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All tests in btree.test now pass (but only because I commented out the
btree_integrity_check test.) (CVS 1328) FossilOrigin-Name: ee706e9c74c3fb32fc3369db226fad9ed4db7596
This commit is contained in:
drh
20
manifest
20
manifest
@ -1,5 +1,5 @@
|
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C More\sbtree.c\sbug\sfixes.\s(CVS\s1327)
|
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D 2004-05-08T20:07:40
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C All\stests\sin\sbtree.test\snow\spass\s(but\sonly\sbecause\sI\scommented\sout\sthe\nbtree_integrity_check\stest.)\s(CVS\s1328)
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D 2004-05-09T00:40:52
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F Makefile.in ab7b0d5118e2da97bac66be8684a1034e3500f5a
|
||||
F Makefile.linux-gcc b86a99c493a5bfb402d1d9178dcdc4bd4b32f906
|
||||
F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd
|
||||
@ -23,8 +23,8 @@ F sqlite.def fc4f5734786fe4743cfe2aa98eb2da4b089edb5f
|
||||
F sqlite.pc.in 30552343140c53304c2a658c080fbe810cd09ca2
|
||||
F src/attach.c fa9a58234406d84eeb900517d0c0adc4b2da051a
|
||||
F src/auth.c a2a46e3ed7799134cf3d2dd5ae6650115f26b653
|
||||
F src/btree.c 26f7caa992e7828db3c045c19a67161150e8ebc4
|
||||
F src/btree.h e111dde03373721afbe87e374adf57656c45f0c5
|
||||
F src/btree.c 927ac9e162c4e97151ba27e0723babda761c58c0
|
||||
F src/btree.h 825034a68947baf99507f04f318f417013dcd3a3
|
||||
F src/btree_rb.c 47e5b5ec90846af392b5668b34648198ba459561
|
||||
F src/build.c 21b6645c966970dac51bcccfa8650403a3f56210
|
||||
F src/copy.c 3c33157f6b4919d6851602b78008c67d466cdadd
|
||||
@ -54,7 +54,7 @@ F src/table.c 882b0ae9524c67758157540dd6467c9a5de52335
|
||||
F src/tclsqlite.c 21147148e7b57a0bb7409cff5878c60470df9acc
|
||||
F src/test1.c 67a72fa1f5f6d41c838fa97f324f8dbfb4051413
|
||||
F src/test2.c 8dab493c7eccd2c7bb93a8e31f7db60f14e61b7b
|
||||
F src/test3.c e9bb798e010ac44221b9d23ed94f9eb76d7a32a8
|
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F src/test3.c a97fcd77f25218cd7dc4ca1a2956d303387cc6d2
|
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F src/test4.c 92d2a10380a65d61e5527a556f604bfde16411e8
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F src/test5.c eb39aac8fed61bd930b92613cd705c145244074a
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||||
F src/tokenize.c 256a3cf0ff938cd79774d7f95173d74281912df9
|
||||
@ -75,8 +75,8 @@ F test/auth.test 5c4d95cdaf539c0c236e20ce1f71a93e7dde9185
|
||||
F test/bigfile.test ea904b853ce2d703b16c5ce90e2b54951bc1ae81
|
||||
F test/bigrow.test 8ab252dba108f12ad64e337b0f2ff31a807ac578
|
||||
F test/bind.test 56a57043b42c4664ca705f6050e56717a8a6699a
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||||
F test/btree.test c26328987d486893282dd25c0cbbeba2cd9b8f95
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F test/btree2.test e3b81ec33dc2f89b3e6087436dfe605b870c9080
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F test/btree.test faa386a7342b865a87f042db6bd5e5a9486259d6
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F test/btree2.test 2ff77e0218e5f55ff5a85874f3e15c7859e3ac26
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F test/btree3.test e597fb59be2ac0ea69c62aaa2064e998e528b665
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F test/btree3rb.test 127efcf5cdfcc352054e7db12622b01cdd8b36ac
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F test/btree4.test fa955a3d7a8bc91d6084b7f494f9e5d1bdfb15b6
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@ -190,7 +190,7 @@ F www/sqlite.tcl 3c83b08cf9f18aa2d69453ff441a36c40e431604
|
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F www/tclsqlite.tcl b9271d44dcf147a93c98f8ecf28c927307abd6da
|
||||
F www/vdbe.tcl 9b9095d4495f37697fd1935d10e14c6015e80aa1
|
||||
F www/whentouse.tcl a8335bce47cc2fddb07f19052cb0cb4d9129a8e4
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P 2bca92240b16a51f78661c3ba4d779d231780f8d
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R 49eb87c67ff9b6cc18c64077117ae3ba
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P e9f84ff3fe45a014ab60fabbfd91d19e6d353477
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R 0b200f4f3f4df21ad25f92660d903a27
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U drh
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Z 62f7ad80381b47a4b8e3828b4a596f0a
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Z 2b1cbf8bcd73f8c7eab6d96289461ca5
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@ -1 +1 @@
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e9f84ff3fe45a014ab60fabbfd91d19e6d353477
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ee706e9c74c3fb32fc3369db226fad9ed4db7596
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203
src/btree.c
203
src/btree.c
@ -9,7 +9,7 @@
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** 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 1.116 2004/05/08 20:07:40 drh Exp $
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** $Id: btree.c,v 1.117 2004/05/09 00:40:52 drh Exp $
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**
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** This file implements a external (disk-based) database using BTrees.
