SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function mapApply (children 1)
     ExpressionList (children 2)
      Function lambda (children 1)
       ExpressionList (children 2)
        Function tuple (children 1)
         ExpressionList (children 2)
          Identifier k
          Identifier v
        Function tuple (children 1)
         ExpressionList (children 2)
          Identifier k
          Function arrayMap (children 1)
           ExpressionList (children 2)
            Function lambda (children 1)
             ExpressionList (children 2)
              Function tuple (children 1)
               ExpressionList (children 1)
                Identifier x
              Function mapApply (children 1)
               ExpressionList (children 2)
                Function lambda (children 1)
                 ExpressionList (children 2)
                  Function tuple (children 1)
                   ExpressionList (children 2)
                    Identifier k
                    Identifier v
                  Function tuple (children 1)
                   ExpressionList (children 2)
                    Identifier k
                    Function arrayMap (children 1)
                     ExpressionList (children 2)
                      Function lambda (children 1)
                       ExpressionList (children 2)
                        Function tuple (children 1)
                         ExpressionList (children 1)
                          Identifier x
                        Function finalizeAggregation (children 1)
                         ExpressionList (children 1)
                          Identifier x
                      Identifier v
                Identifier x
            Identifier v
      Identifier x
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test