License * - http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later * * @param $oldversion Number of the old version. */ require_once ($CFG->dirroot . '/mod/iassign/locallib.php'); function xmldb_iassign_upgrade ($oldversion) { global $CFG, $DB, $USER; $dbman = $DB->get_manager(); // Sequence of updates: // - 2020070613: structure // - 2020080300 // - 2020120500 // - 2020122900 // - 2021020700 // - 2021122300: new version iVProg "1.0.20211130" // - 2022011300: new version iVProg "1.0.20220113" if ($oldversion < 2020070613) { $table = new xmldb_table('iassign_submission'); $field = new xmldb_field('previous_grade', XMLDB_TYPE_FLOAT, null, null, null, null, null); if (!$dbman->field_exists($table, $field)) { $dbman->add_field($table, $field); } $records = array( // iLM adjusted to iAssign 2020/08/03 array_combine( // iGeom 5.9.22 array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate', 'reevaluate'), array('iGeom', 'http://www.matematica.br/igeom', '5.9.22', 'Java', '{"en":"Interactive Geometry on the Internet","pt_br":"Geometria Interativa na Internet"}', 'geo', 'ilm/iGeom/5.9.22/iGeom.jar', 'IGeomApplet.class', 800, 600, 1, time(), $USER->id, time(), 1, 0)), array_combine( // iGraf 4.4.0.10 array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate', 'reevaluate'), array('iGraf', 'http://www.matematica.br/igraf', '4.4.0.10', 'Java', '{"en":"Interactive Graphic on the Internet","pt_br":"Gráficos Interativos na Internet"}', 'grf', 'ilm/iGraf/4.4.0.10/iGraf.jar', 'igraf.IGraf.class', 840, 600, 1, time(), $USER->id, time(), 1, 0)), array_combine( // iHanoi 1.0.20200803 array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate', 'reevaluate'), array('iHanoi', 'http://www.matematica.br/ihanoi', '1.0.20200803', 'HTML5', '{"en":"interactive Tower os Hanoi (by LInE)", "pt_br":"Torres de Hanói (do LInE)"}', 'ihn', 'ilm/iHanoi/1.0.20200803/ihanoi/', 'index.html', 1100, 500, 1, time(), $USER->id, time(), 1, 0)), array_combine( // iVProg 1.0.20220113/ - HTML5 - 2020 array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate', 'reevaluate'), array('iVProg', 'http://www.usp.br/line/ivprog/', '1.0.20220113', 'HTML5', '{"en":"Visual Interactive Programming on the Internet (HTML)","pt_br":"Programação visual interativa na Internet"}', 'ivph', 'ilm/iVProg/1.0.20220113/ivprog/', 'index.html', 900, 700, 1, time(), $USER->id, time(), 1, 1)), array_combine( // iFractions 0.1.20200221 - HTML5 array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate', 'reevaluate'), array('iFractions', 'http://www.matematica.br/ifractions', '0.1.20200221', 'HTML5', '{"en":"Interactive Fractions game","pt_br":"Jogo interativa de frações"}', 'frc', 'ilm/iFractions/0.1.20200221/ifractions/', 'index.html', 1000, 600, 1, time(), $USER->id, time(), 1, 0)) ); $iassign_ilm = $DB->get_records('iassign_ilm'); $strNot_installed = ''; foreach ($records as $record) { // this version 'iassign_ilm' does not has field 'reevaluate' $newentry = new stdClass(); $newentry->name = $record['name']; $newentry->version = $record['version']; $newentry->type = $record['type']; $newentry->url = $record['url']; $newentry->description = $record['description']; $newentry->extension = $record['extension']; $newentry->file_jar = $record['file_jar']; $newentry->file_class = $record['file_class']; $newentry->width = $record['width']; $newentry->height = $record['height']; $newentry->enable = $record['enable']; $newentry->timemodified = time(); $newentry->author = $USER->id; $newentry->timecreated = time(); $newentry->evaluate = $record['evaluate']; $exists = 0; if ($iassign_ilm) { // Search if there is any iLM of this with this version $record_type = strtolower($record['type']); foreach ($iassign_ilm as $iassign) { if ($iassign->name == $record['name'] && strtolower($iassign->type) == $record_type) { if ($iassign->version == $record['version']) { // or with the one with the same version $exists = 1; // iLM found - exit with the last one, same version $strNot_installed .= "\n" . '
