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More bug fixes in btree.c. (CVS 1323)
FossilOrigin-Name: 2d64cba38c0f5fffa18cb30c4c448278837de49d
This commit is contained in:
drh
16
manifest
16
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@@ -1,5 +1,5 @@
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C More\sbug\sfixes\sin\sbtree.c.\s(CVS\s1322)
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D 2004-05-07T23:50:57
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C More\sbug\sfixes\sin\sbtree.c.\s(CVS\s1323)
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D 2004-05-08T02:03:23
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F Makefile.in ab7b0d5118e2da97bac66be8684a1034e3500f5a
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F Makefile.linux-gcc b86a99c493a5bfb402d1d9178dcdc4bd4b32f906
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F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd
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@@ -23,7 +23,7 @@ F sqlite.def fc4f5734786fe4743cfe2aa98eb2da4b089edb5f
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F sqlite.pc.in 30552343140c53304c2a658c080fbe810cd09ca2
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F src/attach.c b01db0d3211f673d8e670abf7eaad04591d40d14
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F src/auth.c 4fa3b05bd19445d1c474d6751c4a508d6ea0abe1
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F src/btree.c a5fafa6179c80ca422fea96b4553525648f5535e
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F src/btree.c 1ab8767ab7b2e591b632a6e28e10af97941f4f76
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F src/btree.h ba5d3bfadc3f46f86df525ac07274dc497af856a
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F src/btree_rb.c 99feb3ff835106d018a483a1ce403e5cf9c718bc
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F src/build.c 76fbca30081decd6615dee34b48c927ed5063752
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@@ -54,7 +54,7 @@ F src/table.c d845cb101b5afc1f7fea083c99e3d2fa7998d895
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F src/tclsqlite.c 9fe6fc0c20820e9411dfea407635de9b9d3ae0e3
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F src/test1.c 9aa62b89d420e6763b5e7ae89a47f6cf87370477
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F src/test2.c 9d611c45e1b07039a2bd95f5ea73178362b23229
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F src/test3.c cec7eee9e64f95a3d2e4a3c242e081f560f98cf8
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F src/test3.c f0539fb9e605f5b3f8fb71e0c897931b8cff8aa3
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F src/test4.c 6e3e31acfaf21d66420fc35fda5b17dc0000cc8d
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F src/test5.c 3ff0565057b8d23e20092d5c6c0b7cb0d932c51e
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F src/tokenize.c 6676b946fd8825b67ab52140af4fdc57a70bda48
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@@ -75,7 +75,7 @@ F test/auth.test 5c4d95cdaf539c0c236e20ce1f71a93e7dde9185
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F test/bigfile.test ea904b853ce2d703b16c5ce90e2b54951bc1ae81
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F test/bigrow.test 8ab252dba108f12ad64e337b0f2ff31a807ac578
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F test/bind.test 56a57043b42c4664ca705f6050e56717a8a6699a
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F test/btree.test c8a548edf00f46ceb5b9db8bd5c250e95b744c48
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F test/btree.test 54caf3f97934711dac9a47ac4119b033dd4caffa
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F test/btree2.test e3b81ec33dc2f89b3e6087436dfe605b870c9080
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F test/btree3.test e597fb59be2ac0ea69c62aaa2064e998e528b665
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F test/btree3rb.test 127efcf5cdfcc352054e7db12622b01cdd8b36ac
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@@ -190,7 +190,7 @@ F www/sqlite.tcl 3c83b08cf9f18aa2d69453ff441a36c40e431604
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F www/tclsqlite.tcl b9271d44dcf147a93c98f8ecf28c927307abd6da
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F www/vdbe.tcl 9b9095d4495f37697fd1935d10e14c6015e80aa1
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F www/whentouse.tcl a8335bce47cc2fddb07f19052cb0cb4d9129a8e4
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P d394b2b217d4d728f9eba397262bf9d36195719e
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R 04bebd7ff9ebbf1a875d441cf21d682e
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P a80939ef714ec884950b4a1f4f809ffa37fdfa59
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R 779830de46b9f26aa95cf36a64b9d819
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U drh
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Z ae2d2cf62d0e5010d2f2e28dfebc946c
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Z a42ee28f0c51193d2a98927224408150
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@@ -1 +1 @@
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a80939ef714ec884950b4a1f4f809ffa37fdfa59
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2d64cba38c0f5fffa18cb30c4c448278837de49d
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20
src/btree.c
20
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 1.112 2004/05/07 23:50:57 drh Exp $
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** $Id: btree.c,v 1.113 2004/05/08 02:03:23 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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@@ -1451,7 +1451,7 @@ static int getPayload(
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if( a + offset > ovflSize ){
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a = ovflSize - offset;
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}
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memcpy(pBuf, &aPayload[offset], a);