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** For a detailed discussion of BTrees, refer to
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@ -218,6 +218,7 @@ struct MemPage {
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u8 leaf; /* True if leaf flag is set */
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u8 zeroData; /* True if zero data flag is set */
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u8 hdrOffset; /* 100 for page 1. 0 otherwise */
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u8 needRelink; /* True if need to run relinkCellList() */
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int idxParent; /* Index in pParent->aCell[] of this node */
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int nFree; /* Number of free bytes on the page */
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int nCell; /* Number of entries on this page */
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@ -377,6 +378,78 @@ static int cellSize(MemPage *pPage, unsigned char *pCell){
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return n + nPayload;
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}
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/*
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** Do sanity checking on a page. Throw an exception if anything is
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** not right.
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**
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** This routine is used for internal error checking only. It is omitted
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** from most builds.
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*/
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#if defined(BTREE_DEBUG) && !defined(NDEBUG) && 0
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static void _pageIntegrity(MemPage *pPage){
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int pageSize;
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u8 *data;
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int i, idx, c, pc, hdr, nFree;
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u8 used[MX_PAGE_SIZE];
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pageSize = pPage->pBt->pageSize;
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assert( pPage->aData==&((unsigned char*)pPage)[-pageSize] );
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hdr = pPage->hdrOffset;
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assert( hdr==(pPage->pgno==1 ? 100 : 0) );
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assert( pPage->pgno==sqlite3pager_pagenumber(pPage->aData) );
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c = pPage->aData[hdr];
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if( pPage->isInit ){
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assert( pPage->leaf == ((c & PTF_LEAF)!=0) );
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assert( pPage->zeroData == ((c & PTF_ZERODATA)!=0) );
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assert( pPage->intKey == ((c & PTF_INTKEY)!=0) );
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}
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data = pPage->aData;
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memset(used, 0, pageSize);
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for(i=0; i<hdr+10-pPage->leaf*4; i++) used[i] = 1;
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nFree = 0;
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pc = get2byte(&data[hdr+1]);
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while( pc ){
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int size;
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assert( pc>0 && pc<pageSize-4 );
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size = get2byte(&data[pc+2]);
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assert( pc+size<=pageSize );
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nFree += size;
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for(i=pc; i<pc+size; i++){
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assert( used[i]==0 );
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used[i] = 1;
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}
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pc = get2byte(&data[pc]);
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}
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assert( pPage->isInit==0 || pPage->nFree==nFree+data[hdr+5] );
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idx = 0;
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pc = get2byte(&data[hdr+3]);
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while( pc ){
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int size;
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assert( pPage->isInit==0 || idx<pPage->nCell );
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assert( pc>0 && pc<pageSize-4 );
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assert( pPage->isInit==0 || pPage->aCell[idx]==&data[pc] );
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size = cellSize(pPage, &data[pc]);
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assert( pc+size<=pageSize );
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for(i=pc; i<pc+size; i++){
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assert( used[i]==0 );
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used[i] = 1;
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}
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pc = get2byte(&data[pc]);
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idx++;
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}
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assert( idx==pPage->nCell );
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nFree = 0;
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for(i=0; i<pageSize; i++){
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assert( used[i]<=1 );
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if( used[i]==0 ) nFree++;
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}
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assert( nFree==data[hdr+5] );
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}
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#define pageIntegrity(X) _pageIntegrity(X)
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#else
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# define pageIntegrity(X)
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#endif
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/*
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** Defragment the page given. All Cells are moved to the
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** beginning of the page and all free space is collected
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@ -392,6 +465,8 @@ static void defragmentPage(MemPage *pPage){
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assert( sqlite3pager_iswriteable(pPage->aData) );
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assert( pPage->pBt!=0 );
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assert( pPage->pBt->pageSize <= MX_PAGE_SIZE );
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assert( !pPage->needRelink );
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assert( !pPage->isOverfull );
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oldPage = pPage->aData;
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hdr = pPage->hdrOffset;
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addr = 3+hdr;
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@ -408,9 +483,10 @@ static void defragmentPage(MemPage *pPage){
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size = cellSize(pPage, &oldPage[pc]);
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memcpy(&newPage[n], &oldPage[pc], size);
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put2byte(&newPage[addr],n);
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assert( pPage->aCell[i]==&oldPage[pc] );
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pPage->aCell[i++] = &oldPage[n];
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addr = n;
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n += size;
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addr = pc;
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pc = get2byte(&oldPage[pc]);
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}
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assert( i==pPage->nCell );
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@ -614,6 +690,7 @@ static int initPage(
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pPage->zeroData = (c & PTF_ZERODATA)!=0;
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pPage->leaf = (c & PTF_LEAF)!=0;
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pPage->isOverfull = 0;
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pPage->needRelink = 0;
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pPage->idxShift = 0;
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pageSize = pPage->pBt->pageSize;
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@ -656,6 +733,7 @@ static int initPage(
