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Overview
| Comment: | Minor tweak the the b-tree balancer. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | btree-tuning |
| Files: | files | file ages | folders |
| SHA1: |
d2a0af7a37e390439c3001fedb5834f4 |
| User & Date: | drh 2016-07-14 19:48:08 |
Context
|
2016-07-23
| ||
| 19:18 | Small tweak to the btree balancer for improved tree balance. check-in: 8817dedb user: drh tags: trunk | |
|
2016-07-14
| ||
| 19:48 | Minor tweak the the b-tree balancer. Closed-Leaf check-in: d2a0af7a user: drh tags: btree-tuning | |
| 19:13 | Fix ALTER TABLE so that it does not promote the schema version past 3, as that will cause DESC indexes to go corrupt. Ticket [f68bf68513a1c]. check-in: a7db6e45 user: drh tags: trunk | |
Changes
Changes to src/btree.c.
7336 7337 7338 7339 7340 7341 7342 7343 7344 7345 7346 7347 7348 7349 7350 |
d = r + 1 - leafData;
(void)cachedCellSize(&b, d);
do{
assert( d<nMaxCells );
assert( r<nMaxCells );
(void)cachedCellSize(&b, r);
if( szRight!=0
&& (bBulk || szRight+b.szCell[d]+2 > szLeft-(b.szCell[r]+2)) ){
break;
}
szRight += b.szCell[d] + 2;
szLeft -= b.szCell[r] + 2;
cntNew[i-1] = r;
r--;
d--;
|
| |
7336 7337 7338 7339 7340 7341 7342 7343 7344 7345 7346 7347 7348 7349 7350 |
d = r + 1 - leafData;
(void)cachedCellSize(&b, d);
do{
assert( d<nMaxCells );
assert( r<nMaxCells );
(void)cachedCellSize(&b, r);
if( szRight!=0
&& (bBulk || szRight+b.szCell[d]+2 > szLeft-(b.szCell[r]+(i==k-1?0:2)))){
break;
}
szRight += b.szCell[d] + 2;
szLeft -= b.szCell[r] + 2;
cntNew[i-1] = r;
r--;
d--;
|