]> git.mxchange.org Git - friendica.git/blobdiff - src/Database/Database.php
Ensure that the database.sql contains "if exists"
[friendica.git] / src / Database / Database.php
index 787ae54c7bc346040fd68e3c07773a461fceaf6c..641ebd3894dc1fa4f68a3d9996b38918696079be 100644 (file)
 
 namespace Friendica\Database;
 
-use Exception;
 use Friendica\Core\Config\Cache;
 use Friendica\Core\System;
-use Friendica\DI;
 use Friendica\Network\HTTPException\InternalServerErrorException;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Profiler;
@@ -41,6 +39,13 @@ use Psr\Log\LoggerInterface;
  */
 class Database
 {
+       const PDO = 'pdo';
+       const MYSQLI = 'mysqli';
+
+       const INSERT_DEFAULT = 0;
+       const INSERT_UPDATE = 1;
+       const INSERT_IGNORE = 2;
+
        protected $connected = false;
 
        /**
@@ -60,6 +65,7 @@ class Database
        protected $connection;
        protected $driver;
        protected $emulate_prepares = false;
+       protected $pdo_emulate_prepares = false;
        private $error          = false;
        private $errorno        = 0;
        private $affected_rows  = 0;
@@ -68,14 +74,13 @@ class Database
        protected $testmode       = false;
        private $relation       = [];
 
-       public function __construct(Cache $configCache, Profiler $profiler, LoggerInterface $logger, array $server = [])
+       public function __construct(Cache $configCache, Profiler $profiler, LoggerInterface $logger)
        {
                // We are storing these values for being able to perform a reconnect
                $this->configCache   = $configCache;
                $this->profiler      = $profiler;
                $this->logger        = $logger;
 
-               $this->readServerVariables($server);
                $this->connect();
 
                if ($this->isConnected()) {
@@ -84,30 +89,6 @@ class Database
                }
        }
 
-       private function readServerVariables(array $server)
-       {
-               // Use environment variables for mysql if they are set beforehand
-               if (!empty($server['MYSQL_HOST'])
-                   && (!empty($server['MYSQL_USERNAME']) || !empty($server['MYSQL_USER']))
-                   && $server['MYSQL_PASSWORD'] !== false
-                   && !empty($server['MYSQL_DATABASE']))
-               {
-                       $db_host = $server['MYSQL_HOST'];
-                       if (!empty($server['MYSQL_PORT'])) {
-                               $db_host .= ':' . $server['MYSQL_PORT'];
-                       }
-                       $this->configCache->set('database', 'hostname', $db_host);
-                       unset($db_host);
-                       if (!empty($server['MYSQL_USERNAME'])) {
-                               $this->configCache->set('database', 'username', $server['MYSQL_USERNAME']);
-                       } else {
-                               $this->configCache->set('database', 'username', $server['MYSQL_USER']);
-                       }
-                       $this->configCache->set('database', 'password', (string) $server['MYSQL_PASSWORD']);
-                       $this->configCache->set('database', 'database', $server['MYSQL_DATABASE']);
-               }
-       }
-
        public function connect()
        {
                if (!is_null($this->connection) && $this->connected()) {
@@ -124,6 +105,11 @@ class Database
                if (count($serverdata) > 1) {
                        $port = trim($serverdata[1]);
                }
+
+               if (!empty(trim($this->configCache->get('database', 'port')))) {
+                       $port = trim($this->configCache->get('database', 'port'));
+               }
+
                $server  = trim($server);
                $user    = trim($this->configCache->get('database', 'username'));
                $pass    = trim($this->configCache->get('database', 'password'));
@@ -140,7 +126,7 @@ class Database
                $this->pdo_emulate_prepares = (bool)$this->configCache->get('database', 'pdo_emulate_prepares');
 
                if (!$this->configCache->get('database', 'disable_pdo') && class_exists('\PDO') && in_array('mysql', PDO::getAvailableDrivers())) {
-                       $this->driver = 'pdo';
+                       $this->driver = self::PDO;
                        $connect      = "mysql:host=" . $server . ";dbname=" . $db;
 
                        if ($port > 0) {
@@ -161,7 +147,7 @@ class Database
                }
 
                if (!$this->connected && class_exists('\mysqli')) {
-                       $this->driver = 'mysqli';
+                       $this->driver = self::MYSQLI;
 
                        if ($port > 0) {
                                $this->connection = @new mysqli($server, $user, $pass, $db, $port);
@@ -222,10 +208,10 @@ class Database
        {
                if (!is_null($this->connection)) {
                        switch ($this->driver) {
-                               case 'pdo':
+                               case self::PDO:
                                        $this->connection = null;
                                        break;
-                               case 'mysqli':
+                               case self::MYSQLI:
                                        $this->connection->close();
                                        $this->connection = null;
                                        break;
@@ -255,6 +241,16 @@ class Database
                return $this->connection;
        }
 
