Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | The fix at [2bf5413dc2c19d5f] was incomplete in that it failed to clear the reusable register cache that might contain registers in the STAT4 buffer region. This additional change corrects the problem. Forum post 83cb4a95a0. Test case in TH3. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
5d554e4d0f59a4309fed40e4fb26c7be |
| User & Date: | drh 2023-03-25 18:31:24 |
Context
|
2023-03-25
| ||
| 18:41 | Add the tag-20230325-1 comment that was omitted from the prior check-in. (check-in: a13c01d0 user: drh tags: trunk) | |
| 18:33 | The fix at [13c8c60bb6b4447b] was incomplete in that it failed to clear the reusable register cache that might contain registers in the STAT4 buffer region. This additional change corrects the problem. (check-in: 671bf6f5 user: drh tags: branch-3.41) | |
| 18:31 | The fix at [2bf5413dc2c19d5f] was incomplete in that it failed to clear the reusable register cache that might contain registers in the STAT4 buffer region. This additional change corrects the problem. Forum post 83cb4a95a0. Test case in TH3. (check-in: 5d554e4d user: drh tags: trunk) | |
| 12:27 | Even tighter bounds on the maximum length of the filename for sqlite3_load_extension(). (check-in: 78729141 user: drh tags: trunk) | |
Changes
Changes to src/analyze.c.
| ︙ | ︙ | |||
1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 |
}
if( nColX>mxCol ) mxCol = nColX;
}
/* Allocate space to compute results for the largest index */
pParse->nMem = MAX(pParse->nMem, regCol+mxCol);
doOnce = 0;
}
addrNext = sqlite3VdbeCurrentAddr(v);
callStatGet(pParse, regStat, STAT_GET_ROWID, regSampleRowid);
addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, regSampleRowid);
VdbeCoverage(v);
callStatGet(pParse, regStat, STAT_GET_NEQ, regEq);
| > > > > > > > > > > > > > > > | 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 |
}
if( nColX>mxCol ) mxCol = nColX;
}
/* Allocate space to compute results for the largest index */
pParse->nMem = MAX(pParse->nMem, regCol+mxCol);
doOnce = 0;
#ifdef SQLITE_DEBUG
/* Verify that setting pParse->nTempReg to zero below really
** is needed in some cases, in order to excise all temporary
** registers from the middle of the STAT4 buffer.
** https://sqlite.org/forum/forumpost/83cb4a95a0 (2023-03-25)
*/
if( pParse->nTempReg>0 ){
int kk;
for(kk=0; kk<pParse->nTempReg; kk++){
int regT = pParse->aTempReg[kk];
testcase( regT>=regCol && regT<regCol+mxCol );
}
}
#endif
pParse->nTempReg = 0;
}
addrNext = sqlite3VdbeCurrentAddr(v);
callStatGet(pParse, regStat, STAT_GET_ROWID, regSampleRowid);
addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, regSampleRowid);
VdbeCoverage(v);
callStatGet(pParse, regStat, STAT_GET_NEQ, regEq);
|
| ︙ | ︙ |