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Overview
| Comment: | Additional compiler warning fixes. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | nextgen-query-plan-exp |
| Files: | files | file ages | folders |
| SHA1: |
8d2ae8e2f343f82f6fba6d0e89cee7f1 |
| User & Date: | drh 2013-06-19 13:59:49 |
Context
|
2013-06-19
| ||
| 18:01 | Add in the cost of doing a table lookup on OR searches. Make test case changes to deal with difference in STAT3 behavior. check-in: d97898e8 user: drh tags: nextgen-query-plan-exp | |
| 13:59 | Additional compiler warning fixes. check-in: 8d2ae8e2 user: drh tags: nextgen-query-plan-exp | |
| 13:32 | Fix a harmless uninitialized variable warning. check-in: 9d3ef3bd user: drh tags: nextgen-query-plan-exp | |
Changes
Changes to src/build.c.
3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 |
sizeof(*pSrc) + (nAlloc-1)*sizeof(pSrc->a[0]) );
if( pNew==0 ){
assert( db->mallocFailed );
return pSrc;
}
pSrc = pNew;
nGot = (sqlite3DbMallocSize(db, pNew) - sizeof(*pSrc))/sizeof(pSrc->a[0])+1;
pSrc->nAlloc = (u16)nGot;
}
/* Move existing slots that come after the newly inserted slots
** out of the way */
for(i=pSrc->nSrc-1; i>=iStart; i--){
pSrc->a[i+nExtra] = pSrc->a[i];
}
pSrc->nSrc += (i16)nExtra;
/* Zero the newly allocated slots */
memset(&pSrc->a[iStart], 0, sizeof(pSrc->a[0])*nExtra);
for(i=iStart; i<iStart+nExtra; i++){
pSrc->a[i].iCursor = -1;
}
|
| | |
3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 |
sizeof(*pSrc) + (nAlloc-1)*sizeof(pSrc->a[0]) );
if( pNew==0 ){
assert( db->mallocFailed );
return pSrc;
}
pSrc = pNew;
nGot = (sqlite3DbMallocSize(db, pNew) - sizeof(*pSrc))/sizeof(pSrc->a[0])+1;
pSrc->nAlloc = (u8)nGot;
}
/* Move existing slots that come after the newly inserted slots
** out of the way */
for(i=pSrc->nSrc-1; i>=iStart; i--){
pSrc->a[i+nExtra] = pSrc->a[i];
}
pSrc->nSrc += (i8)nExtra;
/* Zero the newly allocated slots */
memset(&pSrc->a[iStart], 0, sizeof(pSrc->a[0])*nExtra);
for(i=iStart; i<iStart+nExtra; i++){
pSrc->a[i].iCursor = -1;
}
|
Changes to src/where.c.
879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 .... 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 .... 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 .... 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 |
continue;
}
pScan->k = k+1;
return pTerm;
}
}
}
pWC = pScan->pWC = pScan->pWC->pOuter;
k = 0;
}
pScan->pWC = pScan->pOrigWC;
k = 0;
pScan->iEquiv += 2;
}
return 0;
................................................................................
int nExtraReg = 0; /* Number of extra registers needed */
int op; /* Instruction opcode */
char *zStartAff; /* Affinity for start of range constraint */
char *zEndAff; /* Affinity for end of range constraint */
pIdx = pLoop->u.btree.pIndex;
iIdxCur = pLevel->iIdxCur;
k = (nEq==pIdx->nColumn ? -1 : pIdx->aiColumn[nEq]);
/* If this loop satisfies a sort order (pOrderBy) request that
** was passed to this function to implement a "SELECT min(x) ..."
** query, then the caller will only allow the loop to run for
** a single iteration. This means that the first row returned
** should not have a NULL value stored in 'x'. If column 'x' is
** the first one after the nEq equality constraints in the index,
................................................................................
