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Overview
| Comment: | Fix a problem in sqlite3ExprCompare() associated with UPSERT. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: | 67d0b2c15299dd20bca7254ecb33e71b |
| User & Date: | drh 2018-04-23 20:38:40 |
Context
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2018-04-24
| ||
| 00:08 | Fix to check-in [ca34c2dd20ee071e] - avoid a NULL pointer dereference following an OOM. check-in: c7e6e848 user: drh tags: trunk | |
|
2018-04-23
| ||
| 20:38 | Fix a problem in sqlite3ExprCompare() associated with UPSERT. check-in: 67d0b2c1 user: drh tags: trunk | |
| 20:04 | Fix a formatting issue in the TreeView output for bare expression lists. check-in: a6356817 user: drh tags: trunk | |
Changes
Changes to src/expr.c.
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}
if( (pA->flags & EP_Distinct)!=(pB->flags & EP_Distinct) ) return 2;
if( ALWAYS((combinedFlags & EP_TokenOnly)==0) ){
if( combinedFlags & EP_xIsSelect ) return 2;
if( sqlite3ExprCompare(pParse, pA->pLeft, pB->pLeft, iTab) ) return 2;
if( sqlite3ExprCompare(pParse, pA->pRight, pB->pRight, iTab) ) return 2;
if( sqlite3ExprListCompare(pA->x.pList, pB->x.pList, iTab) ) return 2;
if( ALWAYS((combinedFlags & EP_Reduced)==0) && pA->op!=TK_STRING ){
if( pA->iColumn!=pB->iColumn ) return 2;
if( pA->iTable!=pB->iTable
&& (pA->iTable!=iTab || NEVER(pB->iTable>=0)) ) return 2;
}
}
return 0;
}
|
| > |
4916 4917 4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930 4931 |
}
if( (pA->flags & EP_Distinct)!=(pB->flags & EP_Distinct) ) return 2;
if( ALWAYS((combinedFlags & EP_TokenOnly)==0) ){
if( combinedFlags & EP_xIsSelect ) return 2;
if( sqlite3ExprCompare(pParse, pA->pLeft, pB->pLeft, iTab) ) return 2;
if( sqlite3ExprCompare(pParse, pA->pRight, pB->pRight, iTab) ) return 2;
if( sqlite3ExprListCompare(pA->x.pList, pB->x.pList, iTab) ) return 2;
assert( (combinedFlags & EP_Reduced)==0 );
if( pA->op!=TK_STRING && pA->op!=TK_TRUEFALSE ){
if( pA->iColumn!=pB->iColumn ) return 2;
if( pA->iTable!=pB->iTable
&& (pA->iTable!=iTab || NEVER(pB->iTable>=0)) ) return 2;
}
}
return 0;
}
|
Changes to test/upsert1.test.
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ON CONFLICT(a) DO UPDATE SET b=b+1;
} {1}
do_execsql_test upsert1-410 {
PRAGMA count_changes=OFF;
SELECT a, b FROM t2 ORDER BY a;
} {four 1 one 3 three 2 two 1}
finish_test
|
> > > > > > > > |
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ON CONFLICT(a) DO UPDATE SET b=b+1;
} {1}
do_execsql_test upsert1-410 {
PRAGMA count_changes=OFF;
SELECT a, b FROM t2 ORDER BY a;
} {four 1 one 3 three 2 two 1}
# Problem found by AFL prior to any release
do_execsql_test upsert1-500 {
DROP TABLE t1;
CREATE TABLE t1(x INTEGER PRIMARY KEY, y INT UNIQUE);
INSERT INTO t1(x,y) SELECT 1,2 WHERE true
ON CONFLICT(x) DO UPDATE SET y=max(t1.y,excluded.y) AND true;
SELECT * FROM t1;
} {1 2}
finish_test
|