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Overview
| Comment: | Remove a stray merge-sort related change from pager.c and pager.h. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
69823ed163049d6fa1e24a9810c3c99f |
| User & Date: | dan 2011-09-19 11:57:34 |
Context
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2011-09-19
| ||
| 13:01 | Increase the default lookaside cache line size from 100 to 128 bytes. (check-in: db019465 user: drh tags: trunk) | |
| 11:57 | Remove a stray merge-sort related change from pager.c and pager.h. (check-in: 69823ed1 user: dan tags: trunk) | |
|
2011-09-17
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| 17:29 | Add a new script to build an amalgamation that omits FTS3/4 and RTREE. (check-in: b31a7d7d user: drh tags: trunk) | |
Changes
Changes to src/pager.c.
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u8 noSync; /* Do not sync the journal if true */ u8 fullSync; /* Do extra syncs of the journal for robustness */ u8 ckptSyncFlags; /* SYNC_NORMAL or SYNC_FULL for checkpoint */ u8 syncFlags; /* SYNC_NORMAL or SYNC_FULL otherwise */ u8 tempFile; /* zFilename is a temporary file */ u8 readOnly; /* True for a read-only database */ u8 memDb; /* True to inhibit all file I/O */ u8 hasSeenStress; /* pagerStress() called one or more times */ /************************************************************************** ** The following block contains those class members that change during ** routine opertion. Class members not in this block are either fixed ** when the pager is first created or else only change when there is a ** significant mode change (such as changing the page_size, locking_mode, ** or the journal_mode). From another view, these class members describe ................................................................................ ** Spilling is also prohibited when in an error state since that could ** lead to database corruption. In the current implementaton it ** is impossible for sqlite3PCacheFetch() to be called with createFlag==1 ** while in the error state, hence it is impossible for this routine to ** be called in the error state. Nevertheless, we include a NEVER() ** test for the error state as a safeguard against future changes. */ pPager->hasSeenStress = 1; if( NEVER(pPager->errCode) ) return SQLITE_OK; if( pPager->doNotSpill ) return SQLITE_OK; if( pPager->doNotSyncSpill && (pPg->flags & PGHDR_NEED_SYNC)!=0 ){ return SQLITE_OK; } pPg->pDirty = 0; |
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u8 noSync; /* Do not sync the journal if true */
u8 fullSync; /* Do extra syncs of the journal for robustness */
u8 ckptSyncFlags; /* SYNC_NORMAL or SYNC_FULL for checkpoint */
u8 syncFlags; /* SYNC_NORMAL or SYNC_FULL otherwise */
u8 tempFile; /* zFilename is a temporary file */
u8 readOnly; /* True for a read-only database */
u8 memDb; /* True to inhibit all file I/O */
/**************************************************************************
** The following block contains those class members that change during
** routine opertion. Class members not in this block are either fixed
** when the pager is first created or else only change when there is a
** significant mode change (such as changing the page_size, locking_mode,
** or the journal_mode). From another view, these class members describe
................................................................................
** Spilling is also prohibited when in an error state since that could
** lead to database corruption. In the current implementaton it
** is impossible for sqlite3PCacheFetch() to be called with createFlag==1
** while in the error state, hence it is impossible for this routine to
** be called in the error state. Nevertheless, we include a NEVER()
** test for the error state as a safeguard against future changes.
*/
if( NEVER(pPager->errCode) ) return SQLITE_OK;
if( pPager->doNotSpill ) return SQLITE_OK;
if( pPager->doNotSyncSpill && (pPg->flags & PGHDR_NEED_SYNC)!=0 ){
return SQLITE_OK;
}
pPg->pDirty = 0;
|
Changes to src/pager.h.
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** Allowed values for the flags parameter to sqlite3PagerOpen().
**
** NOTE: These values must match the corresponding BTREE_ values in btree.h.
*/
#define PAGER_OMIT_JOURNAL 0x0001 /* Do not use a rollback journal */
#define PAGER_NO_READLOCK 0x0002 /* Omit readlocks on readonly files */
#define PAGER_MEMORY 0x0004 /* In-memory database */
#define PAGER_SORTER 0x0020 /* Accumulator in external merge sort */
/*
** Valid values for the second argument to sqlite3PagerLockingMode().
*/
#define PAGER_LOCKINGMODE_QUERY -1
#define PAGER_LOCKINGMODE_NORMAL 0
#define PAGER_LOCKINGMODE_EXCLUSIVE 1
|
< |
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** Allowed values for the flags parameter to sqlite3PagerOpen(). ** ** NOTE: These values must match the corresponding BTREE_ values in btree.h. */ #define PAGER_OMIT_JOURNAL 0x0001 /* Do not use a rollback journal */ #define PAGER_NO_READLOCK 0x0002 /* Omit readlocks on readonly files */ #define PAGER_MEMORY 0x0004 /* In-memory database */ /* ** Valid values for the second argument to sqlite3PagerLockingMode(). */ #define PAGER_LOCKINGMODE_QUERY -1 #define PAGER_LOCKINGMODE_NORMAL 0 #define PAGER_LOCKINGMODE_EXCLUSIVE 1 |