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Overview
| Comment: | Remove a branch that is never taken from where.c. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 4a4997221f3d61c1411a993053b40c78 |
| User & Date: | dan 2014-03-06 12:36:26 |
Context
|
2014-03-06
| ||
| 13:38 | Improved EXPLAIN indentation of a loop in the ANALYZE logic for STAT4. Mark the not-found jump of a seek operation in that loop as never taken. check-in: 0a4200f9 user: drh tags: trunk | |
| 12:36 | Remove a branch that is never taken from where.c. check-in: 4a499722 user: dan tags: trunk | |
| 02:15 | Cosmetic change to the shell in-memory database warning to skip coloring the trailing period. check-in: c87d8e07 user: mistachkin tags: trunk | |
Changes
Changes to src/where.c.
3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 |
pRangeStart = pLoop->aLTerm[j++];
nExtraReg = 1;
}
if( pLoop->wsFlags & WHERE_TOP_LIMIT ){
pRangeEnd = pLoop->aLTerm[j++];
nExtraReg = 1;
if( pRangeStart==0
&& (pRangeEnd->wtFlags & TERM_VNULL)==0
&& (j = pIdx->aiColumn[nEq])>=0
&& pIdx->pTable->aCol[j].notNull==0
){
bSeekPastNull = 1;
}
}
/* Generate code to evaluate all constraint terms using == or IN
** and store the values of those terms in an array of registers
** starting at regBase.
*/
regBase = codeAllEqualityTerms(pParse,pLevel,bRev,nExtraReg,&zStartAff);
assert( zStartAff==0 || sqlite3Strlen30(zStartAff)>=nEq );
|
< > |
3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 |
pRangeStart = pLoop->aLTerm[j++];
nExtraReg = 1;
}
if( pLoop->wsFlags & WHERE_TOP_LIMIT ){
pRangeEnd = pLoop->aLTerm[j++];
nExtraReg = 1;
if( pRangeStart==0
&& (j = pIdx->aiColumn[nEq])>=0
&& pIdx->pTable->aCol[j].notNull==0
){
bSeekPastNull = 1;
}
}
assert( pRangeEnd==0 || (pRangeEnd->wtFlags & TERM_VNULL)==0 );
/* Generate code to evaluate all constraint terms using == or IN
** and store the values of those terms in an array of registers
** starting at regBase.
*/
regBase = codeAllEqualityTerms(pParse,pLevel,bRev,nExtraReg,&zStartAff);
assert( zStartAff==0 || sqlite3Strlen30(zStartAff)>=nEq );
|