fix NULL / NOT NULL clause for column alterations in Oracle

lib/Doctrine/DBAL/Platforms/OraclePlatform.php

@@ -685,7 +685,7 @@ LEFT JOIN user_cons_columns r_cols
                 $columnInfo = $column->toArray();
 
                 if ( ! $columnDiff->hasChanged('notnull')) {
-                    $columnInfo['notnull'] = false;
+                    unset($columnInfo['notnull']);
                 }
 
                 $fields[] = $column->getQuotedName($this) . $this->getColumnDeclarationSQL('', $columnInfo);
@@ -751,7 +751,11 @@ LEFT JOIN user_cons_columns r_cols
         } else {
             $default = $this->getDefaultValueDeclarationSQL($field);
 
-            $notnull = empty($field['notnull']) ? ' NULL' : ' NOT NULL';
+            $notnull = '';
+
+            if (isset($field['notnull'])) {
+                $notnull = $field['notnull'] ? ' NOT NULL' : ' NULL';
+            }
 
             $unique = (isset($field['unique']) && $field['unique']) ?
                 ' ' . $this->getUniqueFieldDeclarationSQL() : '';

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

@@ -61,6 +61,7 @@ class OracleSchemaManagerTest extends SchemaManagerFunctionalTestCase
 
     /**
      * @group DBAL-472
+     * @group DBAL-1001
      */
     public function testAlterTableColumnNotNull()
     {
@@ -70,6 +71,7 @@ class OracleSchemaManagerTest extends SchemaManagerFunctionalTestCase
 
         $table->addColumn('id', 'integer');
         $table->addColumn('foo', 'integer');
+        $table->addColumn('bar', 'string');
         $table->setPrimaryKey(array('id'));
 
         $this->_sm->dropAndCreateTable($table);
@@ -78,9 +80,11 @@ class OracleSchemaManagerTest extends SchemaManagerFunctionalTestCase
 
         $this->assertTrue($columns['id']->getNotnull());
         $this->assertTrue($columns['foo']->getNotnull());
+        $this->assertTrue($columns['bar']->getNotnull());
 
         $diffTable = clone $table;
         $diffTable->changeColumn('foo', array('notnull' => false));
+        $diffTable->changeColumn('bar', array('length' => 1024));
 
         $this->_sm->alterTable($comparator->diffTable($table, $diffTable));
 
@@ -88,6 +92,7 @@ class OracleSchemaManagerTest extends SchemaManagerFunctionalTestCase
 
         $this->assertTrue($columns['id']->getNotnull());
         $this->assertFalse($columns['foo']->getNotnull());
+        $this->assertTrue($columns['bar']->getNotnull());
     }
 
     public function testListDatabases()

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

@@ -310,6 +310,10 @@ class OraclePlatformTest extends AbstractPlatformTestCase
         );
     }
 
+    /**
+     * @group DBAL-472
+     * @group DBAL-1001
+     */
     public function testAlterTableNotNULL()
     {
         $tableDiff = new \Doctrine\DBAL\Schema\TableDiff('mytable');
@@ -333,7 +337,7 @@ class OraclePlatformTest extends AbstractPlatformTestCase
         );
 
         $expectedSql = array(
-            "ALTER TABLE mytable MODIFY (foo VARCHAR2(255) DEFAULT 'bla' NULL, baz VARCHAR2(255) DEFAULT 'bla' NOT NULL, metar VARCHAR2(2000) DEFAULT NULL NULL)",
+            "ALTER TABLE mytable MODIFY (foo VARCHAR2(255) DEFAULT 'bla', baz VARCHAR2(255) DEFAULT 'bla' NOT NULL, metar VARCHAR2(2000) DEFAULT NULL NULL)",
 	);
         $this->assertEquals($expectedSql, $this->_platform->getAlterTableSQL($tableDiff));
     }