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Add the slightly faster sqlite3DbMallocRawNN(db,n) routine for the majority

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cases where db is guaranteed to be not NULL.

FossilOrigin-Name: 0a802e96ab06e2643834b83671fa8353da1a348d
This commit is contained in:
drh
2016-02-05 13:38:36 +00:00
parent 98c7a12c00
commit 575fad6500
22 changed files with 125 additions and 102 deletions
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4
src/analyze.c
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@@ -313,7 +313,7 @@ static void sampleClear(sqlite3 *db, Stat4Sample *p){
static void sampleSetRowid(sqlite3 *db, Stat4Sample *p, int n, const u8 *pData){
assert( db!=0 );
if( p->nRowid ) sqlite3DbFree(db, p->u.aRowid);
p->u.aRowid = sqlite3DbMallocRaw(db, n);
p->u.aRowid = sqlite3DbMallocRawNN(db, n);
if( p->u.aRowid ){
p->nRowid = n;
memcpy(p->u.aRowid, pData, n);
@@ -1115,7 +1115,7 @@ static void analyzeOneTable(
if( nColTest>0 ){
int endDistinctTest = sqlite3VdbeMakeLabel(v);
int *aGotoChng; /* Array of jump instruction addresses */
aGotoChng = sqlite3DbMallocRaw(db, sizeof(int)*nColTest);
aGotoChng = sqlite3DbMallocRawNN(db, sizeof(int)*nColTest);
if( aGotoChng==0 ) continue;
/*