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An attempt to delete a single row using a WHERE clause that specifies

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the rowid would result in an error if the rowid did not exist.  This
problem has been resolved. (CVS 338)

FossilOrigin-Name: 011be9a9d2632d261489005d97c69b0a0bc5a108
This commit is contained in:
drh
2002-01-04 03:09:29 +00:00
parent c839258651
commit c6b52df32d
12 changed files with 124 additions and 44 deletions
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37
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 1.45 2001/12/15 14:22:19 drh Exp $
** $Id: btree.c,v 1.46 2002/01/04 03:09:29 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
@@ -728,6 +728,7 @@ static int newDatabase(Btree *pBt){
** unless a transaction is started first:
**
** sqliteBtreeCreateTable()
** sqliteBtreeCreateIndex()
** sqliteBtreeClearTable()
** sqliteBtreeDropTable()
** sqliteBtreeInsert()
@@ -2227,8 +2228,13 @@ int sqliteBtreeDelete(BtCursor *pCur){
}
/*
** Create a new BTree in the same file. Write into *piTable the index
** of the root page of the new table.
** Create a new BTree table. Write into *piTable the page
** number for the root page of the new table.
**
** In the current implementation, BTree tables and BTree indices are the
** the same. But in the future, we may change this so that BTree tables
** are restricted to having a 4-byte integer key and arbitrary data and
** BTree indices are restricted to having an arbitrary key and no data.
*/
int sqliteBtreeCreateTable(Btree *pBt, int *piTable){
MemPage *pRoot;
@@ -2246,6 +2252,31 @@ int sqliteBtreeCreateTable(Btree *pBt, int *piTable){
return SQLITE_OK;
}
/*
** Create a new BTree index. Write into *piTable the page
** number for the root page of the new index.
**
** In the current implementation, BTree tables and BTree indices are the
** the same. But in the future, we may change this so that BTree tables
** are restricted to having a 4-byte integer key and arbitrary data and
** BTree indices are restricted to having an arbitrary key and no data.
*/
int sqliteBtreeCreateIndex(Btree *pBt, int *piIndex){
MemPage *pRoot;
Pgno pgnoRoot;
int rc;
if( !pBt->inTrans ){
return SQLITE_ERROR; /* Must start a transaction first */
}
rc = allocatePage(pBt, &pRoot, &pgnoRoot);
if( rc ) return rc;
assert( sqlitepager_iswriteable(pRoot) );
zeroPage(pRoot);
sqlitepager_unref(pRoot);
*piIndex = (int)pgnoRoot;
return SQLITE_OK;
}
/*
** Erase the given database page and all its children. Return
** the page to the freelist.