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comparison db/libervia_pubsub_update_0_1.sql @ 465:9af0ef2c145c

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db: renamed update files following global renaming
author Goffi <goffi@goffi.org>
date Fri, 15 Oct 2021 13:40:59 +0200
parents db/sat_pubsub_update_0_1.sql@1dc606612405
children
comparison
equal deleted inserted replaced
464:391aa65f72b2 465:9af0ef2c145c
1 -- we check version of the database before doing anything
2 -- and stop execution if not good
3 \set ON_ERROR_STOP
4 DO $$
5 DECLARE ver text;
6 BEGIN
7 SELECT value INTO ver FROM metadata WHERE key='version';
8 IF FOUND THEN
9 RAISE EXCEPTION 'This update file needs to be applied on older database, you don''t have to use it';
10 END IF;
11 END$$;
12 \unset ON_ERROR_STOP
13 -- end of version check
14
15
16 ALTER TABLE nodes ADD COLUMN pep text;
17
18 ALTER TABLE nodes DROP CONSTRAINT nodes_node_key;
19 /* we need 2 partial indexes to manage NULL value for PEP */
20 CREATE UNIQUE INDEX nodes_node_pep_key_not_null ON nodes(node, pep) WHERE pep IS NOT NULL;
21 CREATE UNIQUE INDEX nodes_node_pep_key_null ON nodes(node) WHERE pep IS NULL;
22
23 CREATE TABLE metadata (
24 key text PRIMARY KEY,
25 value text
26 );
27
28 INSERT INTO metadata VALUES ('version', '1');
29
30 CREATE TABLE item_categories (
31 item_categories_id serial PRIMARY KEY,
32 item_id integer NOT NULL references items ON DELETE CASCADE,
33 category text NOT NULL,
34 UNIQUE (item_id,category)
35 );
36
37 UPDATE nodes SET node='urn:xmpp:microblog:0', pep=substring(node from 20) WHERE node LIKE 'urn:xmpp:groupblog:_%';
38
39 /* This is to update namespaces, SàT was buggy before 0.6 and didn't set the atom namespace in <entry/> */
40 /* But yeah, this is a crazy query */
41 UPDATE items SET data = xmlelement(name item, xmlattributes((xpath('/item/@id', data::xml))[1] as id),
42 XMLPARSE(CONTENT NULLIF(array_to_string(xpath('/item/entry/preceding-sibling::*', data::xml)::text[],''),'')),
43 xmlelement(name entry, xmlattributes('http://www.w3.org/2005/Atom' as xmlns), array_to_string(xpath('/item/entry/*', data::xml)::text[], '')::xml),
44 XMLPARSE(CONTENT NULLIF(array_to_string(xpath('/item/entry/following-sibling::*', data::xml)::text[],''),'')))
45 FROM nodes WHERE nodes.node_id = items.node_id
46 AND (node = 'urn:xmpp:microblog:0' or node LIKE 'urn:xmpp:comments:%')
47 AND XMLEXISTS('/item/entry' PASSING (data::xml));