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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Function to upgrade tool_courserating.
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*
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* @package tool_courserating
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* @category upgrade
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* @copyright 2022 Marina Glancy <marina.glancy@gmail.com>
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* @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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/**
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* Function to upgrade tool_courserating.
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*
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* @param int $oldversion the version we are upgrading from
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* @return bool result
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*/
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function xmldb_tool_courserating_upgrade($oldversion) {
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global $CFG, $DB;
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$dbman = $DB->get_manager();
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if ($oldversion < 2022111300) {
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// Define index avgrating (not unique) to be dropped form tool_courserating_summary.
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$table = new xmldb_table('tool_courserating_summary');
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$index = new xmldb_index('avgrating', XMLDB_INDEX_NOTUNIQUE, ['avgrating']);
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// Conditionally launch drop index avgrating.
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if ($dbman->index_exists($table, $index)) {
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$dbman->drop_index($table, $index);
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}
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// Changing nullability of field avgrating on table tool_courserating_summary to null.
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$table = new xmldb_table('tool_courserating_summary');
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$field = new xmldb_field('avgrating', XMLDB_TYPE_NUMBER, '10, 2', null, null, null, null, 'cntall');
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// Launch change of nullability for field avgrating.
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$dbman->change_field_notnull($table, $field);
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$DB->execute('UPDATE {tool_courserating_summary} SET avgrating = NULL WHERE cntall = 0');
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// Define index avgrating (not unique) to be added to tool_courserating_summary.
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$table = new xmldb_table('tool_courserating_summary');
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$index = new xmldb_index('avgrating', XMLDB_INDEX_NOTUNIQUE, ['avgrating']);
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// Conditionally launch add index avgrating.
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if (!$dbman->index_exists($table, $index)) {
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$dbman->add_index($table, $index);
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}
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// Courserating savepoint reached.
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upgrade_plugin_savepoint(true, 2022111300, 'tool', 'courserating');
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}
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return true;
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}
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