mirror of
https://github.com/sqlite/sqlite.git
synced 2025-08-08 14:02:16 +03:00
More rollback problems: Fix two more errors introduced by checking (410) that
can cause database corruption after a ROLLBACK. Also add new tests to make sure everything is working this time. (CVS 663) FossilOrigin-Name: f6e24d5ccbcfcf5863ffbd65860dafa2f5663e99
This commit is contained in:
drh
28
manifest
28
manifest
@@ -1,9 +1,9 @@
|
||||
C Version\s2.5.5\s(CVS\s662)
|
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D 2002-07-06T16:34:21
|
||||
C More\srollback\sproblems:\s\sFix\stwo\smore\serrors\sintroduced\sby\schecking\s(410)\sthat\ncan\scause\sdatabase\scorruption\safter\sa\sROLLBACK.\s\sAlso\sadd\snew\stests\sto\smake\nsure\severything\sis\sworking\sthis\stime.\s(CVS\s663)
|
||||
D 2002-07-07T16:52:47
|
||||
F Makefile.in 6291a33b87d2a395aafd7646ee1ed562c6f2c28c
|
||||
F Makefile.template 4e11752e0b5c7a043ca50af4296ec562857ba495
|
||||
F README a4c0ba11354ef6ba0776b400d057c59da47a4cc0
|
||||
F VERSION 913f3b0d995e090a9f126ca63215e49ef22904e5
|
||||
F VERSION 0afb45a36f2b97c8455247659f1155967b8bb883
|
||||
F aclocal.m4 11faa843caa38fd451bc6aeb43e248d1723a269d
|
||||
F config.guess f38b1e93d1e0fa6f5a6913e9e7b12774b9232588
|
||||
F config.sub f14b07d544ca26b5d698259045136b783e18fc7f
|
||||
@@ -18,21 +18,21 @@ F publish.sh 1a04b9aa0d9c9661e338268343476ed0851c5778
|
||||
F spec.template 238f7db425a78dc1bb7682e56e3834c7270a3f5e
|
||||
F sqlite.1 83f4a9d37bdf2b7ef079a82d54eaf2e3509ee6ea
|
||||
F src/TODO af7f3cab0228e34149cf98e073aa83d45878e7e6
|
||||
F src/btree.c f722f9ff5cca79cc765d06116a60a106a0ddfdf1
|
||||
F src/btree.c 73212bda34c491ce9165464c3e1ada737acf5e06
|
||||
F src/btree.h 8abeabfe6e0b1a990b64fa457592a6482f6674f3
|
||||
F src/build.c ea4a3bc15d6338294e68100f642edf48e4082403
|
||||
F src/delete.c 215492ffcea4262a993e55f3c4a67dc9fea4da9c
|
||||
F src/encode.c 346b12b46148506c32038524b95c4631ab46d760
|
||||
F src/expr.c 4b25ee5e65f351d40dea8575b998605762556d76
|
||||
F src/func.c 5eae8227a8b0d276a64d51a3880a6e86f238fedf
|
||||
F src/func.c e45cd908b9b723d9b91473d09e12c23f786b3fc2
|
||||
F src/hash.c 6a6236b89c8c060c65dabd300a1c8ce7c10edb72
|
||||
F src/hash.h cd0433998bc1a3759d244e1637fe5a3c13b53bf8
|
||||
F src/insert.c 4511e06abce1688664ce90cbf09fa13433b82c43
|
||||
F src/main.c 6ac32ca71ab4728212c5b44aed25e26dc6cfe73c
|
||||
F src/md5.c 0ae1f3e2cac92d06fc6246d1b4b8f61a2fe66d3b
|
||||
F src/os.c 9cc40c5384baba4a85e160e67807645ca98ba3cc
|
||||
F src/os.c 6902568313e39f7c942b7ba8e316887a5b1aa40e
|
||||
F src/os.h 4a361fccfbc4e7609b3e1557f604f94c1e96ad10
|
||||
F src/pager.c 103341600b4044e41b5bd95cd3850f046b976ff2
|
||||
F src/pager.c b8415b02a2a5c4e9d8bfd45311a5f15e785c7f1f
|
||||
F src/pager.h 6fddfddd3b73aa8abc081b973886320e3c614f0e
|
||||
F src/parse.y 35437ac29441ce2d34904d8e93f40b7d112147a9
|
||||
F src/printf.c 236ed7a79386feed4456fa728fff8be793f1547c
|
||||
@@ -55,7 +55,7 @@ F src/util.c 7a99e754c44dd220e881122e30581c08b6d6adef
|
||||
F src/vdbe.c 0169270bb73e8dec4174b90dffc7070c4cabe039
|
||||
F src/vdbe.h a9292f2b5fcecef924fa255fb74609e9cbc776c2
|
||||
F src/where.c 6a43aa6c80eab12221eeca754cba852a9ecd1e13
|
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F test/all.test e4d3821eeba751829b419cd47814bd20af4286d1
|
||||
F test/all.test f296d27fff6aca72348af15092154f879d1fc7d4
|
||||
F test/bigrow.test 8ab252dba108f12ad64e337b0f2ff31a807ac578
|
||||
F test/btree.test bf326f546a666617367a7033fa2c07451bd4f8e1
|
||||
F test/btree2.test e3b81ec33dc2f89b3e6087436dfe605b870c9080
|
