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/*-------------------------------------------------------------------------
*
* vacuum.h
* header file for postgres vacuum cleaner and statistics analyzer
*
*
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/commands/vacuum.h,v 1.47 2003/11/29 22:40:59 pgsql Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef VACUUM_H
#define VACUUM_H
#include <time.h>
#include <sys/time.h>
#ifdef HAVE_GETRUSAGE
#include <sys/resource.h>
#else
#include "rusagestub.h"
#endif
#include "nodes/parsenodes.h"
#include "utils/rel.h"
/* State structure for vac_init_rusage/vac_show_rusage */
typedef struct VacRUsage
{
struct timeval tv;
struct rusage ru;
} VacRUsage;
/* Default statistics target (GUC parameter) */
extern int default_statistics_target;
/* in commands/vacuum.c */
extern void vacuum(VacuumStmt *vacstmt);
extern void vac_open_indexes(Relation relation, int *nindexes,
Relation **Irel);
extern void vac_close_indexes(int nindexes, Relation *Irel);
extern void vac_update_relstats(Oid relid,
BlockNumber num_pages,
double num_tuples,
bool hasindex);
extern void vacuum_set_xid_limits(VacuumStmt *vacstmt, bool sharedRel,
TransactionId *oldestXmin,
TransactionId *freezeLimit);
extern bool vac_is_partial_index(Relation indrel);
extern void vac_init_rusage(VacRUsage *ru0);
extern const char *vac_show_rusage(VacRUsage *ru0);
/* in commands/vacuumlazy.c */
extern void lazy_vacuum_rel(Relation onerel, VacuumStmt *vacstmt);
/* in commands/analyze.c */
extern void analyze_rel(Oid relid, VacuumStmt *vacstmt);
#endif /* VACUUM_H */
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