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Overview
| SHA1 Hash: | 0a8b8c3b49501889c5d2c42381edc9dcf7d56520 |
|---|---|
| Date: | 2013-01-25 15:06:33 |
| User: | drh |
| Comment: | Correction to the description of the WAL file checksum computation. |
Tags And Properties
- branch=trunk inherited from [b2e03e]
- sym-trunk inherited from [b2e03e]
Context
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2013-02-12
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| 13:45 | [9b3d92] Updates to the temporary disk file document. (user: drh, tags: trunk) | |
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2013-01-25
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| 15:06 | [0a8b8c] Correction to the description of the WAL file checksum computation. (user: drh, tags: trunk) | |
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2013-01-14
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| 19:22 | [db6671] Add scripts allowing src4 to be used as the search engine for sqlite.org. (user: dan, tags: trunk) | |
Changes
Changes to pages/fileformat2.in.
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<ol>
<li><p>The salt-1 and salt-2 values in the frame-header match
salt values in the wal-header</p></li>
<li><p>The checksum values in the final 8 bytes of the frame-header
exactly match the checksum computed consecutively on the
WAL header and the first 8 bytes and the content of all frames
up to and including the current frame.</p></li></li>
</ol>)^
<tcl>hd_fragment walcksm {WAL checksum algorithm}</tcl>
<h3>4.2 Checksum Algorithm</h3>
<p>The checksum is computed by interpreting the input as
|
| > |
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<ol>
<li><p>The salt-1 and salt-2 values in the frame-header match
salt values in the wal-header</p></li>
<li><p>The checksum values in the final 8 bytes of the frame-header
exactly match the checksum computed consecutively on the
first 24 bytes of the WAL header and the first 8 bytes and
the content of all frames
up to and including the current frame.</p></li></li>
</ol>)^
<tcl>hd_fragment walcksm {WAL checksum algorithm}</tcl>
<h3>4.2 Checksum Algorithm</h3>
<p>The checksum is computed by interpreting the input as
|