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@@ -84,7 +84,7 @@ F test/null.test 5c2b57307e4b6178aae825eb65ddbee01e76b0fd
|
||||
F test/pager.test b0c0d00cd5dce0ce21f16926956b195c0ab5044c
|
||||
F test/pragma.test 0b9675ef1f5ba5b43abfa337744445fc5b01a34a
|
||||
F test/printf.test a29b8afa24edb4411adfe473b12ac32c84098fce
|
||||
F test/quick.test 6f023c7a73fc413e6d65b7a1879c79764038dc05
|
||||
F test/quick.test 21f710471a6eb9b2513d8fe4abd07bdb874f23bb
|
||||
F test/quote.test 08f23385c685d3dc7914ec760d492cacea7f6e3d
|
||||
F test/rowid.test 4c55943300cddf73dd0f88d40a268cab14c83274
|
||||
F test/select1.test 0d708cec567104653ec9aa49fecf3444a2e7d150
|
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@@ -100,7 +100,7 @@ F test/tableapi.test 3c80421a889e1d106df16e5800fa787f0d2914a6
|
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F test/tclsqlite.test 6f4b9760681c7dbca52a18d0ab46a1679cdc79b9
|
||||
F test/temptable.test 9ed7ec0288f887e132de66d90c428ad109105f67
|
||||
F test/tester.tcl 6f603d90881bd835ea27c568a7fecaa57dce91cc
|
||||
F test/trans.test 4eeb19975bb9607dce4fd4c0ef6723c2185c7d84
|
||||
F test/trans.test 1fd1ecdece1eca22abe631674c3bd24046df4150
|
||||
F test/trigger1.test bb63749fa8a395a60541100607d86381604b7194
|
||||
F test/trigger2.test c12759a0d7ba6488d9d24c96a1352ddee995c1ab
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F test/trigger3.test 7dfe798d7e72c13720394685fe353112e3f31adf
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@@ -125,7 +125,7 @@ F www/arch.fig d5f9752a4dbf242e9cfffffd3f5762b6c63b3bcf
|
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F www/arch.png 82ef36db1143828a7abc88b1e308a5f55d4336f4
|
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F www/arch.tcl 72a0c80e9054cc7025a50928d28d9c75c02c2b8b
|
||||
F www/c_interface.tcl 58cf4d128dcae08d91d0011c6d4d11de323f470f
|
||||
F www/changes.tcl 8b15a85a0a338234ddff5804ecad636521efcab5
|
||||
F www/changes.tcl a6d732a78b451eab29a66a068dc07b359f32c5a8
|
||||
F www/conflict.tcl 81dd21f9a679e60aae049e9dd8ab53d59570cda2
|
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F www/crosscompile.tcl 3622ebbe518927a3854a12de51344673eb2dd060
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F www/download.tcl 29aa6679ca29621d10613f60ebbbda18f4b91c49
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@@ -140,7 +140,7 @@ F www/speed.tcl da8afcc1d3ccc5696cfb388a68982bc3d9f7f00f
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F www/sqlite.tcl ae3dcfb077e53833b59d4fcc94d8a12c50a44098
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F www/tclsqlite.tcl 1db15abeb446aad0caf0b95b8b9579720e4ea331
|
||||
F www/vdbe.tcl 2013852c27a02a091d39a766bc87cff329f21218
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P 00f83c2576f4a9689720d344788f66219c1f6827
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R 5a2631b9a3e9098f0e7b3bbcc4662784
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P 6284c65c174bb2cd049fd1db81de52be3abf4000
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R 66486ccd900763207e459fadea926940
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U drh
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Z 4b1afc40fad39701659a14b71a9eda50
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Z 6cbbb10ace5dd6c600cdbe2673a30799
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@@ -1 +1 @@
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6284c65c174bb2cd049fd1db81de52be3abf4000
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f6e24d5ccbcfcf5863ffbd65860dafa2f5663e99
