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Overview
| Comment: | Fix for CVSTrac ticket #3031 - typo in atomic commit document. |
|---|---|
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
afd9f7a1c417596ed420fa8af8b3f6f2 |
| User & Date: | drh 2008-04-08 05:30:59 |
Context
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2008-04-15
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| 01:32 | Update the keyword list. CVSTrac ticket #3054. check-in: 1b43c0419c user: drh tags: trunk | |
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2008-04-08
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| 05:30 | Fix for CVSTrac ticket #3031 - typo in atomic commit document. check-in: afd9f7a1c4 user: drh tags: trunk | |
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2008-03-18
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| 14:07 | Fix an HTML syntax error in the common page footer. CVSTrac ticket #3004. check-in: e21302f6df user: drh tags: trunk | |
Changes
Changes to pages/atomiccommit.in.
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some future release of SQLite. But for now (version 3.5.0) the rollback journal truncation optimization is only enabled in conjunction with exclusive access mode.</p> <h3>7.3 Do Not Journal Freelist Pages</h3> <p>When information is deleted from an SQLite database, the pages used to old the deleted information are added to a "freelist". Subsequent inserts will draw pages off of this freelist rather than expanding the database file.</p> <p>Some freelist pages contain critical data; specifically the locations of other freelist pages. But most freelist pages contain nothing useful. These latter freelist pages are called "leaf" pages. We are free to modify the content of a leaf freelist page in the database without |
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some future release of SQLite. But for now (version 3.5.0) the
rollback journal truncation optimization is only enabled in conjunction
with exclusive access mode.</p>
<h3>7.3 Do Not Journal Freelist Pages</h3>
<p>When information is deleted from an SQLite database, the pages used
to hold the deleted information are added to a "freelist". Subsequent
inserts will draw pages off of this freelist rather than expanding the
database file.</p>
<p>Some freelist pages contain critical data; specifically the locations
of other freelist pages. But most freelist pages contain nothing useful.
These latter freelist pages are called "leaf" pages. We are free to
modify the content of a leaf freelist page in the database without
|