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Overview
| Comment: | Remove an ALWAYS() from a condition that can in fact be false under very obscure circumstances. (CVS 6918) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
38083228956ac05df45f44447ab39c64 |
| User & Date: | drh 2009-07-22 02:02:40 |
Context
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2009-07-22
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| 07:27 | Changes to test code (only) to allow veryquick.test to run with OMIT_UTF16 builsd. Ticket #3985. (CVS 6919) check-in: 7f3fc7f2 user: danielk1977 tags: trunk | |
| 02:02 | Remove an ALWAYS() from a condition that can in fact be false under very obscure circumstances. (CVS 6918) check-in: 38083228 user: drh tags: trunk | |
| 00:35 | Further simplifications to btree.c, especially the sqlite3BtreeKey() and sqlite3BtreeData() functions. New assert() statements added to verify that these routines are called correctly. (CVS 6917) check-in: 96cfd079 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 1.610 2009/07/21 19:25:24 danielk1977 Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" /* ** Macros for troubleshooting. Normally turned off */ ................................................................................ ** from its hash chain. Also, if the PgHdr.needSync was set for ** page pgno before the 'move' operation, it needs to be retained ** for the page moved there. */ pPg->flags &= ~PGHDR_NEED_SYNC; pPgOld = pager_lookup(pPager, pgno); assert( !pPgOld || pPgOld->nRef==1 ); if( ALWAYS(pPgOld) ){ pPg->flags |= (pPgOld->flags&PGHDR_NEED_SYNC); sqlite3PcacheDrop(pPgOld); } origPgno = pPg->pgno; sqlite3PcacheMove(pPg, pgno); sqlite3PcacheMakeDirty(pPg); |
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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 1.611 2009/07/22 02:02:40 drh Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" /* ** Macros for troubleshooting. Normally turned off */ ................................................................................ ** from its hash chain. Also, if the PgHdr.needSync was set for ** page pgno before the 'move' operation, it needs to be retained ** for the page moved there. */ pPg->flags &= ~PGHDR_NEED_SYNC; pPgOld = pager_lookup(pPager, pgno); assert( !pPgOld || pPgOld->nRef==1 ); if( pPgOld ){ pPg->flags |= (pPgOld->flags&PGHDR_NEED_SYNC); sqlite3PcacheDrop(pPgOld); } origPgno = pPg->pgno; sqlite3PcacheMove(pPg, pgno); sqlite3PcacheMakeDirty(pPg); |