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14
src/btree.c
14
src/btree.c
@@ -9,7 +9,7 @@
|
||||
** May you share freely, never taking more than you give.
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||||
**
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||||
*************************************************************************
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||||
** $Id: btree.c,v 1.64 2002/07/06 16:32:15 drh Exp $
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||||
** $Id: btree.c,v 1.65 2002/07/07 16:52:47 drh Exp $
|
||||
**
|
||||
** This file implements a external (disk-based) database using BTrees.
|
||||
** For a detailed discussion of BTrees, refer to
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@@ -1569,6 +1569,12 @@ static int freePage(Btree *pBt, void *pPage, Pgno pgno){
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pgno = sqlitepager_pagenumber(pOvfl);
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}
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||||
assert( pgno>2 );
|
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pMemPage = (MemPage*)pPage;
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pMemPage->isInit = 0;
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||||
if( pMemPage->pParent ){
|
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sqlitepager_unref(pMemPage->pParent);
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||||
pMemPage->pParent = 0;
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||||
}
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||||
rc = sqlitepager_write(pPage1);
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||||
if( rc ){
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return rc;
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||||
@@ -1606,12 +1612,6 @@ static int freePage(Btree *pBt, void *pPage, Pgno pgno){
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pOvfl->iNext = pPage1->freeList;
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pPage1->freeList = pgno;
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memset(pOvfl->aPayload, 0, OVERFLOW_SIZE);
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pMemPage = (MemPage*)pPage;
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pMemPage->isInit = 0;
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if( pMemPage->pParent ){
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sqlitepager_unref(pMemPage->pParent);
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pMemPage->pParent = 0;
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}
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if( needUnref ) rc = sqlitepager_unref(pOvfl);
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return rc;
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}
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48
src/func.c
48
src/func.c
@@ -16,7 +16,7 @@
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** sqliteRegisterBuildinFunctions() found at the bottom of the file.
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** All other code has file scope.
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**
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** $Id: func.c,v 1.21 2002/06/20 11:36:49 drh Exp $
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||||
** $Id: func.c,v 1.22 2002/07/07 16:52:47 drh Exp $
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*/
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||||
#include <ctype.h>
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#include <math.h>
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@@ -247,6 +247,49 @@ static void nullifFunc(sqlite_func *context, int argc, const char **argv){
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}
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}
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#ifdef SQLITE_TEST
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/*
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** This function generates a string of random characters. Used for
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** generating test data.
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*/
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||||
static void randStr(sqlite_func *context, int argc, const char **argv){
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static const char zSrc[] =
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"abcdefghijklmnopqrstuvwxyz"
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"0123456789"
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".-!,:*^+=_|?/<> ";
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int iMin, iMax, n, r, i;
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char zBuf[1000];
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if( argc>=1 ){
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iMin = atoi(argv[0]);
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if( iMin<0 ) iMin = 0;
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if( iMin>=sizeof(zBuf) ) iMin = sizeof(zBuf)-1;
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}else{
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iMin = 1;
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}
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if( argc>=2 ){
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iMax = atoi(argv[1]);
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if( iMax<iMin ) iMax = iMin;
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if( iMax>=sizeof(zBuf) ) iMax = sizeof(zBuf);
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}else{
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iMax = 50;
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}
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n = iMin;
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if( iMax>iMin ){
|
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r = sqliteRandomInteger();
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if( r<0 ) r = -r;
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n += r%(iMax + 1 - iMin);
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}
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r = 0;
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for(i=0; i<n; i++){
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r = (r + sqliteRandomByte())% (sizeof(zSrc)-1);
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zBuf[i] = zSrc[r];
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}
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zBuf[n] = 0;
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||||
sqlite_set_result_string(context, zBuf, n);
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}
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#endif
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/*
|
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** An instance of the following structure holds the context of a
|
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** sum() or avg() aggregate computation.