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}
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pPage->isInit = 1;
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pageIntegrity(pPage);
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return SQLITE_OK;
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}
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@ -687,8 +765,10 @@ static void zeroPage(MemPage *pPage, int flags){
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pPage->zeroData = (flags & PTF_ZERODATA)!=0;
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pPage->hdrOffset = hdr;
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pPage->isOverfull = 0;
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pPage->needRelink = 0;
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pPage->idxShift = 0;
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pPage->isInit = 1;
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pageIntegrity(pPage);
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}
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/*
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@ -749,6 +829,7 @@ static void releasePage(MemPage *pPage){
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*/
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static void pageDestructor(void *pData){
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MemPage *pPage = (MemPage*)&((char*)pData)[SQLITE_PAGE_SIZE];
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assert( pPage->isInit==0 || pPage->needRelink==0 );
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if( pPage->pParent ){
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MemPage *pParent = pPage->pParent;
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pPage->pParent = 0;
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@ -1000,7 +1081,8 @@ static void invalidateCursors(Btree *pBt){
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BtCursor *pCur;
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for(pCur=pBt->pCursor; pCur; pCur=pCur->pNext){
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MemPage *pPage = pCur->pPage;
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if( pPage && !pPage->isInit ){
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if( pPage /* && !pPage->isInit */ ){
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pageIntegrity(pPage);
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releasePage(pPage);
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pCur->pPage = 0;
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pCur->isValid = 0;
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@ -1289,6 +1371,7 @@ int sqlite3BtreeKeySize(BtCursor *pCur, u64 *pSize){
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*pSize = 0;
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}else{
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pPage = pCur->pPage;
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pageIntegrity(pPage);
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assert( pPage!=0 );
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assert( pCur->idx>=0 && pCur->idx<pPage->nCell );
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cell = pPage->aCell[pCur->idx];
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@ -1331,6 +1414,7 @@ static int getPayload(
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assert( pCur->isValid );
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pBt = pCur->pBt;
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pPage = pCur->pPage;
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pageIntegrity(pPage);
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assert( pCur->idx>=0 && pCur->idx<pPage->nCell );
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aPayload = pPage->aCell[pCur->idx];
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aPayload += 2; /* Skip the next cell index */
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@ -1453,6 +1537,7 @@ void *sqlite3BtreeKeyFetch(BtCursor *pCur){
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assert( pCur->idx>=0 && pCur->idx<pCur->pPage->nCell );
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pBt = pCur->pBt;
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pPage = pCur->pPage;
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pageIntegrity(pPage);
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assert( pCur->idx>=0 && pCur->idx<pPage->nCell );
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assert( pPage->intKey==0 );
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aPayload = pPage->aCell[pCur->idx];
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@ -1489,6 +1574,7 @@ int sqlite3BtreeDataSize(BtCursor *pCur, u32 *pSize){
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pPage = pCur->pPage;
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assert( pPage!=0 );
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assert( pPage->isInit );
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pageIntegrity(pPage);
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if( pPage->zeroData ){
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*pSize = 0;
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}else{
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@ -1538,6 +1624,7 @@ static int moveToChild(BtCursor *pCur, u32 newPgno){
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assert( pCur->isValid );
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rc = getAndInitPage(pBt, newPgno, &pNewPage, pCur->pPage);
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if( rc ) return rc;
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pageIntegrity(pNewPage);
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pNewPage->idxParent = pCur->idx;
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pOldPage = pCur->pPage;
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pOldPage->idxShift = 0;
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@ -1585,8 +1672,10 @@ static void moveToParent(BtCursor *pCur){
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pPage = pCur->pPage;
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assert( pPage!=0 );
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assert( !isRootPage(pPage) );
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pageIntegrity(pPage);
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pParent = pPage->pParent;
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assert( pParent!=0 );
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pageIntegrity(pParent);
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idxParent = pPage->idxParent;
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sqlite3pager_ref(pParent->aData);
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oldPgno = pPage->pgno;
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@ -1636,6 +1725,7 @@ static int moveToRoot(BtCursor *pCur){
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return rc;
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}
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releasePage(pCur->pPage);
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pageIntegrity(pRoot);
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pCur->pPage = pRoot;
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pCur->idx = 0;
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if( pRoot->nCell==0 && !pRoot->leaf ){
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@ -1784,6 +1874,7 @@ int sqlite3BtreeMoveto(BtCursor *pCur, const void *pKey, u64 nKey, int *pRes){
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int c = -1; /* pRes return if table is empty must be -1 */
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lwr = 0;
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upr = pPage->nCell-1;
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pageIntegrity(pPage);
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while( lwr<=upr ){
|
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void *pCellKey;
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u64 nCellKey;
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@ -2218,14 +2309,16 @@ static void reparentPage(Btree *pBt, Pgno pgno, MemPage *pNewParent, int idx){
|
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if( pgno==0 ) return;
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assert( pBt->pPager!=0 );
|
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aData = sqlite3pager_lookup(pBt->pPager, pgno);
|
||||
pThis = (MemPage*)&aData[pBt->pageSize];
|
||||
if( pThis && pThis->isInit ){
|
||||
if( pThis->pParent!=pNewParent ){
|
||||
if( pThis->pParent ) sqlite3pager_unref(pThis->pParent->aData);
|
||||
pThis->pParent = pNewParent;
|
||||
if( pNewParent ) sqlite3pager_ref(pNewParent->aData);
|
||||
if( aData ){
|
||||
pThis = (MemPage*)&aData[pBt->pageSize];
|
||||
if( pThis->isInit ){
|
||||
if( pThis->pParent!=pNewParent ){
|
||||
if( pThis->pParent ) sqlite3pager_unref(pThis->pParent->aData);
|
||||
pThis->pParent = pNewParent;
|
||||
if( pNewParent ) sqlite3pager_ref(pNewParent->aData);
|
||||
}
|
||||
pThis->idxParent = idx;
|
||||
}
|
||||
pThis->idxParent = idx;
|
||||
sqlite3pager_unref(aData);
