SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 2)
    Function shardNum (children 1)
     ExpressionList
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier dt
   Function and (children 1)
    ExpressionList (children 2)
     Function in (children 1)
      ExpressionList (children 2)
       Identifier tag_id
       Literal Tuple_(UInt64_1, UInt64_1)
     Function in (children 1)
      ExpressionList (children 2)
       Identifier tag_name
       Literal Tuple_(\'foo1\', \'foo2\')
   ExpressionList (children 1)
    Literal UInt64_1
   ExpressionList (children 1)
    OrderByElement (children 1)
     Literal UInt64_1
