diff options
Diffstat (limited to 'src/include/commands/vacuum.h')
| -rw-r--r-- | src/include/commands/vacuum.h | 169 |
1 files changed, 96 insertions, 73 deletions
diff --git a/src/include/commands/vacuum.h b/src/include/commands/vacuum.h index 6ed66f6bc81..59863f2d574 100644 --- a/src/include/commands/vacuum.h +++ b/src/include/commands/vacuum.h @@ -1,87 +1,110 @@ /*------------------------------------------------------------------------- * * vacuum.h-- - * header file for postgres vacuum cleaner + * header file for postgres vacuum cleaner * * * Copyright (c) 1994, Regents of the University of California * - * $Id: vacuum.h,v 1.7 1997/04/23 06:28:48 vadim Exp $ + * $Id: vacuum.h,v 1.8 1997/09/07 04:57:33 momjian Exp $ * *------------------------------------------------------------------------- */ -#ifndef VACUUM_H -#define VACUUM_H +#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; -} 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 { - 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; - func_ptr f_cmpeq, f_cmplt, f_cmpgt; - regproc outfunc; - bool initialized; -} VacAttrStats; - -typedef struct VRelListData { - Oid vrl_relid; - 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 va_natts; /* number of attrs being analyzed */ - VacAttrStats *vacattrstats; -} VRelStats; - -extern bool VacuumRunning; - -extern void vc_abort(void); -extern void vacuum(char *vacrel, bool verbose, bool analyze, List *va_spec); - -#define ATTNVALS_SCALE 1000000000 /* XXX so it can act as a float4 */ - -#endif /* 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 +{ + 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; + func_ptr f_cmpeq, + f_cmplt, + f_cmpgt; + regproc outfunc; + bool initialized; +} VacAttrStats; + +typedef struct VRelListData +{ + Oid vrl_relid; + 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 va_natts; /* number of attrs being analyzed */ + VacAttrStats *vacattrstats; +} VRelStats; + +extern bool VacuumRunning; + +extern void vc_abort(void); +extern void vacuum(char *vacrel, bool verbose, bool analyze, List * va_spec); + +#define ATTNVALS_SCALE 1000000000 /* XXX so it can act as a float4 */ + +#endif /* VACUUM_H */ |