Bump Psalm level to 3

lib/Doctrine/DBAL/Cache/ResultCacheStatement.php

@@ -244,7 +244,7 @@ public function fetchAllNumeric(): array
 
         $this->store($data);
 
-        return array_map('array_values', $this->data);
+        return array_map('array_values', $data);
     }
 
     /**

lib/Doctrine/DBAL/Configuration.php

@@ -73,7 +73,7 @@ public function setResultCacheImpl(Cache $cacheImpl)
      *
      * @deprecated Use Configuration::setSchemaAssetsFilter() instead
      *
-     * @param string $filterExpression
+     * @param string|null $filterExpression
      *
      * @return void
      */

lib/Doctrine/DBAL/Driver/IBMDB2/DB2Connection.php

@@ -37,7 +37,7 @@
 class DB2Connection implements ConnectionInterface, ServerInfoAwareConnection
 {
     /** @var resource */
-    private $conn = null;
+    private $conn;
 
     /**
      * @internal The connection can be only instantiated by its driver.
@@ -93,7 +93,7 @@ public function prepare($sql)
         $stmt = @db2_prepare($this->conn, $sql);
 
         if ($stmt === false) {
-            throw PrepareFailed::new(error_get_last()['message']);
+            throw PrepareFailed::new(error_get_last());
         }
 
         return new Statement($stmt);

lib/Doctrine/DBAL/Driver/IBMDB2/DB2Statement.php

@@ -455,9 +455,9 @@ public function free(): void
     /**
      * Casts a stdClass object to the given class name mapping its' properties.
      *
-     * @param stdClass      $sourceObject     Object to cast from.
-     * @param string|object $destinationClass Name of the class or class instance to cast to.
-     * @param mixed[]       $ctorArgs         Arguments to use for constructing the destination class instance.
+     * @param stdClass            $sourceObject     Object to cast from.
+     * @param class-string|object $destinationClass Name of the class or class instance to cast to.
+     * @param mixed[]             $ctorArgs         Arguments to use for constructing the destination class instance.
      *
      * @return object
      *
@@ -527,7 +527,7 @@ private function createTemporaryFile()
         $handle = @tmpfile();
 
         if ($handle === false) {
-            throw CannotCreateTemporaryFile::new(error_get_last()['message']);
+            throw CannotCreateTemporaryFile::new(error_get_last());
         }
 
         return $handle;
@@ -542,7 +542,7 @@ private function createTemporaryFile()
     private function copyStreamToStream($source, $target): void
     {
         if (@stream_copy_to_stream($source, $target) === false) {
-            throw CannotCopyStreamToStream::new(error_get_last()['message']);
+            throw CannotCopyStreamToStream::new(error_get_last());
         }
     }
 
@@ -554,7 +554,7 @@ private function copyStreamToStream($source, $target): void
     private function writeStringToStream(string $string, $target): void
     {
         if (@fwrite($target, $string) === false) {
-            throw CannotWriteToTemporaryFile::new(error_get_last()['message']);
+            throw CannotWriteToTemporaryFile::new(error_get_last());
         }
     }
 }

lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotCopyStreamToStream.php

@@ -13,8 +13,17 @@
  */
 final class CannotCopyStreamToStream extends DB2Exception
 {
-    public static function new(string $message): self
+    /**
+     * @psalm-param array{message: string}|null $error
+     */
+    public static function new(?array $error): self
     {
-        return new self('Could not copy source stream to temporary file: ' . $message);
+        $message = 'Could not copy source stream to temporary file';
+
+        if ($error !== null) {
+            $message .= ': ' . $error['message'];
+        }
+
+        return new self($message);
     }
 }

lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotCreateTemporaryFile.php

@@ -13,8 +13,17 @@
  */
 final class CannotCreateTemporaryFile extends DB2Exception
 {
-    public static function new(string $message): self
+    /**
+     * @psalm-param array{message: string}|null $error
+     */
+    public static function new(?array $error): self
     {
-        return new self('Could not create temporary file: ' . $message);
+        $message = 'Could not create temporary file';
+
+        if ($error !== null) {
+            $message .= ': ' . $error['message'];
+        }
+
+        return new self($message);
     }
 }

