SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 5)
    Function tuple (children 1)
     ExpressionList (children 3)
      Function uniq (children 1)
       ExpressionList (children 1)
        Identifier a
      Function uniq (children 1)
       ExpressionList (children 1)
        Identifier b
      Function uniq (children 1)
       ExpressionList (children 1)
        Identifier c
    Function tuple (children 1)
     ExpressionList (children 3)
      Function uniqCombined (children 1)
       ExpressionList (children 1)
        Identifier a
      Function uniqCombined (children 1)
       ExpressionList (children 1)
        Identifier b
      Function uniqCombined (children 1)
       ExpressionList (children 1)
        Identifier c
    Function tuple (children 1)
     ExpressionList (children 3)
      Function uniqCombined (children 2)
       ExpressionList (children 1)
        Identifier a
       ExpressionList (children 1)
        Literal UInt64_17
      Function uniqCombined (children 2)
       ExpressionList (children 1)
        Identifier b
       ExpressionList (children 1)
        Literal UInt64_17
      Function uniqCombined (children 2)
       ExpressionList (children 1)
        Identifier c
       ExpressionList (children 1)
        Literal UInt64_17
    Function tuple (children 1)
     ExpressionList (children 3)
      Function uniqExact (children 1)
       ExpressionList (children 1)
        Identifier a
      Function uniqExact (children 1)
       ExpressionList (children 1)
        Identifier b
      Function uniqExact (children 1)
       ExpressionList (children 1)
        Identifier c
    Function tuple (children 1)
     ExpressionList (children 3)
      Function uniqHLL12 (children 1)
       ExpressionList (children 1)
        Identifier a
      Function uniqHLL12 (children 1)
       ExpressionList (children 1)
        Identifier b
      Function uniqHLL12 (children 1)
       ExpressionList (children 1)
        Identifier c
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 1)
           Asterisk
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier decimal
          ExpressionList (children 1)
           OrderByElement (children 1)
            Identifier a