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Overview
| Comment: | Note an error in fileformat.html. |
|---|---|
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 69b129b4a41b014981ff36624824b62d |
| User & Date: | dan 2009-06-17 03:30:39 |
Context
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2009-06-23
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| 14:36 | Preparations for the 3.6.16 release. check-in: 1793436b49 user: drh tags: trunk | |
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2009-06-17
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| 03:30 | Note an error in fileformat.html. check-in: 69b129b4a4 user: dan tags: trunk | |
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2009-06-13
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| 10:59 | Remove an unrequired "todo" in btreemodule.html. check-in: 1563461430 user: dan tags: trunk | |
Changes
Changes to pages/fileformat.in.
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pointers, where <i>usable-size</i> is defined as the page-size in bytes
less the number of unused bytes left at the end of every page (as read
from byte offset 20 of the database header).
[Figure freelistpage.gif figure_freelistpage "Free List Trunk Page Format"]
<p>
All trunk pages in the free-list except for the first contain the
maximum possible number of references to leaf pages. <span class=todo>Is this actually true in an auto-vacuum capable database?</span> The page number
of the first page in the linked list of free-list trunk pages is
stored as a 4-byte big-endian unsigned integer at offset 32 of the
database header (section <cite>database_header</cite>).
[fancyformat_import_requirement H31240]
[fancyformat_import_requirement H31250]
[fancyformat_import_requirement H31260]
|
| |
1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 |
pointers, where <i>usable-size</i> is defined as the page-size in bytes
less the number of unused bytes left at the end of every page (as read
from byte offset 20 of the database header).
[Figure freelistpage.gif figure_freelistpage "Free List Trunk Page Format"]
<p>
All trunk pages in the free-list except for the first contain the
maximum possible number of references to leaf pages. <span class=todo>Is this actually true in an auto-vacuum capable database? Later: No, not even nearly true. It is a false statement.</span> The page number
of the first page in the linked list of free-list trunk pages is
stored as a 4-byte big-endian unsigned integer at offset 32 of the
database header (section <cite>database_header</cite>).
[fancyformat_import_requirement H31240]
[fancyformat_import_requirement H31250]
[fancyformat_import_requirement H31260]
|