lib/Doctrine/DBAL/Driver/IBMDB2/Exception/CannotWriteToTemporaryFile.php

@@ -13,8 +13,17 @@
  */
 final class CannotWriteToTemporaryFile extends DB2Exception
 {
-    public static function new(string $message): self
+    /**
+     * @psalm-param array{message: string}|null $error
+     */
+    public static function new(?array $error): self
     {
-        return new self('Could not write string to temporary file: ' . $message);
+        $message = 'Could not write string to temporary file';
+
+        if ($error !== null) {
+            $message .= ': ' . $error['message'];
+        }
+
+        return new self($message);
     }
 }

lib/Doctrine/DBAL/Driver/IBMDB2/Exception/PrepareFailed.php

@@ -13,8 +13,15 @@
  */
 final class PrepareFailed extends AbstractException
 {
-    public static function new(string $message): self
+    /**
+     * @psalm-param array{message: string}|null $error
+     */
+    public static function new(?array $error): self
     {
-        return new self($message);
+        if ($error === null) {
+            return new self('Unknown error');
+        }
+
+        return new self($error['message']);
     }
 }

lib/Doctrine/DBAL/Driver/OCI8/OCI8Statement.php

@@ -299,8 +299,7 @@ public function bindParam($param, &$variable, $type = ParameterType::STRING, $le
         if ($type === ParameterType::LARGE_OBJECT) {
             $lob = oci_new_descriptor($this->_dbh, OCI_D_LOB);
 
-            $class = 'OCI-Lob';
-            assert($lob instanceof $class);
+            assert($lob !== false);
 
             $lob->writeTemporary($variable, OCI_TEMP_BLOB);
 

lib/Doctrine/DBAL/Driver/SQLAnywhere/Driver.php

@@ -52,15 +52,15 @@ public function getName()
     /**
      * Build the connection string for given connection parameters and driver options.
      *
-     * @param string  $host          Host address to connect to.
-     * @param int     $port          Port to use for the connection (default to SQL Anywhere standard port 2638).
-     * @param string  $server        Database server name on the host to connect to.
-     *                               SQL Anywhere allows multiple database server instances on the same host,
-     *                               therefore specifying the server instance name to use is mandatory.
-     * @param string  $dbname        Name of the database on the server instance to connect to.
-     * @param string  $username      User name to use for connection authentication.
-     * @param string  $password      Password to use for connection authentication.
-     * @param mixed[] $driverOptions Additional parameters to use for the connection.
+     * @param string|null $host          Host address to connect to.
+     * @param int|null    $port          Port to use for the connection (default to SQL Anywhere standard port 2638).
+     * @param string|null $server        Database server name on the host to connect to.
+     *                              SQL Anywhere allows multiple database server instances on the same host,
+     *                              therefore specifying the server instance name to use is mandatory.
+     * @param string|null $dbname        Name of the database on the server instance to connect to.
+     * @param string      $username      User name to use for connection authentication.
+     * @param string      $password      Password to use for connection authentication.
+     * @param mixed[]     $driverOptions Additional parameters to use for the connection.
      *
      * @return string
      */

lib/Doctrine/DBAL/Driver/SQLAnywhere/SQLAnywhereStatement.php

@@ -419,9 +419,9 @@ public function setFetchMode($fetchMode, $arg2 = null, $arg3 = null)
     /**
      * Casts a stdClass object to the given class name mapping its' properties.
      *
-     * @param stdClass      $sourceObject     Object to cast from.
-     * @param string|object $destinationClass Name of the class or class instance to cast to.
-     * @param mixed[]       $ctorArgs         Arguments to use for constructing the destination class instance.
+     * @param stdClass            $sourceObject     Object to cast from.
+     * @param class-string|object $destinationClass Name of the class or class instance to cast to.
+     * @param mixed[]             $ctorArgs         Arguments to use for constructing the destination class instance.
      *
      * @return object
      *

lib/Doctrine/DBAL/DriverManager.php

@@ -113,7 +113,7 @@ private function __construct()
      * <b>driverClass</b>:
      * The driver class to use.
      *
-     * @param  array{wrapperClass?: class-string<T>} $params
+     * @param array{wrapperClass?: class-string<T>} $params
      * @param Configuration|null                    $config       The configuration to use.
      * @param EventManager|null                     $eventManager The event manager to use.
      *
@@ -195,6 +195,7 @@ public static function getConnection(
                 throw Exception::invalidWrapperClass($params['wrapperClass']);
             }
 
