Remove supportsCreateDropDatabase()

UPGRADE.md

@@ -12,7 +12,8 @@ awareness about deprecated code.
 
 1. `getDefaultSchemaName()`,
 2. `getIdentitySequenceName()`,
-3. `usesSequenceEmulatedIdentityColumns()`.
+3. `supportsCreateDropDatabase()`,
+4. `usesSequenceEmulatedIdentityColumns()`.
 
 ## BC BREAK: removed support for the `NULL` value of schema asset filter.
 

psalm.xml.dist

@@ -44,11 +44,6 @@
                 -->
                 <referencedMethod name="Doctrine\DBAL\Platforms\SqlitePlatform::getTinyIntTypeDeclarationSQL"/>
                 <referencedMethod name="Doctrine\DBAL\Platforms\SqlitePlatform::getMediumIntTypeDeclarationSQL"/>
-                <!--
-                    TODO: remove in 4.0.0
-                -->
-                <referencedMethod name="Doctrine\DBAL\Platforms\AbstractPlatform::supportsCreateDropDatabase"/>
-                <referencedMethod name="Doctrine\DBAL\Platforms\DB2Platform::supportsCreateDropDatabase"/>
             </errorLevel>
         </DeprecatedMethod>
         <DocblockTypeContradiction>

src/Platforms/AbstractPlatform.php

@@ -2079,26 +2079,16 @@ public function getSequenceNextValSQL(string $sequence): string
      */
     public function getCreateDatabaseSQL(string $name): string
     {
-        if (! $this->supportsCreateDropDatabase()) {
-            throw NotSupported::new(__METHOD__);
-        }
-
         return 'CREATE DATABASE ' . $name;
     }
 
     /**
      * Returns the SQL snippet to drop an existing database.
      *
      * @param string $name The name of the database that should be dropped.
-     *
-     * @throws Exception If not supported on this platform.
      */
     public function getDropDatabaseSQL(string $name): string
     {
-        if (! $this->supportsCreateDropDatabase()) {
-            throw NotSupported::new(__METHOD__);
-        }
-
         return 'DROP DATABASE ' . $name;
     }
 
@@ -2222,18 +2212,6 @@ public function supportsSchemas(): bool
         return false;
     }
 
-    /**
-     * Whether this platform supports create database.
-     *
-     * Some databases don't allow to create and drop databases at all or only with certain tools.
-     *
-     * @deprecated
-     */
-    public function supportsCreateDropDatabase(): bool
-    {
-        return true;
-    }
-
     /**
      * Whether this platform support to add inline column comments as postfix.
      */

src/Platforms/DB2Platform.php

@@ -14,7 +14,6 @@
 use Doctrine\DBAL\Schema\Identifier;
 use Doctrine\DBAL\Schema\Index;
 use Doctrine\DBAL\Schema\TableDiff;
-use Doctrine\Deprecations\Deprecation;
 
 use function array_merge;
 use function count;
@@ -206,21 +205,6 @@ public function getListViewsSQL(string $database): string
         return 'SELECT NAME, TEXT FROM SYSIBM.SYSVIEWS';
     }
 
-    /**
-     * @deprecated
-     */
-    public function supportsCreateDropDatabase(): bool
-    {
-        Deprecation::trigger(
-            'doctrine/dbal',
-            'https://github.com/doctrine/dbal/pull/5513',
-            '%s is deprecated.',
-            __METHOD__
-        );
-
-        return false;
-    }
-
     public function supportsCommentOnStatement(): bool
     {
         return true;

src/Platforms/SqlitePlatform.php

@@ -424,21 +424,6 @@ public function getAdvancedForeignKeyOptionsSQL(ForeignKeyConstraint $foreignKey
         return $query;
     }
 
-    /**
-     * @deprecated
-     */
-    public function supportsCreateDropDatabase(): bool
-    {
-        Deprecation::trigger(
-            'doctrine/dbal',
-            'https://github.com/doctrine/dbal/pull/5513',
-            '%s is deprecated.',
-            __METHOD__
-        );
-
-        return false;
-    }
-
     public function supportsIdentityColumns(): bool
     {
         return true;

tests/Functional/Schema/Db2SchemaManagerTest.php

@@ -4,6 +4,7 @@
 
 namespace Doctrine\DBAL\Tests\Functional\Schema;
 
+use Doctrine\DBAL\Exception;
 use Doctrine\DBAL\Platforms\AbstractPlatform;
 use Doctrine\DBAL\Platforms\DB2Platform;
 
@@ -13,4 +14,11 @@ protected function supportsPlatform(AbstractPlatform $platform): bool
     {
         return $platform instanceof DB2Platform;
     }
+
+    public function testListDatabases(): void
+    {
+        $this->expectException(Exception::class);
+
+        $this->schemaManager->listDatabases();
+    }
 }

tests/Functional/Schema/SchemaManagerFunctionalTestCase.php

@@ -153,10 +153,6 @@ public function testListSequences(): void
 
     public function testListDatabases(): void
     {
-        if (! $this->connection->getDatabasePlatform()->supportsCreateDropDatabase()) {
-            self::markTestSkipped('Cannot drop Database client side with this Driver.');
-        }
-
         try {
             $this->schemaManager->dropDatabase('test_create_database');
         } catch (DatabaseObjectNotFoundException $e) {

tests/Platforms/DB2PlatformTest.php

@@ -399,11 +399,6 @@ public function testDoesNotSupportReleasePoints(): void
         self::assertFalse($this->platform->supportsReleaseSavepoints());
     }
 
-    public function testDoesNotSupportCreateDropDatabase(): void
-    {
-        self::assertFalse($this->platform->supportsCreateDropDatabase());
-    }
-
     public function testGetVariableLengthStringTypeDeclarationSQLNoLength(): void
     {
         $this->expectException(ColumnLengthRequired::class);

tests/Platforms/SQLServerPlatformTestCase.php

@@ -155,11 +155,6 @@ public function testSupportsIdentityColumns(): void
         self::assertTrue($this->platform->supportsIdentityColumns());
     }
 
-    public function testSupportsCreateDropDatabase(): void
-    {
-        self::assertTrue($this->platform->supportsCreateDropDatabase());
-    }
-
     public function testSupportsSchemas(): void
     {
         self::assertTrue($this->platform->supportsSchemas());