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Overview
| Comment: | Fix some broken asserts in btree.c and vdbeaux.c that may fail following an OOM error. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | threads |
| Files: | files | file ages | folders |
| SHA1: |
e15f47064bef431c0afd8bf93eb4e160 |
| User & Date: | dan 2014-05-02 17:12:41 |
Context
|
2014-05-02
| ||
| 18:05 | Merge orderby-planning with this branch. check-in: d9549de3 user: dan tags: threads | |
| 17:12 | Fix some broken asserts in btree.c and vdbeaux.c that may fail following an OOM error. check-in: e15f4706 user: dan tags: threads | |
| 16:03 | Remove a faulty assert() from vdbesort.c. check-in: d95d68aa user: dan tags: threads | |
Changes
Changes to src/btree.c.
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goto moveto_finish;
}
c = xRecordCompare(nCell, pCellKey, pIdxKey, 0);
sqlite3_free(pCellKey);
}
assert(
(pIdxKey->errCode!=SQLITE_CORRUPT || c==0)
&& (pIdxKey->errCode!=SQLITE_NOMEM || !pCur->pBtree->db->mallocFailed)
);
if( c<0 ){
lwr = idx+1;
}else if( c>0 ){
upr = idx-1;
}else{
assert( c==0 );
|
| |
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goto moveto_finish;
}
c = xRecordCompare(nCell, pCellKey, pIdxKey, 0);
sqlite3_free(pCellKey);
}
assert(
(pIdxKey->errCode!=SQLITE_CORRUPT || c==0)
&& (pIdxKey->errCode!=SQLITE_NOMEM || pCur->pBtree->db->mallocFailed)
);
if( c<0 ){
lwr = idx+1;
}else if( c>0 ){
upr = idx-1;
}else{
assert( c==0 );
|
Changes to src/vdbeaux.c.
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** the following assert(). If the assert() fails, it indicates a
** memory leak and a need to call sqlite3VdbeMemRelease(&mem1). */
assert( mem1.zMalloc==0 );
/* rc==0 here means that one or both of the keys ran out of fields and
** all the fields up to that point were equal. Return the the default_rc
** value. */
assert( CORRUPT_DB
|| pPKey2->default_rc==vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)
);
return pPKey2->default_rc;
}
/*
** This function is an optimized version of sqlite3VdbeRecordCompare()
** that (a) the first field of pPKey2 is an integer, and (b) the
................................................................................
res = sqlite3VdbeRecordCompare(nKey1, pKey1, pPKey2, 1);
}else{
/* The first fields of the two keys are equal and there are no trailing
** fields. Return pPKey2->default_rc in this case. */
res = pPKey2->default_rc;
}
assert( (res==0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)==0)
|| (res<0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)<0)
|| (res>0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)>0)
|| CORRUPT_DB
);
return res;
}
/*
** This function is an optimized version of sqlite3VdbeRecordCompare()
** that (a) the first field of pPKey2 is a string, that (b) the first field
................................................................................
}else if( res>0 ){
res = pPKey2->r2;
}else{
res = pPKey2->r1;
}
}
assert( (res==0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)==0)
|| (res<0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)<0)
|| (res>0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)>0)
|| CORRUPT_DB
);
return res;
}
/*
** Return a pointer to an sqlite3VdbeRecordCompare() compatible function
** suitable for comparing serialized records to the unpacked record passed
|
| > > | | > | | |
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** the following assert(). If the assert() fails, it indicates a ** memory leak and a need to call sqlite3VdbeMemRelease(&mem1). */ assert( mem1.zMalloc==0 ); /* rc==0 here means that one or both of the keys ran out of fields and ** all the fields up to that point were equal. Return the the default_rc ** value. */ assert( CORRUPT_DB || pKeyInfo->db==0 || pPKey2->default_rc==vdbeRecordCompareDebug(nKey1, pKey1, pPKey2) || pKeyInfo->db->mallocFailed ); return pPKey2->default_rc; } /* ** This function is an optimized version of sqlite3VdbeRecordCompare() ** that (a) the first field of pPKey2 is an integer, and (b) the ................................................................................ res = sqlite3VdbeRecordCompare(nKey1, pKey1, pPKey2, 1); }else{ /* The first fields of the two keys are equal and there are no trailing ** fields. Return pPKey2->default_rc in this case. */ res = pPKey2->default_rc; } assert( pPKey2->pKeyInfo->db==0 || (res==0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)==0) || (res<0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)<0) || (res>0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)>0) || CORRUPT_DB || pPKey2->pKeyInfo->db->mallocFailed ); return res; } /* ** This function is an optimized version of sqlite3VdbeRecordCompare() ** that (a) the first field of pPKey2 is a string, that (b) the first field ................................................................................ }else if( res>0 ){ res = pPKey2->r2; }else{ res = pPKey2->r1; } } assert( pPKey2->pKeyInfo->db==0 || (res==0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)==0) || (res<0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)<0) || (res>0 && vdbeRecordCompareDebug(nKey1, pKey1, pPKey2)>0) || CORRUPT_DB || pPKey2->pKeyInfo->db->mallocFailed ); return res; } /* ** Return a pointer to an sqlite3VdbeRecordCompare() compatible function ** suitable for comparing serialized records to the unpacked record passed |
Changes to test/malloc.test.
897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 |
execsql {
SELECT * FROM t1 ORDER BY 1 COLLATE utf16bin;
}
} -test {
faultsim_test_result {0 {abcde fghij klmno pqrst uvwxy}}
faultsim_integrity_check
}
# Ensure that no file descriptors were leaked.
do_test malloc-99.X {
catch {db close}
set sqlite_open_file_count
} {0}
puts open-file-count=$sqlite_open_file_count
finish_test
|
> > > > > > > > > > > > > > > > > > > > |
897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 |
execsql {
SELECT * FROM t1 ORDER BY 1 COLLATE utf16bin;
}
} -test {
faultsim_test_result {0 {abcde fghij klmno pqrst uvwxy}}
faultsim_integrity_check
}
reset_db
add_test_utf16bin_collate db
set big [string repeat x 200]
do_execsql_test 41.1 {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a COLLATE utf16bin);
INSERT INTO t1 VALUES('fghij' || $::big);
INSERT INTO t1 VALUES('pqrst' || $::big);
INSERT INTO t1 VALUES('abcde' || $::big);
INSERT INTO t1 VALUES('uvwxy' || $::big);
INSERT INTO t1 VALUES('klmno' || $::big);
CREATE INDEX i1 ON t1(a);
}
do_faultsim_test 41.2 -faults oom* -body {
execsql { SELECT * FROM t1 WHERE a = ('abcde' || $::big)}
} -test {
faultsim_test_result [list 0 "abcde$::big"]
faultsim_integrity_check
}
# Ensure that no file descriptors were leaked.
do_test malloc-99.X {
catch {db close}
set sqlite_open_file_count
} {0}
puts open-file-count=$sqlite_open_file_count
finish_test
|