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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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12
manifest
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@@ -1,5 +1,5 @@
C Simplify\sthe\ssqlite3BtreeInsert()\sinterface\sby\sgathering\sthe\sfive\sarguments\ndescribing\sthe\scontent\sto\sbe\sinserted\sinto\sthe\snew\sBtreePayload\sstructure,\sand\nthus\sreducing\sthe\snumber\sof\sparameters\sfrom\seight\sto\sfour.
D 2016-05-21T20:03:42.980
C More\stweaks\sto\simprove\sthe\sperformance\sof\sthe\sinsert\slogic,\sslightly.
D 2016-05-21T23:25:29.377
F Makefile.in f59e0763ff448719fc1bd25513882b0567286317
F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
F Makefile.msc 306d73e854b1a92ea06e5d1e637faa5c44de53c7
@@ -322,7 +322,7 @@ F src/auth.c b56c78ebe40a2110fd361379f7e8162d23f92240
F src/backup.c 6df65fdd569c901a418887a1a76f82ec35044556
F src/bitvec.c 3ee4c8b2c94ed3a7377256e18199e6ff5cf33f63
F src/btmutex.c bc87dd3b062cc26edfe79918de2200ccb8d41e73
F src/btree.c e312cc3fdff31fdcc727b973fa0f195573b86393
F src/btree.c 2128172fc1c420a6fa6878827fa595407795069a
F src/btree.h 1342a9b2cc2089e3534d3ef00204786783f6aea6
F src/btreeInt.h c18b7d2a3494695133e4e60ee36061d37f45d9a5
F src/build.c 785fa789319d93c6ae20efbd01d4da9ce8f8a793
@@ -1492,7 +1492,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 2ce1166717ac3c0cec37b2f6d70d8359fbaefc71
R 560ed5c35c4c6718e1a252b0b3f02845
P 55f348cdd24c7812ea4b63345514764b69f64dc8
R c264a769216b385e0f4c9931cdb639d6
U drh
Z ca823f4324bb11c74d57e3f017091386
Z 3ab4f00ccff5a15915c6caecbe082e94

2
manifest.uuid
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@@ -1 +1 @@
55f348cdd24c7812ea4b63345514764b69f64dc8
dec1307581216e01ad508ffe4455b957e3356654

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 );