if( pWInfo->nLevel>1 ){
int nNotReady; /* The number of notReady tables */
struct SrcList_item *origSrc; /* Original list of tables */
nNotReady = pWInfo->nLevel - iLevel - 1;
pOrTab = sqlite3StackAllocRaw(pParse->db,
sizeof(*pOrTab)+ nNotReady*sizeof(pOrTab->a[0]));
if( pOrTab==0 ) return notReady;
pOrTab->nAlloc = (i16)(nNotReady + 1);
pOrTab->nSrc = pOrTab->nAlloc;
memcpy(pOrTab->a, pTabItem, sizeof(*pTabItem));
origSrc = pWInfo->pTabList->a;
for(k=1; k<=nNotReady; k++){
memcpy(&pOrTab->a[k], &origSrc[pLevel[k].iFrom], sizeof(pOrTab->a[k]));
}
}else{
................................................................................
testcase( pTerm->eOperator & WO_EQ );
testcase( pTerm->eOperator & WO_ISNULL );
rc = whereEqualScanEst(pParse, pProbe, pTerm->pExpr->pRight, &nOut);
}else if( (pTerm->eOperator & WO_IN)
&& !ExprHasProperty(pTerm->pExpr, EP_xIsSelect) ){
rc = whereInScanEst(pParse, pProbe, pTerm->pExpr->x.pList, &nOut);
}
pNew->nOut = whereCost(nOut);
}
#endif
if( (pNew->wsFlags & (WHERE_IDX_ONLY|WHERE_IPK))==0 ){
/* Each row involves a step of the index, then a binary search of
** the main table */
pNew->rRun = whereCostAdd(pNew->rRun, rLogSize>27 ? rLogSize-17 : 10);
}
|
| < | | |
879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 .... 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 .... 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 .... 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350 4351 4352 4353 4354 4355 |
continue;
}
pScan->k = k+1;
return pTerm;
}
}
}
pScan->pWC = pScan->pWC->pOuter;
k = 0;
}
pScan->pWC = pScan->pOrigWC;
k = 0;
pScan->iEquiv += 2;
}
return 0;
................................................................................
int nExtraReg = 0; /* Number of extra registers needed */
int op; /* Instruction opcode */
char *zStartAff; /* Affinity for start of range constraint */
char *zEndAff; /* Affinity for end of range constraint */
pIdx = pLoop->u.btree.pIndex;
iIdxCur = pLevel->iIdxCur;
/* If this loop satisfies a sort order (pOrderBy) request that
** was passed to this function to implement a "SELECT min(x) ..."
** query, then the caller will only allow the loop to run for
** a single iteration. This means that the first row returned
** should not have a NULL value stored in 'x'. If column 'x' is
** the first one after the nEq equality constraints in the index,
................................................................................
if( pWInfo->nLevel>1 ){
int nNotReady; /* The number of notReady tables */
struct SrcList_item *origSrc; /* Original list of tables */
nNotReady = pWInfo->nLevel - iLevel - 1;
pOrTab = sqlite3StackAllocRaw(pParse->db,
sizeof(*pOrTab)+ nNotReady*sizeof(pOrTab->a[0]));
if( pOrTab==0 ) return notReady;
pOrTab->nAlloc = (u8)(nNotReady + 1);
pOrTab->nSrc = pOrTab->nAlloc;
memcpy(pOrTab->a, pTabItem, sizeof(*pTabItem));
origSrc = pWInfo->pTabList->a;
for(k=1; k<=nNotReady; k++){
memcpy(&pOrTab->a[k], &origSrc[pLevel[k].iFrom], sizeof(pOrTab->a[k]));
}
}else{
................................................................................
testcase( pTerm->eOperator & WO_EQ );
testcase( pTerm->eOperator & WO_ISNULL );
rc = whereEqualScanEst(pParse, pProbe, pTerm->pExpr->pRight, &nOut);
}else if( (pTerm->eOperator & WO_IN)
&& !ExprHasProperty(pTerm->pExpr, EP_xIsSelect) ){
rc = whereInScanEst(pParse, pProbe, pTerm->pExpr->x.pList, &nOut);
}
if( rc==SQLITE_OK ) pNew->nOut = whereCost(nOut);
}
#endif
if( (pNew->wsFlags & (WHERE_IDX_ONLY|WHERE_IPK))==0 ){
/* Each row involves a step of the index, then a binary search of
** the main table */
pNew->rRun = whereCostAdd(pNew->rRun, rLogSize>27 ? rLogSize-17 : 10);
}
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