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54 lines
1.7 KiB
PHP
54 lines
1.7 KiB
PHP
<?PHP //$Id$
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// This file keeps track of upgrades to Moodle.
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//
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// Sometimes, changes between versions involve
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// alterations to database structures and other
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// major things that may break installations.
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//
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// This file specifies the current version of
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// Moodle installed, which can be compared against
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// a previous version (see the "config" table).
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//
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// To do this, visit the "admin" page.
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//
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// The upgrade function in this file will attempt
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// to perform all the necessary actions to upgrade
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// your older databases to the current version.
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// If there's something it cannot do itself, it
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// will tell you what you need to do.
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$version = 2002080300;
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function upgrade_moodle($oldversion=0) {
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if ($oldversion == 0) {
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execute_sql("
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CREATE TABLE `config` (
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`id` int(10) unsigned NOT NULL auto_increment,
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`name` varchar(255) NOT NULL default '',
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`value` varchar(255) NOT NULL default '',
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PRIMARY KEY (`id`),
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UNIQUE KEY `name` (`name`)
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) COMMENT='Moodle configuration variables';");
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notify("Created a new table 'config' to hold configuration data");
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}
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if ($oldversion < 2002073100) {
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execute_sql("DELETE FROM `modules` WHERE `name` = 'chat' ");
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}
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if ($oldversion < 2002080200) {
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execute_sql(" ALTER TABLE `modules` DROP `fullname` ");
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execute_sql(" ALTER TABLE `modules` DROP `search` ");
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}
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if ($oldversion < 2002080300) {
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execute_sql(" ALTER TABLE `log_display` CHANGE `table` `mtable` VARCHAR( 20 ) NOT NULL ");
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execute_sql(" ALTER TABLE `user_teachers` CHANGE `authority` `authority` TINYINT( 3 ) DEFAULT '3' NOT NULL ");
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}
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return true;
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}
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?>
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