[DDC-2843] Fix default value of PostgreSQL boolean columns.

lib/Doctrine/DBAL/Schema/PostgreSqlSchemaManager.php

@@ -343,6 +343,14 @@ class PostgreSqlSchemaManager extends AbstractSchemaManager
                 break;
             case 'bool':
             case 'boolean':
+                if ($tableColumn['default'] === 'true') {
+                    $tableColumn['default'] = true;
+                }
+
+                if ($tableColumn['default'] === 'false') {
+                    $tableColumn['default'] = false;
+                }
+
                 $length = null;
                 break;
             case 'text':

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

@@ -261,6 +261,25 @@ class PostgreSqlSchemaManagerTest extends SchemaManagerFunctionalTestCase
 
         $this->assertEquals('foo', $databaseTable->getColumn('def')->getDefault());
     }
+
+    /**
+     * @group DDC-2843
+     */
+    public function testBooleanDefault()
+    {
+        $table = new \Doctrine\DBAL\Schema\Table('ddc2843_bools');
+        $table->addColumn('id', 'integer');
+        $table->addColumn('checked', 'boolean', array('default' => false));
+
+        $this->_sm->createTable($table);
+
+        $databaseTable = $this->_sm->listTableDetails($table->getName());
+
+        $c = new \Doctrine\DBAL\Schema\Comparator();
+        $diff = $c->diffTable($table, $databaseTable);
+
+        $this->assertFalse($diff);
+    }
 }
 
 class MoneyType extends Type