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Moving from DBA to Database

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This commit is contained in:
Philipp Holzer 2019-06-07 00:10:45 +02:00
commit 082634adbc
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GPG key ID: D8365C3D36B77D90
11 changed files with 1778 additions and 1211 deletions
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2
bin/daemon.php
View file

@ -144,7 +144,7 @@ if (!$foreground) {
file_put_contents($pidfile, $pid);
// We lose the database connection upon forking
Factory\DBFactory::init($a->getConfigCache(), $a->getProfiler(), $_SERVER);
$a->getDatabase()->reconnect();
}
Config::set('system', 'worker_daemon_mode', true);

2
include/dba.php
View file

@ -18,7 +18,7 @@ function q($sql) {
$args = func_get_args();
unset($args[0]);
if (!DBA::$connected) {
if (!DBA::connected()) {
return false;
}

18
src/App.php
View file

@ -12,6 +12,7 @@ use Friendica\Core\Config\Cache\IConfigCache;
use Friendica\Core\Config\Configuration;
use Friendica\Core\Hook;
use Friendica\Core\Theme;
use Friendica\Database\Database;
use Friendica\Database\DBA;
use Friendica\Model\Profile;
use Friendica\Network\HTTPException;
@ -122,6 +123,11 @@ class App
*/
private $profiler;
/**
* @var Database The Friendica database connection
*/
private $database;
/**
* Returns the current config cache of this node
*
@ -193,6 +199,14 @@ class App
return $this->router;
}
/**
* @return Database
*/
public function getDatabase()
{
return $this->database;
}
/**
* Register a stylesheet file path to be included in the <head> tag of every page.
* Inclusion is done in App->initHead().
@ -232,6 +246,7 @@ class App
/**
* @brief App constructor.
*
* @param Database $database The Friendica Database
* @param Configuration $config The Configuration
* @param App\Mode $mode The mode of this Friendica app
* @param App\Router $router The router of this Friendica app
@ -242,10 +257,11 @@ class App
*
* @throws Exception if the Basepath is not usable
*/
public function __construct(Configuration $config, App\Mode $mode, App\Router $router, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, $isBackend = true)
public function __construct(Database $database, Configuration $config, App\Mode $mode, App\Router $router, BaseURL $baseURL, LoggerInterface $logger, Profiler $profiler, $isBackend = true)
{
BaseObject::setApp($this);
$this->database = $database;
$this->config = $config;
$this->mode = $mode;
$this->router = $router;

