relsize.h

Go to the documentation of this file.

// ============================================================================
// Project:     Deductive Database
// Filename:    relsize.h
// Purpose:     Size measures for relation data structures.
// Last Change: 04.08.2017
// Language:    C++
// EMail:       brass@informatik.uni-halle.de
// WWW:         http://www.informatik.uni-halle.de/~brass/
// Address:     Feldschloesschen 15, D-06120 Halle (Saale), GERMANY
// Copyright:   (c) 2016-2017 by Stefan Brass
// License:     See file "LICENSE" for copying conditions.
// Note:        There is no warranty at all - this code may contain bugs.
// ============================================================================


//=============================================================================
// Include File Frame:
//=============================================================================

#ifndef RELSIZE_INCLUDED
#define RELSIZE_INCLUDED

//=============================================================================
// Used Types and Macros:
//=============================================================================

#ifndef VER_INCLUDED
#include "../base/ver.h"
#endif

#ifndef STR_INCLUDED
#include "../base/str.h"
#endif

#ifndef CHECK_INCLUDED
#include "../base/check.h"
#endif

//=============================================================================
// Exported Types:
//=============================================================================

//-----------------------------------------------------------------------------
// relsize_t: Size measures for relation data structures.
//-----------------------------------------------------------------------------

typedef enum relsize_enum {
        RELSIZE_OBJ_SIZE,
        RELSIZE_HASHTAB_SIZE,
        RELSIZE_ENTRIES_USED,
        RELSIZE_BUCKET_SIZE,
        RELSIZE_BUCKET_BYTES,
        RELSIZE_TOTAL_BUCKETS,
        RELSIZE_OVERFLOW_BUCKETS
} relsize_t;

//=============================================================================
// Exported Functions:
//=============================================================================

//-----------------------------------------------------------------------------
// relsize_valid: Is the parameter a valid element of the enumeration type?
//-----------------------------------------------------------------------------

#if     VER_DEBUG
bool    relsize_valid(relsize_t relsize);
#endif

//-----------------------------------------------------------------------------
// relsize_name: Name of size measure.
//-----------------------------------------------------------------------------

str_t   relsize_name(relsize_t relsize);


//=============================================================================
// End of File:
//=============================================================================

#endif