Index: src/vdbe.c ================================================================== --- src/vdbe.c +++ src/vdbe.c @@ -4321,17 +4321,25 @@ int res; u64 iKey; pIn3 = &aMem[pOp->p3]; if( (pIn3->flags & MEM_Int)==0 ){ + /* Make sure pIn3->u.i contains a valid integer representation of + ** the key value, but do not change the datatype of the register, as + ** other parts of the perpared statement might be depending on the + ** current datatype. */ + u16 origFlags = pIn3->flags; + int isNotInt; applyAffinity(pIn3, SQLITE_AFF_NUMERIC, encoding); - if( (pIn3->flags & MEM_Int)==0 ) goto jump_to_p2; + isNotInt = (pIn3->flags & MEM_Int)==0; + pIn3->flags = origFlags; + if( isNotInt ) goto jump_to_p2; } /* Fall through into OP_NotExists */ case OP_NotExists: /* jump, in3 */ pIn3 = &aMem[pOp->p3]; - assert( pIn3->flags & MEM_Int ); + assert( (pIn3->flags & MEM_Int)!=0 || pOp->opcode==OP_SeekRowid ); assert( pOp->p1>=0 && pOp->p1nCursor ); pC = p->apCsr[pOp->p1]; assert( pC!=0 ); #ifdef SQLITE_DEBUG pC->seekOp = OP_SeekRowid; Index: src/wherecode.c ================================================================== --- src/wherecode.c +++ src/wherecode.c @@ -1351,13 +1351,10 @@ iRowidReg = codeEqualityTerm(pParse, pTerm, pLevel, 0, bRev, iReleaseReg); if( iRowidReg!=iReleaseReg ) sqlite3ReleaseTempReg(pParse, iReleaseReg); addrNxt = pLevel->addrNxt; sqlite3VdbeAddOp3(v, OP_SeekRowid, iCur, addrNxt, iRowidReg); VdbeCoverage(v); - sqlite3ExprCacheAffinityChange(pParse, iRowidReg, 1); - sqlite3ExprCacheStore(pParse, iCur, -1, iRowidReg); - VdbeComment((v, "pk")); pLevel->op = OP_Noop; }else if( (pLoop->wsFlags & WHERE_IPK)!=0 && (pLoop->wsFlags & WHERE_COLUMN_RANGE)!=0 ){ /* Case 3: We have an inequality comparison against the ROWID field.