db_page.h File Reference

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Classes

struct _binternal

struct _bkeydata

struct _boverflow

struct _btmeta31

struct _db_page

struct _dbmeta31

struct _hashmeta31

struct _hkeydata

struct _hoffdup

struct _hoffpage

struct _qmeta31

struct _qpage

struct _rinternal

Defines

#define __P_DUPLICATE 1

#define B_DCLR(t) (t) &= ~B_DELETE

#define B_DELETE (0x80)

#define B_DISSET(t) ((t) & B_DELETE)

#define B_DSET(t) (t) |= B_DELETE

#define B_DUPLICATE 2

#define B_KEYDATA 1

#define B_OVERFLOW 3

#define B_TSET(t, type, deleted)

#define B_TYPE(t) ((t) & ~B_DELETE)

#define BINTERNAL_PSIZE(len) (BINTERNAL_SIZE(len) + sizeof(db_indx_t))

#define BINTERNAL_SIZE(len) ALIGN((len) + SSZA(BINTERNAL, data), 4)

#define BKEYDATA_PSIZE(len) (BKEYDATA_SIZE(len) + sizeof(db_indx_t))

#define BKEYDATA_SIZE(len) ALIGN((len) + SSZA(BKEYDATA, data), 4)

#define BOVERFLOW_PSIZE (BOVERFLOW_SIZE + sizeof(db_indx_t))

#define BOVERFLOW_SIZE ALIGN(sizeof(BOVERFLOW), 4)

#define BTM_DUP 0x001

#define BTM_DUPSORT 0x040

#define BTM_FIXEDLEN 0x008

#define BTM_MASK 0x07f

#define BTM_RECNO 0x002

#define BTM_RECNUM 0x004

#define BTM_RENUMBER 0x010

#define BTM_SUBDB 0x020

#define DB_HASH_DUP 0x01

#define DB_HASH_DUPSORT 0x04

#define DB_HASH_SUBDB 0x02

#define DB_PAGE_DB_LEN 32

#define DB_PAGE_QUEUE_LEN 0

#define DBMETASIZE 256

#define GET_BINTERNAL(pg, indx) ((BINTERNAL *)P_ENTRY(pg, indx))

#define GET_BKEYDATA(pg, indx) ((BKEYDATA *)P_ENTRY(pg, indx))

#define GET_BOVERFLOW(pg, indx) ((BOVERFLOW *)P_ENTRY(pg, indx))

#define GET_RINTERNAL(pg, indx) ((RINTERNAL *)P_ENTRY(pg, indx))

#define H_DATAINDEX(indx) ((indx) + 1)

#define H_DUPLICATE 2

#define H_KEYDATA 1

#define H_KEYINDEX(indx) (indx)

#define H_NUMPAIRS(pg) (NUM_ENT(pg) / 2)

#define H_OFFDUP 4

#define H_OFFPAGE 3

#define H_PAIRDATA(pg, indx) P_ENTRY(pg, H_DATAINDEX(indx))

#define H_PAIRKEY(pg, indx) P_ENTRY(pg, H_KEYINDEX(indx))

#define H_PAIRSIZE(pg, psize, indx)

#define HKEYDATA_DATA(p) (((u_int8_t *)p) + SSZA(HKEYDATA, data))

#define HKEYDATA_PSIZE(len) (HKEYDATA_SIZE(len) + sizeof(db_indx_t))

#define HKEYDATA_SIZE(len) ((len) + SSZA(HKEYDATA, data))

#define HOFFDUP_PGNO(p) (((u_int8_t *)p) + SSZ(HOFFDUP, pgno))

#define HOFFDUP_PSIZE (HOFFDUP_SIZE + sizeof(db_indx_t))

#define HOFFDUP_SIZE (sizeof(HOFFDUP))

#define HOFFPAGE_PGNO(p) (((u_int8_t *)p) + SSZ(HOFFPAGE, pgno))

#define HOFFPAGE_PSIZE (HOFFPAGE_SIZE + sizeof(db_indx_t))

#define HOFFPAGE_SIZE (sizeof(HOFFPAGE))

#define HOFFPAGE_TLEN(p) (((u_int8_t *)p) + SSZ(HOFFPAGE, tlen))

#define HOFFSET(p) (((PAGE *)p)->hf_offset)