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@@ -438,6 +481,9 @@ void sqliteRegisterBuiltinFunctions(sqlite *db){
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{ "like", 2, SQLITE_NUMERIC, likeFunc },
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{ "glob", 2, SQLITE_NUMERIC, globFunc },
|
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{ "nullif", 2, SQLITE_ARGS, nullifFunc },
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#ifdef SQLITE_TEST
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{ "randstr", 2, SQLITE_TEXT, randStr },
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#endif
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};
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static struct {
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char *zName;
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10
src/os.c
10
src/os.c
@@ -717,13 +717,19 @@ int sqliteOsUnlock(OsFile *id){
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*/
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int sqliteOsRandomSeed(char *zBuf){
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static int once = 1;
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#if OS_UNIX
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#ifdef SQLITE_TEST
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/* When testing, always use the same random number sequence.
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** This makes the tests repeatable.
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*/
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memset(zBuf, 0, 256);
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#endif
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#if OS_UNIX && !defined(SQLITE_TEST)
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int pid;
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time((time_t*)zBuf);
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pid = getpid();
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memcpy(&zBuf[sizeof(time_t)], &pid, sizeof(pid));
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||||
#endif
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#if OS_WIN
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#if OS_WIN && !defined(SQLITE_TEST)
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GetSystemTime((LPSYSTEMTIME)zBuf);
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#endif
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if( once ){
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26
src/pager.c
26
src/pager.c
@@ -18,7 +18,7 @@
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** file simultaneously, or one process from reading the database while
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** another is writing.
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**
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** @(#) $Id: pager.c,v 1.48 2002/07/06 16:28:48 drh Exp $
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** @(#) $Id: pager.c,v 1.49 2002/07/07 16:52:47 drh Exp $
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*/
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#include "sqliteInt.h"
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#include "pager.h"
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@@ -74,10 +74,10 @@ struct PgHdr {
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||||
int nRef; /* Number of users of this page */
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||||
PgHdr *pNextFree, *pPrevFree; /* Freelist of pages where nRef==0 */
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PgHdr *pNextAll, *pPrevAll; /* A list of all pages */
|
||||
char inJournal; /* TRUE if has been written to journal */
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char inCkpt; /* TRUE if written to the checkpoint journal */
|
||||
char dirty; /* TRUE if we need to write back changes */
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char alwaysRollback; /* Ignore dont_rollback() calls if true */
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u8 inJournal; /* TRUE if has been written to journal */
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u8 inCkpt; /* TRUE if written to the checkpoint journal */
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u8 dirty; /* TRUE if we need to write back changes */
|
||||
u8 alwaysRollback; /* Disable dont_rollback() for this page */
|
||||
/* SQLITE_PAGE_SIZE bytes of page data follow this header */
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||||
/* Pager.nExtra bytes of local data follow the page data */
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};
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@@ -123,6 +123,7 @@ struct Pager {
|
||||
u8 readOnly; /* True for a read-only database */
|
||||
u8 needSync; /* True if an fsync() is needed on the journal */
|
||||
u8 dirtyFile; /* True if database file has changed in any way */
|
||||
u8 alwaysRollback; /* Disable dont_rollback() for all pages */
|
||||
u8 *aInJournal; /* One bit for each page in the database file */
|
||||
u8 *aInCkpt; /* One bit for each page in the database */
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||||
PgHdr *pFirst, *pLast; /* List of free pages */
|
||||
@@ -861,6 +862,18 @@ int sqlitepager_get(Pager *pPager, Pgno pgno, void **ppPage){
|
||||
assert( pPg->nRef==0 );
|
||||
assert( pPg->dirty==0 );
