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Overview
| Comment: | Change some unreachable test conditions to NEVER(). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
7d99858bec699dface548c77649dfc50 |
| User & Date: | drh 2013-12-03 02:52:11 |
Context
|
2013-12-03
| ||
| 09:49 | Add a "database_may_be_corrupt" directive to test file fuzz3.test. Reformat an assert() statement in vdbeaux.c to make its intent clearer. check-in: 9d8a0e13 user: dan tags: trunk | |
| 02:52 | Change some unreachable test conditions to NEVER(). check-in: 7d99858b user: drh tags: trunk | |
| 00:11 | Fix a harmless compiler warning on MacOS. check-in: 74328de1 user: drh tags: trunk | |
Changes
Changes to src/vdbemem.c.
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int rc = SQLITE_OK;
if( !pExpr ){
*ppVal = 0;
return SQLITE_OK;
}
op = pExpr->op;
/* op can only be TK_REGISTER if we have compiled with SQLITE_ENABLE_STAT4.
** The ifdef here is to enable us to achieve 100% branch test coverage even
** when SQLITE_ENABLE_STAT4 is omitted.
*/
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
if( op==TK_REGISTER ) op = pExpr->op2;
#else
if( NEVER(op==TK_REGISTER) ) op = pExpr->op2;
#endif
/* Handle negative integers in a single step. This is needed in the
** case when the value is -9223372036854775808.
*/
if( op==TK_UMINUS
&& (pExpr->pLeft->op==TK_INTEGER || pExpr->pLeft->op==TK_FLOAT) ){
pExpr = pExpr->pLeft;
................................................................................
if( !pExpr ){
pVal = valueNew(db, &alloc);
if( pVal ){
sqlite3VdbeMemSetNull((Mem*)pVal);
*pbOk = 1;
}
}else if( pExpr->op==TK_VARIABLE
|| (pExpr->op==TK_REGISTER && pExpr->op2==TK_VARIABLE)
){
Vdbe *v;
int iBindVar = pExpr->iColumn;
sqlite3VdbeSetVarmask(pParse->pVdbe, iBindVar);
if( (v = pParse->pReprepare)!=0 ){
pVal = valueNew(db, &alloc);
if( pVal ){
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int rc = SQLITE_OK;
if( !pExpr ){
*ppVal = 0;
return SQLITE_OK;
}
op = pExpr->op;
if( NEVER(op==TK_REGISTER) ) op = pExpr->op2;
/* Handle negative integers in a single step. This is needed in the
** case when the value is -9223372036854775808.
*/
if( op==TK_UMINUS
&& (pExpr->pLeft->op==TK_INTEGER || pExpr->pLeft->op==TK_FLOAT) ){
pExpr = pExpr->pLeft;
................................................................................
if( !pExpr ){
pVal = valueNew(db, &alloc);
if( pVal ){
sqlite3VdbeMemSetNull((Mem*)pVal);
*pbOk = 1;
}
}else if( pExpr->op==TK_VARIABLE
|| NEVER(pExpr->op==TK_REGISTER && pExpr->op2==TK_VARIABLE)
){
Vdbe *v;
int iBindVar = pExpr->iColumn;
sqlite3VdbeSetVarmask(pParse->pVdbe, iBindVar);
if( (v = pParse->pReprepare)!=0 ){
pVal = valueNew(db, &alloc);
if( pVal ){
|