+       /**
+        * Return the database driver string
+        *
+        * @return string with either "pdo" or "mysqli"
+        */
+       public function getDriver()
+       {
+               return $this->driver;
+       }
+
        /**
         * Returns the MySQL server version string
         *
@@ -267,10 +263,10 @@ class Database
        {
                if ($this->server_info == '') {
                        switch ($this->driver) {
-                               case 'pdo':
+                               case self::PDO:
                                        $this->server_info = $this->connection->getAttribute(PDO::ATTR_SERVER_VERSION);
                                        break;
-                               case 'mysqli':
+                               case self::MYSQLI:
                                        $this->server_info = $this->connection->server_info;
                                        break;
                        }
@@ -367,10 +363,10 @@ class Database
        {
                if ($this->connected) {
                        switch ($this->driver) {
-                               case 'pdo':
+                               case self::PDO:
                                        return substr(@$this->connection->quote($str, PDO::PARAM_STR), 1, -1);
 
-                               case 'mysqli':
+                               case self::MYSQLI:
                                        return @$this->connection->real_escape_string($str);
                        }
                } else {
@@ -392,14 +388,14 @@ class Database
                }
 
                switch ($this->driver) {
-                       case 'pdo':
+                       case self::PDO:
                                $r = $this->p("SELECT 1");
                                if ($this->isResult($r)) {
                                        $row       = $this->toArray($r);
                                        $connected = ($row[0]['1'] == '1');
                                }
                                break;
-                       case 'mysqli':
+                       case self::MYSQLI:
                                $connected = $this->connection->ping();
                                break;
                }
@@ -529,7 +525,7 @@ class Database
                }
 
                switch ($this->driver) {
-                       case 'pdo':
+                       case self::PDO:
                                // If there are no arguments we use "query"
                                if ($this->emulate_prepares || count($args) == 0) {
                                        if (!$retval = $this->connection->query($this->replaceParameters($sql, $args))) {
@@ -574,7 +570,7 @@ class Database
                                        $this->affected_rows = $retval->rowCount();
                                }
                                break;
-                       case 'mysqli':
+                       case self::MYSQLI:
                                // There are SQL statements that cannot be executed with a prepared statement
                                $parts           = explode(' ', $orig_sql);
                                $command         = strtolower($parts[0]);
@@ -658,7 +654,7 @@ class Database
                        $errorno = $this->errorno;
 
                        if ($this->testmode) {
-                               throw new Exception(DI::l10n()->t('Database error %d "%s" at "%s"', $errorno, $error, $this->replaceParameters($sql, $args)));
+                               throw new DatabaseException($error, $errorno, $this->replaceParameters($sql, $args));
                        }
 
                        $this->logger->error('DB Error', [
@@ -761,7 +757,7 @@ class Database
                        $errorno = $this->errorno;
 
                        if ($this->testmode) {
-                               throw new Exception(DI::l10n()->t('Database error %d "%s" at "%s"', $errorno, $error, $this->replaceParameters($sql, $params)));
+                               throw new DatabaseException($error, $errorno, $this->replaceParameters($sql, $params));
                        }
 
                        $this->logger->error('DB Error', [
@@ -882,9 +878,9 @@ class Database
                        return 0;
                }
                switch ($this->driver) {
-                       case 'pdo':
+                       case self::PDO:
                                return $stmt->columnCount();
-                       case 'mysqli':
+                       case self::MYSQLI:
                                return $stmt->field_count;
                }
                return 0;
@@ -903,9 +899,9 @@ class Database
                        return 0;
                }
                switch ($this->driver) {
-                       case 'pdo':
+                       case self::PDO:
                                return $stmt->rowCount();
-                       case 'mysqli':
+                       case self::MYSQLI:
                                return $stmt->num_rows;
                }
                return 0;
@@ -930,10 +926,13 @@ class Database
                }
 
                switch ($this->driver) {
-                       case 'pdo':
+                       case self::PDO:
                                $columns = $stmt->fetch(PDO::FETCH_ASSOC);
+                               if (!empty($stmt->table) && is_array($columns)) {
+                                       $columns = $this->castFields($stmt->table, $columns);
+                               }
                                break;
-                       case 'mysqli':
+                       case self::MYSQLI:
                                if (get_class($stmt) == 'mysqli_result') {
                                        $columns = $stmt->fetch_assoc();
                                        break;
@@ -974,29 +973,37 @@ class Database
        /**
         * Insert a row into a table
         *
-        * @param string|array $table               Table name or array [schema => table]
-        * @param array        $param               parameter array
-        * @param bool         $on_duplicate_update Do an update on a duplicate entry
+        * @param string|array $table          Table name or array [schema => table]
+        * @param array        $param          parameter array
+        * @param int          $duplicate_mode What to do on a duplicated entry
         *
         * @return boolean was the insert successful?
         * @throws \Exception
         */
-       public function insert($table, array $param, bool $on_duplicate_update = false)
+       public function insert($table, array $param, int $duplicate_mode = self::INSERT_DEFAULT)
        {
                if (empty($table) || empty($param)) {
                        $this->logger->info('Table and fields have to be set');
                        return false;
                }
 
