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Overview
Comment:Minor updates and corrections to comments in btreeInt.h. No changes to code.
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SHA1: ad949fa1acb4546fe4f2a448025579cc374dd8dd
User & Date: drh 2009-10-27 18:06:10.000
Context
2009-10-29
13:48
Reduce the memory required by prepared statements that use the IN operator with a list on the right and an INTEGER PRIMARY KEY on the left. (check-in: e7984ad2f7 user: drh tags: trunk)
2009-10-27
18:06
Minor updates and corrections to comments in btreeInt.h. No changes to code. (check-in: ad949fa1ac user: drh tags: trunk)
2009-10-26
22:32
Remove additional obsolete code from the sqlite3_release_memory() logic. (check-in: 2eeb6ed818 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/btreeInt.h.
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** page has a small header which contains the Ptr(N) pointer and other
** information such as the size of key and data.
**
** FORMAT DETAILS
**
** The file is divided into pages.  The first page is called page 1,
** the second is page 2, and so forth.  A page number of zero indicates
** "no such page".  The page size can be anything between 512 and 65536.
** Each page can be either a btree page, a freelist page or an overflow
** page.
**
** The first page is always a btree page.  The first 100 bytes of the first
** page contain a special header (the "file header") that describes the file.
** The format of the file header is as follows:
**
**   OFFSET   SIZE    DESCRIPTION
**      0      16     Header string: "SQLite format 3\000"








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** page has a small header which contains the Ptr(N) pointer and other
** information such as the size of key and data.
**
** FORMAT DETAILS
**
** The file is divided into pages.  The first page is called page 1,
** the second is page 2, and so forth.  A page number of zero indicates
** "no such page".  The page size can be any power of 2 between 512 and 32768.
** Each page can be either a btree page, a freelist page, an overflow
** page, or a pointer-map page.
**
** The first page is always a btree page.  The first 100 bytes of the first
** page contain a special header (the "file header") that describes the file.
** The format of the file header is as follows:
**
**   OFFSET   SIZE    DESCRIPTION
**      0      16     Header string: "SQLite format 3\000"
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