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Move codec management from database connections into the pager so that it

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will work together with shared cache. (CVS 6782)

FossilOrigin-Name: ed08b53cd64c4ff2c94ef4e48441c5236041c9ca
This commit is contained in:
drh
2009-06-18 17:22:39 +00:00
parent ccf6d0934d
commit fa9601a9a6
8 changed files with 72 additions and 53 deletions
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9
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 1.635 2009/06/18 11:29:21 drh Exp $
** $Id: btree.c,v 1.636 2009/06/18 17:22:39 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** See the header comment on "btreeInt.h" for additional information.
@@ -1589,7 +1589,7 @@ int sqlite3BtreeOpen(
pBt->incrVacuum = (get4byte(&zDbHeader[36 + 7*4])?1:0);
#endif
}
rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize);
rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize, nReserve);
if( rc ) goto btree_open_out;
pBt->usableSize = pBt->pageSize - nReserve;
assert( (pBt->pageSize & 7)==0 ); /* 8-byte alignment of pageSize */
@@ -1880,8 +1880,8 @@ int sqlite3BtreeSetPageSize(Btree *p, int pageSize, int nReserve, int iFix){
assert( !pBt->pPage1 && !pBt->pCursor );
pBt->pageSize = (u16)pageSize;
freeTempSpace(pBt);
rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize);
}
rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize, nReserve);
pBt->usableSize = pBt->pageSize - (u16)nReserve;
if( iFix ) pBt->pageSizeFixed = 1;
sqlite3BtreeLeave(p);
@@ -2036,7 +2036,8 @@ static int lockBtree(BtShared *pBt){
pBt->usableSize = (u16)usableSize;
pBt->pageSize = (u16)pageSize;
freeTempSpace(pBt);
rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize);
rc = sqlite3PagerSetPagesize(pBt->pPager, &pBt->pageSize,
pageSize-usableSize);
if( rc ) goto page1_init_failed;
return SQLITE_OK;
}