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moodle/mod/forum/db/postgres7.php

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fixed capitalization and quoting of attribute values
2004-09-12 16:24:41 +00:00
<?php // $Id$
Database and upgrade files for PostgreSQL 7 support!
2002-12-15 02:41:07 +00:00
function forum_upgrade($oldversion) {
// This function does anything necessary to upgrade
// older versions to match current functionality
Changes throughout Moodle to remove any reserved words from the Moodle tables. ie user -> userid in many tables, plus in user_students start -> starttime and end -> endtime I've just done all this as carefully as I could ... I don't think I missed anything but it's pretty intensive work and I'd be fooling myself if I didn't think I'd missed a couple. Note that this version should pretty much be able to bootstrap itself using PostgreSQL now ... but this is untested
2002-12-23 09:39:26 +00:00
global $CFG;
Database and upgrade files for PostgreSQL 7 support!
2002-12-15 02:41:07 +00:00
New feature to allow teachers to move a discussion from one forum to another. A simple popup menu now appears when teachers view any discussion. Includes a new log entry to log when a discussion is moved.
2003-04-24 08:45:27 +00:00
if ($oldversion < 2003042402) {
execute_sql("INSERT INTO {$CFG->prefix}log_display VALUES ('forum', 'move discussion', 'forum_discussions', 'name')");
}
New mini-feature. When choosing ratings in a forum, one can now specify a range of dates. Only posts within this range can be rated. If the range isn't specified then all posts can be rated.
2003-08-25 07:39:06 +00:00
if ($oldversion < 2003082500) {
table_column("forum", "", "assesstimestart", "integer", "10", "unsigned", "0", "", "assessed");
table_column("forum", "", "assesstimefinish", "integer", "10", "unsigned", "0", "", "assesstimestart");
}
WARNING: BIG CHANGES! OK, this is a big check-in with some big changes, and needs work still. It seems relatively stable, but I need help identifying the rough patches. 1) First grading scales support. There is a now a new table called "scale" that contains grading scales. There can be site scales (course=0) and custom course scales. These can be used in modules - I've only done forums for now but that was the hard one. Scales can be edited via the new item in the course admin menu. There is one default scale - the connected/separate knowing one that used to be in forum. To build this I pull data from the language packs to create one during the upgrade, or anytime a scales menu is called and no scales are found. 2) New roles for course creator and teachers. I've fixed up the course menus and some other things but there's a lot left to do on this to make it all smooth. The idea is that teachers no longer can edit courses unless they are also course creators. The interface for this needs to be smoothed out a fair bit and I need help with this. The upgrade will upgrade all teachers to be creators, but will default the new site config "creatornewcourses" to "no", so that effectively these new teachers have the same privileges. 3) Simplified teacher management. There is no longer an "assign teachers" and a "teacher roles" page - it's all on one page in course/teacher.html. Phew ... time for a shower and then back into it.
2003-08-15 13:59:24 +00:00
Forum grades can now be numerical as well (like the other modules). If so, grades in the gradebook are printed as proper numbers and contribute to the total of the course.
2003-08-25 12:47:36 +00:00
if ($oldversion < 2003082502) {
execute_sql("UPDATE {$CFG->prefix}forum SET scale = (- scale)");
}
These changes implement some better controls for controlling uploads. 1) There is a new site-wide configuration variable called maxbytes, which provides an upper filesize limit for all (student) uploads. 2) There is a new course-level variable called maxbytes, which further limits uploads within a course. 3) There is a new maxbytes field for forums, which further restricts the size allowed in a particular forum. There is also a new config variable in the module configuration to specify a default size to use when defining a new forum. 4) Assignments already had a limit, but this is now aware of the other limits, and like forums there is now a settable default value. 5) Finally, the sizes of files (Gb, Mb, Kb, bytes) is now translatable in the language packs.