  • ' . $record['name'] . ';' . $record['type'] . ';' . $record['version'] . '
    • ' . "\n"; break; } } } } if ($exists == 0) try { // iLM does not exists or it has old version $DB->insert_record("iassign_ilm", $newentry, false); } catch (Exception $e) { print 'Caught exception: ' . $e->getMessage() . "
    \n"; } } // foreach ($records as $record) if ($strNot_installed != '') { // ATTENTION: this implies that Moodle administrator updated this iLM, please verify if it is really the current one. print '' . "\n"; } // Verify if each iLM previously installed is present in fresh new iAssign. This does not means problem, perhaps the admin installed a particular iLM. $strNot_found = ''; if ($iassign_ilm) { // exists iLM ($DB->get_records('iassign_ilm')) foreach ($iassign_ilm as $iassign) { $found = false; foreach ($records as $record) { if ($iassign->name == $record['name']) { $found = true; break; } } if (!$found) { $strNot_found .= '
  • ' . $iassign->name . ' - ' . $iassign->url . '
    • ' . "\n"; $updateentry = new stdClass(); $updateentry->id = $iassign->id; $updateentry->enable = 0; $updateentry->timemodified = time(); $DB->update_record("iassign_ilm", $updateentry); // insert new iLM } } // foreach ($iassign_ilm as $iassign) } // if ($iassign_ilm) if ($strNot_found != '') { print '' . "\n"; } } // if ($oldversion < 2020070613) if ($oldversion < 2020070613) { $table = new xmldb_table('iassign_ilm'); $field = new xmldb_field('reevaluate'); $field->set_attributes(XMLDB_TYPE_INTEGER, '1', null, XMLDB_NOTNULL, null, '0', null, null, null); if (!$dbman->field_exists($table, $field)) { // if 'iassign_ilm.reevaluate' does not exist, then create this field $dbman->add_field($table, $field); } $iassign_ilm = $DB->get_records('iassign_ilm'); foreach ($iassign_ilm as $iassign) { // If already installed iVProg/JS or iHanoi/JS set it with re-evaluate feature if ($iassign->type == 'HTML5' && ($iassign->name == 'iVProg' || $iassign->name == 'iHanoi')) { $updateentry = new stdClass(); $updateentry->id = $iassign->id; $updateentry->reevaluate = 1; $updateentry->timemodified = time(); $DB->update_record("iassign_ilm", $updateentry); break; } } } // if ($oldversion < 2020070612) $strNot_installed = ''; if ($oldversion < 2020080300) { // new iHanoi // iassign_submission . grade : from 'BIGINT(11)' to 'real' if ($dbman->field_exists('iassign', 'grade')) { $sql = 'ALTER TABLE {iassign} CHANGE grade grade FLOAT NOT NULL DEFAULT 0.0'; $DB->execute($sql); } if ($dbman->field_exists('iassign_statement', 'grade')) { $sql = 'ALTER TABLE {iassign_statement} CHANGE grade grade FLOAT NOT NULL DEFAULT 0.0'; $DB->execute($sql); } if ($dbman->field_exists('iassign_submission', 'grade')) { $sql = 'ALTER TABLE {iassign_submission} CHANGE grade grade FLOAT NOT NULL DEFAULT 0.0'; $DB->execute($sql); } if ($dbman->field_exists('iassign_submission', 'previous_grade')) { // $sql = 'ALTER TABLE {iassign_submission} CHANGE previous_grade previous_grade REAL NOT NULL DEFAULT 0.0'; // Invalid use of NULL value $sql = 'ALTER TABLE {iassign_submission} CHANGE previous_grade previous_grade FLOAT DEFAULT 0.0'; $DB->execute($sql); } // Update iHanoi $records = array( array_combine( // iHanoi 1.0.20200803 