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Added the new FULL option to the SYNCHRONOUS pragma. Still need to test it. (CVS 863)

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FossilOrigin-Name: 792a9e157dd066fcaffd4f5b373010151fb4ca61
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drh
2003-02-12 14:09:42 +00:00
parent d8d66e8ca0
commit 973b6e333d
11 changed files with 148 additions and 61 deletions
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15
src/btree.c
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@@ -9,7 +9,7 @@
** May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btree.c,v 1.82 2003/01/29 22:58:26 drh Exp $
** $Id: btree.c,v 1.83 2003/02/12 14:09:43 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
@@ -745,6 +745,19 @@ int sqliteBtreeSetCacheSize(Btree *pBt, int mxPage){
return SQLITE_OK;
}
/*
** Change the way data is synced to disk in order to increase or decrease
** how well the database resists damage due to OS crashes and power
** failures. Level 1 is the same as asynchronous (no syncs() occur and
** there is a high probability of damage) Level 2 is the default. There
** is a very low but non-zero probability of damage. Level 3 reduces the
** probability of damage to near zero but with a write performance reduction.
*/
int sqliteBtreeSetSafetyLevel(Btree *pBt, int level){
sqlitepager_set_safety_level(pBt->pPager, level);
return SQLITE_OK;
}
/*
** Get a reference to page1 of the database file. This will
** also acquire a readlock on that file.