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Overview
| Comment: | Work around a bug in GCC 4.0.2. (CVS 3154) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | fe0920c7922bfdbefbc0107fb9170d98bec2dcef |
| User & Date: | drh 2006-03-26 20:49:18 |
Context
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2006-03-28
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| 00:24 | Extra asserts to prove that certain reported errors in btree.c are not really errors. (CVS 3155) check-in: c64542d0 user: drh tags: trunk | |
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2006-03-26
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| 20:49 | Work around a bug in GCC 4.0.2. (CVS 3154) check-in: fe0920c7 user: drh tags: trunk | |
| 01:21 | SQLite now always chooses the column names for compound selects using the left-most select. This makes SQLite work like other SQL database, but it also is a change from historical behavior and may break some scripts. Ticket #1721. (CVS 3153) check-in: 80cda9f7 user: drh tags: trunk | |
Changes
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 1.264 2006/03/23 23:29:04 drh Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" #include "os.h" #include "pager.h" #include <assert.h> #include <string.h> ................................................................................ return n; } /* ** Forward declaration */ static int syncJournal(Pager*); /* ** Unlink pPg from it's hash chain. Also set the page number to 0 to indicate ** that the page is not part of any hash chain. This is required because the ** sqlite3pager_movepage() routine can leave a page in the ** pNextFree/pPrevFree list that is not a part of any hash-chain. ................................................................................ pPg->pPrevHash->pNextHash = pPg->pNextHash; }else{ int h = pager_hash(pPg->pgno); assert( pPager->aHash[h]==pPg ); pPager->aHash[h] = pPg->pNextHash; } if( MEMDB ){ static void clearHistory(PgHistory*); /* Forward reference */ clearHistory(PGHDR_TO_HIST(pPg, pPager)); } pPg->pgno = 0; pPg->pNextHash = pPg->pPrevHash = 0; } /* |
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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 1.265 2006/03/26 20:49:18 drh Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" #include "os.h" #include "pager.h" #include <assert.h> #include <string.h> ................................................................................ return n; } /* ** Forward declaration */ static int syncJournal(Pager*); static void clearHistory(PgHistory*); /* ** Unlink pPg from it's hash chain. Also set the page number to 0 to indicate ** that the page is not part of any hash chain. This is required because the ** sqlite3pager_movepage() routine can leave a page in the ** pNextFree/pPrevFree list that is not a part of any hash-chain. ................................................................................ pPg->pPrevHash->pNextHash = pPg->pNextHash; }else{ int h = pager_hash(pPg->pgno); assert( pPager->aHash[h]==pPg ); pPager->aHash[h] = pPg->pNextHash; } if( MEMDB ){ clearHistory(PGHDR_TO_HIST(pPg, pPager)); } pPg->pgno = 0; pPg->pNextHash = pPg->pPrevHash = 0; } /* |