1283
src/Database/DBA.php
View file

@ -2,17 +2,11 @@
namespace Friendica\Database;
use Friendica\Core\Config\Cache\IConfigCache;
use Friendica\Core\System;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Profiler;
use mysqli;
use mysqli_result;
use mysqli_stmt;
use PDO;
use PDOException;
use PDOStatement;
use Psr\Log\LoggerInterface;
/**
* @class MySQL database class
@ -30,133 +24,19 @@ class DBA
*/
const NULL_DATETIME = '0001-01-01 00:00:00';
public static $connected = false;
/**
* @var Database
*/
private static $database;
/**
* @var IConfigCache
*/
private static $configCache;
/**
* @var Profiler
*/
private static $profiler;
/**
* @var LoggerInterface
*/
private static $logger;
private static $server_info = '';
/** @var PDO|mysqli */
private static $connection;
private static $driver;
private static $error = false;
private static $errorno = 0;
private static $affected_rows = 0;
private static $in_transaction = false;
private static $in_retrial = false;
private static $relation = [];
private static $db_serveraddr = '';
private static $db_user = '';
private static $db_pass = '';
private static $db_name = '';
private static $db_charset = '';
public static function connect(IConfigCache $configCache, Profiler $profiler, LoggerInterface $logger, $serveraddr, $user, $pass, $db, $charset = null)
public static function init(Database $database)
{
if (!is_null(self::$connection) && self::connected()) {
return true;
self::$database = $database;
}
// We are storing these values for being able to perform a reconnect
self::$configCache = $configCache;
self::$profiler = $profiler;
self::$logger = $logger;
self::$db_serveraddr = $serveraddr;
self::$db_user = $user;
self::$db_pass = $pass;
self::$db_name = $db;
self::$db_charset = $charset;
$port = 0;
$serveraddr = trim($serveraddr);
$serverdata = explode(':', $serveraddr);
$server = $serverdata[0];
if (count($serverdata) > 1) {
$port = trim($serverdata[1]);
}
$server = trim($server);
$user = trim($user);
$pass = trim($pass);
$db = trim($db);
$charset = trim($charset);
if (!(strlen($server) && strlen($user))) {
return false;
}
if (class_exists('\PDO') && in_array('mysql', PDO::getAvailableDrivers())) {
self::$driver = 'pdo';
$connect = "mysql:host=".$server.";dbname=".$db;
if ($port > 0) {
$connect .= ";port=".$port;
}
if ($charset) {
$connect .= ";charset=".$charset;
}
try {
self::$connection = @new PDO($connect, $user, $pass);
self::$connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
self::$connected = true;
} catch (PDOException $e) {
/// @TODO At least log exception, don't ignore it!
}
}
if (!self::$connected && class_exists('\mysqli')) {
self::$driver = 'mysqli';
if ($port > 0) {
self::$connection = @new mysqli($server, $user, $pass, $db, $port);
} else {
self::$connection = @new mysqli($server, $user, $pass, $db);
}
if (!mysqli_connect_errno()) {
self::$connected = true;
if ($charset) {
self::$connection->set_charset($charset);
}
}
}
// No suitable SQL driver was found.
if (!self::$connected) {
self::$driver = null;
self::$connection = null;
}
return self::$connected;
}
/**
* Sets the logger for DBA
*
* @note this is necessary because if we want to load the logger configuration
* from the DB, but there's an error, we would print out an exception.
* So the logger gets updated after the logger configuration can be retrieved
* from the database
*
* @param LoggerInterface $logger
*/
public static function setLogger(LoggerInterface $logger)
public static function connect()
{
self::$logger = $logger;
return self::$database->connect();
}
/**
@ -164,29 +44,15 @@ class DBA
*/
public static function disconnect()
{
if (is_null(self::$connection)) {
return;
}
switch (self::$driver) {
case 'pdo':
self::$connection = null;
break;
case 'mysqli':
self::$connection->close();
self::$connection = null;
break;
}
self::$database->disconnect();
}
/**
* Perform a reconnect of an existing database connection
*/
public static function reconnect() {
self::disconnect();
$ret = self::connect(self::$configCache, self::$profiler, self::$logger, self::$db_serveraddr, self::$db_user, self::$db_pass, self::$db_name, self::$db_charset);
return $ret;
public static function reconnect()
{
return self::$database->reconnect();
}
/**
@ -195,7 +61,7 @@ class DBA
*/
public static function getConnection()
{
return self::$connection;
return self::$database->getConnection();
}
/**
@ -206,18 +72,9 @@ class DBA
*
* @return string
*/
public static function serverInfo() {
if (self::$server_info == '') {
switch (self::$driver) {
case 'pdo':
self::$server_info = self::$connection->getAttribute(PDO::ATTR_SERVER_VERSION);
break;
case 'mysqli':
self::$server_info = self::$connection->server_info;
break;
}
}
return self::$server_info;
public static function serverInfo()
{
return self::$database->serverInfo();
}
/**
@ -226,116 +83,19 @@ class DBA
* @return string
* @throws \Exception
*/
public static function databaseName() {
$ret = self::p("SELECT DATABASE() AS `db`");
$data = self::toArray($ret);
return $data[0]['db'];
}
/**
* @brief Analyze a database query and log this if some conditions are met.
*
* @param string $query The database query that will be analyzed
* @throws \Exception
*/
private static function logIndex($query) {
if (!self::$configCache->get('system', 'db_log_index')) {
return;
}
// Don't explain an explain statement
if (strtolower(substr($query, 0, 7)) == "explain") {
return;
}
// Only do the explain on "select", "update" and "delete"
if (!in_array(strtolower(substr($query, 0, 6)), ["select", "update", "delete"])) {
return;
}
$r = self::p("EXPLAIN ".$query);
if (!self::isResult($r)) {
return;
}
$watchlist = explode(',', self::$configCache->get('system', 'db_log_index_watch'));
$blacklist = explode(',', self::$configCache->get('system', 'db_log_index_blacklist'));
while ($row = self::fetch($r)) {
if ((intval(self::$configCache->get('system', 'db_loglimit_index')) > 0)) {
$log = (in_array($row['key'], $watchlist) &&
($row['rows'] >= intval(self::$configCache->get('system', 'db_loglimit_index'))));
} else {
$log = false;
}
if ((intval(self::$configCache->get('system', 'db_loglimit_index_high')) > 0) && ($row['rows'] >= intval(self::$configCache->get('system', 'db_loglimit_index_high')))) {
$log = true;
}
if (in_array($row['key'], $blacklist) || ($row['key'] == "")) {
$log = false;
}
if ($log) {
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
@file_put_contents(self::$configCache->get('system', 'db_log_index'), DateTimeFormat::utcNow()."\t".
$row['key']."\t".$row['rows']."\t".$row['Extra']."\t".
basename($backtrace[1]["file"])."\t".
$backtrace[1]["line"]."\t".$backtrace[2]["function"]."\t".
substr($query, 0, 2000)."\n", FILE_APPEND);
}
}
}
/**
* Removes every not whitelisted character from the identifier string
*
* @param string $identifier
*
* @return string sanitized identifier
* @throws \Exception
*/
private static function sanitizeIdentifier($identifier)
public static function databaseName()
{
return preg_replace('/[^A-Za-z0-9_\-]+/', '', $identifier);
return self::$database->databaseName();
}
public static function escape($str) {
if (self::$connected) {
switch (self::$driver) {
case 'pdo':
return substr(@self::$connection->quote($str, PDO::PARAM_STR), 1, -1);
case 'mysqli':
return @self::$connection->real_escape_string($str);
}
} else {
return str_replace("'", "\\'", $str);
}
public static function escape($str)
{
return self::$database->escape($str);
}
public static function connected() {
$connected = false;
if (is_null(self::$connection)) {
return false;
}
switch (self::$driver) {
case 'pdo':
$r = self::p("SELECT 1");
if (self::isResult($r)) {
$row = self::toArray($r);
$connected = ($row[0]['1'] == '1');
}
break;
case 'mysqli':
$connected = self::$connection->ping();
break;
}
return $connected;
public static function connected()
{
return self::$database->connected();
}
/**
@ -349,13 +109,9 @@ class DBA
* @param string $sql An SQL string without the values
* @return string The input SQL string modified if necessary.
*/
public static function anyValueFallback($sql) {
$server_info = self::serverInfo();
if (version_compare($server_info, '5.7.5', '<') ||
(stripos($server_info, 'MariaDB') !== false)) {
$sql = str_ireplace('ANY_VALUE(', 'MIN(', $sql);
}
return $sql;
public static function anyValueFallback($sql)
{
return self::$database->anyValueFallback($sql);
}
/**
@ -367,7 +123,8 @@ class DBA
* @param string $sql An SQL string without the values
* @return string The input SQL string modified if necessary.
*/
public static function cleanQuery($sql) {
public static function cleanQuery($sql)
{
$search = ["\t", "\n", "\r", " "];
$replace = [' ', ' ', ' ', ' '];
do {
@ -378,38 +135,13 @@ class DBA
return $sql;
}
/**
* @brief Replaces the ? placeholders with the parameters in the $args array
*
* @param string $sql SQL query
* @param array $args The parameters that are to replace the ? placeholders
* @return string The replaced SQL query
*/
private static function replaceParameters($sql, $args) {
$offset = 0;
foreach ($args AS $param => $value) {
if (is_int($args[$param]) || is_float($args[$param])) {
$replace = intval($args[$param]);
} else {
$replace = "'".self::escape($args[$param])."'";
}
$pos = strpos($sql, '?', $offset);
if ($pos !== false) {
$sql = substr_replace($sql, $replace, $pos, 1);
}
$offset = $pos + strlen($replace);
}
return $sql;
}
/**
* @brief Convert parameter array to an universal form
* @param array $args Parameter array
* @return array universalized parameter array
*/
private static function getParam($args) {
public static function getParam($args)
{
unset($args[0]);
// When the second function parameter is an array then use this as the parameter array
@ -431,227 +163,11 @@ class DBA
* @return bool|object statement object or result object
* @throws \Exception
*/
public static function p($sql) {
$stamp1 = microtime(true);
public static function p($sql)
{
$params = self::getParam(func_get_args());
// Renumber the array keys to be sure that they fit
$i = 0;
$args = [];
foreach ($params AS $param) {
// Avoid problems with some MySQL servers and boolean values. See issue #3645
if (is_bool($param)) {
$param = (int)$param;
}
$args[++$i] = $param;
}
if (!self::$connected) {
return false;
}
if ((substr_count($sql, '?') != count($args)) && (count($args) > 0)) {
// Question: Should we continue or stop the query here?
self::$logger->warning('Query parameters mismatch.', ['query' => $sql, 'args' => $args, 'callstack' => System::callstack()]);
}
$sql = self::cleanQuery($sql);
$sql = self::anyValueFallback($sql);
$orig_sql = $sql;
if (self::$configCache->get('system', 'db_callstack') !== null) {
$sql = "/*".System::callstack()." */ ".$sql;
}
self::$error = '';
self::$errorno = 0;
self::$affected_rows = 0;
// We have to make some things different if this function is called from "e"
$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2);
if (isset($trace[1])) {
$called_from = $trace[1];
} else {
// We use just something that is defined to avoid warnings
$called_from = $trace[0];
}
// We are having an own error logging in the function "e"
$called_from_e = ($called_from['function'] == 'e');
switch (self::$driver) {
case 'pdo':
// If there are no arguments we use "query"
if (count($args) == 0) {
if (!$retval = self::$connection->query($sql)) {
$errorInfo = self::$connection->errorInfo();
self::$error = $errorInfo[2];
self::$errorno = $errorInfo[1];
$retval = false;
break;
}
self::$affected_rows = $retval->rowCount();
break;
}
/** @var $stmt mysqli_stmt|PDOStatement */
if (!$stmt = self::$connection->prepare($sql)) {
$errorInfo = self::$connection->errorInfo();
self::$error = $errorInfo[2];
self::$errorno = $errorInfo[1];
$retval = false;
break;
}
foreach ($args AS $param => $value) {
if (is_int($args[$param])) {
$data_type = PDO::PARAM_INT;
} else {
$data_type = PDO::PARAM_STR;
}
$stmt->bindParam($param, $args[$param], $data_type);
}
if (!$stmt->execute()) {
$errorInfo = $stmt->errorInfo();
self::$error = $errorInfo[2];
self::$errorno = $errorInfo[1];
$retval = false;
