SelectWithUnionQuery (children 3)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 4)
    Function tuple (alias a) (children 1)
     ExpressionList (children 2)
      Literal UInt64_1 (alias b)
      Literal UInt64_2 (alias c)
    Function map (alias d) (children 1)
     ExpressionList (children 4)
      Literal \'e\'
      Literal UInt64_3
      Literal \'f\'
      Literal UInt64_4
    Literal Array_[UInt64_5, UInt64_6] (alias g)
    Function tuple (alias h) (children 1)
     ExpressionList (children 2)
      Function map (alias l) (children 1)
       ExpressionList (children 2)
        Literal \'i\'
        Function array (children 1)
         ExpressionList (children 1)
          Function tuple (children 1)
           ExpressionList (children 2)
            Literal UInt64_7 (alias j)
            Literal UInt64_8 (alias k)
      Literal UInt64_42 (alias m)
 Identifier JSON
 Set