|
||||
|
||||
/* If the page we are recyclying is marked as alwaysRollback, then
|
||||
** set the global alwaysRollback flag, thus disabling the
|
||||
** sqlite_dont_rollback() optimization for the rest of this transaction.
|
||||
** It is necessary to do this because the page marked alwaysRollback
|
||||
** might be reloaded at a later time but at that point we won't remember
|
||||
** that is was marked alwaysRollback. This means that all pages must
|
||||
** be marked as alwaysRollback from here on out.
|
||||
*/
|
||||
if( pPg->alwaysRollback ){
|
||||
pPager->alwaysRollback = 1;
|
||||
}
|
||||
|
||||
/* Unlink the old page from the free list and the hash table
|
||||
*/
|
||||
if( pPg->pPrevFree ){
|
||||
@@ -1056,6 +1069,7 @@ int sqlitepager_begin(void *pData){
|
||||
pPager->journalOpen = 1;
|
||||
pPager->needSync = 0;
|
||||
pPager->dirtyFile = 0;
|
||||
pPager->alwaysRollback = 0;
|
||||
pPager->state = SQLITE_WRITELOCK;
|
||||
sqlitepager_pagecount(pPager);
|
||||
pPager->origDbSize = pPager->dbSize;
|
||||
@@ -1242,7 +1256,7 @@ void sqlitepager_dont_rollback(void *pData){
|
||||
Pager *pPager = pPg->pPager;
|
||||
|
||||
if( pPager->state!=SQLITE_WRITELOCK || pPager->journalOpen==0 ) return;
|
||||
if( pPg->alwaysRollback ) return;
|
||||
if( pPg->alwaysRollback || pPager->alwaysRollback ) return;
|
||||
if( !pPg->inJournal && (int)pPg->pgno <= pPager->origDbSize ){
|
||||
assert( pPager->aInJournal!=0 );
|
||||
pPager->aInJournal[pPg->pgno/8] |= 1<<(pPg->pgno&7);
|
||||
|
||||
@@ -10,7 +10,7 @@
|
||||
#***********************************************************************
|
||||
# This file runs all tests.
|
||||
#
|
||||
# $Id: all.test,v 1.14 2002/05/10 13:14:08 drh Exp $
|
||||
# $Id: all.test,v 1.15 2002/07/07 16:52:47 drh Exp $
|
||||
|
||||
set testdir [file dirname $argv0]
|
||||
source $testdir/tester.tcl
|
||||
@@ -34,8 +34,8 @@ set EXCLUDE {
|
||||
quick.test
|
||||
malloc.test
|
||||
misuse.test
|
||||
btree2.test
|
||||
}
|
||||
# btree2.test
|
||||
|
||||
for {set Counter 0} {$Counter<$COUNT && $nErr==0} {incr Counter} {
|
||||
if {$Counter%2} {
|
||||
|
||||
@@ -10,12 +10,13 @@
|
||||
#***********************************************************************
|
||||
# This file runs all tests.
|
||||
#
|
||||
# $Id: quick.test,v 1.2 2001/10/22 02:58:11 drh Exp $
|
||||
# $Id: quick.test,v 1.3 2002/07/07 16:52:47 drh Exp $
|
||||
|
||||
set testdir [file dirname $argv0]
|
||||
source $testdir/tester.tcl
|
||||
rename finish_test really_finish_test
|
||||
proc finish_test {} {}
|
||||
set ISQUICK 1
|
||||
|
||||
set EXCLUDE {
|
||||
all.test
|
||||
|
||||
@@ -11,7 +11,7 @@
|
||||
# This file implements regression tests for SQLite library. The
|
||||
# focus of this script is database locks.
|
||||
#
|
||||
# $Id: trans.test,v 1.12 2002/06/25 13:16:04 drh Exp $
|
||||
# $Id: trans.test,v 1.13 2002/07/07 16:52:47 drh Exp $
|
||||
|
||||
|
||||
set testdir [file dirname $argv0]
