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| Comment: | If an error occurs in PagerBegin(), call pager_end_transaction() to reset the internal state of the pager object. (CVS 6855) |
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| Timelines: | family | ancestors | descendants | both | trunk |
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| SHA1: |
ea7ed16628da29cf4a127a25cbac8ae5 |
| User & Date: | danielk1977 2009-07-07 13:56:24 |
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2009-07-07
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| 15:47 | Do not load the root-page of a b-tree table/index when opening a cursor. Instead, allow it to be loaded when the cursor is first used (in function moveToRoot()). Also move the root-page flags sanity checks that were a part of the OP_OpenRead/OpenWrite opcodes into the moveToRoot() function. (CVS 6856) (check-in: 06dcfe72 user: danielk1977 tags: trunk) | |
| 13:56 | If an error occurs in PagerBegin(), call pager_end_transaction() to reset the internal state of the pager object. (CVS 6855) (check-in: ea7ed166 user: danielk1977 tags: trunk) | |
| 11:39 | Fix a reference count problem following database corruption detection in the ptrmapPut() routine of btree.c. (CVS 6854) (check-in: ec1e27e3 user: drh tags: trunk) | |
Changes to src/pager.c.
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** The pager is used to access a database disk file. It implements ** atomic commit and rollback through the use of a journal file that ** is separate from the database file. The pager also implements file ** locking to prevent two processes from writing the same database ** file simultaneously, or one process from reading the database while ** another is writing. ** ** @(#) $Id: pager.c,v 1.604 2009/07/06 21:54:41 drh Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" /* ** Macros for troubleshooting. Normally turned off */ ................................................................................ assert( pPager->dbOrigSize==0 ); assert( pPager->pInJournal==0 ); rc = pager_open_journal(pPager); } PAGERTRACE(("TRANSACTION %d\n", PAGERID(pPager))); assert( !isOpen(pPager->jfd) || pPager->journalOff>0 || rc!=SQLITE_OK ); return rc; } /* ** Mark a single data page as writeable. The page is written into the ** main journal or sub-journal as required. If the page is written into ** one of the journals, the corresponding bit is set in the |
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** The pager is used to access a database disk file. It implements ** atomic commit and rollback through the use of a journal file that ** is separate from the database file. The pager also implements file ** locking to prevent two processes from writing the same database ** file simultaneously, or one process from reading the database while ** another is writing. ** ** @(#) $Id: pager.c,v 1.605 2009/07/07 13:56:24 danielk1977 Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" /* ** Macros for troubleshooting. Normally turned off */ ................................................................................ assert( pPager->dbOrigSize==0 ); assert( pPager->pInJournal==0 ); rc = pager_open_journal(pPager); } PAGERTRACE(("TRANSACTION %d\n", PAGERID(pPager))); assert( !isOpen(pPager->jfd) || pPager->journalOff>0 || rc!=SQLITE_OK ); if( rc!=SQLITE_OK ){ assert( !pPager->dbModified ); /* Ignore any IO error that occurs within pager_end_transaction(). The ** purpose of this call is to reset the internal state of the pager ** sub-system. It doesn't matter if the journal-file is not properly ** finalized at this point (since it is not a valid journal file anyway). */ pager_end_transaction(pPager, 0); } return rc; } /* ** Mark a single data page as writeable. The page is written into the ** main journal or sub-journal as required. If the page is written into ** one of the journals, the corresponding bit is set in the |