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Overview
| Comment: | Fix an error in the previous commit. A "todo" note was added in the wrong place. |
|---|---|
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | e0634484e381642995086c2fd29481d9 |
| User & Date: | dan 2009-05-26 23:52:07 |
Context
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2009-05-28
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| 11:53 | Add a skeleton and some notes for btree module documentation. check-in: 209bab6a3d user: dan tags: trunk | |
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2009-05-26
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| 23:52 | Fix an error in the previous commit. A "todo" note was added in the wrong place. check-in: e0634484e3 user: dan tags: trunk | |
| 23:13 | Improve the internal links from text to glossary definitions in fileformat.html. Also fix a bunch of issues reported by John Machin on the mailing list. check-in: c5aa49ff35 user: dan tags: trunk | |
Changes
Changes to pages/fileformat.in.
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<p>
The following requirement describes the valid range of values for the
schema layer file format field.
[fileformat_import_requirement2 H30120]
[h3 "Pages and Page Types" "pages_and_page_types"]
<p>
The entire database file is divided into pages, each page consisting
of <i>page-size</i> bytes, where <i>page-size</i> is the 2-byte
integer value stored at offset 16 of the database header (see above).
The <i>page-size</i> is always a power of two between 512
(2<sup>9</sup>) and 32768 (2<sup>15</sup>). SQLite database files
................................................................................
<p>The following database properties discuss table B-Tree records
with implicit (default) values.
[fileformat_import_requirement2 H31100]
[fileformat_import_requirement2 H31110]
[fileformat_import_requirement2 H31120]
<p class=todo>
See the note to do with the schema file format version above. Turns
out this field may also be set to 0 by SQLite.
[h4 "Table B-Tree Page Format"]
<p>
Table B-Tree structures use the same page format as index B-Tree
structures, described in section <cite>index_btree_page_format</cite>,
with the following differences:
<ul>
<li>The first byte of the page-header, the "flags" field, is set to
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<p>
The following requirement describes the valid range of values for the
schema layer file format field.
[fileformat_import_requirement2 H30120]
<p class=todo>
See the note to do with the schema file format version above. Turns
out this field may also be set to 0 by SQLite.
[h3 "Pages and Page Types" "pages_and_page_types"]
<p>
The entire database file is divided into pages, each page consisting
of <i>page-size</i> bytes, where <i>page-size</i> is the 2-byte
integer value stored at offset 16 of the database header (see above).
The <i>page-size</i> is always a power of two between 512
(2<sup>9</sup>) and 32768 (2<sup>15</sup>). SQLite database files
................................................................................
<p>The following database properties discuss table B-Tree records
with implicit (default) values.
[fileformat_import_requirement2 H31100]
[fileformat_import_requirement2 H31110]
[fileformat_import_requirement2 H31120]
[h4 "Table B-Tree Page Format"]
<p>
Table B-Tree structures use the same page format as index B-Tree
structures, described in section <cite>index_btree_page_format</cite>,
with the following differences:
<ul>
<li>The first byte of the page-header, the "flags" field, is set to
|