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memcpy(pBuf, &aPayload[offset+4], a);
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offset = 0;
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amt -= a;
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pBuf += a;
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@@ -2067,11 +2067,14 @@ static int allocatePage(Btree *pBt, MemPage **ppPage, Pgno *pPgno, Pgno nearby){
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}
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put4byte(&aData[4], n-1);
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*pPgno = get4byte(&aData[8+closest*4]);
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memcpy(&aData[8+closest*4], &aData[4+closest*n], 4);
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if( closest<k-1 ){
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memcpy(&aData[8+closest*4], &aData[4+k*4], 4);
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}
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put4byte(&pTrunk->aData[4], k-1);
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rc = getPage(pBt, *pPgno, ppPage);
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releasePage(pTrunk);
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if( rc==SQLITE_OK ){
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sqlite3pager_dont_rollback(*ppPage);
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sqlite3pager_dont_rollback((*ppPage)->aData);
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rc = sqlite3pager_write((*ppPage)->aData);
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}
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}
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@@ -2195,6 +2198,7 @@ static int fillInCell(
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int nSrc, n, rc;
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int spaceLeft;
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MemPage *pOvfl = 0;
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MemPage *pToRelease = 0;
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unsigned char *pPrior;
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unsigned char *pPayload;
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Btree *pBt = pPage->pBt;
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@@ -2238,10 +2242,13 @@ static int fillInCell(
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if( spaceLeft==0 ){
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rc = allocatePage(pBt, &pOvfl, &pgnoOvfl, pgnoOvfl);
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if( rc ){
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releasePage(pToRelease);
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clearCell(pPage, pCell);
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return rc;
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}
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put4byte(pPrior, pgnoOvfl);
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releasePage(pToRelease);
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pToRelease = pOvfl;
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pPrior = pOvfl->aData;
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put4byte(pPrior, 0);
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pPayload = &pOvfl->aData[4];
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@@ -2253,16 +2260,15 @@ static int fillInCell(
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memcpy(pPayload, pSrc, n);
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nPayload -= n;
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pPayload += n;
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pSrc += n;
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nSrc -= n;
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spaceLeft -= n;
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if( nSrc==0 ){
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nSrc = nData;
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pSrc = pData;
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}
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if( pOvfl && (spaceLeft==0 || nPayload==0) ){
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releasePage(pOvfl);
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}
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}
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releasePage(pToRelease);
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return SQLITE_OK;
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}
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22
src/test3.c
22
src/test3.c
@@ -13,7 +13,7 @@
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** is not included in the SQLite library. It is used for automated
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** testing of the SQLite library.
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**
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** $Id: test3.c,v 1.28 2004/05/07 23:50:57 drh Exp $
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** $Id: test3.c,v 1.29 2004/05/08 02:03:23 drh Exp $
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*/
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#include "sqliteInt.h"
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#include "pager.h"
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@@ -1019,6 +1019,25 @@ static int btree_cursor_dump(
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return SQLITE_OK;
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}
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/*
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** The command is provided for the purpose of setting breakpoints.
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** in regression test scripts.
