SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 5)
    Function less (children 1)
     ExpressionList (children 2)
      Function tuple (children 1)
       ExpressionList (children 1)
        Literal NULL
      Function tuple (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
    Function equals (children 1)
     ExpressionList (children 2)
      Function tuple (children 1)
       ExpressionList (children 1)
        Literal NULL
      Function tuple (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
    Function lessOrEquals (children 1)
     ExpressionList (children 2)
      Function tuple (children 1)
       ExpressionList (children 1)
        Literal NULL
      Function tuple (children 1)
       ExpressionList (children 1)
        Literal UInt64_1
    Function equals (children 1)
     ExpressionList (children 2)
      Function tuple (children 1)
       ExpressionList (children 2)
        Literal UInt64_1
        Literal NULL
      Function tuple (children 1)
       ExpressionList (children 2)
        Literal UInt64_2
        Literal UInt64_1
    Function less (children 1)
     ExpressionList (children 2)
      Function tuple (children 1)
       ExpressionList (children 2)
        Literal UInt64_1
        Literal NULL
      Function tuple (children 1)
       ExpressionList (children 2)
        Literal UInt64_2
        Literal UInt64_1