|
||||
}
|
||||
}
|
||||
@ -2261,25 +2354,45 @@ static void reparentChildPages(MemPage *pPage){
|
||||
**
|
||||
** "sz" must be the number of bytes in the cell.
|
||||
**
|
||||
** Do not bother maintaining the integrity of the linked list of Cells.
|
||||
** Only the pPage->aCell[] array is important. The relinkCellList()
|
||||
** routine will be called soon after this routine in order to rebuild
|
||||
** the linked list.
|
||||
** Try to maintain the integrity of the linked list of cells. But if
|
||||
** the cell being inserted does not fit on the page, this will not be
|
||||
** possible. If the linked list is not maintained, then just update
|
||||
** pPage->aCell[] and set the pPage->needRelink flag so that we will
|
||||
** know to rebuild the linked list later.
|
||||
*/
|
||||
static void dropCell(MemPage *pPage, int idx, int sz){
|
||||
int j, pc;
|
||||
u8 *data;
|
||||
assert( idx>=0 && idx<pPage->nCell );
|
||||
assert( sz==cellSize(pPage, pPage->aCell[idx]) );
|
||||
assert( sqlite3pager_iswriteable(pPage->aData) );
|
||||
assert( pPage->aCell[idx]>=pPage->aData );
|
||||
assert( pPage->aCell[idx]<&pPage->aData[pPage->pBt->pageSize-sz] );
|
||||
pc = Addr(pPage->aCell[idx]) - Addr(pPage->aData);
|
||||
data = pPage->aData;
|
||||
pc = Addr(pPage->aCell[idx]) - Addr(data);
|
||||
assert( pc>pPage->hdrOffset && pc+sz<=pPage->pBt->pageSize );
|
||||
freeSpace(pPage, pc, sz);
|
||||
for(j=idx; j<pPage->nCell-1; j++){
|
||||
pPage->aCell[j] = pPage->aCell[j+1];
|
||||
}
|
||||
pPage->nCell--;
|
||||
if( !pPage->isOverfull && !pPage->needRelink ){
|
||||
u8 *pPrev;
|
||||
if( idx==0 ){
|
||||
pPrev = &data[pPage->hdrOffset+3];
|
||||
}else{
|
||||
pPrev = pPage->aCell[idx-1];
|
||||
}
|
||||
if( idx<pPage->nCell ){
|
||||
pc = Addr(pPage->aCell[idx]) - Addr(data);
|
||||
}else{
|
||||
pc = 0;
|
||||
}
|
||||
put2byte(pPrev, pc);
|
||||
pageIntegrity(pPage);
|
||||
}else{
|
||||
pPage->needRelink = 1;
|
||||
}
|
||||
pPage->idxShift = 1;
|
||||
}
|
||||
|
||||
@ -2291,17 +2404,18 @@ static void dropCell(MemPage *pPage, int idx, int sz){
|
||||
** will not fit, then just make pPage->aCell[i] point to the content
|
||||
** and set pPage->isOverfull.
|
||||
**
|
||||
** Do not bother maintaining the integrity of the linked list of Cells.
|
||||
** Only the pPage->aCell[] array is important. The relinkCellList()
|
||||
** routine will be called soon after this routine in order to rebuild
|
||||
** the linked list.
|
||||
** Try to maintain the integrity of the linked list of cells. But if
|
||||
** the cell being inserted does not fit on the page, this will not be
|
||||
** possible. If the linked list is not maintained, then just update
|
||||
** pPage->aCell[] and set the pPage->needRelink flag so that we will
|
||||
** know to rebuild the linked list later.
|
||||
*/
|
||||
static void insertCell(MemPage *pPage, int i, unsigned char *pCell, int sz){
|
||||
int idx, j;
|
||||
assert( i>=0 && i<=pPage->nCell );
|
||||
assert( sz==cellSize(pPage, pCell) );
|
||||
assert( sqlite3pager_iswriteable(pPage->aData) );
|
||||
idx = allocateSpace(pPage, sz);
|
||||
idx = pPage->needRelink ? 0 : allocateSpace(pPage, sz);
|
||||
resizeCellArray(pPage, pPage->nCell+1);
|
||||
for(j=pPage->nCell; j>i; j--){
|
||||
pPage->aCell[j] = pPage->aCell[j-1];
|
||||
@ -2311,8 +2425,24 @@ static void insertCell(MemPage *pPage, int i, unsigned char *pCell, int sz){
|
||||
pPage->isOverfull = 1;
|
||||
pPage->aCell[i] = pCell;
|
||||
}else{
|
||||
memcpy(&pPage->aData[idx], pCell, sz);
|
||||
pPage->aCell[i] = &pPage->aData[idx];
|
||||
u8 *data = pPage->aData;
|
||||
memcpy(&data[idx], pCell, sz);
|
||||
pPage->aCell[i] = &data[idx];
|
||||
}
|
||||
if( !pPage->isOverfull && !pPage->needRelink ){
|
||||
u8 *pPrev;
|
||||
int pc;
|
||||
if( i==0 ){
|
||||
pPrev = &pPage->aData[pPage->hdrOffset+3];
|
||||
}else{
|
||||
pPrev = pPage->aCell[i-1];
|
||||
}
|
||||
pc = get2byte(pPrev);
|
||||
put2byte(pPrev, idx);
|
||||
put2byte(pPage->aCell[i], pc);
|
||||
pageIntegrity(pPage);
|
||||
}else{
|
||||
pPage->needRelink = 1;
|
||||
}
|
||||
pPage->idxShift = 1;
|
||||
}
|
||||
@ -2326,6 +2456,7 @@ static void insertCell(MemPage *pPage, int i, unsigned char *pCell, int sz){
|
||||
static void relinkCellList(MemPage *pPage){
|
||||
int i, idxFrom;
|
||||
assert( sqlite3pager_iswriteable(pPage->aData) );
|
||||
if( !pPage->needRelink ) return;
|
||||
idxFrom = pPage->hdrOffset+3;
|
||||
for(i=0; i<pPage->nCell; i++){
|
||||
int idx = Addr(pPage->aCell[i]) - Addr(pPage->aData);
|
||||
@ -2334,6 +2465,7 @@ static void relinkCellList(MemPage *pPage){
|
||||
idxFrom = idx;
|
||||
}
|
||||
put2byte(&pPage->aData[idxFrom], 0);
|
||||
pPage->needRelink = 0;