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**
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** By setting a GDB breakpoint on this procedure and executing the
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** btree_breakpoint command in a test script, we can stop GDB at
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** the point in the script where the btree_breakpoint command is
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** inserted. This is useful for debugging.
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*/
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static int btree_breakpoint(
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void *NotUsed,
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Tcl_Interp *interp, /* The TCL interpreter that invoked this command */
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int argc, /* Number of arguments */
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const char **argv /* Text of each argument */
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){
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return TCL_OK;
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}
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/*
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** Register commands with the TCL interpreter.
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*/
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@@ -1057,6 +1076,7 @@ int Sqlitetest3_Init(Tcl_Interp *interp){
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{ "btree_last", (Tcl_CmdProc*)btree_last },
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{ "btree_cursor_dump", (Tcl_CmdProc*)btree_cursor_dump },
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{ "btree_integrity_check", (Tcl_CmdProc*)btree_integrity_check },
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{ "btree_breakpoint", (Tcl_CmdProc*)btree_breakpoint },
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};
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int i;
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@@ -11,7 +11,7 @@
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# This file implements regression tests for SQLite library. The
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# focus of this script is btree database backend
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#
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# $Id: btree.test,v 1.17 2004/05/07 23:50:58 drh Exp $
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# $Id: btree.test,v 1.18 2004/05/08 02:03:23 drh Exp $
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set testdir [file dirname $argv0]
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@@ -643,11 +643,12 @@ do_test btree-8.4.1 {
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do_test btree-8.5 {
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set data "*** This is an even longer key "
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while {[string length $data]<2000} {append data $data}
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append data END
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set ::data $data
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btree_insert $::c1 2030 $data
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} {}
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do_test btree-8.6 {
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btree_move_to 2030
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btree_move_to $::c1 2030
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string length [btree_data $::c1]
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} [string length $::data]
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do_test btree-8.7 {
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@@ -671,7 +672,7 @@ do_test btree-8.10 {
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} {}
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do_test btree-8.11 {
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lindex [btree_get_meta $::b1] 0
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} {}
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} {4}
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# Now check out keys on overflow pages.
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#
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@@ -679,12 +680,13 @@ do_test btree-8.12 {
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set ::keyprefix "This is a long prefix to a key "
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while {[string length $::keyprefix]<256} {append ::keyprefix $::keyprefix}
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btree_close_cursor $::c1
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btree_drop_table $::b1 2
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btree_clear_table $::b1 2
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lindex [btree_get_meta $::b1] 0
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} {4}
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do_test btree-8.12.1 {
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set ::c1 [btree_cursor $::b1 2 1]
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btree_insert $::c1 ${::keyprefix}1 1
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btree_first $::c1
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btree_data $::c1
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} {1}
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do_test btree-8.13 {
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@@ -693,6 +695,7 @@ do_test btree-8.13 {
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do_test btree-8.14 {
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btree_insert $::c1 ${::keyprefix}2 2
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btree_insert $::c1 ${::keyprefix}3 3
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btree_last $::c1
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btree_key $::c1
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} ${keyprefix}3
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do_test btree-8.15 {
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@@ -732,7 +735,7 @@ do_test btree-8.23 {
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btree_drop_table $::b1 2
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set ::c1 [btree_cursor $::b1 2 1]
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lindex [btree_get_meta $::b1] 0
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} {4}
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} {5}
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do_test btree-8.24 {
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lindex [btree_pager_stats $::b1] 1
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} {2}
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@@ -778,7 +781,7 @@ for {set i 1} {$i<=20} {incr i} {
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}
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do_test btree-9.4.1 {
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lindex [btree_pager_stats $::b1] 1
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} {3}
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} {2}
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# Check the page joining logic.
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#
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@@ -816,7 +819,7 @@ do_test btree-9.7 {
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#
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do_test btree-10.1 {
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btree_begin_transaction $::b1
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btree_drop_table $::b1 2
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btree_clear_table $::b1 2
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lindex [btree_pager_stats $::b1] 1
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} {1}
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do_test btree-10.2 {
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