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Add attribute optimization statistics.

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This commit is contained in:
Bruce Momjian
1997-02-07 16:24:12 +00:00
parent 4c0faba0fe
commit 2300ac0dc4
7 changed files with 580 additions and 224 deletions
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40
src/include/commands/vacuum.h
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@@ -6,13 +6,16 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: vacuum.h,v 1.5 1997/01/13 03:44:54 momjian Exp $
* $Id: vacuum.h,v 1.6 1997/02/07 16:23:57 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef VACUUM_H
#define VACUUM_H
#include <access/funcindex.h>
#include <catalog/pg_index.h>
typedef struct VAttListData {
int val_dummy;
struct VAttListData *val_next;
@@ -38,23 +41,46 @@ typedef struct VPageListData {
typedef VPageListData *VPageList;
typedef struct {
FuncIndexInfo finfo;
FuncIndexInfo *finfoP;
IndexTupleForm tform;
int natts;
} IndDesc;
typedef struct {
AttributeTupleForm attr;
Datum best, guess1, guess2, max, min;
int16 best_len, guess1_len, guess2_len, max_len, min_len;
int32 best_cnt, guess1_cnt, guess1_hits, guess2_hits, null_cnt,nonnull_cnt;
int32 max_cnt, min_cnt;
regproc cmpeq, cmplt, cmpgt, outfunc;
bool initialized;
} VacAttrStats;
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;
typedef struct VRelStats {
Oid relid;
int ntups;
int npages;
Size min_tlen;
Size max_tlen;
bool hasindex;
int natts;
VacAttrStats *vacattrstats;
} VRelStats;
extern bool VacuumRunning;
extern void vc_abort(void);
extern void vacuum(char *vacrel, bool verbose);
#define ATTNVALS_SCALE 1000000000 /* XXX so it can act as a float4 */
#endif /* VACUUM_H */

4
src/include/parser/catalog_utils.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: catalog_utils.h,v 1.7 1997/01/22 01:44:02 momjian Exp $
* $Id: catalog_utils.h,v 1.8 1997/02/07 16:24:12 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -31,7 +31,7 @@ extern bool tbyval(Type t);
extern char *tname(Type t);
extern int tbyvalue(Type t);
extern Oid oprid(Operator op);
extern Operator oper(char *op, Oid arg1, Oid arg2);
extern Operator oper(char *op, Oid arg1, Oid arg2, bool noWarnings);
extern Operator right_oper(char *op, Oid arg);
extern Operator left_oper(char *op, Oid arg);
extern int varattno(Relation rd, char *a);