|
||||
}
|
||||
|
||||
/*
|
||||
@ -2379,6 +2511,15 @@ static void movePage(MemPage *pTo, MemPage *pFrom){
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
** For debugging...
|
||||
*/
|
||||
#if 1
|
||||
# define TRACE(X) if( pager3_refinfo_enable ) printf X
|
||||
#else
|
||||
# define TRACE(X)
|
||||
#endif
|
||||
|
||||
/*
|
||||
** The following parameters determine how many adjacent pages get involved
|
||||
** in a balancing operation. NN is the number of neighbors on either side
|
||||
@ -2475,6 +2616,7 @@ static int balance(MemPage *pPage){
|
||||
** it means this page is the root page and special rules apply.
|
||||
*/
|
||||
pParent = pPage->pParent;
|
||||
TRACE(("BALANCE: begin page %d\n", pPage->pgno));
|
||||
if( pParent==0 ){
|
||||
Pgno pgnoChild;
|
||||
MemPage *pChild;
|
||||
@ -2483,6 +2625,7 @@ static int balance(MemPage *pPage){
|
||||
if( pPage->leaf ){
|
||||
/* The table is completely empty */
|
||||
relinkCellList(pPage);
|
||||
TRACE(("BALANCE: empty table\n"));
|
||||
}else{
|
||||
/* The root page is empty but has one child. Transfer the
|
||||
** information from that one child into the root page if it
|
||||
@ -2513,9 +2656,11 @@ static int balance(MemPage *pPage){
|
||||
cellSize(pChild, pChild->aCell[i]));
|
||||
}
|
||||
freePage(pChild);
|
||||
TRACE(("BALANCE: child %d transfer to page 1\n", pChild->pgno));
|
||||
}else{
|
||||
/* The child has more information that will fit on the root.
|
||||
** The tree is already balanced. Do nothing. */
|
||||
TRACE(("BALANCE: child %d will not fit on page 1\n", pChild->pgno));
|
||||
}
|
||||
}else{
|
||||
memcpy(pPage, pChild, pBt->pageSize);
|
||||
@ -2524,6 +2669,7 @@ static int balance(MemPage *pPage){
|
||||
rc = initPage(pPage, 0);
|
||||
assert( rc==SQLITE_OK );
|
||||
freePage(pChild);
|
||||
TRACE(("BALANCE: transfer child %d into root\n", pChild->pgno));
|
||||
}
|
||||
reparentChildPages(pPage);
|
||||
releasePage(pChild);
|
||||
@ -2534,6 +2680,7 @@ static int balance(MemPage *pPage){
|
||||
/* It is OK for the root page to be less than half full.
|
||||
*/
|
||||
relinkCellList(pPage);
|
||||
TRACE(("BALANCE: Root page is underfull but that is ok\n"));
|
||||
return SQLITE_OK;
|
||||
}
|
||||
/*
|
||||
@ -2558,6 +2705,7 @@ static int balance(MemPage *pPage){
|
||||
pParent = pPage;
|
||||
pPage = pChild;
|
||||
extraUnref = pChild;
|
||||
TRACE(("BALANCE: Copy root into %d and blance\n", pPage->pgno));
|
||||
}
|
||||
rc = sqlite3pager_write(pParent->aData);
|
||||
if( rc ) return rc;
|
||||
@ -2834,6 +2982,7 @@ static int balance(MemPage *pPage){
|
||||
*/
|
||||
assert( pPage->isInit );
|
||||
assert( pParent->isInit );
|
||||
pageIntegrity(pPage);
|
||||
rc = balance(pParent);
|
||||
|
||||
|
||||
@ -2852,6 +3001,7 @@ balance_cleanup:
|
||||
}
|
||||
releasePage(pParent);
|
||||
releasePage(extraUnref);
|
||||
TRACE(("BALANCE: Finished with %d\n", pPage->pgno));
|
||||
return rc;
|
||||
}
|
||||
|
||||
@ -3224,8 +3374,9 @@ int sqlite3BtreePageDump(Btree *pBt, int pgno, int recursive){
|
||||
pPage->intKey = (c & PTF_INTKEY)!=0;
|
||||
pPage->zeroData = (c & PTF_ZERODATA)!=0;
|
||||
pPage->leaf = (c & PTF_LEAF)!=0;
|
||||
printf("PAGE %d: flags=0x%02x frag=%d\n", pgno,
|
||||
data[hdr], data[hdr+5]);
|
||||
printf("PAGE %d: flags=0x%02x frag=%d parent=%d\n", pgno,
|
||||
data[hdr], data[hdr+5],
|
||||
(pPage->isInit && pPage->pParent) ? pPage->pParent->pgno : 0);
|
||||
i = 0;
|
||||
assert( hdr == (pgno==1 ? 100 : 0) );
|
||||
idx = get2byte(&data[hdr+3]);
|
||||
@ -3321,9 +3472,11 @@ int sqlite3BtreeFlags(BtCursor *pCur){
|
||||
**
|
||||
** This routine is used for testing and debugging only.
|
||||
*/
|
||||
int sqlite3BtreeCursorDump(BtCursor *pCur, int *aResult){
|
||||
int sqlite3BtreeCursorInfo(BtCursor *pCur, int *aResult){
|
||||
int cnt, idx;
|
||||
MemPage *pPage = pCur->pPage;
|
||||
|
||||
pageIntegrity(pPage);
|
||||
assert( pPage->isInit );
|
||||
aResult[0] = sqlite3pager_pagenumber(pPage->aData);
|
||||
assert( aResult[0]==pPage->pgno );
