SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 1)
    Identifier i
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier a
   Function or (children 1)
    ExpressionList (children 2)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier i
       Literal Int64_-3
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier _part_offset
       Literal UInt64_4
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier i
   Set
