[DBAL-407] Implemented not null exception detection for sqlite

lib/Doctrine/DBAL/DBALException.php

@@ -25,6 +25,7 @@ class DBALException extends \Exception
     const ERROR_UNKNOWN_TABLE = 2;
     const ERROR_TABLE_ALREADY_EXISTS = 3;
     const ERROR_FOREIGN_KEY_CONSTRAINT = 4;
+    const ERROR_NOT_NULL = 5;
 
     /**
      * @param string $method

lib/Doctrine/DBAL/Driver/PDOSqlite/Driver.php

@@ -124,6 +124,9 @@ class Driver implements \Doctrine\DBAL\Driver
                 if (strpos($exception->getMessage(), 'must be unique') !== false) {
                     return DBALException::ERROR_DUPLICATE_KEY;
                 }
+                if (strpos($exception->getMessage(), 'may not be NULL') !== false) {
+                    return DBALException::ERROR_NOT_NULL;
+                }
             case 'HY000':
                 if (strpos($exception->getMessage(), 'no such table:') !== false) {
                     return DBALException::ERROR_UNKNOWN_TABLE;

tests/Doctrine/Tests/DBAL/Functional/ExceptionTest.php

@@ -9,7 +9,6 @@ class ExceptionTest extends \Doctrine\Tests\DbalFunctionalTestCase
 {
     public function testDuplicateKeyException()
     {
-        /* @var $sm \Doctrine\DBAL\Schema\AbstractSchemaManager */
         $table = new \Doctrine\DBAL\Schema\Table("duplicatekey_table");
         $table->addColumn('id', 'integer', array());
         $table->setPrimaryKey(array('id'));
@@ -54,6 +53,7 @@ class ExceptionTest extends \Doctrine\Tests\DbalFunctionalTestCase
         }
 
         $schema = new \Doctrine\DBAL\Schema\Schema();
+        
         $table = $schema->createTable("constraint_error_table");
         $table->addColumn('id', 'integer', array());
         $table->setPrimaryKey(array('id'));
@@ -74,6 +74,23 @@ class ExceptionTest extends \Doctrine\Tests\DbalFunctionalTestCase
         $this->setExpectedException('\Doctrine\DBAL\DBALException', null, DBALException::ERROR_FOREIGN_KEY_CONSTRAINT);
         $this->_conn->delete('constraint_error_table', array('id' => 1));
     }
+    
+    public function testNotNullException()
+    {
+        $schema = new \Doctrine\DBAL\Schema\Schema();
+
+        $table = $schema->createTable("notnull_table");
+        $table->addColumn('id', 'integer', array());
+        $table->addColumn('value', 'integer', array('notnull' => true));
+        $table->setPrimaryKey(array('id'));
+
+        foreach ($schema->toSql($this->_conn->getDatabasePlatform()) AS $sql) {
+            $this->_conn->executeQuery($sql);
+        }
+
+        $this->setExpectedException('\Doctrine\DBAL\DBALException', null, DBALException::ERROR_NOT_NULL);
+        $this->_conn->insert("notnull_table", array('id' => 1));
+    }
 
     protected function onNotSuccessfulTest(\Exception $e)
     {