David Mudrak
34 lines
948 B
PHP
34 lines
948 B
PHP
<?php
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/**
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* Performs upgrade of the database structure and data
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*
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* @param int $oldversion the version we are upgrading from
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* @return bool result
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*/
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function xmldb_workshop_upgrade($oldversion=0) {
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global $CFG, $THEME, $db;
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$result = true;
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//===== 1.9.0 upgrade line ======//
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if ($result && $oldversion < 2007101510) {
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$orphans = get_records_sql("SELECT wa.id
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FROM {$CFG->prefix}workshop_assessments wa
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LEFT JOIN {$CFG->prefix}workshop_submissions ws ON wa.submissionid = ws.id
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WHERE ws.id IS NULL");
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if (!empty($orphans)) {
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notify('Orphaned assessment records found - cleaning...');
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foreach (array_keys($orphans) as $waid) {
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$result = $result && delete_records('workshop_assessments', 'id', $waid);
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}
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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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