--- /dev/null
+<?php
+/**
+ * This is the MySQL 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
+ */
+namespace Wikimedia\Rdbms;
+
+/**
+ * Database abstraction object for PHP extension mysql.
+ *
+ * @deprecated 1.30 PHP extension 'mysql' was deprecated in PHP 5.5 and removed in PHP 7.0.
+ * @see PHP extension 'mysqli' and DatabaseMysqli
+ *
+ * @ingroup Database
+ * @see Database
+ */
+class DatabaseMysql extends DatabaseMysqlBase {
+ /**
+ * @param string $sql
+ * @return resource False on error
+ */
+ protected function doQuery( $sql ) {
+ $conn = $this->getBindingHandle();
+
+ if ( $this->bufferResults() ) {
+ $ret = mysql_query( $sql, $conn );
+ } else {
+ $ret = mysql_unbuffered_query( $sql, $conn );
+ }
+
+ return $ret;
+ }
+
+ /**
+ * @param string $realServer
+ * @return bool|resource MySQL Database connection or false on failure to connect
+ * @throws DBConnectionError
+ */
+ protected function mysqlConnect( $realServer ) {
+ # Avoid a suppressed fatal error, which is very hard to track down
+ if ( !extension_loaded( 'mysql' ) ) {
+ throw new DBConnectionError(
+ $this,
+ "MySQL functions missing, have you compiled PHP with the --with-mysql option?\n"
+ );
+ }
+
+ $connFlags = 0;
+ if ( $this->mFlags & self::DBO_SSL ) {
+ $connFlags |= MYSQL_CLIENT_SSL;
+ }
+ if ( $this->mFlags & self::DBO_COMPRESS ) {
+ $connFlags |= MYSQL_CLIENT_COMPRESS;
+ }
+
+ if ( ini_get( 'mysql.connect_timeout' ) <= 3 ) {
+ $numAttempts = 2;
+ } else {
+ $numAttempts = 1;
+ }
+
+ $conn = false;
+
+ # The kernel's default SYN retransmission period is far too slow for us,
+ # so we use a short timeout plus a manual retry. Retrying means that a small
+ # but finite rate of SYN packet loss won't cause user-visible errors.
+ for ( $i = 0; $i < $numAttempts && !$conn; $i++ ) {
+ if ( $i > 1 ) {
+ usleep( 1000 );
+ }
+ if ( $this->mFlags & self::DBO_PERSISTENT ) {
+ $conn = mysql_pconnect( $realServer, $this->mUser, $this->mPassword, $connFlags );
+ } else {
+ # Create a new connection...
+ $conn = mysql_connect( $realServer, $this->mUser, $this->mPassword, true, $connFlags );
+ }
+ }
+
+ return $conn;
+ }
+
+ /**
+ * @param string $charset
+ * @return bool
+ */
+ protected function mysqlSetCharset( $charset ) {
+ $conn = $this->getBindingHandle();
+
+ if ( function_exists( 'mysql_set_charset' ) ) {
+ return mysql_set_charset( $charset, $conn );
+ } else {
+ return $this->query( 'SET NAMES ' . $charset, __METHOD__ );
+ }
+ }
+
+ /**
+ * @return bool
+ */
+ protected function closeConnection() {
+ $conn = $this->getBindingHandle();
+
+ return mysql_close( $conn );
+ }
+
+ /**
+ * @return int
+ */
+ function insertId() {
+ $conn = $this->getBindingHandle();
+
+ return mysql_insert_id( $conn );
+ }
+
+ /**
+ * @return int
+ */
+ function lastErrno() {
+ if ( $this->mConn ) {
+ return mysql_errno( $this->mConn );
+ } else {
+ return mysql_errno();
+ }
+ }
+
+ /**
+ * @return int
+ */
+ function affectedRows() {
+ $conn = $this->getBindingHandle();
+
+ return mysql_affected_rows( $conn );
+ }
+
+ /**
+ * @param string $db
+ * @return bool
+ */
+ function selectDB( $db ) {
+ $conn = $this->getBindingHandle();
+
+ $this->mDBname = $db;
+
+ return mysql_select_db( $db, $conn );
+ }
+
+ protected function mysqlFreeResult( $res ) {
+ return mysql_free_result( $res );
+ }
+
+ protected function mysqlFetchObject( $res ) {
+ return mysql_fetch_object( $res );
+ }
+
+ protected function mysqlFetchArray( $res ) {
+ return mysql_fetch_array( $res );
+ }
+
+ protected function mysqlNumRows( $res ) {
+ return mysql_num_rows( $res );
+ }
+
+ protected function mysqlNumFields( $res ) {
+ return mysql_num_fields( $res );
+ }
+
+ protected function mysqlFetchField( $res, $n ) {
+ return mysql_fetch_field( $res, $n );
+ }
+
+ protected function mysqlFieldName( $res, $n ) {
+ return mysql_field_name( $res, $n );
+ }
+
+ protected function mysqlFieldType( $res, $n ) {
+ return mysql_field_type( $res, $n );
+ }
+
+ protected function mysqlDataSeek( $res, $row ) {
+ return mysql_data_seek( $res, $row );
+ }
+
+ protected function mysqlError( $conn = null ) {
+ return ( $conn !== null ) ? mysql_error( $conn ) : mysql_error(); // avoid warning
+ }
+
+ protected function mysqlRealEscapeString( $s ) {
+ $conn = $this->getBindingHandle();
+
+ return mysql_real_escape_string( (string)$s, $conn );
+ }
+}
+
+class_alias( DatabaseMysql::class, 'DatabaseMysql' );