2003-10-06 18:02:35 +00:00
if ($oldversion < 2003100600) {
table_column("forum", "", "maxbytes", "integer", "10", "unsigned", "0", "", "scale");
}
New option to allow students to see aggregate ratings on other posts (anonymous)
2004-01-01 04:48:55 +00:00
if ($oldversion < 2004010100) {
table_column("forum", "", "assesspublic", "integer", "4", "unsigned", "0", "", "assessed");
}
Some improvements in efficiency of Recent Activity. There is now a new field in forum_discussions which has the userid of the author in it. This saves a lookup every time to forum_posts. There is also some caching and rearrangement of the logic. It seems to work OK, I'm about to do some speed tests on moodle.org
2004-01-14 11:50:29 +00:00
if ($oldversion < 2004011404) {
table_column("forum_discussions", "", "userid", "integer", "10", "unsigned", "0", "", "firstpost");
if ($discussions = get_records_sql("SELECT d.id, p.userid
FROM {$CFG->prefix}forum_discussions as d,
{$CFG->prefix}forum_posts as p
WHERE d.firstpost = p.id")) {
foreach ($discussions as $discussion) {
update_record("forum_discussions", $discussion);
}
}
}
Improvements to forum groups. New forum_discussions->groupid now stores the group ID for the discussion.
2004-01-23 12:09:25 +00:00
if ($oldversion < 2004012200) {
table_column("forum_discussions", "", "groupid", "integer", "10", "unsigned", "0", "", "userid");
}
Some improvements in efficiency of Recent Activity. There is now a new field in forum_discussions which has the userid of the author in it. This saves a lookup every time to forum_posts. There is also some caching and rearrangement of the logic. It seems to work OK, I'm about to do some speed tests on moodle.org
2004-01-14 11:50:29 +00:00
Discussions now store the last user to change them, as well as the last time they were modified. This isn't actually used yet but it will be.
2004-02-06 13:15:15 +00:00
if ($oldversion < 2004020600) {
table_column("forum_discussions", "", "usermodified", "integer", "10", "unsigned", "0", "", "timemodified");
}
First version of RSS System. Discussion and post forum feeds supported. Integrated in cron system. Some strings missing. Test, test, test...
2004-05-02 23:08:19 +00:00
if ($oldversion < 2004050300) {
table_column("forum","","rsstype","integer","2", "unsigned", "0", "", "forcesubscribe");
table_column("forum","","rssarticles","integer","2", "unsigned", "0", "", "rsstype");
set_config("forum_enablerssfeeds",0);
}
Moving some stuff to forum/db where they belong... (sorry!)
2004-06-01 07:39:27 +00:00
if ($oldversion < 2004060100) {
Wery quickly tested and untested versions for Postgresql.
2004-07-28 08:51:05 +00:00
modify_database('', "CREATE TABLE prefix_forum_queue (
Moving some stuff to forum/db where they belong... (sorry!)