+               $param = $this->castFields($table, $param);
+
                $table_string = DBA::buildTableString($table);
 
                $fields_string = implode(', ', array_map([DBA::class, 'quoteIdentifier'], array_keys($param)));
 
                $values_string = substr(str_repeat("?, ", count($param)), 0, -2);
 
-               $sql = "INSERT INTO " . $table_string . " (" . $fields_string . ") VALUES (" . $values_string . ")";
+               $sql = "INSERT ";
+
+               if ($duplicate_mode == self::INSERT_IGNORE) {
+                       $sql .= "IGNORE ";
+               }
+
+               $sql .= "INTO " . $table_string . " (" . $fields_string . ") VALUES (" . $values_string . ")";
 
-               if ($on_duplicate_update) {
+               if ($duplicate_mode == self::INSERT_UPDATE) {
                        $fields_string = implode(' = ?, ', array_map([DBA::class, 'quoteIdentifier'], array_keys($param)));
 
                        $sql .= " ON DUPLICATE KEY UPDATE " . $fields_string . " = ?";
@@ -1005,7 +1012,12 @@ class Database
                        $param  = array_merge_recursive($values, $values);
                }
 
-               return $this->e($sql, $param);
+               $result = $this->e($sql, $param);
+               if (!$result || ($duplicate_mode != self::INSERT_IGNORE)) {
+                       return $result;
+               }
+
+               return $this->affectedRows() != 0;
        }
 
        /**
@@ -1025,6 +1037,8 @@ class Database
                        return false;
                }
 
+               $param = $this->castFields($table, $param);
+
                $table_string = DBA::buildTableString($table);
 
                $fields_string = implode(', ', array_map([DBA::class, 'quoteIdentifier'], array_keys($param)));
@@ -1044,14 +1058,14 @@ class Database
        public function lastInsertId()
        {
                switch ($this->driver) {
-                       case 'pdo':
+                       case self::PDO:
                                $id = $this->connection->lastInsertId();
                                break;
-                       case 'mysqli':
+                       case self::MYSQLI:
                                $id = $this->connection->insert_id;
                                break;
                }
-               return $id;
+               return (int)$id;
        }
 
        /**
@@ -1067,7 +1081,7 @@ class Database
        public function lock($table)
        {
                // See here: https://dev.mysql.com/doc/refman/5.7/en/lock-tables-and-transactions.html
-               if ($this->driver == 'pdo') {
+               if ($this->driver == self::PDO) {
                        $this->e("SET autocommit=0");
                        $this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, true);
                } else {
@@ -1076,12 +1090,12 @@ class Database
 
                $success = $this->e("LOCK TABLES " . DBA::buildTableString($table) . " WRITE");
 
-               if ($this->driver == 'pdo') {
+               if ($this->driver == self::PDO) {
                        $this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, $this->pdo_emulate_prepares);
                }
 
                if (!$success) {
-                       if ($this->driver == 'pdo') {
+                       if ($this->driver == self::PDO) {
                                $this->e("SET autocommit=1");
                        } else {
                                $this->connection->autocommit(true);
@@ -1103,13 +1117,13 @@ class Database
                // See here: https://dev.mysql.com/doc/refman/5.7/en/lock-tables-and-transactions.html
                $this->performCommit();
 
-               if ($this->driver == 'pdo') {
+               if ($this->driver == self::PDO) {
                        $this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, true);
                }
 
                $success = $this->e("UNLOCK TABLES");
 
-               if ($this->driver == 'pdo') {
+               if ($this->driver == self::PDO) {
                        $this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, $this->pdo_emulate_prepares);
                        $this->e("SET autocommit=1");
                } else {
@@ -1132,13 +1146,13 @@ class Database
                }
 
                switch ($this->driver) {
-                       case 'pdo':
+                       case self::PDO:
                                if (!$this->connection->inTransaction() && !$this->connection->beginTransaction()) {
                                        return false;
                                }
                                break;
 
