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52 lines
1.6 KiB
PHP
52 lines
1.6 KiB
PHP
<?php //$Id$
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// This file keeps track of upgrades to
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// the lesson 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_lesson_upgrade($oldversion=0) {
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global $CFG, $THEME, $db;
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$result = true;
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if ($result && $oldversion < 2006091802) {
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/// Changing nullability of field response on table lesson_answers to null
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$table = new XMLDBTable('lesson_answers');
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$field = new XMLDBField('response');
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$field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'answer');
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/// Launch change of nullability for field response
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$result = $result && change_field_notnull($table, $field);
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}
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if ($result && $oldversion < 2006091803) {
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/// Changing nullability of field useranswer on table lesson_attempts to null
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$table = new XMLDBTable('lesson_attempts');
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$field = new XMLDBField('useranswer');
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$field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'correct');
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/// Launch change of nullability for field useranswer
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$result = $result && change_field_notnull($table, $field);
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}
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return $result;
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}
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?>
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