MensBeam
/
Arsse
3
1
Fork 0
Code Issues 24 Pull Requests Releases 28 Activity
Browse Source

Complete new database schema for SQLite

redup
J. King 2 years ago
parent
5a78fc0492
commit
a2115a50fa
1 changed files with 82 additions and 49 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 131
      sql/SQLite3/7.sql

131
sql/SQLite3/7.sql
View File

@ -39,9 +39,9 @@ create table arsse_articles_new(
-- metadata for entries in newsfeeds, including user state
id integer primary key, -- sequence number
subscription integer not null references arsse_subscriptions(id) on delete cascade on update cascade, -- associated subscription
read boolean not null default 0, -- whether the article has been read
starred boolean not null default 0, -- whether the article is starred
hidden boolean not null default 0, -- whether the article should be excluded from selection by default
read int not null default 0, -- whether the article has been read
starred int not null default 0, -- whether the article is starred
hidden int not null default 0, -- whether the article should be excluded from selection by default
published text, -- time of original publication
edited text, -- time of last edit by author
modified text not null default CURRENT_TIMESTAMP, -- time when article was last modified in database pursuant to an authorial edit
@ -86,64 +86,97 @@ create table arsse_article_contents(
);
insert into arsse_article_contents
select
i.id,
m.id,
a.content
from arsse_articles_map as i
left join arsse_articles as a on a.id = i.article;
from arsse_articles_map as m
left join arsse_articles as a on a.id = m.article;
-- Create a new table for editions
create table arsse_editions_temp(
id integer primary key autoincrement,
article integer,
modified datetime not null default CURRENT_TIMESTAMP
);
create table arsse_editions_new(
-- IDs for specific editions of articles (required for at least Nextcloud News)
-- every time an article is updated by its author, a new unique edition number is assigned
-- with Nextcloud News this prevents users from marking as read an article which has been
-- updated since the client state was last refreshed
id integer primary key, -- sequence number
article integer not null references arsse_articles(id) on delete cascade, -- the article of which this is an edition
modified datetime not null default CURRENT_TIMESTAMP -- time at which the edition was modified (practically, when it was created)
);
insert into arsse_editions_temp values(1,1);
delete from arsse_editions_temp;
update sqlite_sequence set seq = (select max(id) from arsse_editions) where name = 'arsse_editions_temp';
insert into arsse_editions_temp(article) select id from arsse_articles_map where id = article;
insert into arsse_editions_temp(id, article, modified)
select id, article, modified from arsse_editions where article in (select article from arsse_editions_temp where id <> article);
insert into arsse_editions_new select * from arsse_editions_temp;
-- Create one edition for each renumbered article, and delete any editions for obsolete articles
insert into arsse_editions(article) select id from arsse_articles_map where id <> article;
delete from arsse_editions where article in (select article from arsse_articles_map where id <> article);
-- Create a new enclosures table
create table arsse_enclosures_new(
-- enclosures (attachments) associated with articles
article integer not null references arsse_articles(id) on delete cascade, -- article to which the enclosure belongs
url text, -- URL of the enclosure
type text -- content-type (MIME type) of the enclosure
);
insert into arsse_enclosures_new
select
i.id,
e.url,
e.type
from arsse_articles_map as i
join arsse_enclosures as e on e.article = i.article;
-- Create enclures for renumbered articles and delete obsolete enclosures
insert into arsse_enclosures(article, url, type)
select
m.id, url, type
from arsse_articles_map as m
join arsse_enclosures as e on m.article = e.article
where m.id <> m.article;
delete from arsse_enclosures where article in (select article from arsse_articles_map where id <> article);
-- Create a new label members table
-- Create a new label-associations table which omits the subscription column and populate it with new data
create table arsse_label_members_new(
-- label assignments for articles
label integer not null references arsse_labels(id) on delete cascade, -- label ID associated to an article; label IDs belong to a user
article integer not null references arsse_articles(id) on delete cascade, -- article associated to a label
subscription integer not null references arsse_subscriptions(id) on delete cascade, -- Subscription is included so that records are deleted when a subscription is removed
assigned boolean not null default 1, -- whether the association is current, to support soft deletion
assigned int not null default 1, -- whether the association is current, to support soft deletion
modified text not null default CURRENT_TIMESTAMP, -- time at which the association was last made or unmade
primary key(label,article) -- only one association of a given label to a given article
) without rowid;
insert into arsse_label_members_new
select
label, m.id, assigned, l.modified
from arsse_articles_map as m
join arsse_label_members as l using(article);
-- Create a new subscriptions table which combines the feeds table
-- Fix up the tag members table
-- Fix up the icons table
create table arsse_subscriptions_new(
-- users' subscriptions to newsfeeds, with settings
id integer primary key, -- sequence number
owner text not null references arsse_users(id) on delete cascade on update cascade, -- owner of subscription
url text not null, -- URL of feed
feed_title text not null collate nocase, -- feed title
title text collate nocase, -- user-supplied title, which overrides the feed title when set
folder integer references arsse_folders(id) on delete cascade, -- TT-RSS category (nestable); the first-level category (which acts as Nextcloud folder) is joined in when needed
last_mod text, -- time at which the feed last actually changed at the foreign host
etag text not null default '', -- HTTP ETag hash used for cache validation, changes each time the content changes
next_fetch text, -- time at which the feed should next be fetched
added text not null default CURRENT_TIMESTAMP, -- time at which feed was added
source text, -- URL of site to which the feed belongs
updated text, -- time at which the feed was last fetched
err_count integer not null default 0, -- count of successive times update resulted in error since last successful update
err_msg text, -- last error message
size integer not null default 0, -- number of articles in the feed at last fetch
icon integer references arsse_icons(id) on delete set null, -- numeric identifier of any associated icon
modified text not null default CURRENT_TIMESTAMP, -- time at which subscription properties were last modified by the user
order_type int not null default 0, -- Nextcloud sort order
pinned int not null default 0, -- whether feed is pinned (always sorts at top)
unique(owner,url) -- a URL with particular credentials should only appear once
);
insert into arsse_subscriptions_new
select
s.id,
s.owner,
f.url,
coalesce(f.title, f.url),
s.title,
s.folder,
f.modified,
f.etag
f.next_fetch,
f.added,
f.source,
f.updated,
f.err_count,
f.err_msg,
f.size,
f.icon,
s.modified,
s.order_type,
s.pinned
from arsse_subscriptions as s left join arsse_feeds as f on s.feed = f.id;
-- Delete the old tables and rename the new ones
drop table arsse_label_members;
drop table arsse_subscriptions;
drop table arsse_feeds;
drop table arsse_articles;
drop table arsse_marks;
drop table arsse_articles_map;
alter table arsse_subscriptions_new rename to arsse_subscriptions;
alter table arsse_articles_new rename to arsse_articles;
alter table arsse_label_members_new rename to arsse_label_members;
-- set version marker
pragma user_version = 8;
update arsse_meta set value = '8' where "key" = 'schema_version';

Write Preview
Loading…
Cancel
Save