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Overview
| Comment: | Do not duplicate the Expr.pLeft subtree of a TK_SELECT_COLUMN node. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | rowvalue |
| Files: | files | file ages | folders |
| SHA1: |
8384c77ebb3f65fbc54c199885926f20 |
| User & Date: | drh 2016-08-20 17:00:16 |
Context
|
2016-08-20
| ||
| 18:06 | Fixes for problems following OOM errors. check-in: 9041ee4a user: drh tags: rowvalue | |
| 17:00 | Do not duplicate the Expr.pLeft subtree of a TK_SELECT_COLUMN node. check-in: 8384c77e user: drh tags: rowvalue | |
| 15:01 | Fix a segfault that could occur if a query that used a vector comparison contained certain types of syntax errors. check-in: 203f07c5 user: dan tags: rowvalue | |
Changes
Changes to src/expr.c.
1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 |
exprDup(db, p->pRight, EXPRDUP_REDUCE, &zAlloc) : 0;
}
if( pzBuffer ){
*pzBuffer = zAlloc;
}
}else{
if( !ExprHasProperty(p, EP_TokenOnly) ){
pNew->pLeft = sqlite3ExprDup(db, p->pLeft, 0);
pNew->pRight = sqlite3ExprDup(db, p->pRight, 0);
}
}
}
return pNew;
}
|
> > > | > |
1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 |
exprDup(db, p->pRight, EXPRDUP_REDUCE, &zAlloc) : 0;
}
if( pzBuffer ){
*pzBuffer = zAlloc;
}
}else{
if( !ExprHasProperty(p, EP_TokenOnly) ){
if( pNew->op==TK_SELECT_COLUMN ){
pNew->pLeft = p->pLeft;
}else{
pNew->pLeft = sqlite3ExprDup(db, p->pLeft, 0);
}
pNew->pRight = sqlite3ExprDup(db, p->pRight, 0);
}
}
}
return pNew;
}
|