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Overview
| Comment: | Very small simplification to the btree balancer. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | f421adf54c9db91ba6ca64a8ba375168 |
| User & Date: | drh 2016-01-20 01:32:00 |
Context
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2016-01-20
| ||
| 01:48 | During compilation, transfer the azVar[0..nzVar-1] array from Parse to Vdbe rather than copying it. Smaller and faster code. check-in: 80dd495f user: drh tags: trunk | |
| 01:32 | Very small simplification to the btree balancer. check-in: f421adf5 user: drh tags: trunk | |
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2016-01-19
| ||
| 21:36 | Fix an incorrect VFS version number check in the threadtest3.c test program. check-in: 5bf6442b user: drh tags: trunk | |
Changes
Changes to src/btree.c.
7182 7183 7184 7185 7186 7187 7188 7189 7190 7191 7192 7193 7194 7195 7196 7197 7198 |
** invariant.
**
** This must be done in advance. Once the balance starts, the cell
** offset section of the btree page will be overwritten and we will no
** long be able to find the cells if a pointer to each cell is not saved
** first.
*/
memset(&b.szCell[b.nCell], 0, sizeof(b.szCell[0])*limit);
if( pOld->nOverflow>0 ){
memset(&b.szCell[b.nCell+limit], 0, sizeof(b.szCell[0])*pOld->nOverflow);
limit = pOld->aiOvfl[0];
for(j=0; j<limit; j++){
b.apCell[b.nCell] = aData + (maskPage & get2byteAligned(piCell));
piCell += 2;
b.nCell++;
}
for(k=0; k<pOld->nOverflow; k++){
|
| < |
7182 7183 7184 7185 7186 7187 7188 7189 7190 7191 7192 7193 7194 7195 7196 7197 |
** invariant.
**
** This must be done in advance. Once the balance starts, the cell
** offset section of the btree page will be overwritten and we will no
** long be able to find the cells if a pointer to each cell is not saved
** first.
*/
memset(&b.szCell[b.nCell], 0, sizeof(b.szCell[0])*(limit+pOld->nOverflow));
if( pOld->nOverflow>0 ){
limit = pOld->aiOvfl[0];
for(j=0; j<limit; j++){
b.apCell[b.nCell] = aData + (maskPage & get2byteAligned(piCell));
piCell += 2;
b.nCell++;
}
for(k=0; k<pOld->nOverflow; k++){
|