SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Function arrayWithConstant (children 1)
     ExpressionList (children 2)
      Literal UInt64_2
      Literal \'qwerty\'
    Function arrayWithConstant (children 1)
     ExpressionList (children 2)
      Literal UInt64_0
      Literal Int64_-1
    Function arrayWithConstant (children 1)
     ExpressionList (children 2)
      Literal UInt64_1
      Literal UInt64_1