fix BigInt type declaration; add custom BigInt type for ClickHouse

Author: mochalygin

src/ClickHousePlatform.php

@@ -56,7 +56,7 @@ public function getIntegerTypeDeclarationSQL(array $columnDef)
      */
     public function getBigIntTypeDeclarationSQL(array $columnDef)
     {
-        return $this->_getCommonIntegerTypeDeclarationSQL($columnDef) . 'Int64';
+        return 'String';
     }
 
     /**

src/Types/BigIntType.php

@@ -0,0 +1,46 @@
+<?php
+/*
+ * This file is part of the FODDBALClickHouse package -- Doctrine DBAL library
+ * for ClickHouse (a column-oriented DBMS for OLAP <https://clickhouse.yandex/>)
+ *
+ * (c) FriendsOfDoctrine <https://github.com/FriendsOfDoctrine/>.
+ *
+ * For the full copyright and license inflormation, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace FOD\DBALClickHouse\Types;
+
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+
+/**
+ * BigInt Type
+ *
+ * @author Mochalygin <[email protected]>
+ */
+class BigIntType extends \Doctrine\DBAL\Types\BigIntType
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getBindingType()
+    {
+        return \PDO::PARAM_INT;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function convertToDatabaseValue($value, AbstractPlatform $platform)
+    {
+        return (int)$value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSQLDeclaration(array $fieldDeclaration, AbstractPlatform $platform)
+    {
+        return (empty($fieldDeclaration['unsigned']) ? '' : 'U') . 'Int64';
+    }
+}