array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'evaluate', 'reevaluate', 'author', 'timecreated'), array('iHanoi', 'http://www.matematica.br/ihanoi', '1.0.20200803', 'HTML5', '{"en":"interactive Tower os Hanoi (by LInE)", "pt_br":"Torres de Hanói (do LInE)"}', 'ihn', 'ilm/iHanoi/1.0.20200803/ihanoi/', 'index.html', 1100, 500, 1, time(), 1, 1, $USER->id, time())) ); $iassign_ilm = $DB->get_records('iassign_ilm'); foreach ($records as $record) { // For each iLM in the current version of iAssign $newentry = new stdClass(); $newentry->name = $record['name']; $newentry->version = $record['version']; $newentry->type = $record['type']; $newentry->description = $record['description']; $newentry->url = $record['url']; $newentry->extension = $record['extension']; $newentry->file_jar = $record['file_jar']; $newentry->file_class = $record['file_class']; $newentry->width = $record['width']; $newentry->height = $record['height']; $newentry->enable = $record['enable']; $newentry->timemodified = time(); $newentry->evaluate = $record['evaluate']; $newentry->reevaluate = $record['reevaluate']; $newentry->author = $USER->id; $newentry->timecreated = time(); $exists = 0; $last_id = -1; if ($iassign_ilm) { // Search if there is any previous installed iLM that is also in the current version of iAssign $record_type = strtolower($record['type']); foreach ($iassign_ilm as $iassign) { if ($iassign->name == $record['name'] && strtolower($iassign->type) == $record_type) { if ($iassign->id > $last_id) $last_id = $iassign->id; // last ID => last version (hopefully) if ($iassign->version == $record['version']) { // or with the one with the same version $exists = 1; // iLM found - exit with the last one, same version $strNot_installed .= "\n" . '
  • ' . $record['name'] . ';' . $record['type'] . ';' . $record['version'] . '
    • ' . "\n"; break; } } } } if ($exists == 0) { // iLM does not exists or it has old version $newentry->parent = $record['parent']; $DB->insert_record("iassign_ilm", $newentry, false); } } // foreach ($records as $record) if ($strNot_installed != '') { print '' . "\n"; } // iassign_ilm: atualizou iHanoi existente, mas nao era isso! Deveria ter inserido novo! // id name version type ... parent file_jar file_class width height ... evaluate reevaluate // 53 iHanoi 2 HTML5 ... 0 ilm/iHanoi/2/ihanoi/ index.html 1100 700 ... 1 0 $iassign_ilm = $DB->get_records('iassign_ilm'); foreach ($iassign_ilm as $iassign) { // for iLM iHanoi update the new field 'reevaluate' as 1 if ($iassign->name == 'iHanoi' && $iassign->type == 'HTML5' && $iassign->reevaluate!=1) { $updateentry = new stdClass(); $updateentry->id = $iassign->id; $updateentry->reevaluate = 1; $updateentry->timemodified = time(); $DB->update_record("iassign_ilm", $updateentry); break; } } // iAssign savepoint reached. upgrade_mod_savepoint(true, 2020080300, 'iassign'); } // if ($oldversion < 2020080300) //TODO Codigo do Igor para atualizar 'files.itemid' e 'iassign_statement.filesid': if ($oldversion < 2020120500) { // Adding field iassing_statement.filesid $table = new xmldb_table('iassign_statement'); $field_filesid = new xmldb_field('filesid', XMLDB_TYPE_CHAR, '255', null, null, null, null, null); if (!