} else {
$retval = $stmt;
self::$affected_rows = $retval->rowCount();
}
break;
case 'mysqli':
// There are SQL statements that cannot be executed with a prepared statement
$parts = explode(' ', $orig_sql);
$command = strtolower($parts[0]);
$can_be_prepared = in_array($command, ['select', 'update', 'insert', 'delete']);
// The fallback routine is called as well when there are no arguments
if (!$can_be_prepared || (count($args) == 0)) {
$retval = self::$connection->query(self::replaceParameters($sql, $args));
if (self::$connection->errno) {
self::$error = self::$connection->error;
self::$errorno = self::$connection->errno;
$retval = false;
} else {
if (isset($retval->num_rows)) {
self::$affected_rows = $retval->num_rows;
} else {
self::$affected_rows = self::$connection->affected_rows;
}
}
break;
}
$stmt = self::$connection->stmt_init();
if (!$stmt->prepare($sql)) {
self::$error = $stmt->error;
self::$errorno = $stmt->errno;
$retval = false;
break;
}
$param_types = '';
$values = [];
foreach ($args AS $param => $value) {
if (is_int($args[$param])) {
$param_types .= 'i';
} elseif (is_float($args[$param])) {
$param_types .= 'd';
} elseif (is_string($args[$param])) {
$param_types .= 's';
} else {
$param_types .= 'b';
}
$values[] = &$args[$param];
}
if (count($values) > 0) {
array_unshift($values, $param_types);
call_user_func_array([$stmt, 'bind_param'], $values);
}
if (!$stmt->execute()) {
self::$error = self::$connection->error;
self::$errorno = self::$connection->errno;
$retval = false;
} else {
$stmt->store_result();
$retval = $stmt;
self::$affected_rows = $retval->affected_rows;
}
break;
}
// We are having an own error logging in the function "e"
if ((self::$errorno != 0) && !$called_from_e) {
// We have to preserve the error code, somewhere in the logging it get lost
$error = self::$error;
$errorno = self::$errorno;
self::$logger->error('DB Error', [
'code' => self::$errorno,
'error' => self::$error,
'callstack' => System::callstack(8),
'params' => self::replaceParameters($sql, $args),
]);
// On a lost connection we try to reconnect - but only once.
if ($errorno == 2006) {
if (self::$in_retrial || !self::reconnect()) {
// It doesn't make sense to continue when the database connection was lost
if (self::$in_retrial) {
self::$logger->notice('Giving up retrial because of database error', [
'code' => self::$errorno,
'error' => self::$error,
]);
} else {
self::$logger->notice('Couldn\'t reconnect after database error', [
'code' => self::$errorno,
'error' => self::$error,
]);
}
exit(1);
} else {
// We try it again
self::$logger->notice('Reconnected after database error', [
'code' => self::$errorno,
'error' => self::$error,
]);
self::$in_retrial = true;
$ret = self::p($sql, $args);
self::$in_retrial = false;
return $ret;
}
}
self::$error = $error;
self::$errorno = $errorno;
}
self::$profiler->saveTimestamp($stamp1, 'database', System::callstack());
if (self::$configCache->get('system', 'db_log')) {
$stamp2 = microtime(true);
$duration = (float)($stamp2 - $stamp1);
if (($duration > self::$configCache->get('system', 'db_loglimit'))) {
$duration = round($duration, 3);
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
@file_put_contents(self::$configCache->get('system', 'db_log'), DateTimeFormat::utcNow()."\t".$duration."\t".
basename($backtrace[1]["file"])."\t".
$backtrace[1]["line"]."\t".$backtrace[2]["function"]."\t".
substr(self::replaceParameters($sql, $args), 0, 2000)."\n", FILE_APPEND);
}
}
return $retval;
return self::$database->p($sql, $params);
}
/**
@ -665,57 +181,9 @@ class DBA
*/
public static function e($sql) {
$stamp = microtime(true);
$params = self::getParam(func_get_args());
// In a case of a deadlock we are repeating the query 20 times
$timeout = 20;
do {
$stmt = self::p($sql, $params);
if (is_bool($stmt)) {
$retval = $stmt;
} elseif (is_object($stmt)) {
$retval = true;
} else {
$retval = false;
}
self::close($stmt);
} while ((self::$errorno == 1213) && (--$timeout > 0));
if (self::$errorno != 0) {
// We have to preserve the error code, somewhere in the logging it get lost
$error = self::$error;
$errorno = self::$errorno;
self::$logger->error('DB Error', [
'code' => self::$errorno,
'error' => self::$error,
'callstack' => System::callstack(8),
'params' => self::replaceParameters($sql, $params),
]);
// On a lost connection we simply quit.
// A reconnect like in self::p could be dangerous with modifications
if ($errorno == 2006) {
self::$logger->notice('Giving up because of database error', [
'code' => self::$errorno,
'error' => self::$error,
]);
exit(1);
}
self::$error = $error;
self::$errorno = $errorno;
}
self::$profiler->saveTimestamp($stamp, "database_write", System::callstack());
return $retval;
return self::$database->e($sql, $params);
}
/**
@ -727,34 +195,9 @@ class DBA
* @return boolean Are there rows for that condition?
* @throws \Exception
*/
public static function exists($table, $condition) {
if (empty($table)) {
return false;
}
$fields = [];
if (empty($condition)) {
return DBStructure::existsTable($table);
}
reset($condition);
$first_key = key($condition);
if (!is_int($first_key)) {
$fields = [$first_key];
}
$stmt = self::select($table, $fields, $condition, ['limit' => 1]);
if (is_bool($stmt)) {
$retval = $stmt;
} else {
$retval = (self::numRows($stmt) > 0);
}
self::close($stmt);
return $retval;
public static function exists($table, $condition)
{
return self::$database->exists($table, $condition);
}
/**
@ -767,20 +210,11 @@ class DBA
* @return array first row of query
* @throws \Exception
*/
public static function fetchFirst($sql) {
public static function fetchFirst($sql)
{
$params = self::getParam(func_get_args());
$stmt = self::p($sql, $params);
if (is_bool($stmt)) {
$retval = $stmt;
} else {
$retval = self::fetch($stmt);
}
self::close($stmt);
return $retval;
return self::$database->fetchFirst($sql, $params);
}
/**
@ -788,8 +222,9 @@ class DBA
*
* @return int Number of rows
*/
public static function affectedRows() {
return self::$affected_rows;
public static function affectedRows()
{
return self::$database->affectedRows();
}
/**
@ -798,17 +233,9 @@ class DBA
* @param object Statement object
* @return int Number of columns
*/
public static function columnCount($stmt) {
if (!is_object($stmt)) {
return 0;
}
switch (self::$driver) {
case 'pdo':
return $stmt->columnCount();
case 'mysqli':
return $stmt->field_count;
}
return 0;
public static function columnCount($stmt)
{
return self::$database->columnCount($stmt);
}
/**
* @brief Returns the number of rows of a statement
@ -816,17 +243,9 @@ class DBA
* @param PDOStatement|mysqli_result|mysqli_stmt Statement object
* @return int Number of rows
*/
public static function numRows($stmt) {
if (!is_object($stmt)) {
return 0;
}
switch (self::$driver) {
case 'pdo':
return $stmt->rowCount();
case 'mysqli':
return $stmt->num_rows;
}
return 0;
public static function numRows($stmt)
{
return self::$database->numRows($stmt);
}
/**
@ -835,79 +254,9 @@ class DBA
* @param mixed $stmt statement object
* @return array current row
*/
public static function fetch($stmt) {
$stamp1 = microtime(true);
$columns = [];
if (!is_object($stmt)) {
return false;
}
switch (self::$driver) {
case 'pdo':
$columns = $stmt->fetch(PDO::FETCH_ASSOC);
break;
case 'mysqli':
if (get_class($stmt) == 'mysqli_result') {
$columns = $stmt->fetch_assoc();
break;
}
// This code works, but is slow
// Bind the result to a result array
$cols = [];
$cols_num = [];
for ($x = 0; $x < $stmt->field_count; $x++) {
$cols[] = &$cols_num[$x];
}
call_user_func_array([$stmt, 'bind_result'], $cols);
if (!$stmt->fetch()) {
return false;
}
// The slow part:
// We need to get the field names for the array keys
// It seems that there is no better way to do this.
$result = $stmt->result_metadata();
$fields = $result->fetch_fields();
foreach ($cols_num AS $param => $col) {
$columns[$fields[$param]->name] = $col;
}
}
self::$profiler->saveTimestamp($stamp1, 'database', System::callstack());
return $columns;
}
/**
* @brief Insert a row into a table
*
* @param string/array $table Table name
*
* @return string formatted and sanitzed table name
* @throws \Exception
*/
public static function formatTableName($table)
public static function fetch($stmt)
{
if (is_string($table)) {
return "`" . self::sanitizeIdentifier($table) . "`";
}
if (!is_array($table)) {
return '';
}
$scheme = key($table);
return "`" . self::sanitizeIdentifier($scheme) . "`.`" . self::sanitizeIdentifier($table[$scheme]) . "`";
return self::$database->fetch($stmt);
}
/**
@ -920,24 +269,9 @@ class DBA
* @return boolean was the insert successful?
* @throws \Exception
*/
public static function insert($table, $param, $on_duplicate_update = false) {
if (empty($table) || empty($param)) {
self::$logger->info('Table and fields have to be set');
return false;
}
$sql = "INSERT INTO " . self::formatTableName($table) . " (`".implode("`, `", array_keys($param))."`) VALUES (".
substr(str_repeat("?, ", count($param)), 0, -2).")";
if ($on_duplicate_update) {
$sql .= " ON DUPLICATE KEY UPDATE `".implode("` = ?, `", array_keys($param))."` = ?";
$values = array_values($param);
$param = array_merge_recursive($values, $values);
}
return self::e($sql, $param);
public static function insert($table, $param, $on_duplicate_update = false)
{
return self::$database->insert($table, $param, $on_duplicate_update);
}
/**
@ -945,16 +279,9 @@ class DBA
*
* @return integer Last inserted id
*/
public static function lastInsertId() {
switch (self::$driver) {
case 'pdo':
$id = self::$connection->lastInsertId();
break;
case 'mysqli':
$id = self::$connection->insert_id;
break;
}
return $id;
public static function lastInsertId()
{
return self::$database->lastInsertId();
}
/**
@ -967,31 +294,9 @@ class DBA
* @return boolean was the lock successful?
* @throws \Exception
*/
public static function lock($table) {
// See here: https://dev.mysql.com/doc/refman/5.7/en/lock-tables-and-transactions.html
if (self::$driver == 'pdo') {
self::e("SET autocommit=0");
self::$connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, true);
} else {
self::$connection->autocommit(false);
}
$success = self::e("LOCK TABLES " . self::formatTableName($table) ." WRITE");
if (self::$driver == 'pdo') {
self::$connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
}
if (!$success) {
if (self::$driver == 'pdo') {
self::e("SET autocommit=1");
} else {
self::$connection->autocommit(true);
}
} else {
self::$in_transaction = true;
}
return $success;
public static function lock($table)
{
return self::$database->lock($table);
}
/**
@ -1000,25 +305,9 @@ class DBA
* @return boolean was the unlock successful?
* @throws \Exception
*/
public static function unlock() {
// See here: https://dev.mysql.com/doc/refman/5.7/en/lock-tables-and-transactions.html
self::performCommit();
if (self::$driver == 'pdo') {
self::$connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, true);
}
$success = self::e("UNLOCK TABLES");
if (self::$driver == 'pdo') {
self::$connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
self::e("SET autocommit=1");
} else {
self::$connection->autocommit(true);
}
self::$in_transaction = false;
return $success;
public static function unlock()
{
return self::$database->unlock();
}
/**
@ -1026,44 +315,9 @@ class DBA
*
* @return boolean Was the command executed successfully?
*/
public static function transaction() {
if (!self::performCommit()) {
return false;
}
switch (self::$driver) {
case 'pdo':
if (!self::$connection->inTransaction() && !self::$connection->beginTransaction()) {
return false;
}
break;
case 'mysqli':
if (!self::$connection->begin_transaction()) {
return false;
}
break;
}
self::$in_transaction = true;
return true;
}
private static function performCommit()
public static function transaction()
{
switch (self::$driver) {
case 'pdo':
if (!self::$connection->inTransaction()) {
return true;
}
return self::$connection->commit();
case 'mysqli':
return self::$connection->commit();
}
return true;
return self::$database->transaction();
}
/**
@ -1071,12 +325,9 @@ class DBA
