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Merge the checkpoint_fullfsync pragma and the superlock demonstration into

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the checkpoint-v2 experimental branch.

FossilOrigin-Name: ebf74015f09fe241c1c6902dc8954f2b59ab41ec
This commit is contained in:
drh
2010-11-19 18:51:31 +00:00
parent 24cd616ed8 204eaecda4
commit 27f9aba18c
14 changed files with 557 additions and 51 deletions
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10
src/btree.c
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@@ -2105,11 +2105,17 @@ int sqlite3BtreeSetCacheSize(Btree *p, int mxPage){
** probability of damage to near zero but with a write performance reduction.
*/
#ifndef SQLITE_OMIT_PAGER_PRAGMAS
int sqlite3BtreeSetSafetyLevel(Btree *p, int level, int fullSync){
int sqlite3BtreeSetSafetyLevel(
Btree *p, /* The btree to set the safety level on */
int level, /* PRAGMA synchronous. 1=OFF, 2=NORMAL, 3=FULL */
int fullSync, /* PRAGMA fullfsync. */
int ckptFullSync /* PRAGMA checkpoint_fullfync */
){
BtShared *pBt = p->pBt;
assert( sqlite3_mutex_held(p->db->mutex) );
assert( level>=1 && level<=3 );
sqlite3BtreeEnter(p);
sqlite3PagerSetSafetyLevel(pBt->pPager, level, fullSync);
sqlite3PagerSetSafetyLevel(pBt->pPager, level, fullSync, ckptFullSync);
sqlite3BtreeLeave(p);
return SQLITE_OK;
}