+            /** @var class-string<Connection> $wrapperClass */
             $wrapperClass = $params['wrapperClass'];
         }
 

lib/Doctrine/DBAL/Event/SchemaColumnDefinitionEventArgs.php

@@ -12,7 +12,7 @@
 class SchemaColumnDefinitionEventArgs extends SchemaEventArgs
 {
     /** @var Column|null */
-    private $column = null;
+    private $column;
 
     /**
      * Raw column data as fetched from the database.

lib/Doctrine/DBAL/Event/SchemaDropTableEventArgs.php

@@ -18,7 +18,7 @@ class SchemaDropTableEventArgs extends SchemaEventArgs
     private $platform;
 
     /** @var string|null */
-    private $sql = null;
+    private $sql;
 
     /**
      * @param string|Table $table

lib/Doctrine/DBAL/Event/SchemaIndexDefinitionEventArgs.php

@@ -12,7 +12,7 @@
 class SchemaIndexDefinitionEventArgs extends SchemaEventArgs
 {
     /** @var Index|null */
-    private $index = null;
+    private $index;
 
     /**
      * Raw index data as fetched from the database.

lib/Doctrine/DBAL/Platforms/AbstractPlatform.php

@@ -132,15 +132,15 @@ abstract class AbstractPlatform
     public const TRIM_BOTH = TrimMode::BOTH;
 
     /** @var string[]|null */
-    protected $doctrineTypeMapping = null;
+    protected $doctrineTypeMapping;
 
     /**
      * Contains a list of all columns that should generate parseable column comments for type-detection
      * in reverse engineering scenarios.
      *
      * @var string[]|null
      */
-    protected $doctrineTypeComments = null;
+    protected $doctrineTypeComments;
 
     /** @var EventManager */
     protected $_eventManager;
@@ -1602,8 +1602,10 @@ public function getCreateTableSQL(Table $table, $createFlags = self::CREATE_INDE
                 }
             }
 
+            $name = $column->getQuotedName($this);
+
             $columnData = array_merge($column->toArray(), [
-                'name' => $column->getQuotedName($this),
+                'name' => $name,
                 'version' => $column->hasPlatformOption('version') ? $column->getPlatformOption('version') : false,
                 'comment' => $this->getColumnComment($column),
             ]);
@@ -1616,7 +1618,7 @@ public function getCreateTableSQL(Table $table, $createFlags = self::CREATE_INDE
                 $columnData['primary'] = true;
             }
 
-            $columns[$columnData['name']] = $columnData;
+            $columns[$name] = $columnData;
         }
 
         if (($createFlags & self::CREATE_FOREIGNKEYS) > 0) {
@@ -1742,7 +1744,7 @@ protected function _getCreateTableSQL($name, array $columns, array $options = []
 
         $query .= ')';
 
-        $sql[] = $query;
+        $sql = [$query];
 
         if (isset($options['foreignKeys'])) {
             foreach ((array) $options['foreignKeys'] as $definition) {

lib/Doctrine/DBAL/Platforms/Keywords/KeywordList.php

@@ -12,7 +12,7 @@
 abstract class KeywordList
 {
     /** @var string[]|null */
-    private $keywords = null;
+    private $keywords;
 
     /**
      * Checks if the given word is a keyword of this dialect/vendor platform.

lib/Doctrine/DBAL/Platforms/SQLServerPlatform.php

@@ -1199,10 +1199,10 @@ public function getAsciiStringTypeDeclarationSQL(array $column): string
         $length = $column['length'] ?? null;
 
         if (! isset($column['fixed'])) {
-            return sprintf('VARCHAR(%d)', $length);
+            return sprintf('VARCHAR(%d)', $length ?? 255);
         }
 
-        return sprintf('CHAR(%d)', $length);
+        return sprintf('CHAR(%d)', $length ?? 255);
     }
 
     /**