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| Comment: | Fix a potential NULL pointer dereference on a RENAME TABLE that references a VIEW with a logic error in a window function in the ORDER BY clause. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
0adb273f7e7671efb0e0a1619887e369 |
| User & Date: | drh 2019-11-16 11:33:39 |
|
2019-11-16
| ||
| 12:04 | Do not allow shadow tables to be dropped in defensive mode. (check-in: 70390bbc user: drh tags: trunk) | |
| 11:33 | Fix a potential NULL pointer dereference on a RENAME TABLE that references a VIEW with a logic error in a window function in the ORDER BY clause. (check-in: 0adb273f user: drh tags: trunk) | |
|
2019-11-15
| ||
| 21:16 | Modify three test cases so that they work even with unusual versions of the library printf(). (check-in: 8f4a3750 user: drh tags: trunk) | |
Changes to src/window.c.
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/*
** Possibly link window pWin into the list at pSel->pWin (window functions
** to be processed as part of SELECT statement pSel). The window is linked
** in if either (a) there are no other windows already linked to this
** SELECT, or (b) the windows already linked use a compatible window frame.
*/
void sqlite3WindowLink(Select *pSel, Window *pWin){
if( 0==pSel->pWin
|| 0==sqlite3WindowCompare(0, pSel->pWin, pWin, 0)
){
pWin->pNextWin = pSel->pWin;
if( pSel->pWin ){
pSel->pWin->ppThis = &pWin->pNextWin;
}
pSel->pWin = pWin;
pWin->ppThis = &pSel->pWin;
|
| | |
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/*
** Possibly link window pWin into the list at pSel->pWin (window functions
** to be processed as part of SELECT statement pSel). The window is linked
** in if either (a) there are no other windows already linked to this
** SELECT, or (b) the windows already linked use a compatible window frame.
*/
void sqlite3WindowLink(Select *pSel, Window *pWin){
if( pSel!=0
&& (0==pSel->pWin || 0==sqlite3WindowCompare(0, pSel->pWin, pWin, 0))
){
pWin->pNextWin = pSel->pWin;
if( pSel->pWin ){
pSel->pWin->ppThis = &pWin->pNextWin;
}
pSel->pWin = pWin;
pWin->ppThis = &pSel->pWin;
|
Changes to test/window1.test.
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FROM t3
)
FROM (
SELECT * FROM t2
);
} {1 {frame ending offset must be a non-negative integer}}
finish_test
|
> > > > > > > > > |
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FROM t3
)
FROM (
SELECT * FROM t2
);
} {1 {frame ending offset must be a non-negative integer}}
# 2019-11-16 chromium issue 1025467
db close
sqlite3 db :memory:
do_catchsql_test 32.10 {
CREATE VIEW a AS SELECT NULL INTERSECT SELECT NULL ORDER BY s() OVER R;
CREATE TABLE a0 AS SELECT 0;
ALTER TABLE a0 RENAME TO S;
} {1 {error in view a: 1st ORDER BY term does not match any column in the result set}}
finish_test
|