fix reverse engineering LOB type column types in MySQL

lib/Doctrine/DBAL/Schema/MySqlSchemaManager.php

@@ -19,6 +19,7 @@
 
 namespace Doctrine\DBAL\Schema;
 
+use Doctrine\DBAL\Platforms\MySqlPlatform;
 use Doctrine\DBAL\Types\Type;
 
 /**
@@ -146,16 +147,30 @@ class MySqlSchemaManager extends AbstractSchemaManager
                     $length = null;
                 }
                 break;
+            case 'tinytext':
+                $length = MySqlPlatform::LENGTH_LIMIT_TINYTEXT;
+                break;
+            case 'text':
+                $length = MySqlPlatform::LENGTH_LIMIT_TEXT;
+                break;
+            case 'mediumtext':
+                $length = MySqlPlatform::LENGTH_LIMIT_MEDIUMTEXT;
+                break;
+            case 'tinyblob':
+                $length = MySqlPlatform::LENGTH_LIMIT_TINYBLOB;
+                break;
+            case 'blob':
+                $length = MySqlPlatform::LENGTH_LIMIT_BLOB;
+                break;
+            case 'mediumblob':
+                $length = MySqlPlatform::LENGTH_LIMIT_MEDIUMBLOB;
+                break;
             case 'tinyint':
             case 'smallint':
             case 'mediumint':
             case 'int':
             case 'integer':
             case 'bigint':
-            case 'tinyblob':
-            case 'mediumblob':
-            case 'longblob':
-            case 'blob':
             case 'year':
                 $length = null;
                 break;

tests/Doctrine/Tests/DBAL/Functional/Schema/MySqlSchemaManagerTest.php

@@ -2,6 +2,7 @@
 
 namespace Doctrine\Tests\DBAL\Functional\Schema;
 
+use Doctrine\DBAL\Platforms\MySqlPlatform;
 use Doctrine\DBAL\Schema\Comparator;
 use Doctrine\DBAL\Schema\Table;
 use Doctrine\DBAL\Schema\Schema;
@@ -199,4 +200,63 @@ class MySqlSchemaManagerTest extends SchemaManagerFunctionalTestCase
         $this->assertEquals('latin1_swedish_ci', $columns['foo']->getPlatformOption('collation'));
         $this->assertEquals('utf8_general_ci', $columns['bar']->getPlatformOption('collation'));
     }
+
+    /**
+     * @group DBAL-843
+     */
+    public function testListLobTypeColumns()
+    {
+        $tableName = 'lob_type_columns';
+        $table = new Table($tableName);
+
+        $table->addColumn('col_tinytext', 'text', array('length' => MySqlPlatform::LENGTH_LIMIT_TINYTEXT));
+        $table->addColumn('col_text', 'text', array('length' => MySqlPlatform::LENGTH_LIMIT_TEXT));
+        $table->addColumn('col_mediumtext', 'text', array('length' => MySqlPlatform::LENGTH_LIMIT_MEDIUMTEXT));
+        $table->addColumn('col_longtext', 'text');
+
+        $table->addColumn('col_tinyblob', 'text', array('length' => MySqlPlatform::LENGTH_LIMIT_TINYBLOB));
+        $table->addColumn('col_blob', 'blob', array('length' => MySqlPlatform::LENGTH_LIMIT_BLOB));
+        $table->addColumn('col_mediumblob', 'blob', array('length' => MySqlPlatform::LENGTH_LIMIT_MEDIUMBLOB));
+        $table->addColumn('col_longblob', 'blob');
+
+        $this->_sm->dropAndCreateTable($table);
+
+        $platform = $this->_sm->getDatabasePlatform();
+        $offlineColumns = $table->getColumns();
+        $onlineColumns = $this->_sm->listTableColumns($tableName);
+
+        $this->assertSame(
+            $platform->getClobTypeDeclarationSQL($offlineColumns['col_tinytext']->toArray()),
+            $platform->getClobTypeDeclarationSQL($onlineColumns['col_tinytext']->toArray())
+        );
+        $this->assertSame(
+            $platform->getClobTypeDeclarationSQL($offlineColumns['col_text']->toArray()),
+            $platform->getClobTypeDeclarationSQL($onlineColumns['col_text']->toArray())
+        );
+        $this->assertSame(
+            $platform->getClobTypeDeclarationSQL($offlineColumns['col_mediumtext']->toArray()),
+            $platform->getClobTypeDeclarationSQL($onlineColumns['col_mediumtext']->toArray())
+        );
+        $this->assertSame(
+            $platform->getClobTypeDeclarationSQL($offlineColumns['col_longtext']->toArray()),
+            $platform->getClobTypeDeclarationSQL($onlineColumns['col_longtext']->toArray())
+        );
+
+        $this->assertSame(
+            $platform->getBlobTypeDeclarationSQL($offlineColumns['col_tinyblob']->toArray()),
+            $platform->getBlobTypeDeclarationSQL($onlineColumns['col_tinyblob']->toArray())
+        );
+        $this->assertSame(
+            $platform->getBlobTypeDeclarationSQL($offlineColumns['col_blob']->toArray()),
+            $platform->getBlobTypeDeclarationSQL($onlineColumns['col_blob']->toArray())
+        );
+        $this->assertSame(
+            $platform->getBlobTypeDeclarationSQL($offlineColumns['col_mediumblob']->toArray()),
+            $platform->getBlobTypeDeclarationSQL($onlineColumns['col_mediumblob']->toArray())
+        );
+        $this->assertSame(
+            $platform->getBlobTypeDeclarationSQL($offlineColumns['col_longblob']->toArray()),
+            $platform->getBlobTypeDeclarationSQL($onlineColumns['col_longblob']->toArray())
+        );
+    }
 }