diff options
Diffstat (limited to 'db2/include/db_page.h')
| -rw-r--r-- | db2/include/db_page.h | 56 |
1 files changed, 3 insertions, 53 deletions
diff --git a/db2/include/db_page.h b/db2/include/db_page.h index e1846cbbbd..5c9ca674f1 100644 --- a/db2/include/db_page.h +++ b/db2/include/db_page.h @@ -4,7 +4,7 @@ * Copyright (c) 1996, 1997, 1998 * Sleepycat Software. All rights reserved. * - * @(#)db_page.h 10.15 (Sleepycat) 5/1/98 + * @(#)db_page.h 10.18 (Sleepycat) 12/2/98 */ #ifndef _DB_PAGE_H_ @@ -43,14 +43,6 @@ /* * Btree metadata page layout: - * - * +-----------------------------------+ - * | lsn | pgno | magic | - * +-----------------------------------+ - * | version | pagesize | free | - * +-----------------------------------+ - * | flags | unused ... | - * +-----------------------------------+ */ typedef struct _btmeta { DB_LSN lsn; /* 00-07: LSN. */ @@ -72,10 +64,6 @@ typedef struct _btmeta { u_int32_t re_pad; /* 44-47: Recno: fixed-length record pad. */ /* 48-67: Unique file ID. */ u_int8_t uid[DB_FILE_ID_LEN]; - - u_int32_t spare[13]; /* 68-123: Save some room for growth. */ - - DB_BTREE_LSTAT stat; /* 124-163: Statistics. */ } BTMETA; /************************************************************************ @@ -84,18 +72,6 @@ typedef struct _btmeta { /* * Hash metadata page layout: - * - * +-----------------------------------+ - * | lsn | magic | version | - * +-----------------------------------+ - * | pagesize | ovfl_point| last_freed| - * +-----------------------------------+ - * | max_bucket| high_mask | low_mask | - * +-----------------------------------+ - * | ffactor | nelem | charkey | - * +-----------------------------------+ - * | spares[32]| flags | unused | - * +-----------------------------------+ */ /* Hash Table Information */ typedef struct hashhdr { /* Disk resident portion */ @@ -359,10 +335,6 @@ typedef struct _hkeydata { /* * The third type is the H_OFFPAGE, represented by the HOFFPAGE structure: - * - * +-----------------------------------+ - * | type | pgno_t | total len | - * +-----------------------------------+ */ typedef struct _hoffpage { u_int8_t type; /* 00: Page type and delete flag. */ @@ -383,10 +355,6 @@ typedef struct _hoffpage { /* * The fourth type is H_OFFDUP represented by the HOFFDUP structure: - * - * +-----------------------+ - * | type | pgno_t | - * +-----------------------+ */ typedef struct _hoffdup { u_int8_t type; /* 00: Page type and delete flag. */ @@ -431,10 +399,6 @@ typedef struct _hoffdup { /* * The first type is B_KEYDATA, represented by the BKEYDATA structure: - * - * +-----------------------------------+ - * | length | type | key/data | - * +-----------------------------------+ */ typedef struct _bkeydata { db_indx_t len; /* 00-01: Key/data item length. */ @@ -457,13 +421,7 @@ typedef struct _bkeydata { /* * The second and third types are B_DUPLICATE and B_OVERFLOW, represented - * by the BOVERFLOW structure: - * - * +-----------------------------------+ - * | total len | type | unused | - * +-----------------------------------+ - * | nxt: page | nxt: off | nxt: len | - * +-----------------------------------+ + * by the BOVERFLOW structure. */ typedef struct _boverflow { db_indx_t unused1; /* 00-01: Padding, unused. */ @@ -501,10 +459,6 @@ typedef struct _boverflow { /* * Btree internal entry. - * - * +-----------------------------------+ - * | leaf pgno | type | data ... | - * +-----------------------------------+ */ typedef struct _binternal { db_indx_t len; /* 00-01: Key/data item length. */ @@ -535,12 +489,8 @@ typedef struct _binternal { /* * The recno internal entry. * - * +-----------------------+ - * | leaf pgno | # of recs | - * +-----------------------+ - * * XXX - * Why not fold this into the db_indx_t structure, it's fixed length. + * Why not fold this into the db_indx_t structure, it's fixed length? */ typedef struct _rinternal { db_pgno_t pgno; /* 00-03: Page number of referenced page. */ |