*
* @return boolean Was the command executed successfully?
*/
public static function commit() {
if (!self::performCommit()) {
return false;
}
self::$in_transaction = false;
return true;
public static function commit()
{
return self::$database->commit();
}
/**
@ -1084,45 +335,9 @@ class DBA
*
* @return boolean Was the command executed successfully?
*/
public static function rollback() {
$ret = false;
switch (self::$driver) {
case 'pdo':
if (!self::$connection->inTransaction()) {
$ret = true;
break;
}
$ret = self::$connection->rollBack();
break;
case 'mysqli':
$ret = self::$connection->rollback();
break;
}
self::$in_transaction = false;
return $ret;
}
/**
* @brief Build the array with the table relations
*
* The array is build from the database definitions in DBStructure.php
*
* This process must only be started once, since the value is cached.
*/
private static function buildRelationData() {
$definition = DBStructure::definition(self::$configCache->get('system', 'basepath'));
foreach ($definition AS $table => $structure) {
foreach ($structure['fields'] AS $field => $field_struct) {
if (isset($field_struct['relation'])) {
foreach ($field_struct['relation'] AS $rel_table => $rel_field) {
self::$relation[$rel_table][$rel_field][$table][] = $field;
}
}
}
}
public static function rollback()
{
return self::$database->rollback();
}
/**
@ -1133,145 +348,13 @@ class DBA
* @param array $options
* - cascade: If true we delete records in other tables that depend on the one we're deleting through
* relations (default: true)
* @param array $callstack Internal use: prevent endless loops
*
* @return boolean was the delete successful?
* @throws \Exception
*/
public static function delete($table, array $conditions, array $options = [], array &$callstack = [])
public static function delete($table, array $conditions, array $options = [])
{
if (empty($table) || empty($conditions)) {
self::$logger->info('Table and conditions have to be set');
return false;
}
$commands = [];
// Create a key for the loop prevention
$key = $table . ':' . json_encode($conditions);
// We quit when this key already exists in the callstack.
if (isset($callstack[$key])) {
return $commands;
}
$callstack[$key] = true;
$table = self::sanitizeIdentifier($table);
$commands[$key] = ['table' => $table, 'conditions' => $conditions];
// Don't use "defaults" here, since it would set "false" to "true"
if (isset($options['cascade'])) {
$cascade = $options['cascade'];
} else {
$cascade = true;
}
// To speed up the whole process we cache the table relations
if ($cascade && count(self::$relation) == 0) {
self::buildRelationData();
}
// Is there a relation entry for the table?
if ($cascade && isset(self::$relation[$table])) {
// We only allow a simple "one field" relation.
$field = array_keys(self::$relation[$table])[0];
$rel_def = array_values(self::$relation[$table])[0];
// Create a key for preventing double queries
$qkey = $field . '-' . $table . ':' . json_encode($conditions);
// When the search field is the relation field, we don't need to fetch the rows
// This is useful when the leading record is already deleted in the frontend but the rest is done in the backend
if ((count($conditions) == 1) && ($field == array_keys($conditions)[0])) {
foreach ($rel_def AS $rel_table => $rel_fields) {
foreach ($rel_fields AS $rel_field) {
self::delete($rel_table, [$rel_field => array_values($conditions)[0]], $options, $callstack);
}
}
// We quit when this key already exists in the callstack.
} elseif (!isset($callstack[$qkey])) {
$callstack[$qkey] = true;
// Fetch all rows that are to be deleted
$data = self::select($table, [$field], $conditions);
while ($row = self::fetch($data)) {
self::delete($table, [$field => $row[$field]], $options, $callstack);
}
self::close($data);
// Since we had split the delete command we don't need the original command anymore
unset($commands[$key]);
}
}
// Now we finalize the process
$do_transaction = !self::$in_transaction;
if ($do_transaction) {
self::transaction();
}
$compacted = [];
$counter = [];
foreach ($commands AS $command) {
$conditions = $command['conditions'];
reset($conditions);
$first_key = key($conditions);
$condition_string = self::buildCondition($conditions);
if ((count($command['conditions']) > 1) || is_int($first_key)) {
$sql = "DELETE FROM `" . $command['table'] . "`" . $condition_string;
self::$logger->debug(self::replaceParameters($sql, $conditions));
if (!self::e($sql, $conditions)) {
if ($do_transaction) {
self::rollback();
}
return false;
}
} else {
$key_table = $command['table'];
$key_condition = array_keys($command['conditions'])[0];
$value = array_values($command['conditions'])[0];
// Split the SQL queries in chunks of 100 values
// We do the $i stuff here to make the code better readable
$i = isset($counter[$key_table][$key_condition]) ? $counter[$key_table][$key_condition] : 0;
if (isset($compacted[$key_table][$key_condition][$i]) && count($compacted[$key_table][$key_condition][$i]) > 100) {
++$i;
}
$compacted[$key_table][$key_condition][$i][$value] = $value;
$counter[$key_table][$key_condition] = $i;
}
}
foreach ($compacted AS $table => $values) {
foreach ($values AS $field => $field_value_list) {
foreach ($field_value_list AS $field_values) {
$sql = "DELETE FROM `" . $table . "` WHERE `" . $field . "` IN (" .
substr(str_repeat("?, ", count($field_values)), 0, -2) . ");";
self::$logger->debug(self::replaceParameters($sql, $field_values));
if (!self::e($sql, $field_values)) {
if ($do_transaction) {
self::rollback();
}
return false;
}
}
}
}
if ($do_transaction) {
self::commit();
}
return true;
return self::$database->delete($table, $conditions, $options);
}
/**
@ -1303,53 +386,9 @@ class DBA
* @return boolean was the update successfull?
* @throws \Exception
*/
public static function update($table, $fields, $condition, $old_fields = []) {
if (empty($table) || empty($fields) || empty($condition)) {
self::$logger->info('Table, fields and condition have to be set');
return false;
}
$condition_string = self::buildCondition($condition);
if (is_bool($old_fields)) {
$do_insert = $old_fields;
$old_fields = self::selectFirst($table, [], $condition);
if (is_bool($old_fields)) {
if ($do_insert) {
$values = array_merge($condition, $fields);
return self::insert($table, $values, $do_insert);
}
$old_fields = [];
}
}
$do_update = (count($old_fields) == 0);
foreach ($old_fields AS $fieldname => $content) {
if (isset($fields[$fieldname])) {
if (($fields[$fieldname] == $content) && !is_null($content)) {
unset($fields[$fieldname]);
} else {
$do_update = true;
}
}
}
if (!$do_update || (count($fields) == 0)) {
return true;
}
$sql = "UPDATE ". self::formatTableName($table) . " SET `".
implode("` = ?, `", array_keys($fields))."` = ?".$condition_string;
$params1 = array_values($fields);
$params2 = array_values($condition);
$params = array_merge_recursive($params1, $params2);
return self::e($sql, $params);
public static function update($table, $fields, $condition, $old_fields = [])
{
return self::$database->update($table, $fields, $condition, $old_fields);
}
/**
@ -1366,16 +405,7 @@ class DBA
*/
public static function selectFirst($table, array $fields = [], array $condition = [], $params = [])
{
$params['limit'] = 1;
$result = self::select($table, $fields, $condition, $params);
if (is_bool($result)) {
return $result;
} else {
$row = self::fetch($result);
self::close($result);
return $row;
}
return self::$database->selectFirst($table, $fields, $condition, $params);
}
/**
@ -1403,25 +433,7 @@ class DBA
*/
public static function select($table, array $fields = [], array $condition = [], array $params = [])
{
if (empty($table)) {
return false;
}
if (count($fields) > 0) {
$select_fields = "`" . implode("`, `", array_values($fields)) . "`";
} else {
$select_fields = "*";
}
$condition_string = self::buildCondition($condition);
$param_string = self::buildParameter($params);
$sql = "SELECT " . $select_fields . " FROM " . self::formatTableName($table) . $condition_string . $param_string;
$result = self::p($sql, $condition);
return $result;
return self::$database->select($table, $fields, $condition, $params);
}
/**
@ -1444,17 +456,7 @@ class DBA
*/
public static function count($table, array $condition = [])
{
if (empty($table)) {
return false;
}
$condition_string = self::buildCondition($condition);
$sql = "SELECT COUNT(*) AS `count` FROM " . self::formatTableName($table) . $condition_string;
$row = self::fetchFirst($sql, $condition);
return $row['count'];
return self::$database->count($table, $condition);
}
/**
@ -1584,19 +586,9 @@ class DBA
* @param bool $do_close
* @return array Data array
*/
public static function toArray($stmt, $do_close = true) {
if (is_bool($stmt)) {
return $stmt;
}
$data = [];
while ($row = self::fetch($stmt)) {
$data[] = $row;
}
if ($do_close) {
self::close($stmt);
}
return $data;
public static function toArray($stmt, $do_close = true)
{
return self::$database->toArray($stmt, $do_close);
}
/**
@ -1604,8 +596,9 @@ class DBA
*
* @return string Error number (0 if no error)
*/
public static function errorNo() {
return self::$errorno;
public static function errorNo()
{
return self::$database->errorNo();
}
/**
@ -1613,8 +606,9 @@ class DBA
*
* @return string Error message ('' if no error)
*/
public static function errorMessage() {
return self::$error;
public static function errorMessage()
{
return self::$database->errorMessage();
}
/**
@ -1623,37 +617,9 @@ class DBA
* @param object $stmt statement object
* @return boolean was the close successful?
*/
public static function close($stmt) {
$stamp1 = microtime(true);
if (!is_object($stmt)) {
return false;
}
switch (self::$driver) {
case 'pdo':
$ret = $stmt->closeCursor();
break;
case 'mysqli':
// MySQLi offers both a mysqli_stmt and a mysqli_result class.
// We should be careful not to assume the object type of $stmt
// because DBA::p() has been able to return both types.
if ($stmt instanceof mysqli_stmt) {
$stmt->free_result();
$ret = $stmt->close();
} elseif ($stmt instanceof mysqli_result) {
$stmt->free();
$ret = true;
} else {
$ret = false;
}
break;
}
self::$profiler->saveTimestamp($stamp1, 'database', System::callstack());
return $ret;
public static function close($stmt)
{
return self::$database->close($stmt);
}
/**
@ -1666,29 +632,7 @@ class DBA
*/
public static function processlist()
{
$ret = self::p("SHOW PROCESSLIST");
$data = self::toArray($ret);
$processes = 0;
$states = [];
foreach ($data as $process) {
$state = trim($process["State"]);
// Filter out all non blocking processes
if (!in_array($state, ["", "init", "statistics", "updating"])) {
++$states[$state];
++$processes;
}
}
$statelist = "";
foreach ($states as $state => $usage) {
if ($statelist != "") {
$statelist .= ", ";
}
$statelist .= $state.": ".$usage;
}
return(["list" => $statelist, "amount" => $processes]);
return self::$database->processlist();
}
/**
@ -1700,44 +644,7 @@ class DBA
*/
public static function isResult($array)
{
// It could be a return value from an update statement
if (is_bool($array)) {
return $array;
}
if (is_object($array)) {
return self::numRows($array) > 0;
}
return (is_array($array) && (count($array) > 0));
}
/**
* @brief Callback function for "esc_array"
*
* @param mixed $value Array value
* @param string $key Array key
* @param boolean $add_quotation add quotation marks for string values
* @return void
*/
private static function escapeArrayCallback(&$value, $key, $add_quotation)
{
if (!$add_quotation) {
if (is_bool($value)) {
$value = ($value ? '1' : '0');
} else {
$value = self::escape($value);
}
return;
}
if (is_bool($value)) {
$value = ($value ? 'true' : 'false');
} elseif (is_float($value) || is_integer($value)) {
$value = (string) $value;
} else {
$value = "'" . self::escape($value) . "'";
}
return self::$database->isResult($array);
}
/**
@ -1749,6 +656,6 @@ class DBA
*/
public static function escapeArray(&$arr, $add_quotation = false)
{
array_walk($arr, 'self::escapeArrayCallback', $add_quotation);
return self::$database->escapeArray($arr, $add_quotation);
}
}