$dbman->field_exists($table, $field_filesid)) $dbman->add_field($table, $field_filesid); // Updating all registers from iassing_statement.filesid try { //2021/10/10: $DB->execute("UPDATE {iassign_statement} SET filesid = file"); $DB->execute("UPDATE {iassign_statement} SET filesid = file WHERE file IS NOT NULL"); //2021/10/10: } catch (Exception $ex) { } // avoid error with 'text' activity (activity with no file!) // 1. encontrar os contextos dos arquivos do itarefa: $iassign_contexts_list = $DB->get_records_sql("SELECT DISTINCT contextid FROM {files} f WHERE component='mod_iassign'"); // 2. compor um array com todos os contextos encontrados: $contexts = array(); foreach ($iassign_contexts_list as $iassign_context_item) { array_push($contexts, $iassign_context_item->contextid); } // 3. encontrar todas as atividades do itarefa, em que o arquivo não tenha o mesmo id do statement: $iassign_statement_list = $DB->get_records_sql("SELECT * FROM {iassign_statement} s WHERE s.id != s.file"); $fs = get_file_storage(); // 4. percorrer o conjunto de atividades: foreach ($iassign_statement_list as $iassign_statement_activity_item) { // 5. encontrar o arquivo, considerando os possíveis contextos: $files = array(); foreach ($contexts as $context) { $files = $fs->get_area_files($context, 'mod_iassign', 'exercise', $iassign_statement_activity_item->file); // 6. se o arquivo for encontrado, fazer uma cópia do conteúdo, // com o itemid novo, atualizar o iassign_statement, e apagar o arquivo antigo: if ($files) { foreach ($files as $value) { if ($value != null && $value->get_filename() != ".") { // 6.A. Fazer uma cópia: $newfile = $fs->create_file_from_storedfile(array('contextid' => $context, 'component' => 'mod_iassign', 'filearea' => 'exercise', 'itemid' => $iassign_statement_activity_item->id), $value); // 6.B. Atualizar o registro da atividade para o arquivo novo: $update_entry = new stdClass(); $update_entry->id = $iassign_statement_activity_item->id; $update_entry->file = $newfile->get_itemid(); $update_entry->filesid = $newfile->get_itemid(); $DB->update_record("iassign_statement", $update_entry); // 6.C. Remover o arquivo antigo: $value->delete(); } else if ($value != null && $value->get_filename() == ".") { // 6.C.I. Remover também os indicadores de diretório: $value->delete(); } } break; } // if ($files) } // foreach ($contexts as $context) } // foreach ($iassign_statement_list as $iassign_statement_activity_item) } // if ($oldversion < 2020120500) /// @Igor - add table 'iassign_allsubmissions' if ($oldversion < 2020122900) { // Define table iassign_allsubmissions to be created. $table = new xmldb_table('iassign_allsubmissions'); // Adding fields to table iassign_allsubmissions. $table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE, null); $table->add_field('iassign_statementid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null); $table->add_field('userid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null); $table->add_field('timecreated', XMLDB_TYPE_INTEGER, '16', null, XMLDB_NOTNULL, null, null); $table->add_field('grade', XMLDB_TYPE_FLOAT, null, null, null, null, null, null); $table->add_field('answer', XMLDB_TYPE_TEXT, 'long', null, null, null, null, null); // Adding keys to table iassign_allsubmissions. $table->add_key('primary', XMLDB_KEY_PRIMARY, ['id']); // Conditionally launch create table for iassign_allsubmissions. if (!$dbman->table_exists($table)) { $dbman->create_table($table); } // Adding fields to table iassign_ilm. $table = new xmldb_table('iassign_ilm'); $field_editingbehavior = new xmldb_field('editingbehavior', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', null); if (!$dbman->field_exists($table, $field_editingbehavior)) $dbman->add_field($table, $field_editingbehavior); $field_submissionbehavior = new xmldb_field('submissionbehavior', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', null); if (!$dbman->field_exists($table, $field_submissionbehavior)) $dbman->add_field($table, $field_submissionbehavior); $field_action_buttons = new xmldb_field('action_buttons', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '1', null); if (!