SORT HEADER FILE
----------------

#ifndef __SORT__
#define __SORT__

#include "pq_defs.h"
#include "pnode.defs.h"
#include "pnode.SplayNode.h"
#include "pnode.SplayPQ.h"

#include "iterator.h"
#include "io_bufs.h"
#include "fileIspoof.h"

#define FLOAT_MIN       1.0e-25
#define FLOAT_MAX       1.0e+25

class Sort : public Iterator
{
 private:

 public:
   Sort(AttrType in[],              // Array containing field types of R.
        int      len_in,            // # of columns in R.
        short    str_sizes[],

        Iterator *am,               // access method for left input to join.

        int       fld_no,           // the field number of the field to sort on.
        TupleOrder sort_order,      // ASCENDING, DESCENDING
        int       sort_field_len,   // length of the sort field.
        int       amt_of_mem,       // IN PAGES
        Status  & s
       );

  ~Sort();

   Status get_next(Tuple * &tuple);        // The tuple is returned.
};



#endif