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Overview
| Comment: | Memory DB works with autovacuum. (CVS 3041) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
34dff874a2bf8331be87310809ba11d8 |
| User & Date: | drh 2006-01-30 22:48:44 |
Context
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2006-01-30
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| 23:04 | Remove support for the non-standard ON CONFLICT clause on CREATE INDEX. Ticket #1486. The ON CONFLICT clause has never worked on CREATE INDEX so removing it should not break anything. (CVS 3042) check-in: 669bcf5a user: drh tags: trunk | |
| 22:48 | Memory DB works with autovacuum. (CVS 3041) check-in: 34dff874 user: drh tags: trunk | |
| 22:35 | Make sure the 3rd parameter to sqlite3_prepare() is honored. Ticket #1650. (CVS 3040) check-in: 9d53cc88 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 1.256 2006/01/24 13:09:33 danielk1977 Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" #include "os.h" #include "pager.h" #include <assert.h> #include <string.h> ................................................................................ rc = pPager->errCode; return rc; } /* Populate the page with data, either by reading from the database ** file, or by setting the entire page to zero. */ if( sqlite3pager_pagecount(pPager)<(int)pgno ){ memset(PGHDR_TO_DATA(pPg), 0, pPager->pageSize); }else{ assert( MEMDB==0 ); rc = sqlite3OsSeek(pPager->fd, (pgno-1)*(i64)pPager->pageSize); if( rc==SQLITE_OK ){ rc = sqlite3OsRead(pPager->fd, PGHDR_TO_DATA(pPg), pPager->pageSize); |
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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 1.257 2006/01/30 22:48:44 drh Exp $ */ #ifndef SQLITE_OMIT_DISKIO #include "sqliteInt.h" #include "os.h" #include "pager.h" #include <assert.h> #include <string.h> ................................................................................ rc = pPager->errCode; return rc; } /* Populate the page with data, either by reading from the database ** file, or by setting the entire page to zero. */ if( sqlite3pager_pagecount(pPager)<(int)pgno || MEMDB ){ memset(PGHDR_TO_DATA(pPg), 0, pPager->pageSize); }else{ assert( MEMDB==0 ); rc = sqlite3OsSeek(pPager->fd, (pgno-1)*(i64)pPager->pageSize); if( rc==SQLITE_OK ){ rc = sqlite3OsRead(pPager->fd, PGHDR_TO_DATA(pPg), pPager->pageSize); |
Changes to test/memdb.test.
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# May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. The # focus of this script is in-memory database backend. # # $Id: memdb.test,v 1.14 2006/01/17 09:35:02 danielk1977 Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl ifcapable memorydb { ................................................................................ do_test memdb-7.2.$i { execsql "DELETE FROM t6 WHERE x=\ (SELECT x FROM t6 ORDER BY random() LIMIT 1)" execsql {SELECT count(*) FROM t6} } [expr {256-$i}] } } } ;# ifcapable memorydb finish_test |
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# May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. The # focus of this script is in-memory database backend. # # $Id: memdb.test,v 1.15 2006/01/30 22:48:44 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl ifcapable memorydb { ................................................................................ do_test memdb-7.2.$i { execsql "DELETE FROM t6 WHERE x=\ (SELECT x FROM t6 ORDER BY random() LIMIT 1)" execsql {SELECT count(*) FROM t6} } [expr {256-$i}] } } # Ticket #1524 # do_test memdb-8.1 { db close sqlite3 db {:memory:} execsql { PRAGMA auto_vacuum=TRUE; CREATE TABLE t1(a); INSERT INTO t1 VALUES(randstr(5000,6000)); INSERT INTO t1 VALUES(randstr(5000,6000)); INSERT INTO t1 VALUES(randstr(5000,6000)); INSERT INTO t1 VALUES(randstr(5000,6000)); INSERT INTO t1 VALUES(randstr(5000,6000)); SELECT count(*) FROM t1; } } 5 do_test memdb-8.2 { execsql { DELETE FROM t1; SELECT count(*) FROM t1; } } 0 } ;# ifcapable memorydb finish_test |