$dbman->field_exists($table, $field_action_buttons)) $dbman->add_field($table, $field_action_buttons); // Adding field to table iassign_statement: $table = new xmldb_table('iassign_statement'); $field_store_all_submissions = new xmldb_field('store_all_submissions', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, '0', null); if (!$dbman->field_exists($table, $field_store_all_submissions)) $dbman->add_field($table, $field_store_all_submissions); // Update new fields for previous installed iLM: $iassign_ilm = $DB->get_records('iassign_ilm'); foreach ($iassign_ilm as $iassign) { $updateentry = new stdClass(); $updateentry->id = $iassign->id; if (($iassign->name == 'iHanoi' && $iassign->type == 'HTML5')) { $updateentry->editingbehavior = 0; $updateentry->submissionbehavior = 0; } if (($iassign->name == 'iGeom' && $iassign->type == 'Java')) { $updateentry->editingbehavior = 0; $updateentry->submissionbehavior = 0; } if (($iassign->name == 'iVProg' && $iassign->type == 'HTML5')) { $updateentry->editingbehavior = 1; $updateentry->submissionbehavior = 0; } if (($iassign->name == 'iFractions' && $iassign->type == 'HTML5')) { $updateentry->editingbehavior = 0; $updateentry->submissionbehavior = 1; } if (($iassign->name == 'Risko' && $iassign->type == 'Java')) { $updateentry->editingbehavior = 1; $updateentry->submissionbehavior = 0; } if (isset($updateentry->editingbehavior)) { $updateentry->timemodified = time(); $DB->update_record("iassign_ilm", $updateentry); } } // Add iassign_allsubmissions table $table = new xmldb_table('iassign_allsubmissions'); if (!$dbman->table_exists($table)) { $field1 = new xmldb_field('id'); $field1->set_attributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null); $field2 = new xmldb_field('iassign_statementid'); $field2->set_attributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null); $field3 = new xmldb_field('userid'); $field3->set_attributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null); $field4 = new xmldb_field('timecreated'); $field4->set_attributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null); $field5 = new xmldb_field('grade'); $field5->set_attributes(XMLDB_TYPE_FLOAT, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null); $field6 = new xmldb_field('answer'); $field6->set_attributes(XMLDB_TYPE_TEXT, 'long', null, null, null, null, 'type'); $table->addIndex($field1); $table->addField($field2); $table->addField($field3); $table->addField($field4); $table->addField($field5); $table->addField($field6); $dbman->create_table($table); } // if (!$dbman->table_exists($table)) // Update file_jar field: try { $DB->execute("ALTER TABLE {iassign_ilm} DROP INDEX {iassilm_fil_uix}"); } catch (Exception $ex) {} // Create $CFG->dataroot/temp/iassign_files $tempfilespath = $CFG->dataroot . DIRECTORY_SEPARATOR . 'temp'; if (!file_exists($tempfilespath)) { mkdir($tempfilespath, 0777, true); } $iassignfilespath = $tempfilespath . DIRECTORY_SEPARATOR . 'iassign_files'; if (!file_exists($iassignfilespath)) { mkdir($iassignfilespath, 0777, true); } } // if ($oldversion < 2020122900) if ($oldversion < 2021020700) { // Update SAW iVProg to inform reevalute is enabled: $updateentry = new stdClass(); $updateentry->id = 57; $updateentry->reevaluate = 1; $updateentry->timemodified = time(); $DB->update_record("iassign_ilm", $updateentry); // insert new iLM } $strNot_installed = ''; if ($oldversion < 2021122300) { // 2021/12/23 // Update iVProg $records = array( array_combine( // iVProg 1.0.20220113/ - HTML5 - 2021/12/30 