Integer fields default to nullable

Author: muglug

src/Processor/CreateProcessor.php

@@ -147,6 +147,10 @@ private static function getDefinitionColumn(Query\MysqlColumnType $stmt) : Colum
             case DataType::BIT:
             case DataType::MEDIUMINT:
             case DataType::BIGINT:
+                if ($stmt->null === null) {
+                    $stmt->null = true;
+                }
+
                 return self::getIntegerDefinitionColumn($stmt);
 
             case DataType::FLOAT:

tests/EndToEndTest.php

@@ -983,6 +983,30 @@ public function testDropTable(string $table): void
         );
     }
 
+    public function testSelectNullableFields()
+    {
+        $pdo = self::getConnectionToFullDB(false);
+
+        $query = $pdo->prepare("SELECT nullable_field, nullable_field_default_0 FROM `video_game_characters` WHERE `id` = 1");
+        $query->execute();
+
+        $this->assertSame(
+            ['nullable_field' => null, 'nullable_field_default_0' => 0],
+            $query->fetch(\PDO::FETCH_ASSOC)
+        );
+
+        $query = $pdo->prepare("UPDATE `video_game_characters` SET `nullable_field_default_0` = NULL, `nullable_field` = NULL WHERE `id` = 1");
+        $query->execute();
+
+        $query = $pdo->prepare("SELECT nullable_field, nullable_field_default_0 FROM `video_game_characters` WHERE `id` = 1");
+        $query->execute();
+
+        $this->assertSame(
+            ['nullable_field' => null, 'nullable_field_default_0' => null],
+            $query->fetch(\PDO::FETCH_ASSOC)
+        );
+    }
+
     private static function getPdo(string $connection_string, bool $strict_mode = false) : \PDO
     {
         $options = $strict_mode ? [\PDO::MYSQL_ATTR_INIT_COMMAND => 'SET sql_mode="STRICT_ALL_TABLES"'] : [];

tests/fixtures/create_table.sql

@@ -10,6 +10,7 @@ CREATE TABLE `video_game_characters` (
 	`powerups` tinyint(3) UNSIGNED NOT NULL DEFAULT '0',
 	`skills` varchar(1000) NOT NULL DEFAULT '',
 	`nullable_field` tinyint(3) DEFAULT NULL,
+	`nullable_field_default_0` tinyint(3) DEFAULT '0',
 	`some_float` float DEFAULT '0.00',
 	`total_games` int(11) UNSIGNED NOT NULL DEFAULT '0',
 	`lives` int(11) UNSIGNED NOT NULL DEFAULT '0',