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70 lines
2.3 KiB
PHP
70 lines
2.3 KiB
PHP
<?php //$Id$
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// This file keeps track of upgrades to
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// the resource module
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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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// 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 installtion to the current version.
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//
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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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//
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// The commands in here will all be database-neutral,
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// using the functions defined in lib/ddllib.php
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function xmldb_resource_upgrade($oldversion=0) {
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global $CFG, $THEME, $db;
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$result = true;
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/// And upgrade begins here. For each one, you'll need one
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/// block of code similar to the next one. Please, delete
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/// this comment lines once this file start handling proper
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/// upgrade code.
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/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
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/// $result = result of "/lib/ddllib.php" function calls
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/// }
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if ($result && $oldversion < 2007011700) {
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//move format from options to reference field because it was colliding with course blocks setting
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execute_sql("UPDATE {$CFG->prefix}resource SET reference=options WHERE type='text' AND reference='' AND options!='showblocks';");
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//ignore result
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}
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if ($result && $oldversion < 2007012000) {
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/// Changing nullability of field summary on table resource to null
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$table = new XMLDBTable('resource');
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$field = new XMLDBField('summary');
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$field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'reference');
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/// Launch change of nullability for field summary
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$result = $result && change_field_notnull($table, $field);
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}
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if ($result && $oldversion < 2007012001) {
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if ($CFG->dbfamily == 'mysql') { // Only needed under mysql. The rest are long texts since ages
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/// Changing precision of field alltext on table resource to (medium)
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$table = new XMLDBTable('resource');
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$field = new XMLDBField('alltext');
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$field->setAttributes(XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null, null, null, 'summary');
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/// Launch change of precision for field alltext
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$result = $result && change_field_precision($table, $field);
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}
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}
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return $result;
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}
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?>
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