Remove deprecated APIs

UPGRADE.md

@@ -1,5 +1,13 @@
 # Upgrade to 3.0
 
+## BC BREAK: `Doctrine\DBAL\Types\Type::getDefaultLength()` removed
+
+The `Doctrine\DBAL\Types\Type::getDefaultLength()` method has been removed as it served no purpose.
+
+## BC BREAK: `Doctrine\DBAL\DBALException` class renamed
+
+The `Doctrine\DBAL\DBALException` class has been renamed to `Doctrine\DBAL\Exception`. 
+
 ## BC BREAK: Doctrine\DBAL\Schema\Table constructor new parameter
 
 Deprecated parameter `$idGeneratorType` removed and added a new parameter `$uniqueConstraints`.

src/Driver/SQLSrv/Statement.php

@@ -21,6 +21,7 @@
 use function stripos;
 
 use const SQLSRV_ENC_BINARY;
+use const SQLSRV_ENC_CHAR;
 use const SQLSRV_PARAM_IN;
 
 final class Statement implements StatementInterface

src/Exception.php

@@ -2,9 +2,151 @@
 
 namespace Doctrine\DBAL;
 
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+use Doctrine\DBAL\Types\Type;
+
+use function get_class;
+use function gettype;
+use function implode;
+use function is_object;
+use function spl_object_hash;
+use function sprintf;
+
 /**
  * @psalm-immutable
  */
-class Exception extends DBALException
+class Exception extends \Exception
 {
+    public static function notSupported(string $method): self
+    {
+        return new self(sprintf("Operation '%s' is not supported by platform.", $method));
+    }
+
+    /**
+     * @param mixed $invalidPlatform
+     */
+    public static function invalidPlatformType($invalidPlatform): self
+    {
+        if (is_object($invalidPlatform)) {
+            return new self(
+                sprintf(
+                    "Option 'platform' must be a subtype of '%s', instance of '%s' given",
+                    AbstractPlatform::class,
+                    get_class($invalidPlatform)
+                )
+            );
+        }
+
+        return new self(
+            sprintf(
+                "Option 'platform' must be an object and subtype of '%s'. Got '%s'",
+                AbstractPlatform::class,
+                gettype($invalidPlatform)
+            )
+        );
+    }
+
+    /**
+     * Returns a new instance for an invalid specified platform version.
+     *
+     * @param string $version        The invalid platform version given.
+     * @param string $expectedFormat The expected platform version format.
+     */
+    public static function invalidPlatformVersionSpecified(string $version, string $expectedFormat): self
+    {
+        return new self(
+            sprintf(
+                'Invalid platform version "%s" specified. ' .
+                'The platform version has to be specified in the format: "%s".',
+                $version,
+                $expectedFormat
+            )
+        );
+    }
+
+    /**
+     * @param string|null $url The URL that was provided in the connection parameters (if any).
+     */
+    public static function driverRequired(?string $url = null): self
+    {
+        if ($url !== null) {
+            return new self(
+                sprintf(
+                    "The options 'driver' or 'driverClass' are mandatory if a connection URL without scheme " .
+                    'is given to DriverManager::getConnection(). Given URL: %s',
+                    $url
+                )
+            );
+        }
+
+        return new self("The options 'driver' or 'driverClass' are mandatory if no PDO " .
+            'instance is given to DriverManager::getConnection().');
+    }
+
+    /**
+     * @param string[] $knownDrivers
+     */
+    public static function unknownDriver(string $unknownDriverName, array $knownDrivers): self
+    {
+        return new self("The given 'driver' " . $unknownDriverName . ' is unknown, ' .
+            'Doctrine currently supports only the following drivers: ' . implode(', ', $knownDrivers));
+    }
+
+    public static function invalidWrapperClass(string $wrapperClass): self
+    {
+        return new self("The given 'wrapperClass' " . $wrapperClass . ' has to be a ' .
+            'subtype of \Doctrine\DBAL\Connection.');
+    }
+
+    public static function invalidDriverClass(string $driverClass): self
+    {
+        return new self(
+            "The given 'driverClass' " . $driverClass . ' has to implement the ' . Driver::class . ' interface.'
+        );
+    }
+
+    public static function noColumnsSpecifiedForTable(string $tableName): self
+    {
+        return new self('No columns specified for table ' . $tableName);
+    }
+
+    public static function limitOffsetInvalid(): self
+    {
+        return new self('Invalid Offset in Limit Query, it has to be larger than or equal to 0.');
+    }
+
+    public static function typeExists(string $name): self
+    {
+        return new self('Type ' . $name . ' already exists.');
+    }
+
+    public static function unknownColumnType(string $name): self
+    {
+        return new self('Unknown column type "' . $name . '" requested. Any Doctrine type that you use has ' .
+            'to be registered with \Doctrine\DBAL\Types\Type::addType(). You can get a list of all the ' .
+            'known types with \Doctrine\DBAL\Types\Type::getTypesMap(). If this error occurs during database ' .
+            'introspection then you might have forgotten to register all database types for a Doctrine Type. Use ' .
+            'AbstractPlatform#registerDoctrineTypeMapping() or have your custom types implement ' .
+            'Type#getMappedDatabaseTypes(). If the type name is empty you might ' .
+            'have a problem with the cache or forgot some mapping information.');
+    }
+
+    public static function typeNotFound(string $name): self
+    {
+        return new self('Type to be overwritten ' . $name . ' does not exist.');
+    }
+
+    public static function typeNotRegistered(Type $type): self
+    {
+        return new self(
+            sprintf('Type of the class %s@%s is not registered.', get_class($type), spl_object_hash($type))
+        );
+    }
+
+    public static function typeAlreadyRegistered(Type $type): self
+    {
+        return new self(
+            sprintf('Type of the class %s@%s is already registered.', get_class($type), spl_object_hash($type))
+        );
+    }
 }

src/Platforms/AbstractPlatform.php

@@ -3147,18 +3147,6 @@ public function supportsForeignKeyConstraints()
         return true;
     }
 
-    /**
-     * Whether this platform supports onUpdate in foreign key constraints.
-     *
-     * @deprecated
-     *
-     * @return bool
-     */
-    public function supportsForeignKeyOnUpdate()
-    {
-        return $this->supportsForeignKeyConstraints();
-    }
-
     /**
      * Whether the platform supports database schemas.
      *