In fts5 integrity checks, do not compare the contents of the index against an external content table unless specifically requested.

FossilOrigin-Name: 782163693f37aeb65209bebbaeb6659a36881b8c4b4bec778b366658488bf966
This commit is contained in:
dan 2020-09-21 14:53:21 +00:00
parent 9ca41fbfa9
commit 7548ab20e6
7 changed files with 124 additions and 82 deletions

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@ -484,7 +484,7 @@ int sqlite3Fts5IndexSetAverages(Fts5Index *p, const u8*, int);
/* /*
** Functions called by the storage module as part of integrity-check. ** Functions called by the storage module as part of integrity-check.
*/ */
int sqlite3Fts5IndexIntegrityCheck(Fts5Index*, u64 cksum); int sqlite3Fts5IndexIntegrityCheck(Fts5Index*, u64 cksum, int bUseCksum);
/* /*
** Called during virtual module initialization to register UDF ** Called during virtual module initialization to register UDF
@ -639,7 +639,7 @@ int sqlite3Fts5StorageDelete(Fts5Storage *p, i64, sqlite3_value**);
int sqlite3Fts5StorageContentInsert(Fts5Storage *p, sqlite3_value**, i64*); int sqlite3Fts5StorageContentInsert(Fts5Storage *p, sqlite3_value**, i64*);
int sqlite3Fts5StorageIndexInsert(Fts5Storage *p, sqlite3_value**, i64); int sqlite3Fts5StorageIndexInsert(Fts5Storage *p, sqlite3_value**, i64);
int sqlite3Fts5StorageIntegrity(Fts5Storage *p); int sqlite3Fts5StorageIntegrity(Fts5Storage *p, int iArg);
int sqlite3Fts5StorageStmt(Fts5Storage *p, int eStmt, sqlite3_stmt**, char**); int sqlite3Fts5StorageStmt(Fts5Storage *p, int eStmt, sqlite3_stmt**, char**);
void sqlite3Fts5StorageStmtRelease(Fts5Storage *p, int eStmt, sqlite3_stmt*); void sqlite3Fts5StorageStmtRelease(Fts5Storage *p, int eStmt, sqlite3_stmt*);

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@ -6062,7 +6062,7 @@ static void fts5IndexIntegrityCheckSegment(
** error, or some other SQLite error code if another error (e.g. OOM) ** error, or some other SQLite error code if another error (e.g. OOM)
** occurs. ** occurs.
*/ */
int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum){ int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum, int bUseCksum){
int eDetail = p->pConfig->eDetail; int eDetail = p->pConfig->eDetail;
u64 cksum2 = 0; /* Checksum based on contents of indexes */ u64 cksum2 = 0; /* Checksum based on contents of indexes */
Fts5Buffer poslist = {0,0,0}; /* Buffer used to hold a poslist */ Fts5Buffer poslist = {0,0,0}; /* Buffer used to hold a poslist */
@ -6133,7 +6133,7 @@ int sqlite3Fts5IndexIntegrityCheck(Fts5Index *p, u64 cksum){
fts5TestTerm(p, &term, 0, 0, cksum2, &cksum3); fts5TestTerm(p, &term, 0, 0, cksum2, &cksum3);
fts5MultiIterFree(pIter); fts5MultiIterFree(pIter);
if( p->rc==SQLITE_OK && cksum!=cksum2 ) p->rc = FTS5_CORRUPT; if( p->rc==SQLITE_OK && bUseCksum && cksum!=cksum2 ) p->rc = FTS5_CORRUPT;
fts5StructureRelease(pStruct); fts5StructureRelease(pStruct);
#ifdef SQLITE_DEBUG #ifdef SQLITE_DEBUG

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@ -1508,7 +1508,8 @@ static int fts5SpecialInsert(
int nMerge = sqlite3_value_int(pVal); int nMerge = sqlite3_value_int(pVal);
rc = sqlite3Fts5StorageMerge(pTab->pStorage, nMerge); rc = sqlite3Fts5StorageMerge(pTab->pStorage, nMerge);
}else if( 0==sqlite3_stricmp("integrity-check", zCmd) ){ }else if( 0==sqlite3_stricmp("integrity-check", zCmd) ){
rc = sqlite3Fts5StorageIntegrity(pTab->pStorage); int iArg = sqlite3_value_int(pVal);
rc = sqlite3Fts5StorageIntegrity(pTab->pStorage, iArg);
#ifdef SQLITE_DEBUG #ifdef SQLITE_DEBUG
}else if( 0==sqlite3_stricmp("prefix-index", zCmd) ){ }else if( 0==sqlite3_stricmp("prefix-index", zCmd) ){
pConfig->bPrefixIndex = sqlite3_value_int(pVal); pConfig->bPrefixIndex = sqlite3_value_int(pVal);

