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Overview
| Comment: | Do not journal the file locking page when doing a database copy as part of a VACUUM. Ticket #1432. (CVS 2703) |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
248f77972bb1be3325708ea143fd87bb |
| User & Date: | drh 2005-09-16 11:32:18 |
Context
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2005-09-16
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| 17:16 | Do not journal the locking page which doing an autovacuum. Similar to the problem of #1432 except that this one occurs on autovacuum instead of vacuum. An assert() has been added to catch any future incidents of this type. (CVS 2704) check-in: 5b6dc12b user: drh tags: trunk | |
| 11:32 | Do not journal the file locking page when doing a database copy as part of a VACUUM. Ticket #1432. (CVS 2703) check-in: 248f7797 user: drh tags: trunk | |
| 10:18 | Prevent the sqlite3_pagecount() function from ever returning the pending-byte page. (CVS 2702) check-in: 35a88935 user: danielk1977 tags: trunk | |
Changes
Changes to src/btree.c.
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** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** $Id: btree.c,v 1.267 2005/09/16 09:52:29 danielk1977 Exp $ ** ** This file implements a external (disk-based) database using BTrees. ** For a detailed discussion of BTrees, refer to ** ** Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3: ** "Sorting And Searching", pages 473-480. Addison-Wesley ** Publishing Company, Reading, Massachusetts. ................................................................................ ** must be active for both files. ** ** The size of file pBtFrom may be reduced by this operation. ** If anything goes wrong, the transaction on pBtFrom is rolled back. */ int sqlite3BtreeCopyFile(Btree *pBtTo, Btree *pBtFrom){ int rc = SQLITE_OK; Pgno i, nPage, nToPage; if( pBtTo->inTrans!=TRANS_WRITE || pBtFrom->inTrans!=TRANS_WRITE ){ return SQLITE_ERROR; } if( pBtTo->pCursor ) return SQLITE_BUSY; nToPage = sqlite3pager_pagecount(pBtTo->pPager); nPage = sqlite3pager_pagecount(pBtFrom->pPager); for(i=1; rc==SQLITE_OK && i<=nPage; i++){ void *pPage; rc = sqlite3pager_get(pBtFrom->pPager, i, &pPage); if( rc ) break; rc = sqlite3pager_overwrite(pBtTo->pPager, i, pPage); if( rc ) break; sqlite3pager_unref(pPage); } for(i=nPage+1; rc==SQLITE_OK && i<=nToPage; i++){ |
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** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** $Id: btree.c,v 1.268 2005/09/16 11:32:18 drh Exp $ ** ** This file implements a external (disk-based) database using BTrees. ** For a detailed discussion of BTrees, refer to ** ** Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3: ** "Sorting And Searching", pages 473-480. Addison-Wesley ** Publishing Company, Reading, Massachusetts. ................................................................................ ** must be active for both files. ** ** The size of file pBtFrom may be reduced by this operation. ** If anything goes wrong, the transaction on pBtFrom is rolled back. */ int sqlite3BtreeCopyFile(Btree *pBtTo, Btree *pBtFrom){ int rc = SQLITE_OK; Pgno i, nPage, nToPage, iSkip; if( pBtTo->inTrans!=TRANS_WRITE || pBtFrom->inTrans!=TRANS_WRITE ){ return SQLITE_ERROR; } if( pBtTo->pCursor ) return SQLITE_BUSY; nToPage = sqlite3pager_pagecount(pBtTo->pPager); nPage = sqlite3pager_pagecount(pBtFrom->pPager); iSkip = PENDING_BYTE_PAGE(pBtTo); for(i=1; rc==SQLITE_OK && i<=nPage; i++){ void *pPage; if( i==iSkip ) continue; rc = sqlite3pager_get(pBtFrom->pPager, i, &pPage); if( rc ) break; rc = sqlite3pager_overwrite(pBtTo->pPager, i, pPage); if( rc ) break; sqlite3pager_unref(pPage); } for(i=nPage+1; rc==SQLITE_OK && i<=nToPage; i++){ |