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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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 * Database driver test class for testing moodle_read_slave_trait
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 *
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 * @package    core
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 * @category   dml
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 * @copyright  2018 Srdjan Janković, Catalyst IT
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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namespace core;
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defined('MOODLE_INTERNAL') || die();
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require_once(__DIR__.'/read_slave_moodle_database.php');
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/**
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 * Database driver mock test class that uses read_slave_moodle_recordset_special
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 *
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 * @package    core
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 * @category   dml
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 * @copyright  2018 Catalyst IT
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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class read_slave_moodle_database_special extends read_slave_moodle_database {
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    /**
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     * Returns empty array
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     * @param string $sql the SQL select query to execute.
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     * @param array $params array of sql parameters
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     * @param int $limitfrom return a subset of records, starting at this point (optional).
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     * @param int $limitnum return a subset comprising this many records (optional, required if $limitfrom is set).
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     * @return string $handle handle property
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     */
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    public function get_records_sql($sql, array $params = null, $limitfrom = 0, $limitnum = 0) {
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        $dbhandle = parent::get_records_sql($sql, $params);
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        return [];
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    }
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    /**
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     * Returns read_slave_moodle_database::get_records_sql()
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     * For the tests where we need both fake result and dbhandle info.
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     * @param string $sql the SQL select query to execute.
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     * @param array $params array of sql parameters
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     * @param int $limitfrom return a subset of records, starting at this point (optional).
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     * @param int $limitnum return a subset comprising this many records (optional, required if $limitfrom is set).
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     * @return string $handle handle property
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     */
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    public function get_records_sql_p($sql, array $params = null, $limitfrom = 0, $limitnum = 0) {
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        return parent::get_records_sql($sql, $params);
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    }
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    /**
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     * Returns fake recordset
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     * @param string $sql
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     * @param array $params
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     * @param int $limitfrom
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     * @param int $limitnum
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     * @return bool true
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     */
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    public function get_recordset_sql($sql, array $params = null, $limitfrom = 0, $limitnum = 0) {
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        $dbhandle = parent::get_recordset_sql($sql, $params);
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        return new read_slave_moodle_recordset_special();
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    }
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    /**
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     * Count the records in a table where all the given conditions met.
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     *
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     * @param string $table The table to query.
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     * @param array $conditions optional array $fieldname=>requestedvalue with AND in between
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     * @return int The count of records returned from the specified criteria.
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     */
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    public function count_records($table, array $conditions = null) {
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        return 1;
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    }
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}
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/**
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 * Database recordset mock test class
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 *
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 * @package    core
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 * @category   dml
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 * @copyright  2018 Catalyst IT
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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class read_slave_moodle_recordset_special extends \moodle_recordset {
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    /**
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     * Iterator interface
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     * @return void
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     */
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    public function close() {
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    }
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    /**
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     * Iterator interface
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     * @return \stdClass
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     */
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    public function current(): \stdClass {
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        return new \stdClass();
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    }
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    /**
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     * Iterator interface
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     * @return void
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     */
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    public function next(): void {
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    }
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    /**
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     * Iterator interface
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     * @return mixed
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     */
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    #[\ReturnTypeWillChange]
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    public function key() {
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    }
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    /**
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     * Iterator interface
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     * @return bool
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     */
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    public function valid(): bool {
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        return false;
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    }
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}