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Overview
| Comment: | Fix a problem with BT_SEEK_GE on the merge-tree when it contains partially merged deletes. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
0d9860b35b652ef8ba5f2b6da6fe86db |
| User & Date: | dan 2014-01-21 20:40:10.240 |
Context
|
2014-01-23
| ||
| 18:00 | Fix another bug in level merging. check-in: 24aea74e9f user: dan tags: trunk | |
|
2014-01-21
| ||
| 20:40 | Fix a problem with BT_SEEK_GE on the merge-tree when it contains partially merged deletes. check-in: 0d9860b35b user: dan tags: trunk | |
| 18:59 | Fix a problem preventing the database header from being written correctly. check-in: 7abccde8a3 user: dan tags: trunk | |
Changes
Changes to src/bt_main.c.
| ︙ | ︙ | |||
1811 1812 1813 1814 1815 1816 1817 |
if( rc==SQLITE4_NOTFOUND ){
/* No keys to visit in this level */
assert( pSub->mcsr.nPg==0 );
assert( pSub->csr.nPg==0 );
rc = SQLITE4_OK;
}else if( rc==SQLITE4_OK || rc==SQLITE4_INEXACT ){
| | > | > > > > > > > > > > > > > | | 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 |
if( rc==SQLITE4_NOTFOUND ){
/* No keys to visit in this level */
assert( pSub->mcsr.nPg==0 );
assert( pSub->csr.nPg==0 );
rc = SQLITE4_OK;
}else if( rc==SQLITE4_OK || rc==SQLITE4_INEXACT ){
const void *pV; int nV;
const void *pSeek = pK;
int nSeek = nK;
u32 iRoot;
sqlite4BtCsrData(&pM->base, 0, 4, &pV, &nV);
iRoot = sqlite4BtGetU32((const u8*)pV);
btCsrReset(&pSub->csr, 1);
btCsrSetup(db, iRoot, &pSub->csr);
if( eSeek==BT_SEEK_GE ){
const void *pMin; int nMin;
rc = btCsrKey(pM, &pMin, &nMin);
if( rc!=SQLITE4_OK ) break;
nMin -= 8;
pMin = (const void*)((const u8*)pMin + 8);
if( btKeyCompare(pSeek, nSeek, pMin, nMin)<0 ){
pSeek = pMin;
nSeek = nMin;
}
}
rc = btCsrSeek(&pSub->csr, 0, pSeek, nSeek, eSeek, BT_CSRSEEK_SEEK);
if( rc==SQLITE4_NOTFOUND ){
if( eSeek==BT_SEEK_LE ){
rc = fiSubCsrStep(pCsr, pSub, 0);
}else{
btCsrReset(pM, 0);
}
}else{
|
| ︙ | ︙ | |||
1900 1901 1902 1903 1904 1905 1906 |
const void *pV;
int nV;
int iRoot;
btCsrData(&pSub->mcsr, 0, 4, &pV, &nV);
iRoot = sqlite4BtGetU32((const u8*)pV);
btCsrReset(&pSub->csr, 1);
btCsrSetup(db, iRoot, &pSub->csr);
| > | > > > > > > > > > | 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 |
const void *pV;
int nV;
int iRoot;
btCsrData(&pSub->mcsr, 0, 4, &pV, &nV);
iRoot = sqlite4BtGetU32((const u8*)pV);
btCsrReset(&pSub->csr, 1);
btCsrSetup(db, iRoot, &pSub->csr);
if( bLast ){
rc = btCsrEnd(&pSub->csr, 1);
}else{
const void *pK; int nK;
rc = btCsrKey(&pSub->mcsr, &pK, &nK);
if( rc==SQLITE4_OK ){
rc = btCsrSeek(&pSub->csr, 0, ((u8*)pK)+8, nK-8, BT_SEEK_GE, 0);
if( rc==SQLITE4_INEXACT ) rc = SQLITE4_OK;
if( rc==SQLITE4_NOTFOUND ) rc = btErrorBkpt(SQLITE4_CORRUPT);
}
}
}else if( rc==SQLITE4_NOTFOUND ){
btCsrReset(&pSub->mcsr, 0);
rc = SQLITE4_OK;
}
}
fiLevelIterCleanup(&iter);
|
| ︙ | ︙ | |||
3908 3909 3910 3911 3912 3913 3914 | /* Save the value of the fast-insert flag. It will be restored before ** this function returns. Leaving it set here interferes with page ** allocation if the meta-tree needs to be extended. */ const int bFastInsertOp = db->bFastInsertOp; db->bFastInsertOp = 0; | | | 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 | /* Save the value of the fast-insert flag. It will be restored before ** this function returns. Leaving it set here interferes with page ** allocation if the meta-tree needs to be extended. */ const int bFastInsertOp = db->bFastInsertOp; db->bFastInsertOp = 0; #if 0 static int nCall = 0; nCall++; fprintf(stderr, "BEFORE %d\n", nCall); btPrintMetaTree(db->pPager, 1, pHdr); #endif assert_summary_ok(db, SQLITE4_OK); memset(&csr, 0, sizeof(csr)); |
| ︙ | ︙ | |||
4053 4054 4055 4056 4057 4058 4059 |
}
}
btCsrReset(&csr, 1);
btCsrReset(&mcsr, 1);
sqlite4_buffer_clear(&buf);
| | | 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 |
}
}
btCsrReset(&csr, 1);
btCsrReset(&mcsr, 1);
sqlite4_buffer_clear(&buf);
#if 0
if( rc==SQLITE4_OK ){
btPrintMetaTree(db->pPager, 1, pHdr);
}
#endif
assert_summary_ok(db, SQLITE4_OK);
db->bFastInsertOp = bFastInsertOp;
return rc;
|
| ︙ | ︙ |