SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function match (children 1)
     ExpressionList (children 2)
      Function arrayStringConcat (children 1)
       ExpressionList (children 2)
        Function groupArray (children 1)
         ExpressionList (children 1)
          Identifier explain
        Literal \'\'
      Literal \'.*Resize 1 → 2 *URL 0 → 1 *$\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Asterisk
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function viewExplain (children 1)
              ExpressionList (children 3)
               Literal \'EXPLAIN PIPELINE\'
               Literal \'\'
               Subquery (children 1)
                SelectWithUnionQuery (children 1)
                 ExpressionList (children 1)
                  SelectQuery (children 5)
                   ExpressionList (children 2)
                    Identifier x
                    Function count (children 1)
                     ExpressionList
                   TablesInSelectQuery (children 1)
                    TablesInSelectQueryElement (children 1)
                     TableExpression (children 1)
                      Function url (children 1)
                       ExpressionList (children 3)
                        Literal \'https://example.com\'
                        Identifier Parquet
                        Literal \'x Int64\'
                   ExpressionList (children 1)
                    Identifier x
                   ExpressionList (children 1)
                    OrderByElement (children 1)
                     Function count (children 1)
                      ExpressionList
                   Literal UInt64_10
