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Add automatic recovery from the pager "error-state". Also add a new error code - SQLITE_IOERR_NOMEM. (CVS 4454)

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FossilOrigin-Name: 12eca32a6a3d68d5b20eed03afdffe7599e66014
This commit is contained in:
danielk1977
2007-10-03 08:46:44 +00:00
parent ae1463b941
commit ae72d98252
21 changed files with 319 additions and 132 deletions
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4
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 1.427 2007/09/17 07:02:57 danielk1977 Exp $
** $Id: btree.c,v 1.428 2007/10/03 08:46:44 danielk1977 Exp $
**
** This file implements a external (disk-based) database using BTrees.
** See the header comment on "btreeInt.h" for additional information.
@@ -2585,13 +2585,11 @@ int sqlite3BtreeRollbackStmt(Btree *p){
int rc = SQLITE_OK;
BtShared *pBt = p->pBt;
sqlite3BtreeEnter(p);
sqlite3MallocDisallow();
if( pBt->inStmt && !pBt->readOnly ){
rc = sqlite3PagerStmtRollback(pBt->pPager);
assert( countWriteCursors(pBt)==0 );
pBt->inStmt = 0;
}
sqlite3MallocAllow();
sqlite3BtreeLeave(p);
return rc;
}