344   int regOldRowid = 0;   /* The old rowid */  in sqlite3Update()  local
614     regOldRowid = regNewRowid = ++pParse->nMem;  in sqlite3Update()
676     sqlite3VdbeAddOp3(v, OP_Null, 0, regRowSet, regOldRowid);  in sqlite3Update()
768       sqlite3VdbeAddOp2(v, OP_Rowid, iDataCur, regOldRowid);  in sqlite3Update()
771         sqlite3VdbeAddOp3(v, OP_Insert, iEph, regRowSet, regOldRowid);  in sqlite3Update()
837       sqlite3VdbeAddOp2(v, OP_IsNull, pPk ? regKey : regOldRowid, labelBreak);  in sqlite3Update()
854             sqlite3VdbeAddOp2(v, OP_Rowid, iEph, regOldRowid);  in sqlite3Update()
856                 v, OP_NotExists, iDataCur, labelContinue, regOldRowid  in sqlite3Update()
868       addrTop = sqlite3VdbeAddOp2(v, OP_Rowid, iEph, regOldRowid);  in sqlite3Update()
870       sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue, regOldRowid);  in sqlite3Update()
879   assert( chngKey || pTrigger || hasFK || regOldRowid==regNewRowid );  in sqlite3Update()
911       sqlite3VdbeAddOp2(v, OP_Copy, regOldRowid, regNewRowid);  in sqlite3Update()
975         TRIGGER_BEFORE, pTab, regOldRowid, onError, labelContinue);  in sqlite3Update()
988         sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue,regOldRowid);  in sqlite3Update()
1020     assert( regOldRowid>0 );  in sqlite3Update()
1022         regNewRowid, regOldRowid, chngKey, onError, labelContinue, &bReplace,  in sqlite3Update()
1032         sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue,regOldRowid);  in sqlite3Update()
1039       sqlite3FkCheck(pParse, pTab, regOldRowid, 0, aXRef, chngKey);  in sqlite3Update()
1097       sqlite3FkActions(pParse, pTab, pChanges, regOldRowid, aXRef, chngKey);  in sqlite3Update()
1108       TRIGGER_AFTER, pTab, regOldRowid, onError, labelContinue);  in sqlite3Update()