|
||||
@@ -805,5 +805,86 @@ do_test trans-8.2 {
|
||||
} $checksum2
|
||||
integrity_check trans-8.3
|
||||
|
||||
# In the following sequence of tests, compute the MD5 sum of the content
|
||||
# of a table, make lots of modifications to that table, then do a rollback.
|
||||
# Verify that after the rollback, the MD5 checksum is unchanged.
|
||||
#
|
||||
do_test trans-9.1 {
|
||||
execsql {
|
||||
PRAGMA cache_size=10;
|
||||
BEGIN;
|
||||
CREATE TABLE t3(x TEXT);
|
||||
INSERT INTO t3 VALUES(randstr(10,400));
|
||||
INSERT INTO t3 VALUES(randstr(10,400));
|
||||
INSERT INTO t3 SELECT randstr(10,400) FROM t3;
|
||||
INSERT INTO t3 SELECT randstr(10,400) FROM t3;
|
||||
INSERT INTO t3 SELECT randstr(10,400) FROM t3;
|
||||
INSERT INTO t3 SELECT randstr(10,400) FROM t3;
|
||||
INSERT INTO t3 SELECT randstr(10,400) FROM t3;
|
||||
INSERT INTO t3 SELECT randstr(10,400) FROM t3;
|
||||
INSERT INTO t3 SELECT randstr(10,400) FROM t3;
|
||||
INSERT INTO t3 SELECT randstr(10,400) FROM t3;
|
||||
INSERT INTO t3 SELECT randstr(10,400) FROM t3;
|
||||
COMMIT;
|
||||
SELECT count(*) FROM t3;
|
||||
}
|
||||
} {1024}
|
||||
|
||||
# The following procedure computes a "signature" for table "t3". If
|
||||
# T3 changes in any way, the signature should change.
|
||||
#
|
||||
# This is used to test ROLLBACK. We gather a signature for t3, then
|
||||
# make lots of changes to t3, then rollback and take another signature.
|
||||
# The two signatures should be the same.
|
||||
#
|
||||
proc signature {} {
|
||||
return [db eval {SELECT count(*), md5sum(x) FROM t3}]
|
||||
}
|
||||
|
||||
# Repeat the following group of tests 20 times for quick testing and
|
||||
# 40 times for full testing. Each iteration of the test makes table
|
||||
# t3 a little larger, and thus takes a little longer, so doing 40 tests
|
||||
# is more than 2.0 times slower than doing 20 tests. Considerably more.
|
||||
#
|
||||
if {[info exists ISQUICK]} {
|
||||
set limit 20
|
||||
} else {
|
||||
set limit 40
|
||||
}
|
||||
|
||||
# Do rollbacks. Make sure the signature does not change.
|
||||
#
|
||||
for {set i 2} {$i<=$limit} {incr i} {
|
||||
set ::sig [signature]
|
||||
set cnt [lindex $::sig 0]
|
||||
do_test trans-9.$i.1-$cnt {
|
||||
execsql {
|
||||
BEGIN;
|
||||
DELETE FROM t3 WHERE random()%10!=0;
|
||||
INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
|
||||
INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
|
||||
ROLLBACK;
|
||||
}
|
||||
signature
|
||||
} $sig
|
||||
do_test trans-9.$i.2-$cnt {
|
||||
execsql {
|
||||
BEGIN;
|
||||
DELETE FROM t3 WHERE random()%10!=0;
|
||||
INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
|
||||
DELETE FROM t3 WHERE random()%10!=0;
|
||||
INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
|
||||
ROLLBACK;
|
||||
}
|
||||
signature
|
||||
} $sig
|
||||
if {$i<$limit} {
|
||||
do_test trans-9.$i.9-$cnt {
|
||||
execsql {
|
||||
INSERT INTO t3 SELECT randstr(10,400) FROM t3 WHERE random()%10==0;
|
||||
}
|
||||
} {}
|
||||
}
|
||||
}
|
||||
|
||||
finish_test
|
||||
|
||||
@@ -25,6 +25,12 @@ proc chng {date desc} {
|
||||
puts "<DD><P><UL>$desc</UL></P></DD>"
|
||||
}
|
||||
|
||||
chng {2002 Jly 7 (2.5.6)} {
|
||||
<li>Fix more problems with rollback. Enhance the test suite to exercise
|
||||
the rollback logic extensively in order to prevent any future problems.
|
||||
</li>
|
||||
}
|
||||
|
||||
chng {2002 Jly 6 (2.5.5)} {
|
||||
<li>Fix a bug which could cause database corruption during a rollback.
|
||||
This bugs was introduced in version 2.4.0 by the freelist
|
||||
|
||||
Reference in New Issue
Block a user