1642
src/Database/Database.php Normal file
View file

@ -0,0 +1,1642 @@
<?php
namespace Friendica\Database;
use Friendica\Core\Config\Cache\IConfigCache;
use Friendica\Core\System;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Profiler;
use mysqli;
use mysqli_result;
use mysqli_stmt;
use ParagonIE\HiddenString\HiddenString;
use PDO;
use PDOException;
use PDOStatement;
use Psr\Log\LoggerInterface;
/**
* @class MySQL database class
*
* This class is for the low level database stuff that does driver specific things.
*/
class Database
{
private $connected = false;
/**
* @var IConfigCache
*/
private $configCache;
/**
* @var Profiler
*/
private $profiler;
/**
* @var LoggerInterface
*/
private $logger;
private $server_info = '';
private $connection;
private $driver;
private $error = false;
private $errorno = 0;
private $affected_rows = 0;
private $in_transaction = false;
private $in_retrial = false;
private $relation = [];
private $db_serveraddr;
private $db_user;
/**
* @var HiddenString
*/
private $db_pass;
private $db_name;
private $db_charset;
public function __construct(IConfigCache $configCache, Profiler $profiler, LoggerInterface $logger, $serveraddr, $user, HiddenString $pass, $db, $charset = null)
{
// We are storing these values for being able to perform a reconnect
$this->configCache = $configCache;
$this->profiler = $profiler;
$this->logger = $logger;
$this->db_serveraddr = $serveraddr;
$this->db_user = $user;
$this->db_pass = $pass;
$this->db_name = $db;
$this->db_charset = $charset;
$this->connect();
DBA::init($this);
}
public function connect()
{
if (!is_null($this->connection) && $this->connected()) {
return true;
}
$port = 0;
$serveraddr = trim($this->db_serveraddr);
$serverdata = explode(':', $serveraddr);
$server = $serverdata[0];
if (count($serverdata) > 1) {
$port = trim($serverdata[1]);
}
$server = trim($server);
$user = trim($this->db_user);
$pass = trim($this->db_pass);
$db = trim($this->db_name);
$charset = trim($this->db_charset);
if (!(strlen($server) && strlen($user))) {
return false;
}
if (class_exists('\PDO') && in_array('mysql', PDO::getAvailableDrivers())) {
$this->driver = 'pdo';
$connect = "mysql:host=" . $server . ";dbname=" . $db;
if ($port > 0) {
$connect .= ";port=" . $port;
}
if ($charset) {
$connect .= ";charset=" . $charset;
}
try {
$this->connection = @new PDO($connect, $user, $pass);
$this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
$this->connected = true;
} catch (PDOException $e) {
/// @TODO At least log exception, don't ignore it!
}
}
if (!$this->connected && class_exists('\mysqli')) {
$this->driver = 'mysqli';
if ($port > 0) {
$this->connection = @new mysqli($server, $user, $pass, $db, $port);
} else {
$this->connection = @new mysqli($server, $user, $pass, $db);
}
if (!mysqli_connect_errno()) {
$this->connected = true;
if ($charset) {
$this->connection->set_charset($charset);
}
}
}
// No suitable SQL driver was found.
if (!$this->connected) {
$this->driver = null;
$this->connection = null;
}
return $this->connected;
}
/**
* Sets the logger for DBA
*
* @note this is necessary because if we want to load the logger configuration
* from the DB, but there's an error, we would print out an exception.
* So the logger gets updated after the logger configuration can be retrieved
* from the database
*
* @param LoggerInterface $logger
*/
public function setLogger(LoggerInterface $logger)
{
$this->logger = $logger;
}
/**
* Disconnects the current database connection
*/
public function disconnect()
{
if (is_null($this->connection)) {
return;
}
switch ($this->driver) {
case 'pdo':
$this->connection = null;
break;
case 'mysqli':
$this->connection->close();
$this->connection = null;
break;
}
}
/**
* Perform a reconnect of an existing database connection
*/
public function reconnect()
{
$this->disconnect();
return $this->connect();
}
/**
* Return the database object.
*
* @return PDO|mysqli
*/
public function getConnection()
{
return $this->connection;
}
/**
* @brief Returns the MySQL server version string
*
* This function discriminate between the deprecated mysql API and the current
* object-oriented mysqli API. Example of returned string: 5.5.46-0+deb8u1
*
* @return string
*/
public function serverInfo()
{
if ($this->server_info == '') {
switch ($this->driver) {
case 'pdo':
$this->server_info = $this->connection->getAttribute(PDO::ATTR_SERVER_VERSION);
break;
case 'mysqli':
$this->server_info = $this->connection->server_info;
break;
}
}
return $this->server_info;
}
/**
* @brief Returns the selected database name
*
* @return string
* @throws \Exception
*/
public function databaseName()
{
$ret = $this->p("SELECT DATABASE() AS `db`");
$data = $this->toArray($ret);
return $data[0]['db'];
}
/**
* @brief Analyze a database query and log this if some conditions are met.
*
* @param string $query The database query that will be analyzed
*
* @throws \Exception
*/
private function logIndex($query)
{
if (!$this->configCache->get('system', 'db_log_index')) {
return;
}
// Don't explain an explain statement
if (strtolower(substr($query, 0, 7)) == "explain") {
return;
}
// Only do the explain on "select", "update" and "delete"
if (!in_array(strtolower(substr($query, 0, 6)), ["select", "update", "delete"])) {
return;
}
$r = $this->p("EXPLAIN " . $query);
if (!$this->isResult($r)) {
return;
}
$watchlist = explode(',', $this->configCache->get('system', 'db_log_index_watch'));
$blacklist = explode(',', $this->configCache->get('system', 'db_log_index_blacklist'));
while ($row = $this->fetch($r)) {
if ((intval($this->configCache->get('system', 'db_loglimit_index')) > 0)) {
$log = (in_array($row['key'], $watchlist) &&
($row['rows'] >= intval($this->configCache->get('system', 'db_loglimit_index'))));
} else {
$log = false;
}
if ((intval($this->configCache->get('system', 'db_loglimit_index_high')) > 0) && ($row['rows'] >= intval($this->configCache->get('system', 'db_loglimit_index_high')))) {
$log = true;
}
if (in_array($row['key'], $blacklist) || ($row['key'] == "")) {
$log = false;
}
if ($log) {
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
@file_put_contents($this->configCache->get('system', 'db_log_index'), DateTimeFormat::utcNow() . "\t" .
$row['key'] . "\t" . $row['rows'] . "\t" . $row['Extra'] . "\t" .
basename($backtrace[1]["file"]) . "\t" .
$backtrace[1]["line"] . "\t" . $backtrace[2]["function"] . "\t" .
substr($query, 0, 2000) . "\n", FILE_APPEND);
}
}
}
/**
* Removes every not whitelisted character from the identifier string
*
* @param string $identifier
*
* @return string sanitized identifier
* @throws \Exception
*/
private function sanitizeIdentifier($identifier)
{
return preg_replace('/[^A-Za-z0-9_\-]+/', '', $identifier);
}
public function escape($str)
{
if ($this->connected) {
switch ($this->driver) {
case 'pdo':
return substr(@$this->connection->quote($str, PDO::PARAM_STR), 1, -1);
case 'mysqli':
return @$this->connection->real_escape_string($str);
}
} else {
return str_replace("'", "\\'", $str);
}
}
public function connected()
{
$connected = false;
if (is_null($this->connection)) {
return false;
}
switch ($this->driver) {
case 'pdo':
$r = $this->p("SELECT 1");
if ($this->isResult($r)) {
$row = $this->toArray($r);
$connected = ($row[0]['1'] == '1');
}
break;
case 'mysqli':
$connected = $this->connection->ping();
break;
}
return $connected;
}
/**
* @brief Replaces ANY_VALUE() function by MIN() function,
* if the database server does not support ANY_VALUE().
*
* Considerations for Standard SQL, or MySQL with ONLY_FULL_GROUP_BY (default since 5.7.5).
* ANY_VALUE() is available from MySQL 5.7.5 https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html
* A standard fall-back is to use MIN().
*
* @param string $sql An SQL string without the values
*
* @return string The input SQL string modified if necessary.
*/
public function anyValueFallback($sql)
{
$server_info = $this->serverInfo();
if (version_compare($server_info, '5.7.5', '<') ||
(stripos($server_info, 'MariaDB') !== false)) {
$sql = str_ireplace('ANY_VALUE(', 'MIN(', $sql);
}
return $sql;
}
/**
* @brief Replaces the ? placeholders with the parameters in the $args array
*
* @param string $sql SQL query
* @param array $args The parameters that are to replace the ? placeholders
*
* @return string The replaced SQL query
*/
private function replaceParameters($sql, $args)
{
$offset = 0;
foreach ($args AS $param => $value) {
if (is_int($args[$param]) || is_float($args[$param])) {
$replace = intval($args[$param]);
} else {
$replace = "'" . $this->escape($args[$param]) . "'";
}
$pos = strpos($sql, '?', $offset);
if ($pos !== false) {
$sql = substr_replace($sql, $replace, $pos, 1);
}
$offset = $pos + strlen($replace);
}
return $sql;
}
/**
* @brief Executes a prepared statement that returns data
* @usage Example: $r = p("SELECT * FROM `item` WHERE `guid` = ?", $guid);
*
* Please only use it with complicated queries.
* For all regular queries please use DBA::select or DBA::exists
*
* @param string $sql SQL statement
*
* @return bool|object statement object or result object
* @throws \Exception
*/
public function p($sql)
{
$stamp1 = microtime(true);
$params = DBA::getParam(func_get_args());
// Renumber the array keys to be sure that they fit
$i = 0;
$args = [];
foreach ($params AS $param) {
// Avoid problems with some MySQL servers and boolean values. See issue #3645
if (is_bool($param)) {
$param = (int)$param;
}
$args[++$i] = $param;
}
if (!$this->connected) {
return false;
}
if ((substr_count($sql, '?') != count($args)) && (count($args) > 0)) {
// Question: Should we continue or stop the query here?
$this->logger->warning('Query parameters mismatch.', ['query' => $sql, 'args' => $args, 'callstack' => System::callstack()]);
}
$sql = DBA::cleanQuery($sql);
$sql = $this->anyValueFallback($sql);
$orig_sql = $sql;
if ($this->configCache->get('system', 'db_callstack') !== null) {
$sql = "/*" . System::callstack() . " */ " . $sql;
}
$this->error = '';
$this->errorno = 0;
$this->affected_rows = 0;
// We have to make some things different if this function is called from "e"
$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2);
if (isset($trace[1])) {
$called_from = $trace[1];
} else {
// We use just something that is defined to avoid warnings
$called_from = $trace[0];
}
// We are having an own error logging in the function "e"
$called_from_e = ($called_from['function'] == 'e');
switch ($this->driver) {
case 'pdo':
// If there are no arguments we use "query"
if (count($args) == 0) {
if (!$retval = $this->connection->query($sql)) {
$errorInfo = $this->connection->errorInfo();
$this->error = $errorInfo[2];
$this->errorno = $errorInfo[1];
$retval = false;
break;
}
$this->affected_rows = $retval->rowCount();
break;
}
if (!$stmt = $this->connection->prepare($sql)) {
$errorInfo = $this->connection->errorInfo();
$this->error = $errorInfo[2];
$this->errorno = $errorInfo[1];
$retval = false;
break;
}
foreach ($args AS $param => $value) {
if (is_int($args[$param])) {
$data_type = PDO::PARAM_INT;
} else {
$data_type = PDO::PARAM_STR;
}
$stmt->bindParam($param, $args[$param], $data_type);
}
if (!$stmt->execute()) {
$errorInfo = $stmt->errorInfo();
$this->error = $errorInfo[2];
$this->errorno = $errorInfo[1];
$retval = false;
} else {
$retval = $stmt;
$this->affected_rows = $retval->rowCount();
}
break;
case 'mysqli':
// There are SQL statements that cannot be executed with a prepared statement
$parts = explode(' ', $orig_sql);
$command = strtolower($parts[0]);
$can_be_prepared = in_array($command, ['select', 'update', 'insert', 'delete']);
// The fallback routine is called as well when there are no arguments
if (!$can_be_prepared || (count($args) == 0)) {
$retval = $this->connection->query($this->replaceParameters($sql, $args));
if ($this->connection->errno) {
$this->error = $this->connection->error;
$this->errorno = $this->connection->errno;
$retval = false;
} else {
if (isset($retval->num_rows)) {
$this->affected_rows = $retval->num_rows;
} else {
$this->affected_rows = $this->connection->affected_rows;
}
}
break;
}
$stmt = $this->connection->stmt_init();
if (!$stmt->prepare($sql)) {
$this->error = $stmt->error;
$this->errorno = $stmt->errno;
$retval = false;
break;
}
$param_types = '';
$values = [];
foreach ($args AS $param => $value) {
if (is_int($args[$param])) {
