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Comment changes in btree.c. No changes to code. (CVS 1988)

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FossilOrigin-Name: b15abf984fa06ae968d92fa9533dab20dcebd323
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drh
2004-09-27 13:19:51 +00:00
parent 3127653b1c
commit 44f87bdc56
3 changed files with 12 additions and 11 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 1.190 2004/09/27 12:20:52 drh Exp $
** $Id: btree.c,v 1.191 2004/09/27 13:19:52 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
@@ -127,15 +127,16 @@
**
** The flags define the format of this btree page. The leaf flag means that
** this page has no children. The zerodata flag means that this page carries
** only keys and no data. The intkey flag means that the key is a single
** variable length integer at the beginning of the payload.
** only keys and no data. The intkey flag means that the key is a integer
** which is stored in the key size entry of the cell header rather than in
** the payload area.
**
** The cell pointer array begins on the first byte after the page header.
** The cell pointer array contains zero or more 2-byte numbers which are
** offsets from the beginning of the page to the cell content in the cell
** content area. The cell pointers occur in sorted order. The system strives
** to keep free space after the last cell pointer so that new cells can
** be easily added without have to defragment the page.
** be easily added without having to defragment the page.
**
** Cell content is stored at the very end of the page and grows toward the
** beginning of the page.