CreateQuery test_flatten_nested_crash (children 3)
 Identifier test_flatten_nested_crash
 Columns definition (children 1)
  ExpressionList (children 5)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration tenant (children 1)
    DataType String
   ColumnDeclaration arr.id (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Nullable (children 1)
       ExpressionList (children 1)
        DataType UInt64
   ColumnDeclaration arr.name (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Nullable (children 1)
       ExpressionList (children 1)
        DataType String
   ColumnDeclaration arr.nested (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Tuple (children 1)
       ExpressionList (children 2)
        NameTypePair a (children 1)
         DataType String
        NameTypePair b (children 1)
         DataType Float64
 Storage definition (children 3)
  Function MergeTree
  Identifier id
  Set
