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Overview
Comment: | Do not duplicate the Expr.pLeft subtree of a TK_SELECT_COLUMN node. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | rowvalue |
Files: | files | file ages | folders |
SHA1: |
8384c77ebb3f65fbc54c199885926f20 |
User & Date: | drh 2016-08-20 17:00:16.608 |
Context
2016-08-20
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18:06 | Fixes for problems following OOM errors. (check-in: 9041ee4a6f user: drh tags: rowvalue) | |
17:00 | Do not duplicate the Expr.pLeft subtree of a TK_SELECT_COLUMN node. (check-in: 8384c77ebb 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: 203f07c5e1 user: dan tags: rowvalue) | |
Changes
Changes to src/expr.c.
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1201 1202 1203 1204 1205 1206 1207 | exprDup(db, p->pRight, EXPRDUP_REDUCE, &zAlloc) : 0; } if( pzBuffer ){ *pzBuffer = zAlloc; } }else{ if( !ExprHasProperty(p, EP_TokenOnly) ){ | > > > | > | 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; } |
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