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Reorder structure fields to reduce code footprint. Ticket #1253. Need

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to do more of this. (CVS 2467)

FossilOrigin-Name: 27025613bc2970b0c23e08fbe5251103794ab6cb
This commit is contained in:
drh
2005-05-20 20:11:20 +00:00
parent 1c7880e501
commit 6d156e464d
3 changed files with 16 additions and 16 deletions
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18
src/pager.c
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@@ -18,7 +18,7 @@
** file simultaneously, or one process from reading the database while
** another is writing.
**
** @(#) $Id: pager.c,v 1.203 2005/05/20 20:01:56 drh Exp $
** @(#) $Id: pager.c,v 1.204 2005/05/20 20:11:21 drh Exp $
*/
#ifndef SQLITE_OMIT_DISKIO
#include "sqliteInt.h"
@@ -242,22 +242,15 @@ struct Pager {
int dbSize; /* Number of pages in the file */
int origDbSize; /* dbSize before the current change */
int stmtSize; /* Size of database (in pages) at stmt_begin() */
i64 stmtJSize; /* Size of journal at stmt_begin() */
int nRec; /* Number of pages written to the journal */
u32 cksumInit; /* Quasi-random value added to every checksum */
int stmtNRec; /* Number of records in stmt subjournal */
int nExtra; /* Add this many bytes to each in-memory page */
void (*xDestructor)(void*,int); /* Call this routine when freeing pages */
void (*xReiniter)(void*,int); /* Call this routine when reloading pages */
int pageSize; /* Number of bytes in a page */
int nPage; /* Total number of in-memory pages */
int nMaxPage; /* High water mark of nPage */
int nRef; /* Number of in-memory pages with PgHdr.nRef>0 */
int mxPage; /* Maximum number of pages to hold in cache */
int nHit, nMiss, nOvfl; /* Cache hits, missing, and LRU overflows */
int nRead,nWrite; /* Database pages read/written */
void (*xCodec)(void*,void*,Pgno,int); /* Routine for en/decoding data */
void *pCodecArg; /* First argument to xCodec() */
u8 journalOpen; /* True if journal file descriptors is valid */
u8 journalStarted; /* True if header of journal is synced */
u8 useJournal; /* Use a rollback journal on this file */
@@ -275,9 +268,9 @@ struct Pager {
u8 dirtyCache; /* True if cached pages have changed */
u8 alwaysRollback; /* Disable dont_rollback() for all pages */
u8 memDb; /* True to inhibit all file I/O */
u8 setMaster; /* True if a m-j name has been written to jrnl */
u8 *aInJournal; /* One bit for each page in the database file */
u8 *aInStmt; /* One bit for each page in the database */
u8 setMaster; /* True if a m-j name has been written to jrnl */
BusyHandler *pBusyHandler; /* Pointer to sqlite.busyHandler */
PgHdr *pFirst, *pLast; /* List of free pages */
PgHdr *pFirstSynced; /* First free page with PgHdr.needSync==0 */
@@ -287,7 +280,14 @@ struct Pager {
i64 journalHdr; /* Byte offset to previous journal header */
i64 stmtHdrOff; /* First journal header written this statement */
i64 stmtCksum; /* cksumInit when statement was started */
i64 stmtJSize; /* Size of journal at stmt_begin() */
int sectorSize; /* Assumed sector size during rollback */
int nHit, nMiss, nOvfl; /* Cache hits, missing, and LRU overflows */
int nRead,nWrite; /* Database pages read/written */
void (*xDestructor)(void*,int); /* Call this routine when freeing pages */
void (*xReiniter)(void*,int); /* Call this routine when reloading pages */
void (*xCodec)(void*,void*,Pgno,int); /* Routine for en/decoding data */
void *pCodecArg; /* First argument to xCodec() */
PgHdr *aHash[N_PG_HASH]; /* Hash table to map page number to PgHdr */
};