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More tweaks to improve the performance of the insert logic, slightly.

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FossilOrigin-Name: dec1307581216e01ad508ffe4455b957e3356654
This commit is contained in:
drh
2016-05-21 23:25:29 +00:00
parent 8eeb4463d9
commit dfc2daa7c3
3 changed files with 16 additions and 17 deletions
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19
src/btree.c
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@@ -6096,24 +6096,23 @@ static int fillInCell(
/* Fill in the header. */
nHeader = pPage->childPtrSize;
nPayload = pX->nData + pX->nZero;
if( pPage->intKeyLeaf ){
if( pPage->intKey ){
nPayload = pX->nData + pX->nZero;
pSrc = pX->pData;
nSrc = pX->nData;
assert( pPage->intKeyLeaf ); /* fillInCell() only called for leaves */
nHeader += putVarint32(&pCell[nHeader], nPayload);
nHeader += putVarint(&pCell[nHeader], *(u64*)&pX->nKey);
}else{
assert( pX->nData==0 );
assert( pX->nZero==0 );
}
nHeader += putVarint(&pCell[nHeader], *(u64*)&pX->nKey);
/* Fill in the payload */
if( pPage->intKey ){
pSrc = pX->pData;
nSrc = pX->nData;
}else{
assert( pX->nKey<=0x7fffffff && pX->pKey!=0 );
nSrc = nPayload = (int)pX->nKey;
pSrc = pX->pKey;
nHeader += putVarint32(&pCell[nHeader], nPayload);
}
/* Fill in the payload */
if( nPayload<=pPage->maxLocal ){
n = nHeader + nPayload;
testcase( n==3 );