 'unique identifier' */,
400 nickname varchar(64) unique /* comment 'nickname for addressing' */,
401 fullname varchar(255) /* comment 'display name' */,
402 homepage varchar(255) /* comment 'URL, cached so we dont regenerate' */,
403 description varchar(140) /* comment 'descriptive biography' */,
404 location varchar(255) /* comment 'related physical location, if any' */,
406 original_logo varchar(255) /* comment 'original size logo' */,
407 homepage_logo varchar(255) /* comment 'homepage (profile) size logo' */,
408 stream_logo varchar(255) /* comment 'stream-sized logo' */,
409 mini_logo varchar(255) /* comment 'mini logo' */,
410 design_id integer /*comment 'id of a design' */ references design(id),
412 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
413 modified timestamp /* comment 'date this record was modified' */
416 create index user_group_nickname_idx on user_group using btree(nickname);
418 create table group_member (
420 group_id integer not null /* comment 'foreign key to user_group' */ references user_group (id),
421 profile_id integer not null /* comment 'foreign key to profile table' */ references profile (id),
422 is_admin integer default 0 /* comment 'is this user an admin?' */,
424 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
425 modified timestamp /* comment 'date this record was modified' */,
427 primary key (group_id, profile_id)
430 create table related_group (
432 group_id integer not null /* comment 'foreign key to user_group' */ references user_group (id) ,
433 related_group_id integer not null /* comment 'foreign key to user_group' */ references user_group (id),
435 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date this record was created' */,
437 primary key (group_id, related_group_id)
441 create table group_inbox (
442 group_id integer not null /* comment 'group receiving the message' references user_group (id) */,
443 notice_id integer not null /* comment 'notice received' references notice (id) */,
444 created timestamp not null default CURRENT_TIMESTAMP /* comment 'date the notice was created' */,
445 primary key (group_id, notice_id)
447 create index group_inbox_created_idx on group_inbox using btree(created);
449 /*attachments and URLs stuff */
450 create sequence file_seq;
452 id bigint default nextval('file_seq') primary key /* comment 'unique identifier' */,
453 url varchar(255) unique,
454 mimetype varchar(50),
459 filename text /* comment 'if a local file, name of the file' */,
460 modified timestamp default CURRENT_TIMESTAMP /* comment 'date this record was modified'*/
463 create sequence file_oembed_seq;
464 create table file_oembed (
465 file_id bigint default nextval('file_oembed_seq') primary key /* comment 'unique identifier' */,
468 mimetype varchar(50),
469 provider varchar(50),
470 provider_url varchar(255),
475 author_name varchar(50),
476 author_url varchar(255),
480 create sequence file_redirection_seq;
481 create table file_redirection (
482 url varchar(255) primary key,
484 redirections integer,
488 create sequence file_thumbnail_seq;
489 create table file_thumbnail (
490 file_id bigint primary key,
491 url varchar(255) unique,
496 create sequence file_to_post_seq;
497 create table file_to_post (
501 primary key (file_id, post_id)
504 create table group_block (
505 group_id integer not null /* comment 'group profile is blocked from' */ references user_group (id),
506 blocked integer not null /* comment 'profile that is blocked' */references profile (id),
507 blocker integer not null /* comment 'user making the block'*/ references "user" (id),
508 modified timestamp /* comment 'date of blocking'*/ ,
510 primary key (group_id, blocked)
513 create table group_alias (
515 alias varchar(64) /* comment 'additional nickname for the group'*/ ,
516 group_id integer not null /* comment 'group profile is blocked from'*/ references user_group (id),
517 modified timestamp /* comment 'date alias was created'*/,
521 create index group_alias_group_id_idx on group_alias (group_id);
523 create table session (
525 id varchar(32) primary key /* comment 'session ID'*/,
526 session_data text /* comment 'session data'*/,
527 created timestamp not null DEFAULT CURRENT_TIMESTAMP /* comment 'date this record was created'*/,
528 modified integer DEFAULT extract(epoch from CURRENT_TIMESTAMP) /* comment 'date this record was modified'*/
531 create index session_modified_idx on session (modified);
533 create table deleted_notice (
535 id integer primary key /* comment 'identity of notice'*/ ,
536 profile_id integer /* not null comment 'author of the notice'*/,
537 uri varchar(255) unique /* comment 'universally unique identifier, usually a tag URI'*/,
538 created timestamp not null /* comment 'date the notice record was created'*/ ,
539 deleted timestamp not null DEFAULT CURRENT_TIMESTAMP /* comment 'date the notice record was created'*/
542 CREATE index deleted_notice_profile_id_idx on deleted_notice (profile_id);
544 /* Textsearch stuff */
546 create index textsearch_idx on profile using gist(textsearch);
547 create index noticecontent_idx on notice using gist(to_tsvector('english',content));
548 create trigger textsearchupdate before insert or update on profile for each row
549 execute procedure tsvector_update_trigger(textsearch, 'pg_catalog.english', nickname, fullname, location, bio, homepage);
551 create table config (
553 section varchar(32) /* comment 'configuration section'*/,
554 setting varchar(32) /* comment 'configuration setting'*/,
555 value varchar(255) /* comment 'configuration value'*/,
557 primary key (section, setting)
561 create table profile_role (
563 profile_id integer not null /* comment 'account having the role'*/ references profile (id),
564 role varchar(32) not null /* comment 'string representing the role'*/,
565 created timestamp /* not null comment 'date the role was granted'*/,
567 primary key (profile_id, role)
571 create table location_namespace (
573 id integer /*comment 'identity for this namespace'*/,
574 description text /* comment 'description of the namespace'*/ ,
575 created integer not null /*comment 'date the record was created*/ ,
576 /* modified timestamp comment 'date this record was modified',*/
581 create table login_token (
582 user_id integer not null /* comment 'user owning this token'*/ references "user" (id),
583 token char(32) not null /* comment 'token useable for logging in'*/,
584 created timestamp not null DEFAULT CURRENT_TIMESTAMP /* comment 'date this record was created'*/,
585 modified timestamp /* comment 'date this record was modified'*/,
587 primary key (user_id)