#define HPAGE_PTYPE(p) (*(u_int8_t *)p)

#define HPAGE_TYPE(pg, indx) (*P_ENTRY(pg, indx))

#define LEAFLEVEL 1

#define LEN_HDATA(p, psize, indx) LEN_HKEYDATA(p, psize, H_DATAINDEX(indx))

#define LEN_HITEM(pg, pgsize, indx)

#define LEN_HKEY(p, psize, indx) LEN_HKEYDATA(p, psize, H_KEYINDEX(indx))

#define LEN_HKEYDATA(pg, psize, indx)

#define LEVEL(p) (((PAGE *)p)->level)

#define LOFFSET(pg) (P_OVERHEAD + NUM_ENT(pg) * sizeof(db_indx_t))

#define LSN(p) (((PAGE *)p)->lsn)

#define MAXBTREELEVEL 255

#define NCACHED 32

#define NEXT_PGNO(p) (((PAGE *)p)->next_pgno)

#define NUM_ENT(p) (((PAGE *)p)->entries)

#define O_INDX 1

#define OV_LEN(p) (((PAGE *)p)->hf_offset)

#define OV_REF(p) (((PAGE *)p)->entries)

#define P_BTREEMETA 9

#define P_CMPR_FREE 14

#define P_CMPR_INTERNAL 13

#define P_ENTRY(pg, indx) ((u_int8_t *)pg + ((PAGE *)pg)->inp[indx])

#define P_FREESPACE(pg) (HOFFSET(pg) - LOFFSET(pg))

#define P_HASH 2

#define P_HASHMETA 8

#define P_IBTREE 3

#define P_INDX 2

#define P_INIT(pg, pg_size, n, pg_prev, pg_next, btl, pg_type, pg_tags)

#define P_INVALID 0

#define P_IRECNO 4

#define P_LBTREE 5

#define P_LDUP 12

#define P_LRECNO 6

#define P_MAXSPACE(psize) ((psize) - P_OVERHEAD)

#define P_OVERFLOW 7

#define P_OVERHEAD (SSZA(PAGE, inp))

#define P_OVFLSPACE(psize, pg) (P_MAXSPACE(psize) - HOFFSET(pg))

#define P_PAGETYPE_MAX 15

#define P_QAMDATA 11

#define P_QAMMETA 10

#define PGNO(p) (((PAGE *)p)->pgno)

#define PGNO_BASE_MD 1

#define PGNO_INVALID 0

#define PREV_PGNO(p) (((PAGE *)p)->prev_pgno)

#define PUT_HKEYDATA(pe, kd, len, type)

#define RE_NREC(p)

#define RE_NREC_ADJ(p, adj) PREV_PGNO(p) += adj;

#define RE_NREC_SET(p, num) PREV_PGNO(p) = num;

#define RINTERNAL_PSIZE (RINTERNAL_SIZE + sizeof(db_indx_t))

#define RINTERNAL_SIZE ALIGN(sizeof(RINTERNAL), 4)

#define TAGS(p) (((PAGE *)p)->type & TAGS_MASK)

#define TAGS_MASK 0xf0

#define TAGS_SET(p, v) (TYPE_TAGS(p) = TYPE(p) | ((v) & TAGS_MASK))

#define TYPE(p) ((((PAGE *)p)->type) & TYPE_MASK)

#define TYPE_MASK 0x0f

#define TYPE_SET(p, v) (TYPE_TAGS(p) = ((v) & TYPE_MASK) | TAGS(p))

#define TYPE_TAGS(p) (((PAGE *)p)->type)

Typedefs

typedef struct _binternal BINTERNAL

typedef struct _bkeydata BKEYDATA

typedef struct _boverflow BOVERFLOW

typedef struct _btmeta31 BTMETA

typedef struct _btmeta31 BTMETA31

typedef struct _dbmeta31 DBMETA

typedef struct _dbmeta31 DBMETA31

typedef struct _hkeydata HKEYDATA

typedef struct _hashmeta31 HMETA

typedef struct _hashmeta31 HMETA31

typedef struct _hoffdup HOFFDUP

typedef struct _hoffpage HOFFPAGE

typedef struct _db_page PAGE

typedef struct _qmeta31 QMETA

typedef struct _qmeta31 QMETA31

typedef struct _qpage QPAGE

typedef struct _rinternal RINTERNAL

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