Marina Glancy
233 lines
6.8 KiB
PHP
233 lines
6.8 KiB
PHP
<?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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defined('MOODLE_INTERNAL') || die();
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require_once(__DIR__.'/test_moodle_database.php');
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require_once(__DIR__.'/../../moodle_read_slave_trait.php');
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/**
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* Database driver test class with 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 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 extends test_moodle_database {
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use moodle_read_slave_trait;
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/** @var string */
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protected $handle;
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/**
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* Does not connect to the database. Sets handle property to $dbhost
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* @param string $dbhost
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* @param string $dbuser
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* @param string $dbpass
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* @param string $dbname
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* @param mixed $prefix
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* @param array $dboptions
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* @return bool true
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*/
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public function raw_connect(string $dbhost, string $dbuser, string $dbpass, string $dbname, $prefix, array $dboptions = null): bool {
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$dbport = isset($dboptions['dbport']) ? $dboptions['dbport'] : "";
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$this->handle = implode(':', [$dbhost, $dbport, $dbuser, $dbpass]);
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$this->prefix = $prefix;
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if ($dbhost == 'test_ro_fail') {
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throw new dml_connection_exception($dbhost);
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}
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return true;
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}
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/**
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* Begin database transaction
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* @return void
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*/
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protected function begin_transaction() {
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}
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/**
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* Commit database transaction
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* @return void
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*/
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protected function commit_transaction() {
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}
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/**
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* Abort database transaction
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* @return void
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*/
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protected function rollback_transaction() {
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$this->txnhandle = $this->handle;
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}
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/**
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* Query wrapper that calls query_start() and query_end()
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* @param string $sql
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* @param array $params
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* @param int $querytype
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* @return string $handle handle property
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*/
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private function with_query_start_end($sql, array $params = null, $querytype) {
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$this->query_start($sql, $params, $querytype);
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$ret = $this->handle;
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$this->query_end(null);
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return $ret;
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}
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/**
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* get_dbhwrite()
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* @return string $dbhwrite handle property
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*/
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public function get_dbhwrite() {
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return $this->dbhwrite;
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}
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/**
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* Calls with_query_start_end()
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* @param string $sql
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* @param array $params
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* @return bool true
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* @throws Exception
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*/
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public function execute($sql, array $params = null) {
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list($sql, $params, $type) = $this->fix_sql_params($sql, $params);
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return $this->with_query_start_end($sql, $params, SQL_QUERY_UPDATE);
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}
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/**
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* get_records_sql() override, calls with_query_start_end()
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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, $limitnum = 0) {
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list($sql, $params, $type) = $this->fix_sql_params($sql, $params);
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return $this->with_query_start_end($sql, $params, SQL_QUERY_SELECT);
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}
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/**
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* Calls with_query_start_end()
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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, $limitnum = 0) {
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list($sql, $params, $type) = $this->fix_sql_params($sql, $params);
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return $this->with_query_start_end($sql, $params, SQL_QUERY_SELECT);
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}
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/**
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* Calls with_query_start_end()
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* @param string $table
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* @param array $params
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* @param bool $returnid
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* @param bool $bulk
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* @param bool $customsequence
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* @return string $handle handle property
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*/
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public function insert_record_raw($table, $params, $returnid = true, $bulk = false, $customsequence = false) {
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$fields = implode(',', array_keys($params));
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$i = 1;
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foreach ($params as $value) {
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$values[] = "\$".$i++;
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}
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$values = implode(',', $values);
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$sql = "INSERT INTO {$this->prefix}$table ($fields) VALUES($values)";
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return $this->with_query_start_end($sql, $params, SQL_QUERY_INSERT);
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}
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/**
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* Calls with_query_start_end()
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* @param string $table
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* @param array $params
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* @param bool $bulk
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* @return string $handle handle property
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*/
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public function update_record_raw($table, $params, $bulk = false) {
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$id = $params['id'];
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unset($params['id']);
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$i = 1;
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$sets = array();
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foreach ($params as $field => $value) {
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$sets[] = "$field = \$".$i++;
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}
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$params[] = $id;
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$sets = implode(',', $sets);
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$sql = "UPDATE {$this->prefix}$table SET $sets WHERE id=\$".$i;
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return $this->with_query_start_end($sql, $params, SQL_QUERY_UPDATE);
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}
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/**
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* Gets handle property
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* @return string $handle handle property
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*/
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protected function get_db_handle() {
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return $this->handle;
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}
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/**
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* Sets handle property
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* @param string $dbh
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* @return void
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*/
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protected function set_db_handle($dbh): void {
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$this->handle = $dbh;
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}
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/**
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* Add temptable
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* @param string $temptable
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* @return void
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*/
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public function add_temptable($temptable) {
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$this->temptables->add_temptable($temptable);
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}
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/**
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* Remove temptable
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* @param string $temptable
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* @return void
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*/
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public function delete_temptable($temptable) {
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$this->temptables->delete_temptable($temptable);
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}
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/**
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* Is session lock supported in this driver?
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* @return bool
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*/
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public function session_lock_supported() {
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return true;
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}
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}
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