2004-06-01 07:39:27 +00:00
id SERIAL PRIMARY KEY,
userid integer default 0 NOT NULL,
discussionid integer default 0 NOT NULL,
postid integer default 0 NOT NULL
);");
}
Postgres updates
2004-09-20 17:48:59 +00:00
if ($oldversion < 2004070700) { // This may be redoing it from STABLE but that's OK
table_column("forum_discussions", "groupid", "groupid", "integer", "10", "", "0", "");
}
Merged from MOODLE_14_STABLE: Indexes on forum and version bump
2004-11-18 04:10:47 +00:00
if ($oldversion < 2004111700) {
execute_sql(" DROP INDEX {$CFG->prefix}forum_posts_parent_idx;",false);
execute_sql(" DROP INDEX {$CFG->prefix}forum_posts_discussion_idx;",false);
execute_sql(" DROP INDEX {$CFG->prefix}forum_posts_userid_idx;",false);
execute_sql(" DROP INDEX {$CFG->prefix}forum_discussions_forum_idx;",false);
execute_sql(" DROP INDEX {$CFG->prefix}forum_discussions_userid_idx;",false);
execute_sql(" CREATE INDEX {$CFG->prefix}forum_posts_parent_idx ON {$CFG->prefix}forum_posts (parent) ");
execute_sql(" CREATE INDEX {$CFG->prefix}forum_posts_discussion_idx ON {$CFG->prefix}forum_posts (discussion) ");
execute_sql(" CREATE INDEX {$CFG->prefix}forum_posts_userid_idx ON {$CFG->prefix}forum_posts (userid) ");
execute_sql(" CREATE INDEX {$CFG->prefix}forum_discussions_forum_idx ON {$CFG->prefix}forum_discussions (forum) ");
execute_sql(" CREATE INDEX {$CFG->prefix}forum_discussions_userid_idx ON {$CFG->prefix}forum_discussions (userid) ");
}
if ($oldversion < 2004111200) {
execute_sql("DROP INDEX {$CFG->prefix}forum_course_idx;",false);
execute_sql("DROP INDEX {$CFG->prefix}forum_queue_userid_idx;",false);
execute_sql("DROP INDEX {$CFG->prefix}forum_queue_discussion_idx;",false);
execute_sql("DROP INDEX {$CFG->prefix}forum_queue_postid_idx;",false);
execute_sql("DROP INDEX {$CFG->prefix}forum_ratings_userid_idx;",false);
execute_sql("DROP INDEX {$CFG->prefix}forum_ratings_post_idx;",false);
execute_sql("DROP INDEX {$CFG->prefix}forum_subscriptions_userid_idx;",false);
execute_sql("DROP INDEX {$CFG->prefix}forum_subscriptions_forum_idx;",false);
modify_database('','CREATE INDEX prefix_forum_course_idx ON prefix_forum (course);');
modify_database('','CREATE INDEX prefix_forum_queue_userid_idx ON prefix_forum_queue (userid);');
modify_database('','CREATE INDEX prefix_forum_queue_discussion_idx ON prefix_forum_queue (discussionid);');
modify_database('','CREATE INDEX prefix_forum_queue_postid_idx ON prefix_forum_queue (postid);');
modify_database('','CREATE INDEX prefix_forum_ratings_userid_idx ON prefix_forum_ratings (userid);');
modify_database('','CREATE INDEX prefix_forum_ratings_post_idx ON prefix_forum_ratings (post);');
modify_database('','CREATE INDEX prefix_forum_subscriptions_userid_idx ON prefix_forum_subscriptions (userid);');
modify_database('','CREATE INDEX prefix_forum_subscriptions_forum_idx ON prefix_forum_subscriptions (forum);');
}
MAJOR NEW FEATURE: Tracking of read/unread posts Many thanks to Mike Churchward for his work on this and persevering with sending updated versions to me. :-) Shane and I have polished it up, rewritten a few parts (display-related) and here it is, finally in CVS! I think there will still need to be some optimisation for the SQL, since it's still pretty intensive. Perhaps some sort of caching in the session that gets modified along with the database whenever something gets read. However if there are problems the whole thing can be switched off in the forum module config so this is not crucially urgent.
2005-01-29 09:49:42 +00:00
if ($oldversion < 2005011500) {
modify_database('','CREATE TABLE prefix_forum_read (
id SERIAL PRIMARY KEY,
userid integer default 0 NOT NULL,
forumid integer default 0 NOT NULL,
discussionid integer default 0 NOT NULL,
postid integer default 0 NOT NULL,
firstread integer default 0 NOT NULL,
lastread integer default 0 NOT NULL
);');
modify_database('','CREATE INDEX prefix_forum_user_forum_idx ON prefix_forum_read (userid, forumid);');
modify_database('','CREATE INDEX prefix_forum_user_discussion_idx ON prefix_forum_read (userid, discussionid);');
modify_database('','CREATE INDEX prefix_forum_user_post_idx ON prefix_forum_read (userid, postid);');
}
Database and upgrade files for PostgreSQL 7 support!
2002-12-15 02:41:07 +00:00
return true;
}
?>
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