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@ -881,13 +881,14 @@ static int fts5StorageIntegrityCallback(
** some other SQLite error code if an error occurs while attempting to ** some other SQLite error code if an error occurs while attempting to
** determine this. ** determine this.
*/ */
int sqlite3Fts5StorageIntegrity(Fts5Storage *p){ int sqlite3Fts5StorageIntegrity(Fts5Storage *p, int iArg){
Fts5Config *pConfig = p->pConfig; Fts5Config *pConfig = p->pConfig;
int rc; /* Return code */ int rc = SQLITE_OK; /* Return code */
int *aColSize; /* Array of size pConfig->nCol */ int *aColSize; /* Array of size pConfig->nCol */
i64 *aTotalSize; /* Array of size pConfig->nCol */ i64 *aTotalSize; /* Array of size pConfig->nCol */
Fts5IntegrityCtx ctx; Fts5IntegrityCtx ctx;
sqlite3_stmt *pScan; sqlite3_stmt *pScan;
int bUseCksum;
memset(&ctx, 0, sizeof(Fts5IntegrityCtx)); memset(&ctx, 0, sizeof(Fts5IntegrityCtx));
ctx.pConfig = p->pConfig; ctx.pConfig = p->pConfig;
@ -896,6 +897,10 @@ int sqlite3Fts5StorageIntegrity(Fts5Storage *p){
aColSize = (int*)&aTotalSize[pConfig->nCol]; aColSize = (int*)&aTotalSize[pConfig->nCol];
memset(aTotalSize, 0, sizeof(i64) * pConfig->nCol); memset(aTotalSize, 0, sizeof(i64) * pConfig->nCol);
bUseCksum = (pConfig->eContent==FTS5_CONTENT_NORMAL
|| (pConfig->eContent==FTS5_CONTENT_EXTERNAL && iArg)
);
if( bUseCksum ){
/* Generate the expected index checksum based on the contents of the /* Generate the expected index checksum based on the contents of the
** %_content table. This block stores the checksum in ctx.cksum. */ ** %_content table. This block stores the checksum in ctx.cksum. */
rc = fts5StorageGetStmt(p, FTS5_STMT_SCAN, &pScan, 0); rc = fts5StorageGetStmt(p, FTS5_STMT_SCAN, &pScan, 0);
@ -967,12 +972,13 @@ int sqlite3Fts5StorageIntegrity(Fts5Storage *p){
rc = fts5StorageCount(p, "docsize", &nRow); rc = fts5StorageCount(p, "docsize", &nRow);
if( rc==SQLITE_OK && nRow!=p->nTotalRow ) rc = FTS5_CORRUPT; if( rc==SQLITE_OK && nRow!=p->nTotalRow ) rc = FTS5_CORRUPT;
} }
}
/* Pass the expected checksum down to the FTS index module. It will /* Pass the expected checksum down to the FTS index module. It will
** verify, amongst other things, that it matches the checksum generated by ** verify, amongst other things, that it matches the checksum generated by
** inspecting the index itself. */ ** inspecting the index itself. */
if( rc==SQLITE_OK ){ if( rc==SQLITE_OK ){
rc = sqlite3Fts5IndexIntegrityCheck(p->pIndex, ctx.cksum); rc = sqlite3Fts5IndexIntegrityCheck(p->pIndex, ctx.cksum, bUseCksum);
} }
sqlite3_free(aTotalSize); sqlite3_free(aTotalSize);

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@ -273,7 +273,6 @@ do_execsql_test 9.1.2 {
SELECT quote(x'37'); SELECT quote(x'37');
} {X'37'} } {X'37'}
breakpoint
do_execsql_test 9.2 { do_execsql_test 9.2 {
INSERT INTO vt0 VALUES (SUBSTR(x'37', 0)); INSERT INTO vt0 VALUES (SUBSTR(x'37', 0));
-- INSERT INTO vt0 VALUES (x'37'); -- INSERT INTO vt0 VALUES (x'37');
@ -282,4 +281,40 @@ do_execsql_test 9.3 {
INSERT INTO vt0(vt0) VALUES('integrity-check'); INSERT INTO vt0(vt0) VALUES('integrity-check');
} }
#-------------------------------------------------------------------------
reset_db
do_execsql_test 10.0 {
CREATE TABLE t1(i INTEGER PRIMARY KEY, a, b);
CREATE VIRTUAL TABLE vt0 USING fts5(a, b, content=t1);
INSERT INTO vt0(rowid, a, b) VALUES(1, 'abc', 'def');
}
do_catchsql_test 10.1 {
INSERT INTO vt0(vt0) VALUES('integrity-check');
} {0 {}}
do_catchsql_test 10.2 {
INSERT INTO vt0(vt0, rank) VALUES('integrity-check', 0);
} {0 {}}
do_catchsql_test 10.3 {
INSERT INTO vt0(vt0, rank) VALUES('integrity-check', 1);
} {1 {database disk image is malformed}}
do_catchsql_test 10.3 {
INSERT INTO t1 VALUES(1, 'abc', 'def');
INSERT INTO vt0(vt0, rank) VALUES('integrity-check', 1);
} {0 {}}
do_execsql_test 10.4 {
CREATE VIRTUAL TABLE vt1 USING fts5(a, b, content=);
INSERT INTO vt1(rowid, a, b) VALUES(1, 'abc', 'def');
}
do_catchsql_test 10.5.1 {
INSERT INTO vt0(vt0, rank) VALUES('integrity-check', 0);
} {0 {}}
do_catchsql_test 10.5.2 {
INSERT INTO vt0(vt0, rank) VALUES('integrity-check', 1);
} {0 {}}
do_catchsql_test 10.5.3 {
INSERT INTO vt0(vt0) VALUES('integrity-check');
} {0 {}}
finish_test finish_test

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@ -1,5 +1,5 @@
C Remove\sa\snew\sassert()\sthat\sthe\scompiler\sfinds\sis\salways\strue\sat\scompile-time,\nto\savoid\sa\scompiler\swarning. C In\sfts5\sintegrity\schecks,\sdo\snot\scompare\sthe\scontents\sof\sthe\sindex\sagainst\san\sexternal\scontent\stable\sunless\sspecifically\srequested.
D 2020-09-20T13:33:28.653 D 2020-09-21T14:53:21.394
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@ -112,15 +112,15 @@ F ext/fts3/unicode/mkunicode.tcl bf7fcaa6d68e6d38223467983785d054f1cff4d9e3905dd
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