$param_types .= 'i';
} elseif (is_float($args[$param])) {
$param_types .= 'd';
} elseif (is_string($args[$param])) {
$param_types .= 's';
} else {
$param_types .= 'b';
}
$values[] = &$args[$param];
}
if (count($values) > 0) {
array_unshift($values, $param_types);
call_user_func_array([$stmt, 'bind_param'], $values);
}
if (!$stmt->execute()) {
$this->error = $this->connection->error;
$this->errorno = $this->connection->errno;
$retval = false;
} else {
$stmt->store_result();
$retval = $stmt;
$this->affected_rows = $retval->affected_rows;
}
break;
}
// We are having an own error logging in the function "e"
if (($this->errorno != 0) && !$called_from_e) {
// We have to preserve the error code, somewhere in the logging it get lost
$error = $this->error;
$errorno = $this->errorno;
$this->logger->error('DB Error', [
'code' => $this->errorno,
'error' => $this->error,
'callstack' => System::callstack(8),
'params' => $this->replaceParameters($sql, $args),
]);
// On a lost connection we try to reconnect - but only once.
if ($errorno == 2006) {
if ($this->in_retrial || !$this->reconnect()) {
// It doesn't make sense to continue when the database connection was lost
if ($this->in_retrial) {
$this->logger->notice('Giving up retrial because of database error', [
'code' => $this->errorno,
'error' => $this->error,
]);
} else {
$this->logger->notice('Couldn\'t reconnect after database error', [
'code' => $this->errorno,
'error' => $this->error,
]);
}
exit(1);
} else {
// We try it again
$this->logger->notice('Reconnected after database error', [
'code' => $this->errorno,
'error' => $this->error,
]);
$this->in_retrial = true;
$ret = $this->p($sql, $args);
$this->in_retrial = false;
return $ret;
}
}
$this->error = $error;
$this->errorno = $errorno;
}
$this->profiler->saveTimestamp($stamp1, 'database', System::callstack());
if ($this->configCache->get('system', 'db_log')) {
$stamp2 = microtime(true);
$duration = (float)($stamp2 - $stamp1);
if (($duration > $this->configCache->get('system', 'db_loglimit'))) {
$duration = round($duration, 3);
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
@file_put_contents($this->configCache->get('system', 'db_log'), DateTimeFormat::utcNow() . "\t" . $duration . "\t" .
basename($backtrace[1]["file"]) . "\t" .
$backtrace[1]["line"] . "\t" . $backtrace[2]["function"] . "\t" .
substr($this->replaceParameters($sql, $args), 0, 2000) . "\n", FILE_APPEND);
}
}
return $retval;
}
/**
* @brief Executes a prepared statement like UPDATE or INSERT that doesn't return data
*
* Please use DBA::delete, DBA::insert, DBA::update, ... instead
*
* @param string $sql SQL statement
*
* @return boolean Was the query successfull? False is returned only if an error occurred
* @throws \Exception
*/
public function e($sql)
{
$stamp = microtime(true);
$params = DBA::getParam(func_get_args());
// In a case of a deadlock we are repeating the query 20 times
$timeout = 20;
do {
$stmt = $this->p($sql, $params);
if (is_bool($stmt)) {
$retval = $stmt;
} elseif (is_object($stmt)) {
$retval = true;
} else {
$retval = false;
}
$this->close($stmt);
} while (($this->errorno == 1213) && (--$timeout > 0));
if ($this->errorno != 0) {
// We have to preserve the error code, somewhere in the logging it get lost
$error = $this->error;
$errorno = $this->errorno;
$this->logger->error('DB Error', [
'code' => $this->errorno,
'error' => $this->error,
'callstack' => System::callstack(8),
'params' => $this->replaceParameters($sql, $params),
]);
// On a lost connection we simply quit.
// A reconnect like in $this->p could be dangerous with modifications
if ($errorno == 2006) {
$this->logger->notice('Giving up because of database error', [
'code' => $this->errorno,
'error' => $this->error,
]);
exit(1);
}
$this->error = $error;
$this->errorno = $errorno;
}
$this->profiler->saveTimestamp($stamp, "database_write", System::callstack());
return $retval;
}
/**
* @brief Check if data exists
*
* @param string $table Table name
* @param array $condition array of fields for condition
*
* @return boolean Are there rows for that condition?
* @throws \Exception
*/
public function exists($table, $condition)
{
if (empty($table)) {
return false;
}
$fields = [];
if (empty($condition)) {
return DBStructure::existsTable($table);
}
reset($condition);
$first_key = key($condition);
if (!is_int($first_key)) {
$fields = [$first_key];
}
$stmt = $this->select($table, $fields, $condition, ['limit' => 1]);
if (is_bool($stmt)) {
$retval = $stmt;
} else {
$retval = ($this->numRows($stmt) > 0);
}
$this->close($stmt);
return $retval;
}
/**
* Fetches the first row
*
* Please use DBA::selectFirst or DBA::exists whenever this is possible.
*
* @brief Fetches the first row
*
* @param string $sql SQL statement
*
* @return array first row of query
* @throws \Exception
*/
public function fetchFirst($sql)
{
$params = DBA::getParam(func_get_args());
$stmt = $this->p($sql, $params);
if (is_bool($stmt)) {
$retval = $stmt;
} else {
$retval = $this->fetch($stmt);
}
$this->close($stmt);
return $retval;
}
/**
* @brief Returns the number of affected rows of the last statement
*
* @return int Number of rows
*/
public function affectedRows()
{
return $this->affected_rows;
}
/**
* @brief Returns the number of columns of a statement
*
* @param object Statement object
*
* @return int Number of columns
*/
public function columnCount($stmt)
{
if (!is_object($stmt)) {
return 0;
}
switch ($this->driver) {
case 'pdo':
return $stmt->columnCount();
case 'mysqli':
return $stmt->field_count;
}
return 0;
}
/**
* @brief Returns the number of rows of a statement
*
* @param PDOStatement|mysqli_result|mysqli_stmt Statement object
*
* @return int Number of rows
*/
public function numRows($stmt)
{
if (!is_object($stmt)) {
return 0;
}
switch ($this->driver) {
case 'pdo':
return $stmt->rowCount();
case 'mysqli':
return $stmt->num_rows;
}
return 0;
}
/**
* @brief Fetch a single row
*
* @param mixed $stmt statement object
*
* @return array current row
*/
public function fetch($stmt)
{
$stamp1 = microtime(true);
$columns = [];
if (!is_object($stmt)) {
return false;
}
switch ($this->driver) {
case 'pdo':
$columns = $stmt->fetch(PDO::FETCH_ASSOC);
break;
case 'mysqli':
if (get_class($stmt) == 'mysqli_result') {
$columns = $stmt->fetch_assoc();
break;
}
// This code works, but is slow
// Bind the result to a result array
$cols = [];
$cols_num = [];
for ($x = 0; $x < $stmt->field_count; $x++) {
$cols[] = &$cols_num[$x];
}
call_user_func_array([$stmt, 'bind_result'], $cols);
if (!$stmt->fetch()) {
return false;
}
// The slow part:
// We need to get the field names for the array keys
// It seems that there is no better way to do this.
$result = $stmt->result_metadata();
$fields = $result->fetch_fields();
foreach ($cols_num AS $param => $col) {
$columns[$fields[$param]->name] = $col;
}
}
$this->profiler->saveTimestamp($stamp1, 'database', System::callstack());
return $columns;
}
/**
* @brief Insert a row into a table
*
* @param string/array $table Table name
*
* @return string formatted and sanitzed table name
* @throws \Exception
*/
public function formatTableName($table)
{
if (is_string($table)) {
return "`" . $this->sanitizeIdentifier($table) . "`";
}
if (!is_array($table)) {
return '';
}
$scheme = key($table);
return "`" . $this->sanitizeIdentifier($scheme) . "`.`" . $this->sanitizeIdentifier($table[$scheme]) . "`";
}
/**
* @brief Insert a row into a table
*
* @param string $table Table name
* @param array $param parameter array
* @param bool $on_duplicate_update Do an update on a duplicate entry
*
* @return boolean was the insert successful?
* @throws \Exception
*/
public function insert($table, $param, $on_duplicate_update = false)
{
if (empty($table) || empty($param)) {
$this->logger->info('Table and fields have to be set');
return false;
}
$sql = "INSERT INTO " . $this->formatTableName($table) . " (`" . implode("`, `", array_keys($param)) . "`) VALUES (" .
substr(str_repeat("?, ", count($param)), 0, -2) . ")";
if ($on_duplicate_update) {
$sql .= " ON DUPLICATE KEY UPDATE `" . implode("` = ?, `", array_keys($param)) . "` = ?";
$values = array_values($param);
$param = array_merge_recursive($values, $values);
}
return $this->e($sql, $param);
}
/**
* @brief Fetch the id of the last insert command
*
* @return integer Last inserted id
*/
public function lastInsertId()
{
switch ($this->driver) {
case 'pdo':
$id = $this->connection->lastInsertId();
break;
case 'mysqli':
$id = $this->connection->insert_id;
break;
}
return $id;
}
/**
* @brief Locks a table for exclusive write access
*
* This function can be extended in the future to accept a table array as well.
*
* @param string $table Table name
*
* @return boolean was the lock successful?
* @throws \Exception
*/
public function lock($table)
{
// See here: https://dev.mysql.com/doc/refman/5.7/en/lock-tables-and-transactions.html
if ($this->driver == 'pdo') {
$this->e("SET autocommit=0");
$this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, true);
} else {
$this->connection->autocommit(false);
}
$success = $this->e("LOCK TABLES " . $this->formatTableName($table) . " WRITE");
if ($this->driver == 'pdo') {
$this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
}
if (!$success) {
if ($this->driver == 'pdo') {
$this->e("SET autocommit=1");
} else {
$this->connection->autocommit(true);
}
} else {
$this->in_transaction = true;
}
return $success;
}
/**
* @brief Unlocks all locked tables
*
* @return boolean was the unlock successful?
* @throws \Exception
*/
public function unlock()
{
// See here: https://dev.mysql.com/doc/refman/5.7/en/lock-tables-and-transactions.html
$this->performCommit();
if ($this->driver == 'pdo') {
$this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, true);
}
$success = $this->e("UNLOCK TABLES");
if ($this->driver == 'pdo') {
$this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
$this->e("SET autocommit=1");
} else {
$this->connection->autocommit(true);
}
$this->in_transaction = false;
return $success;
}
/**
* @brief Starts a transaction
*
* @return boolean Was the command executed successfully?
*/
public function transaction()
{
if (!$this->performCommit()) {
return false;
}
switch ($this->driver) {
case 'pdo':
if (!$this->connection->inTransaction() && !$this->connection->beginTransaction()) {
return false;
}
break;
case 'mysqli':
if (!$this->connection->begin_transaction()) {
return false;
}
break;
}
$this->in_transaction = true;
return true;
}
private function performCommit()
{
switch ($this->driver) {
case 'pdo':
if (!$this->connection->inTransaction()) {
return true;
}
return $this->connection->commit();
case 'mysqli':
return $this->connection->commit();
}
return true;
}
/**
* @brief Does a commit
*
* @return boolean Was the command executed successfully?
*/
public function commit()
{
if (!$this->performCommit()) {
return false;
}
$this->in_transaction = false;
return true;
}
/**
* @brief Does a rollback
*
* @return boolean Was the command executed successfully?
*/
public function rollback()
{
$ret = false;
switch ($this->driver) {
case 'pdo':
if (!$this->connection->inTransaction()) {
$ret = true;
break;
}
$ret = $this->connection->rollBack();
break;
case 'mysqli':
$ret = $this->connection->rollback();
break;
}
$this->in_transaction = false;
return $ret;
}
/**
* @brief Build the array with the table relations
*
* The array is build from the database definitions in DBStructure.php
*
* This process must only be started once, since the value is cached.
*/
private function buildRelationData()
{
$definition = DBStructure::definition($this->configCache->get('system', 'basepath'));
foreach ($definition AS $table => $structure) {
foreach ($structure['fields'] AS $field => $field_struct) {
if (isset($field_struct['relation'])) {
foreach ($field_struct['relation'] AS $rel_table => $rel_field) {
$this->relation[$rel_table][$rel_field][$table][] = $field;
}
}
}
}
}
/**
* @brief Delete a row from a table
*
* @param string $table Table name
* @param array $conditions Field condition(s)
* @param array $options
* - cascade: If true we delete records in other tables that depend on the one we're deleting through
* relations (default: true)
* @param array $callstack Internal use: prevent endless loops
*
* @return boolean was the delete successful?