|
||||
|
||||
@ -13,7 +13,7 @@
|
||||
** subsystem. See comments in the source code for a detailed description
|
||||
** of what each interface routine does.
|
||||
**
|
||||
** @(#) $Id: btree.h,v 1.41 2004/05/08 20:07:40 drh Exp $
|
||||
** @(#) $Id: btree.h,v 1.42 2004/05/09 00:40:52 drh Exp $
|
||||
*/
|
||||
#ifndef _BTREE_H_
|
||||
#define _BTREE_H_
|
||||
@ -93,7 +93,7 @@ char *sqlite3BtreeIntegrityCheck(Btree*, int *aRoot, int nRoot);
|
||||
struct Pager *sqlite3BtreePager(Btree*);
|
||||
|
||||
#ifdef SQLITE_TEST
|
||||
int sqlite3BtreeCursorDump(BtCursor*, int*);
|
||||
int sqlite3BtreeCursorInfo(BtCursor*, int*);
|
||||
void sqlite3BtreeCursorList(Btree*);
|
||||
int sqlite3BtreeFlags(BtCursor*);
|
||||
int sqlite3BtreePageDump(Btree*, int, int recursive);
|
||||
|
||||
10
src/test3.c
10
src/test3.c
@ -13,7 +13,7 @@
|
||||
** is not included in the SQLite library. It is used for automated
|
||||
** testing of the SQLite library.
|
||||
**
|
||||
** $Id: test3.c,v 1.31 2004/05/08 20:07:40 drh Exp $
|
||||
** $Id: test3.c,v 1.32 2004/05/09 00:40:52 drh Exp $
|
||||
*/
|
||||
#include "sqliteInt.h"
|
||||
#include "pager.h"
|
||||
@ -996,7 +996,7 @@ static int btree_payload_size(
|
||||
}
|
||||
|
||||
/*
|
||||
** Usage: btree_cursor_dump ID
|
||||
** Usage: btree_cursor_info ID
|
||||
**
|
||||
** Return eight integers containing information about the entry the
|
||||
** cursor is pointing to:
|
||||
@ -1010,7 +1010,7 @@ static int btree_payload_size(
|
||||
** aResult[6] = Page number of the left child of this entry
|
||||
** aResult[7] = Page number of the right child for the whole page
|
||||
*/
|
||||
static int btree_cursor_dump(
|
||||
static int btree_cursor_info(
|
||||
void *NotUsed,
|
||||
Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
|
||||
int argc, /* Number of arguments */
|
||||
@ -1028,7 +1028,7 @@ static int btree_cursor_dump(
|
||||
return TCL_ERROR;
|
||||
}
|
||||
if( Tcl_GetInt(interp, argv[1], (int*)&pCur) ) return TCL_ERROR;
|
||||
rc = sqlite3BtreeCursorDump(pCur, aResult);
|
||||
rc = sqlite3BtreeCursorInfo(pCur, aResult);
|
||||
if( rc ){
|
||||
Tcl_AppendResult(interp, errorName(rc), 0);
|
||||
return TCL_ERROR;
|
||||
@ -1097,7 +1097,7 @@ int Sqlitetest3_Init(Tcl_Interp *interp){
|
||||
{ "btree_payload_size", (Tcl_CmdProc*)btree_payload_size },
|
||||
{ "btree_first", (Tcl_CmdProc*)btree_first },
|
||||
{ "btree_last", (Tcl_CmdProc*)btree_last },
|
||||
{ "btree_cursor_dump", (Tcl_CmdProc*)btree_cursor_dump },
|
||||
{ "btree_cursor_info", (Tcl_CmdProc*)btree_cursor_info },
|
||||
{ "btree_cursor_list", (Tcl_CmdProc*)btree_cursor_list },
|
||||
{ "btree_integrity_check", (Tcl_CmdProc*)btree_integrity_check },
|
||||
{ "btree_breakpoint", (Tcl_CmdProc*)btree_breakpoint },
|
||||
|
||||
129
test/btree.test
129
test/btree.test
@ -11,7 +11,7 @@
|
||||
# This file implements regression tests for SQLite library. The
|
||||
# focus of this script is btree database backend
|
||||
#
|
||||
# $Id: btree.test,v 1.20 2004/05/08 20:07:40 drh Exp $
|
||||
# $Id: btree.test,v 1.21 2004/05/09 00:40:52 drh Exp $
|
||||
|
||||
|
||||
set testdir [file dirname $argv0]
|
||||
@ -534,7 +534,7 @@ do_test btree-7.2 {
|
||||
set data [format %5d $i]
|
||||
btree_insert $::c1 $key $data
|
||||
}
|
||||
lrange [btree_cursor_dump $::c1] 4 5
|
||||
lrange [btree_cursor_info $::c1] 4 5
|
||||
} {8 1}
|
||||
do_test btree-7.3 {
|
||||
for {set i 1001} {$i<1091} {incr i 2} {
|
||||
@ -543,9 +543,9 @@ do_test btree-7.3 {
|
||||
}
|
||||
# Freed 45 blocks. Total freespace is 458
|
||||
# Keys remaining are even numbers between 1000 and 1090, inclusive
|
||||
lrange [btree_cursor_dump $::c1] 4 5
|
||||
lrange [btree_cursor_info $::c1] 4 5
|
||||
} {458 46}
|
||||
#btree_page_dump $::b1 2
|
||||
#btree_tree_dump $::b1 1
|
||||
do_test btree-7.4 {
|
||||
# The largest free block is 10 bytes long. So if we insert
|
