SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function merge (children 1)
       ExpressionList (children 1)
        Literal \'t_02156_ololo_dist\'
   Function and (children 1)
    ExpressionList (children 2)
     Function notEquals (children 1)
      ExpressionList (children 2)
       Identifier k
       Literal UInt64_0
     Function notEmpty (children 1)
      ExpressionList (children 1)
       Identifier v
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier k
   Set
