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Comment and documentation changes. (CVS 331)

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FossilOrigin-Name: e8595579a5218aa3f344f967a23ac52ea89daca1
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drh
2001-12-15 14:22:18 +00:00
parent a3cf986fa5
commit 6446c4dc67
7 changed files with 103 additions and 61 deletions
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12
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 1.44 2001/12/15 02:47:28 drh Exp $
** $Id: btree.c,v 1.45 2001/12/15 14:22:19 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
@@ -251,7 +251,7 @@ struct OverflowPage {
/*
** For every page in the database file, an instance of the following structure
** is stored in memory. The u.aDisk[] array contains the raw bits read from
** the disk. The rest is auxiliary information that held in memory only. The
** the disk. The rest is auxiliary information held in memory only. The
** auxiliary info is only valid for regular database pages - it is not
** used for overflow pages and pages on the freelist.
**
@@ -635,7 +635,7 @@ int sqliteBtreeClose(Btree *pBt){
}
/*
** Change the number of pages in the cache.
** Change the limit on the number of pages allowed the cache.
*/
int sqliteBtreeSetCacheSize(Btree *pBt, int mxPage){
sqlitepager_set_cachesize(pBt->pPager, mxPage);
@@ -806,9 +806,13 @@ int sqliteBtreeRollback(Btree *pBt){
** If wrFlag==0, then the cursor can only be used for reading.
** If wrFlag==1, then the cursor can be used for reading or writing.
** A read/write cursor requires exclusive access to its table. There
** cannot be two or more cursors open on the same table is any one of
** cannot be two or more cursors open on the same table if any one of
** cursors is a read/write cursor. But there can be two or more
** read-only cursors open on the same table.
**
** No checking is done to make sure that page iTable really is the
** root page of a b-tree. If it is not, then the cursor acquired
** will not work correctly.
*/
int sqliteBtreeCursor(Btree *pBt, int iTable, int wrFlag, BtCursor **ppCur){
int rc;