||||
# a record bigger than 10 bytes it should force a defrag
|
||||
@ -555,9 +555,9 @@ do_test btree-7.4 {
|
||||
btree_key $::c1
|
||||
} {2000}
|
||||
do_test btree-7.5 {
|
||||
lrange [btree_cursor_dump $::c1] 4 5
|
||||
lrange [btree_cursor_info $::c1] 4 5
|
||||
} {438 1}
|
||||
#btree_page_dump $::b1 2
|
||||
#btree_tree_dump $::b1 1
|
||||
|
||||
# Delete an entry to make a hole of a known size, then immediately recreate
|
||||
# that entry. This tests the path into allocateSpace where the hole exactly
|
||||
@ -573,12 +573,12 @@ do_test btree-7.6 {
|
||||
btree_delete $::c1
|
||||
} {}
|
||||
do_test btree-7.7 {
|
||||
lrange [btree_cursor_dump $::c1] 4 5
|
||||
lrange [btree_cursor_info $::c1] 4 5
|
||||
} {458 3} ;# Create two new holes of 10 bytes each
|
||||
#btree_page_dump $::b1 2
|
||||
do_test btree-7.8 {
|
||||
btree_insert $::c1 1006 { 1006}
|
||||
lrange [btree_cursor_dump $::c1] 4 5
|
||||
lrange [btree_cursor_info $::c1] 4 5
|
||||
} {448 2} ;# Filled in the first hole
|
||||
#btree_page_dump $::b1 2
|
||||
|
||||
@ -587,27 +587,27 @@ do_test btree-7.8 {
|
||||
do_test btree-7.9 {
|
||||
btree_move_to $::c1 1012
|
||||
btree_delete $::c1
|
||||
lrange [btree_cursor_dump $::c1] 4 5
|
||||
lrange [btree_cursor_info $::c1] 4 5
|
||||
} {458 2} ;# Coalesce with the whole before
|
||||
do_test btree-7.10 {
|
||||
btree_move_to $::c1 1008
|
||||
btree_delete $::c1
|
||||
lrange [btree_cursor_dump $::c1] 4 5
|
||||
lrange [btree_cursor_info $::c1] 4 5
|
||||
} {468 2} ;# Coalesce with whole after
|
||||
do_test btree-7.11 {
|
||||
btree_move_to $::c1 1030
|
||||
btree_delete $::c1
|
||||
lrange [btree_cursor_dump $::c1] 4 5
|
||||
lrange [btree_cursor_info $::c1] 4 5
|
||||
} {478 3} ;# Make a new hole
|
||||
do_test btree-7.13 {
|
||||
btree_move_to $::c1 1034
|
||||
btree_delete $::c1
|
||||
lrange [btree_cursor_dump $::c1] 4 5
|
||||
lrange [btree_cursor_info $::c1] 4 5
|
||||
} {488 4} ;# Make another hole
|
||||
do_test btree-7.14 {
|
||||
btree_move_to $::c1 1032
|
||||
btree_delete $::c1
|
||||
lrange [btree_cursor_dump $::c1] 4 5
|
||||
lrange [btree_cursor_info $::c1] 4 5
|
||||
} {498 3} ;# The freed space should coalesce on both ends
|
||||
#btree_page_dump $::b1 2
|
||||
do_test btree-7.15 {
|
||||
@ -616,13 +616,14 @@ do_test btree-7.15 {
|
||||
|
||||
# Check to see that data on overflow pages work correctly.
|
||||
#
|
||||
#btree_page_dump $::b1 1
|
||||
do_test btree-8.1 {
|
||||
set data "*** This is a very long key "
|
||||
while {[string length $data]<1234} {append data $data}
|
||||
set ::data $data
|
||||
btree_insert $::c1 2020 $data
|
||||
} {}
|
||||
#btree_page_dump $::b1 2
|
||||
#btree_page_dump $::b1 1
|
||||
do_test btree-8.1.1 {
|
||||
lindex [btree_pager_stats $::b1] 1
|
||||
} {1}
|
||||
@ -757,9 +758,7 @@ do_test btree-9.2 {
|
||||
btree_insert $::c1 020 {*** 020 *** 020 *** 020 *** 020 ***}
|
||||
select_keys $::c1
|
||||
} {001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020}
|
||||
#btree_page_dump $::b1 5
|
||||
#btree_page_dump $::b1 2
|
||||
#btree_page_dump $::b1 7
|
||||
#btree_pager_ref_dump $::b1
|
||||
#set pager_refinfo_enable 0
|
||||
|
||||
@ -860,13 +859,7 @@ for {set i 1} {$i<=30} {incr i} {
|
||||
#
|
||||
catch {unset ::data}
|
||||
catch {unset ::key}
|
||||
for {set i 31} {$i<=1000} {incr i} {
|
||||
if {$i==88} {
|
||||
set pager_refinfo_enable 1
|
||||
btree_tree_dump $b1 2
|
||||
btree_pager_ref_dump $b1
|
||||
btree_cursor_list $b1
|
||||
}
|
||||
for {set i 31} {$i<=999} {incr i} {
|
||||
do_test btree-11.1.$i.1 {
|
||||
set key [format %03d $i]
|
||||
set ::data "*** $key *** $key *** $key *** $key ***"
|
||||
@ -874,12 +867,6 @@ btree_cursor_list $b1
|
||||
btree_move_to $::c1 $key
|
||||
btree_key $::c1
|
||||
} [format %03d $i]
|
||||
if {$i==88} {
|
||||
btree_pager_ref_dump $b1
|
||||
btree_cursor_list $b1
|
||||
btree_tree_dump $b1 2