-                       case 'mysqli':
+                       case self::MYSQLI:
                                if (!$this->connection->begin_transaction()) {
                                        return false;
                                }
@@ -1152,14 +1166,14 @@ class Database
        protected function performCommit()
        {
                switch ($this->driver) {
-                       case 'pdo':
+                       case self::PDO:
                                if (!$this->connection->inTransaction()) {
                                        return true;
                                }
 
                                return $this->connection->commit();
 
-                       case 'mysqli':
+                       case self::MYSQLI:
                                return $this->connection->commit();
                }
 
@@ -1190,7 +1204,7 @@ class Database
                $ret = false;
 
                switch ($this->driver) {
-                       case 'pdo':
+                       case self::PDO:
                                if (!$this->connection->inTransaction()) {
                                        $ret = true;
                                        break;
@@ -1198,7 +1212,7 @@ class Database
                                $ret = $this->connection->rollBack();
                                break;
 
-                       case 'mysqli':
+                       case self::MYSQLI:
                                $ret = $this->connection->rollback();
                                break;
                }
@@ -1421,7 +1435,7 @@ class Database
                        if (is_bool($old_fields)) {
                                if ($do_insert) {
                                        $values = array_merge($condition, $fields);
-                                       return $this->insert($table, $values, $do_insert);
+                                       return $this->replace($table, $values);
                                }
                                $old_fields = [];
                        }
@@ -1437,6 +1451,8 @@ class Database
                        return true;
                }
 
+               $fields = $this->castFields($table, $fields);
+
                $table_string = DBA::buildTableString($table);
 
                $condition_string = DBA::buildCondition($condition);
@@ -1545,6 +1561,10 @@ class Database
 
                $result = $this->p($sql, $condition);
 
+               if (($this->driver == self::PDO) && !empty($result) && is_string($table)) {
+                       $result->table = $table;
+               }
+
                return $result;
        }
 
@@ -1589,7 +1609,8 @@ class Database
 
                $row = $this->fetchFirst($sql, $condition);
 
-               return $row['count'];
+               // Ensure to always return either a "null" or a numeric value
+               return is_numeric($row['count']) ? (int)$row['count'] : $row['count'];
        }
 
        /**
@@ -1618,6 +1639,71 @@ class Database
                return $data;
        }
 
+       /**
+        * Cast field types according to the table definition
+        *
+        * @param string $table
+        * @param array  $fields
+        * @return array casted fields
+        */
+       public function castFields(string $table, array $fields) {
+               // When there is no data, we don't need to do something
+               if (empty($fields)) {
+                       return $fields;
+               }
+
+               // We only need to cast fields with PDO
+               if ($this->driver != self::PDO) {
+                       return $fields;
+               }
+
+               // We only need to cast when emulating the prepares
+               if (!$this->connection->getAttribute(PDO::ATTR_EMULATE_PREPARES)) {
+                       return $fields;
+               }
+
+               $types = [];
+
+               $tables = DBStructure::definition('', false);
+               if (empty($tables[$table])) {
+                       // When a matching table wasn't found we check if it is a view
+                       $views = View::definition('', false);
+                       if (empty($views[$table])) {
+                               return $fields;
+                       }
+
+                       foreach(array_keys($fields) as $field) {
+                               if (!empty($views[$table]['fields'][$field])) {
+                                       $viewdef = $views[$table]['fields'][$field];
+                                       if (!empty($tables[$viewdef[0]]['fields'][$viewdef[1]]['type'])) {
+                                               $types[$field] = $tables[$viewdef[0]]['fields'][$viewdef[1]]['type'];
+                                       }
+                               }
+                       }
+               } else {
+                       foreach ($tables[$table]['fields'] as $field => $definition) {
+                               $types[$field] = $definition['type'];
+                       }
+               }
+
+               foreach ($fields as $field => $content) {
+                       if (is_null($content) || empty($types[$field])) {
+                               continue;
+                       }
+
+                       if ((substr($types[$field], 0, 7) == 'tinyint') || (substr($types[$field], 0, 8) == 'smallint') ||
+                               (substr($types[$field], 0, 9) == 'mediumint') || (substr($types[$field], 0, 3) == 'int') ||
+                               (substr($types[$field], 0, 6) == 'bigint') || (substr($types[$field], 0, 7) == 'boolean')) {
+                               $fields[$field] = (int)$content;
+                       }
+                       if ((substr($types[$field], 0, 5) == 'float') || (substr($types[$field], 0, 6) == 'double')) {
+                               $fields[$field] = (float)$content;
+                       }
+               }
+
+               return $fields; 
+       }
+       
        /**
         * Returns the error number of the last query
         *
@@ -1655,10 +1741,10 @@ class Database
                }
 
                switch ($this->driver) {
-                       case 'pdo':
+                       case self::PDO:
                                $ret = $stmt->closeCursor();
                                break;
-                       case 'mysqli':
+                       case self::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.