* @throws \Exception
*/
public function delete($table, array $conditions, array $options = [], array &$callstack = [])
{
if (empty($table) || empty($conditions)) {
$this->logger->info('Table and conditions have to be set');
return false;
}
$commands = [];
// Create a key for the loop prevention
$key = $table . ':' . json_encode($conditions);
// We quit when this key already exists in the callstack.
if (isset($callstack[$key])) {
return $commands;
}
$callstack[$key] = true;
$table = $this->sanitizeIdentifier($table);
$commands[$key] = ['table' => $table, 'conditions' => $conditions];
// Don't use "defaults" here, since it would set "false" to "true"
if (isset($options['cascade'])) {
$cascade = $options['cascade'];
} else {
$cascade = true;
}
// To speed up the whole process we cache the table relations
if ($cascade && count($this->relation) == 0) {
$this->buildRelationData();
}
// Is there a relation entry for the table?
if ($cascade && isset($this->relation[$table])) {
// We only allow a simple "one field" relation.
$field = array_keys($this->relation[$table])[0];
$rel_def = array_values($this->relation[$table])[0];
// Create a key for preventing double queries
$qkey = $field . '-' . $table . ':' . json_encode($conditions);
// When the search field is the relation field, we don't need to fetch the rows
// This is useful when the leading record is already deleted in the frontend but the rest is done in the backend
if ((count($conditions) == 1) && ($field == array_keys($conditions)[0])) {
foreach ($rel_def AS $rel_table => $rel_fields) {
foreach ($rel_fields AS $rel_field) {
$this->delete($rel_table, [$rel_field => array_values($conditions)[0]], $options, $callstack);
}
}
// We quit when this key already exists in the callstack.
} elseif (!isset($callstack[$qkey])) {
$callstack[$qkey] = true;
// Fetch all rows that are to be deleted
$data = $this->select($table, [$field], $conditions);
while ($row = $this->fetch($data)) {
$this->delete($table, [$field => $row[$field]], $options, $callstack);
}
$this->close($data);
// Since we had split the delete command we don't need the original command anymore
unset($commands[$key]);
}
}
// Now we finalize the process
$do_transaction = !$this->in_transaction;
if ($do_transaction) {
$this->transaction();
}
$compacted = [];
$counter = [];
foreach ($commands AS $command) {
$conditions = $command['conditions'];
reset($conditions);
$first_key = key($conditions);
$condition_string = DBA::buildCondition($conditions);
if ((count($command['conditions']) > 1) || is_int($first_key)) {
$sql = "DELETE FROM `" . $command['table'] . "`" . $condition_string;
$this->logger->debug($this->replaceParameters($sql, $conditions));
if (!$this->e($sql, $conditions)) {
if ($do_transaction) {
$this->rollback();
}
return false;
}
} else {
$key_table = $command['table'];
$key_condition = array_keys($command['conditions'])[0];
$value = array_values($command['conditions'])[0];
// Split the SQL queries in chunks of 100 values
// We do the $i stuff here to make the code better readable
$i = isset($counter[$key_table][$key_condition]) ? $counter[$key_table][$key_condition] : 0;
if (isset($compacted[$key_table][$key_condition][$i]) && count($compacted[$key_table][$key_condition][$i]) > 100) {
++$i;
}
$compacted[$key_table][$key_condition][$i][$value] = $value;
$counter[$key_table][$key_condition] = $i;
}
}
foreach ($compacted AS $table => $values) {
foreach ($values AS $field => $field_value_list) {
foreach ($field_value_list AS $field_values) {
$sql = "DELETE FROM `" . $table . "` WHERE `" . $field . "` IN (" .
substr(str_repeat("?, ", count($field_values)), 0, -2) . ");";
$this->logger->debug($this->replaceParameters($sql, $field_values));
if (!$this->e($sql, $field_values)) {
if ($do_transaction) {
$this->rollback();
}
return false;
}
}
}
}
if ($do_transaction) {
$this->commit();
}
return true;
}
/**
* @brief Updates rows
*
* Updates rows in the database. When $old_fields is set to an array,
* the system will only do an update if the fields in that array changed.
*
* Attention:
* Only the values in $old_fields are compared.
* This is an intentional behaviour.
*
* Example:
* We include the timestamp field in $fields but not in $old_fields.
* Then the row will only get the new timestamp when the other fields had changed.
*
* When $old_fields is set to a boolean value the system will do this compare itself.
* When $old_fields is set to "true" the system will do an insert if the row doesn't exists.
*
* Attention:
* Only set $old_fields to a boolean value when you are sure that you will update a single row.
* When you set $old_fields to "true" then $fields must contain all relevant fields!
*
* @param string $table Table name
* @param array $fields contains the fields that are updated
* @param array $condition condition array with the key values
* @param array|boolean $old_fields array with the old field values that are about to be replaced (true = update on duplicate)
*
* @return boolean was the update successfull?
* @throws \Exception
*/
public function update($table, $fields, $condition, $old_fields = [])
{
if (empty($table) || empty($fields) || empty($condition)) {
$this->logger->info('Table, fields and condition have to be set');
return false;
}
$condition_string = DBA::buildCondition($condition);
if (is_bool($old_fields)) {
$do_insert = $old_fields;
$old_fields = $this->selectFirst($table, [], $condition);
if (is_bool($old_fields)) {
if ($do_insert) {
$values = array_merge($condition, $fields);
return $this->insert($table, $values, $do_insert);
}
$old_fields = [];
}
}
$do_update = (count($old_fields) == 0);
foreach ($old_fields AS $fieldname => $content) {
if (isset($fields[$fieldname])) {
if (($fields[$fieldname] == $content) && !is_null($content)) {
unset($fields[$fieldname]);
} else {
$do_update = true;
}
}
}
if (!$do_update || (count($fields) == 0)) {
return true;
}
$sql = "UPDATE " . $this->formatTableName($table) . " SET `" .
implode("` = ?, `", array_keys($fields)) . "` = ?" . $condition_string;
$params1 = array_values($fields);
$params2 = array_values($condition);
$params = array_merge_recursive($params1, $params2);
return $this->e($sql, $params);
}
/**
* Retrieve a single record from a table and returns it in an associative array
*
* @brief Retrieve a single record from a table
*
* @param string $table
* @param array $fields
* @param array $condition
* @param array $params
*
* @return bool|array
* @throws \Exception
* @see $this->select
*/
public function selectFirst($table, array $fields = [], array $condition = [], $params = [])
{
$params['limit'] = 1;
$result = $this->select($table, $fields, $condition, $params);
if (is_bool($result)) {
return $result;
} else {
$row = $this->fetch($result);
$this->close($result);
return $row;
}
}
/**
* @brief Select rows from a table
*
* @param string $table Table name
* @param array $fields Array of selected fields, empty for all
* @param array $condition Array of fields for condition
* @param array $params Array of several parameters
*
* @return boolean|object
*
* Example:
* $table = "item";
* $fields = array("id", "uri", "uid", "network");
*
* $condition = array("uid" => 1, "network" => 'dspr');
* or:
* $condition = array("`uid` = ? AND `network` IN (?, ?)", 1, 'dfrn', 'dspr');
*
* $params = array("order" => array("id", "received" => true), "limit" => 10);
*
* $data = DBA::select($table, $fields, $condition, $params);
* @throws \Exception
*/
public function select($table, array $fields = [], array $condition = [], array $params = [])
{
if (empty($table)) {
return false;
}
if (count($fields) > 0) {
$select_fields = "`" . implode("`, `", array_values($fields)) . "`";
} else {
$select_fields = "*";
}
$condition_string = DBA::buildCondition($condition);
$param_string = DBA::buildParameter($params);
$sql = "SELECT " . $select_fields . " FROM " . $this->formatTableName($table) . $condition_string . $param_string;
$result = $this->p($sql, $condition);
return $result;
}
/**
* @brief Counts the rows from a table satisfying the provided condition
*
* @param string $table Table name
* @param array $condition array of fields for condition
*
* @return int
*
* Example:
* $table = "item";
*
* $condition = ["uid" => 1, "network" => 'dspr'];
* or:
* $condition = ["`uid` = ? AND `network` IN (?, ?)", 1, 'dfrn', 'dspr'];
*
* $count = DBA::count($table, $condition);
* @throws \Exception
*/
public function count($table, array $condition = [])
{
if (empty($table)) {
return false;
}
$condition_string = DBA::buildCondition($condition);
$sql = "SELECT COUNT(*) AS `count` FROM " . $this->formatTableName($table) . $condition_string;
$row = $this->fetchFirst($sql, $condition);
return $row['count'];
}
/**
* @brief Fills an array with data from a query
*
* @param object $stmt statement object
* @param bool $do_close
*
* @return array Data array
*/
public function toArray($stmt, $do_close = true)
{
if (is_bool($stmt)) {
return $stmt;
}
$data = [];
while ($row = $this->fetch($stmt)) {
$data[] = $row;
}
if ($do_close) {
$this->close($stmt);
}
return $data;
}
/**
* @brief Returns the error number of the last query
*
* @return string Error number (0 if no error)
*/
public function errorNo()
{
return $this->errorno;
}
/**
* @brief Returns the error message of the last query
*
* @return string Error message ('' if no error)
*/
public function errorMessage()
{
return $this->error;
}
/**
* @brief Closes the current statement
*
* @param object $stmt statement object
*
* @return boolean was the close successful?
*/
public function close($stmt)
{
$stamp1 = microtime(true);
if (!is_object($stmt)) {
return false;
}
switch ($this->driver) {
case 'pdo':
$ret = $stmt->closeCursor();
break;
case 'mysqli':
// MySQLi offers both a mysqli_stmt and a mysqli_result class.
// We should be careful not to assume the object type of $stmt
// because DBA::p() has been able to return both types.
if ($stmt instanceof mysqli_stmt) {
$stmt->free_result();
$ret = $stmt->close();
} elseif ($stmt instanceof mysqli_result) {
$stmt->free();
$ret = true;
} else {
$ret = false;
}
break;
}
$this->profiler->saveTimestamp($stamp1, 'database', System::callstack());
return $ret;
}
/**
* @brief Return a list of database processes
*
* @return array
* 'list' => List of processes, separated in their different states
* 'amount' => Number of concurrent database processes
* @throws \Exception
*/
public function processlist()
{
$ret = $this->p("SHOW PROCESSLIST");
$data = $this->toArray($ret);
$processes = 0;
$states = [];
foreach ($data as $process) {
$state = trim($process["State"]);
// Filter out all non blocking processes
if (!in_array($state, ["", "init", "statistics", "updating"])) {
++$states[$state];
++$processes;
}
}
$statelist = "";
foreach ($states as $state => $usage) {
if ($statelist != "") {
$statelist .= ", ";
}
$statelist .= $state . ": " . $usage;
}
return (["list" => $statelist, "amount" => $processes]);
}
/**
* Checks if $array is a filled array with at least one entry.
*
* @param mixed $array A filled array with at least one entry
*
* @return boolean Whether $array is a filled array or an object with rows
*/
public function isResult($array)
{
// It could be a return value from an update statement
if (is_bool($array)) {
return $array;
}
if (is_object($array)) {
return $this->numRows($array) > 0;
}
return (is_array($array) && (count($array) > 0));
}
/**
* @brief Callback function for "esc_array"
*
* @param mixed $value Array value
* @param string $key Array key
* @param boolean $add_quotation add quotation marks for string values
*
* @return void
*/
private function escapeArrayCallback(&$value, $key, $add_quotation)
{
if (!$add_quotation) {
if (is_bool($value)) {
$value = ($value ? '1' : '0');
} else {
$value = $this->escape($value);
}
return;
}
if (is_bool($value)) {
$value = ($value ? 'true' : 'false');
} elseif (is_float($value) || is_integer($value)) {
$value = (string)$value;
} else {
$value = "'" . $this->escape($value) . "'";
}
}
/**
* @brief Escapes a whole array
*
* @param mixed $arr Array with values to be escaped
* @param boolean $add_quotation add quotation marks for string values
*
* @return void
*/
public function escapeArray(&$arr, $add_quotation = false)
{
array_walk($arr, [$this, 'escapeArrayCallback'], $add_quotation);
}
}