array('name', 'url', 'version', 'type', 'description', 'extension', 'file_jar', 'file_class', 'width', 'height', 'enable', 'timemodified', 'author', 'timecreated', 'evaluate', 'reevaluate'), array('iVProg', 'http://www.usp.br/line/ivprog/', '1.0.20220113', 'HTML5', '{"en":"Visual Interactive Programming on the Internet (HTML)","pt_br":"Programação visual interativa na Internet"}', 'ivph', 'ilm/iVProg/1.0.20220113/ivprog/', 'index.html', 900, 700, 1, time(), $USER->id, time(), 1, 1)) ); $iassign_ilm = $DB->get_records('iassign_ilm'); foreach ($records as $record) { // For each iLM in the current version of iAssign $newentry = new stdClass(); $newentry->name = $record['name']; $newentry->url = $record['url']; $newentry->version = $record['version']; $newentry->type = $record['type']; $newentry->description = $record['description']; $newentry->extension = $record['extension']; $newentry->file_jar = $record['file_jar']; $newentry->file_class = $record['file_class']; $newentry->width = $record['width']; $newentry->height = $record['height']; $newentry->enable = $record['enable']; $newentry->timemodified = time(); $newentry->author = $USER->id; $newentry->timecreated = time(); $newentry->evaluate = $record['evaluate']; $newentry->reevaluate = $record['reevaluate']; $exists = 0; $last_id = -1; if ($iassign_ilm) { // Search if there is any previous installed iLM that is also in the current version of iAssign $record_type = strtolower($record['type']); foreach ($iassign_ilm as $iassign) { if ($iassign->name == $record['name'] && strtolower($iassign->type) == $record_type) { if ($iassign->id > $last_id) $last_id = $iassign->id; // last ID => last version (hopefully) if ($iassign->version == $record['version']) { // or with the one with the same version $exists = 1; // iLM found - exit with the last one, same version $strNot_installed .= "\n" . '
  • ' . $record['name'] . ';' . $record['type'] . ';' . $record['version'] . '
    • ' . "\n"; break; } } } $newentry->parent = $last_id; // parent is the last iLM found (corresponde to the smallest ID) } else $newentry->parent = -1; // first iLM of this one if ($exists == 0) { // iLM does not exists or it has old version // $newentry->parent = $record['parent']; $DB->insert_record("iassign_ilm", $newentry, false); } } // foreach ($records as $record) if ($strNot_installed != '') { print '' . "\n"; } // iassign_ilm: atualizou iHanoi existente, mas nao era isso! Deveria ter inserido novo! // id name version type ... parent file_jar file_class width height ... evaluate reevaluate // 53 iHanoi 2 HTML5 ... 0 ilm/iHanoi/2/ihanoi/ index.html 1100 700 ... 1 0 $iassign_ilm = $DB->get_records('iassign_ilm'); foreach ($iassign_ilm as $iassign) { // for iLM iHanoi update the new field 'reevaluate' as 1 if ($iassign->name == 'iHanoi' && $iassign->type == 'HTML5' && $iassign->reevaluate!=1) { $updateentry = new stdClass(); $updateentry->id = $iassign->id; $updateentry->reevaluate = 1; $updateentry->timemodified = time(); $DB->update_record("iassign_ilm", $updateentry); break; } } // iAssign savepoint reached. upgrade_mod_savepoint(true, 2021122300, 'iassign'); } // if ($oldversion < 2021122300) // log event ----------------------------------------------------- if (class_exists('plugin_manager')) $pluginman = plugin_manager::instance(); else $pluginman = core_plugin_manager::instance(); $plugins = $pluginman->get_plugins(); iassign_log::add_log('upgrade', 'version: ' . $plugins['mod']['iassign']->versiondisk); // log event ----------------------------------------------------- return true; } // function xmldb_iassign_upgrade($oldversion)