fix renaming column with default value on SQL Server

lib/Doctrine/DBAL/Platforms/SQLServerPlatform.php

@@ -506,7 +506,10 @@ class SQLServerPlatform extends AbstractPlatform
 
             // Recreate default constraint with new column name if necessary (for future reference).
             if ($column->getDefault() !== null) {
-                $queryParts[] = $this->getAlterTableDropDefaultConstraintClause($diff->name, $oldColumnName);
+                $queryParts[] = $this->getAlterTableDropDefaultConstraintClause(
+                    $diff->name,
+                    $oldColumnName->getQuotedName($this)
+                );
                 $queryParts[] = $this->getAlterTableAddDefaultConstraintClause($diff->name, $column);
             }
         }

tests/Doctrine/Tests/DBAL/Platforms/AbstractMySQLPlatformTestCase.php

@@ -604,4 +604,14 @@ abstract class AbstractMySQLPlatformTestCase extends AbstractPlatformTestCase
     {
         $this->assertSame('CHAR(36)', $this->_platform->getGuidTypeDeclarationSQL(array()));
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlterTableRenameColumnSQL()
+    {
+        return array(
+            "ALTER TABLE foo CHANGE bar baz INT DEFAULT 666 NOT NULL COMMENT 'rename test'",
+        );
+    }
 }

tests/Doctrine/Tests/DBAL/Platforms/AbstractPlatformTestCase.php

@@ -5,6 +5,7 @@ namespace Doctrine\Tests\DBAL\Platforms;
 use Doctrine\Common\EventManager;
 use Doctrine\DBAL\Events;
 use Doctrine\DBAL\Platforms\AbstractPlatform;
+use Doctrine\DBAL\Schema\Column;
 use Doctrine\DBAL\Schema\Comparator;
 use Doctrine\DBAL\Schema\ForeignKeyConstraint;
 use Doctrine\DBAL\Schema\Index;
@@ -956,4 +957,32 @@ abstract class AbstractPlatformTestCase extends \Doctrine\Tests\DbalTestCase
     {
         $this->_platform->getGuidTypeDeclarationSQL(array());
     }
+
+    /**
+     * @group DBAL-1010
+     */
+    public function testGeneratesAlterTableRenameColumnSQL()
+    {
+        $table = new Table('foo');
+        $table->addColumn(
+            'bar',
+            'integer',
+            array('notnull' => true, 'default' => 666, 'comment' => 'rename test')
+        );
+
+        $tableDiff = new TableDiff('foo');
+        $tableDiff->fromTable = $table;
+        $tableDiff->renamedColumns['bar'] = new Column(
+            'baz',
+            Type::getType('integer'),
+            array('notnull' => true, 'default' => 666, 'comment' => 'rename test')
+        );
+
+        $this->assertSame($this->getAlterTableRenameColumnSQL(), $this->_platform->getAlterTableSQL($tableDiff));
+    }
+
+    /**
+     * @return array
+     */
+    abstract public function getAlterTableRenameColumnSQL();
 }

tests/Doctrine/Tests/DBAL/Platforms/AbstractPostgreSqlPlatformTestCase.php

@@ -672,4 +672,14 @@ abstract class AbstractPostgreSqlPlatformTestCase extends AbstractPlatformTestCa
     {
         $this->assertSame('UUID', $this->_platform->getGuidTypeDeclarationSQL(array()));
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlterTableRenameColumnSQL()
+    {
+        return array(
+            'ALTER TABLE foo RENAME COLUMN bar TO baz',
+        );
+    }
 }

tests/Doctrine/Tests/DBAL/Platforms/AbstractSQLServerPlatformTestCase.php

@@ -1109,4 +1109,16 @@ abstract class AbstractSQLServerPlatformTestCase extends AbstractPlatformTestCas
     {
         $this->assertSame('UNIQUEIDENTIFIER', $this->_platform->getGuidTypeDeclarationSQL(array()));
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlterTableRenameColumnSQL()
+    {
+        return array(
+            "sp_RENAME 'foo.bar', 'baz', 'COLUMN'",
+            'ALTER TABLE foo DROP CONSTRAINT DF_8C736521_76FF8CAA',
+            'ALTER TABLE foo ADD CONSTRAINT DF_8C736521_78240498 DEFAULT 666 FOR baz',
+        );
+    }
 }

tests/Doctrine/Tests/DBAL/Platforms/DB2PlatformTest.php

@@ -471,4 +471,14 @@ class DB2PlatformTest extends AbstractPlatformTestCase
     {
         $this->assertSame('CHAR(36)', $this->_platform->getGuidTypeDeclarationSQL(array()));
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlterTableRenameColumnSQL()
+    {
+        return array(
+            'ALTER TABLE foo RENAME COLUMN bar TO baz',
+        );
+    }
 }

tests/Doctrine/Tests/DBAL/Platforms/OraclePlatformTest.php

@@ -492,4 +492,14 @@ class OraclePlatformTest extends AbstractPlatformTestCase
     {
         $this->assertSame('CHAR(36)', $this->_platform->getGuidTypeDeclarationSQL(array()));
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlterTableRenameColumnSQL()
+    {
+        return array(
+            'ALTER TABLE foo RENAME COLUMN bar TO baz',
+        );
+    }
 }

tests/Doctrine/Tests/DBAL/Platforms/SQLAnywherePlatformTest.php

@@ -863,4 +863,14 @@ class SQLAnywherePlatformTest extends AbstractPlatformTestCase
     {
         $this->assertSame('UNIQUEIDENTIFIER', $this->_platform->getGuidTypeDeclarationSQL(array()));
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlterTableRenameColumnSQL()
+    {
+        return array(
+            'ALTER TABLE foo RENAME bar TO baz',
+        );
+    }
 }

tests/Doctrine/Tests/DBAL/Platforms/SqlitePlatformTest.php

@@ -560,4 +560,18 @@ class SqlitePlatformTest extends AbstractPlatformTestCase
     {
         $this->assertSame('CHAR(36)', $this->_platform->getGuidTypeDeclarationSQL(array()));
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getAlterTableRenameColumnSQL()
+    {
+        return array(
+            'CREATE TEMPORARY TABLE __temp__foo AS SELECT bar FROM foo',
+            'DROP TABLE foo',
+            'CREATE TABLE foo (baz INTEGER DEFAULT 666 NOT NULL)',
+            'INSERT INTO foo (baz) SELECT bar FROM __temp__foo',
+            'DROP TABLE __temp__foo',
+        );
+    }
 }