11
src/Factory/DBFactory.php
View file

@ -17,14 +17,11 @@ class DBFactory
* @param Profiler $profiler The profiler
* @param array $server The $_SERVER variables
*
* @return Database\Database
* @throws \Exception if connection went bad
*/
public static function init(Cache\IConfigCache $configCache, Profiler $profiler, array $server)
{
if (Database\DBA::connected()) {
return;
}
$db_host = $configCache->get('database', 'hostname');
$db_user = $configCache->get('database', 'username');
$db_pass = $configCache->get('database', 'password');
@ -50,11 +47,15 @@ class DBFactory
$db_data = $server['MYSQL_DATABASE'];
}
if (Database\DBA::connect($configCache, $profiler, new VoidLogger(), $db_host, $db_user, $db_pass, $db_data, $charset)) {
$database = new Database\Database($configCache, $profiler, new VoidLogger(), $db_host, $db_user, $db_pass, $db_data, $charset);
if ($database->connected()) {
// Loads DB_UPDATE_VERSION constant
Database\DBStructure::definition($configCache->get('system', 'basepath'), false);
}
unset($db_host, $db_user, $db_pass, $db_data, $charset);
return $database;
}
}

8
src/Factory/DependencyFactory.php
View file

@ -3,7 +3,6 @@
namespace Friendica\Factory;
use Friendica\App;
use Friendica\Database\DBA;
use Friendica\Factory;
use Friendica\Util\BasePath;
use Friendica\Util\BaseURL;
@ -30,15 +29,14 @@ class DependencyFactory
$configLoader = new Config\ConfigFileLoader($basePath, $mode);
$configCache = Factory\ConfigFactory::createCache($configLoader);
$profiler = Factory\ProfilerFactory::create($configCache);
Factory\DBFactory::init($configCache, $profiler, $_SERVER);
$database = Factory\DBFactory::init($configCache, $profiler, $_SERVER);
$config = Factory\ConfigFactory::createConfig($configCache);
// needed to call PConfig::init()
Factory\ConfigFactory::createPConfig($configCache);
$logger = Factory\LoggerFactory::create($channel, $config, $profiler);
DBA::setLogger($logger);
$logger = Factory\LoggerFactory::create($channel, $database, $config, $profiler);
Factory\LoggerFactory::createDev($channel, $config, $profiler);
$baseURL = new BaseURL($config, $_SERVER);
return new App($config, $mode, $router, $baseURL, $logger, $profiler, $isBackend);
return new App($database, $config, $mode, $router, $baseURL, $logger, $profiler, $isBackend);
}
}

5
src/Factory/LoggerFactory.php
View file

@ -4,6 +4,7 @@ namespace Friendica\Factory;
use Friendica\Core\Config\Configuration;
use Friendica\Core\Logger;
use Friendica\Database\Database;
use Friendica\Network\HTTPException\InternalServerErrorException;
use Friendica\Util\Introspection;
use Friendica\Util\Logger\Monolog\DevelopHandler;
@ -47,10 +48,11 @@ class LoggerFactory
* @throws \Exception
* @throws InternalServerErrorException
*/
public static function create($channel, Configuration $config, Profiler $profiler)
public static function create($channel, Database $database, Configuration $config, Profiler $profiler)
{
if (empty($config->get('system', 'debugging', false))) {
$logger = new VoidLogger();
$database->setLogger($logger);
Logger::init($logger);
return $logger;
}
@ -101,6 +103,7 @@ class LoggerFactory
$logger = new ProfilerLogger($logger, $profiler);
}
$database->setLogger($logger);
Logger::init($logger);
return $logger;

6
tests/include/ApiTest.php
View file

@ -55,12 +55,12 @@ class ApiTest extends DatabaseTest
$configLoader = new ConfigFileLoader($basePath, $mode);
$configCache = Factory\ConfigFactory::createCache($configLoader);
$profiler = Factory\ProfilerFactory::create($configCache);
Factory\DBFactory::init($configCache, $profiler, $_SERVER);
$database = Factory\DBFactory::init($configCache, $profiler, $_SERVER);
$config = Factory\ConfigFactory::createConfig($configCache);
Factory\ConfigFactory::createPConfig($configCache);
$logger = Factory\LoggerFactory::create('test', $config, $profiler);
$logger = Factory\LoggerFactory::create('test', $database, $config, $profiler);
$baseUrl = new BaseURL($config, $_SERVER);
$this->app = new App($config, $mode, $router, $baseUrl, $logger, $profiler, false);
$this->app = new App($database, $config, $mode, $router, $baseUrl, $logger, $profiler, false);
parent::setUp();

6
tests/src/Database/DBATest.php
View file

@ -20,12 +20,12 @@ class DBATest extends DatabaseTest
$configLoader = new ConfigFileLoader($basePath, $mode);
$configCache = Factory\ConfigFactory::createCache($configLoader);
$profiler = Factory\ProfilerFactory::create($configCache);
Factory\DBFactory::init($configCache, $profiler, $_SERVER);
$database = Factory\DBFactory::init($configCache, $profiler, $_SERVER);
$config = Factory\ConfigFactory::createConfig($configCache);
Factory\ConfigFactory::createPConfig($configCache);
$logger = Factory\LoggerFactory::create('test', $config, $profiler);
$logger = Factory\LoggerFactory::create('test', $database, $config, $profiler);
$baseUrl = new BaseURL($config, $_SERVER);
$this->app = new App($config, $mode, $router, $baseUrl, $logger, $profiler, false);
$this->app = new App($database, $config, $mode, $router, $baseUrl, $logger, $profiler, false);
parent::setUp();

6
tests/src/Database/DBStructureTest.php
View file

@ -20,12 +20,12 @@ class DBStructureTest extends DatabaseTest
$configLoader = new ConfigFileLoader($basePath, $mode);
$configCache = Factory\ConfigFactory::createCache($configLoader);
$profiler = Factory\ProfilerFactory::create($configCache);
Factory\DBFactory::init($configCache, $profiler, $_SERVER);
$database = Factory\DBFactory::init($configCache, $profiler, $_SERVER);
$config = Factory\ConfigFactory::createConfig($configCache);
Factory\ConfigFactory::createPConfig($configCache);
$logger = Factory\LoggerFactory::create('test', $config, $profiler);
$logger = Factory\LoggerFactory::create('test', $database, $config, $profiler);
$baseUrl = new BaseURL($config, $_SERVER);
$this->app = new App($config, $mode, $router, $baseUrl, $logger, $profiler, false);
$this->app = new App($database, $config, $mode, $router, $baseUrl, $logger, $profiler, false);
parent::setUp();
}