Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | Defer checking for null in the comparison operators, since that is an uncommon case. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
5684525613961fed9db6a4d10dbe2552 |
| User & Date: | drh 2017-04-17 23:23:17 |
Context
|
2017-04-18
| ||
| 05:49 | Refactor the fts3ColumnMethod() function so that all branches can be covered. check-in: e47fdb49 user: dan tags: trunk | |
|
2017-04-17
| ||
| 23:23 | Defer checking for null in the comparison operators, since that is an uncommon case. check-in: 56845256 user: drh tags: trunk | |
| 20:50 | Do not allow a Mem object to be both NULL and some other type at the same time. check-in: e698db19 user: drh tags: trunk | |
Changes
Changes to src/vdbe.c.
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
....
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
|
pIn1 = &aMem[pOp->p1]; type1 = numericType(pIn1); pIn2 = &aMem[pOp->p2]; type2 = numericType(pIn2); pOut = &aMem[pOp->p3]; flags = pIn1->flags | pIn2->flags; if( (flags & MEM_Null)!=0 ) goto arithmetic_result_is_null; if( (type1 & type2 & MEM_Int)!=0 ){ iA = pIn1->u.i; iB = pIn2->u.i; bIntint = 1; switch( pOp->opcode ){ case OP_Add: if( sqlite3AddInt64(&iB,iA) ) goto fp_math; break; case OP_Subtract: if( sqlite3SubInt64(&iB,iA) ) goto fp_math; break; ................................................................................ if( iA==-1 ) iA = 1; iB %= iA; break; } } pOut->u.i = iB; MemSetTypeFlag(pOut, MEM_Int); }else{ bIntint = 0; fp_math: rA = sqlite3VdbeRealValue(pIn1); rB = sqlite3VdbeRealValue(pIn2); switch( pOp->opcode ){ case OP_Add: rB += rA; break; |
<
>
>
|
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
....
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
|
pIn1 = &aMem[pOp->p1];
type1 = numericType(pIn1);
pIn2 = &aMem[pOp->p2];
type2 = numericType(pIn2);
pOut = &aMem[pOp->p3];
flags = pIn1->flags | pIn2->flags;
if( (type1 & type2 & MEM_Int)!=0 ){
iA = pIn1->u.i;
iB = pIn2->u.i;
bIntint = 1;
switch( pOp->opcode ){
case OP_Add: if( sqlite3AddInt64(&iB,iA) ) goto fp_math; break;
case OP_Subtract: if( sqlite3SubInt64(&iB,iA) ) goto fp_math; break;
................................................................................
if( iA==-1 ) iA = 1;
iB %= iA;
break;
}
}
pOut->u.i = iB;
MemSetTypeFlag(pOut, MEM_Int);
}else if( (flags & MEM_Null)!=0 ){
goto arithmetic_result_is_null;
}else{
bIntint = 0;
fp_math:
rA = sqlite3VdbeRealValue(pIn1);
rB = sqlite3VdbeRealValue(pIn2);
switch( pOp->opcode ){
case OP_Add: rB += rA; break;
|