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/*-------------------------------------------------------------------------
*
* vacuum.h--
* header file for postgres vacuum cleaner
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: vacuum.h,v 1.4 1996/11/29 10:29:45 vadim Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef VACUUM_H
#define VACUUM_H
typedef struct VAttListData {
int val_dummy;
struct VAttListData *val_next;
} VAttListData;
typedef VAttListData *VAttList;
typedef struct VPageDescrData {
BlockNumber vpd_blkno; /* BlockNumber of this Page */
Size vpd_free; /* FreeSpace on this Page */
uint16 vpd_nusd; /* Number of OffNums used by vacuum */
uint16 vpd_noff; /* Number of OffNums free or to be free */
OffsetNumber vpd_voff[1]; /* Array of its OffNums */
} VPageDescrData;
typedef VPageDescrData *VPageDescr;
typedef struct VPageListData {
int vpl_nemend; /* Number of "empty" end-pages */
int vpl_npages; /* Number of pages in vpl_pgdesc */
VPageDescr *vpl_pgdesc; /* Descriptions of pages */
} VPageListData;
typedef VPageListData *VPageList;
typedef struct VRelListData {
Oid vrl_relid;
VAttList vrl_attlist;
int vrl_ntups;
int vrl_npages;
Size vrl_min_tlen;
Size vrl_max_tlen;
bool vrl_hasindex;
struct VRelListData *vrl_next;
} VRelListData;
typedef VRelListData *VRelList;
extern bool VacuumRunning;
extern void vc_abort(void);
extern void vacuum(char *vacrel);
#endif /* VACUUM_H */
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