test empty and nullable items arrays

Author: tyron

tests/CommandTest.php

@@ -114,7 +114,9 @@ public function testArrays()
             'Array_UInt8' => [5],
             'Array_Float64' => [5.5],
             'Array_String' => ['asdasd'],
-            'Array_DateTime' => [date('Y-m-d H:i:s')]
+            'Array_DateTime' => [date('Y-m-d H:i:s')],
+            'Array_Nullable_Decimal' => [null, null],
+            'Array_FixedString_empty' => [],
         ];
 
         $this->assertEquals(1, $db->createCommand()->insert('{{arrays}}', $dataForInsert)->execute());

tests/data/clickhouse.sql

@@ -46,5 +46,7 @@ CREATE TABLE `types` (
   `Array_UInt8` Array(UInt8),
   `Array_Float64` Array(Float64),
   `Array_String` Array(String),
-  `Array_DateTime` Array(DateTime)
+  `Array_DateTime` Array(DateTime),
+  `Array_Nullable_Decimal` Array(Nullable(Decimal32(4))),
+  `Array_FixedString_empty` Array(FixedString(2))
  ) ENGINE=Memory;