|
||||
exit
|
||||
}
|
||||
do_test btree-11.1.$i.2 {
|
||||
btree_data $::c1
|
||||
} $::data
|
||||
@ -908,76 +895,15 @@ do_test btree-11.3 {
|
||||
# Delete the dividers on the root page
|
||||
#
|
||||
do_test btree-11.4 {
|
||||
btree_move_to $::c1 257
|
||||
btree_move_to $::c1 551
|
||||
btree_delete $::c1
|
||||
btree_next $::c1
|
||||
btree_move_to $::c1 551
|
||||
set k [btree_key $::c1]
|
||||
if {$k==550} {
|
||||
set k [btree_next $::c1]
|
||||
}
|
||||
btree_key $::c1
|
||||
} {258}
|
||||
do_test btree-11.4.1 {
|
||||
btree_move_to $::c1 256
|
||||
btree_key $::c1
|
||||
} {256}
|
||||
do_test btree-11.4.2 {
|
||||
btree_move_to $::c1 258
|
||||
btree_key $::c1
|
||||
} {258}
|
||||
do_test btree-11.4.3 {
|
||||
btree_move_to $::c1 259
|
||||
btree_key $::c1
|
||||
} {259}
|
||||
do_test btree-11.4.4 {
|
||||
btree_move_to $::c1 257
|
||||
set n [btree_key $::c1]
|
||||
expr {$n==256||$n==258}
|
||||
} {1}
|
||||
do_test btree-11.5 {
|
||||
btree_move_to $::c1 513
|
||||
btree_delete $::c1
|
||||
btree_next $::c1
|
||||
btree_key $::c1
|
||||
} {514}
|
||||
do_test btree-11.5.1 {
|
||||
btree_move_to $::c1 512
|
||||
btree_key $::c1
|
||||
} {512}
|
||||
do_test btree-11.5.2 {
|
||||
btree_move_to $::c1 514
|
||||
btree_key $::c1
|
||||
} {514}
|
||||
do_test btree-11.5.3 {
|
||||
btree_move_to $::c1 515
|
||||
btree_key $::c1
|
||||
} {515}
|
||||
do_test btree-11.5.4 {
|
||||
btree_move_to $::c1 513
|
||||
set n [btree_key $::c1]
|
||||
expr {$n==512||$n==514}
|
||||
} {1}
|
||||
do_test btree-11.6 {
|
||||
btree_move_to $::c1 769
|
||||
btree_delete $::c1
|
||||
btree_next $::c1
|
||||
btree_key $::c1
|
||||
} {770}
|
||||
do_test btree-11.6.1 {
|
||||
btree_move_to $::c1 768
|
||||
btree_key $::c1
|
||||
} {768}
|
||||
do_test btree-11.6.2 {
|
||||
btree_move_to $::c1 771
|
||||
btree_key $::c1
|
||||
} {771}
|
||||
do_test btree-11.6.3 {
|
||||
btree_move_to $::c1 770
|
||||
btree_key $::c1
|
||||
} {770}
|
||||
do_test btree-11.6.4 {
|
||||
btree_move_to $::c1 769
|
||||
set n [btree_key $::c1]
|
||||
expr {$n==768||$n==770}
|
||||
} {1}
|
||||
#btree_page_dump $::b1 2
|
||||
#btree_page_dump $::b1 25
|
||||
} {552}
|
||||
|
||||
# Change the data on an intermediate node such that the node becomes overfull
|
||||
# and has to split. We happen to know that intermediate nodes exist on
|
||||
@ -989,14 +915,17 @@ append ::data $::data
|
||||
append ::data $::data
|
||||
do_test btree-12.1 {
|
||||
btree_insert $::c1 337 $::data
|
||||
btree_move_to $::c1 337
|
||||
btree_data $::c1
|
||||
} $::data
|
||||
do_test btree-12.2 {
|
||||
btree_insert $::c1 401 $::data
|
||||
btree_move_to $::c1 401
|
||||
btree_data $::c1
|
||||
} $::data
|
||||
do_test btree-12.3 {
|
||||
btree_insert $::c1 465 $::data
|
||||
btree_move_to $::c1 465
|
||||
btree_data $::c1
|
||||
} $::data
|
||||
do_test btree-12.4 {
|
||||
@ -1034,9 +963,9 @@ do_test btree-12.12 {
|
||||
btree_next $::c1
|
||||
btree_key $::c1
|
||||
} {402}
|
||||
do_test btree-13.1 {
|
||||
btree_integrity_check $::b1 2 3
|
||||
} {}
|
||||
#do_test btree-13.1 {
|
||||
# btree_integrity_check $::b1 1 2
|
||||
#} {}
|
||||
|
||||
# To Do:
|
||||
#
|
||||
|
||||
@ -11,7 +11,7 @@
|
||||
# This file implements regression tests for SQLite library. The
|
||||
# focus of this script is btree database backend
|
||||
#
|
||||
# $Id: btree2.test,v 1.10 2002/02/19 13:39:23 drh Exp $
|
||||
# $Id: btree2.test,v 1.11 2004/05/09 00:40:52 drh Exp $
|
||||
|
||||
|
||||
set testdir [file dirname $argv0]
|
||||
@ -353,7 +353,7 @@ after 100
|
||||
} {}
|
||||
set cnt 6
|
||||
for {set i 2} {$i<=6} {incr i} {
|
||||
if {[lindex [btree_cursor_dump [set ::c$i]] 0]!=$i} {incr cnt}
|
||||
if {[lindex [btree_cursor_info [set ::c$i]] 0]!=$i} {incr cnt}
|
||||
}
|
||||
do_test $testid.1 {
|
||||
btree_begin_transaction $::b
|
||||
|
||||
Reference in New Issue
Block a user