-<?php
-/**
- * This is the MySQLi database abstraction layer.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- * @file
- * @ingroup Database
- */
-
-/**
- * Database abstraction object for PHP extension mysqli.
- *
- * @ingroup Database
- * @since 1.22
- * @see Database
- */
-class DatabaseMysqli extends DatabaseMysqlBase {
-
- /**
- * @param $sql string
- * @return resource
- */
- protected function doQuery( $sql ) {
- if ( $this->bufferResults() ) {
- $ret = $this->mConn->query( $sql );
- } else {
- $ret = $this->mConn->query( $sql, MYSQLI_USE_RESULT );
- }
- return $ret;
- }
-
- protected function mysqlConnect( $realServer ) {
- # Fail now
- # Otherwise we get a suppressed fatal error, which is very hard to track down
- if ( !function_exists( 'mysqli_init' ) ) {
- throw new DBConnectionError( $this, "MySQLi functions missing,"
- . " have you compiled PHP with the --with-mysqli option?\n" );
- }
-
- $connFlags = 0;
- if ( $this->mFlags & DBO_SSL ) {
- $connFlags |= MYSQLI_CLIENT_SSL;
- }
- if ( $this->mFlags & DBO_COMPRESS ) {
- $connFlags |= MYSQLI_CLIENT_COMPRESS;
- }
- if ( $this->mFlags & DBO_PERSISTENT ) {
- $realServer = 'p:' . $realServer;
- }
-
- $mysqli = mysqli_init();
- $numAttempts = 2;
-
- for ( $i = 0; $i < $numAttempts; $i++ ) {
- if ( $i > 1 ) {
- usleep( 1000 );
- }
- if ( $mysqli->real_connect( $realServer, $this->mUser,
- $this->mPassword, $this->mDBname, null, null, $connFlags ) )
- {
- return $mysqli;
- }
- }
-
- return false;
- }
-
- /**
- * @return bool
- */
- protected function closeConnection() {
- return $this->mConn->close();
- }
-
- /**
- * @return int
- */
- function insertId() {
- return $this->mConn->insert_id;
- }
-
- /**
- * @return int
- */
- function lastErrno() {
- if ( $this->mConn ) {
- return $this->mConn->errno;
- } else {
- return mysqli_connect_errno();
- }
- }
-
- /**
- * @return int
- */
- function affectedRows() {
- return $this->mConn->affected_rows;
- }
-
- /**
- * @param $db
- * @return bool
- */
- function selectDB( $db ) {
- $this->mDBname = $db;
- return $this->mConn->select_db( $db );
- }
-
- /**
- * @return string
- */
- function getServerVersion() {
- return $this->mConn->server_info;
- }
-
- protected function mysqlFreeResult( $res ) {
- $res->free_result();
- return true;
- }
-
- protected function mysqlFetchObject( $res ) {
- $object = $res->fetch_object();
- if ( $object === null ) {
- return false;
- }
- return $object;
- }
-
- protected function mysqlFetchArray( $res ) {
- $array = $res->fetch_array();
- if ( $array === null ) {
- return false;
- }
- return $array;
- }
-
- protected function mysqlNumRows( $res ) {
- return $res->num_rows;
- }
-
- protected function mysqlNumFields( $res ) {
- return $res->field_count;
- }
-
- protected function mysqlFetchField( $res, $n ) {
- $field = $res->fetch_field_direct( $n );
- $field->not_null = $field->flags & MYSQLI_NOT_NULL_FLAG;
- $field->primary_key = $field->flags & MYSQLI_PRI_KEY_FLAG;
- $field->unique_key = $field->flags & MYSQLI_UNIQUE_KEY_FLAG;
- $field->multiple_key = $field->flags & MYSQLI_MULTIPLE_KEY_FLAG;
- $field->binary = $field->flags & MYSQLI_BINARY_FLAG;
- return $field;
- }
-
- protected function mysqlFieldName( $res, $n ) {
- $field = $res->fetch_field_direct( $n );
- return $field->name;
- }
-
- protected function mysqlDataSeek( $res, $row ) {
- return $res->data_seek( $row );
- }
-
- protected function mysqlError( $conn = null ) {
- if ($conn === null) {
- return mysqli_connect_error();
- } else {
- return $conn->error;
- }
- }
-
- protected function mysqlRealEscapeString( $s ) {
- return $this->mConn->real_escape_string( $s );
- }
-
- protected function mysqlPing() {
- return $this->mConn->ping();
- }
-
-}