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Overview
Comment:Changes for the 3.12.1 release.
Timelines: family | ancestors | descendants | both | branch-3.12
Files: files | file ages | folders
SHA1: 38b637c8ea510a7e51501921efecd92b8e5be11f
User & Date: drh 2016-04-08 15:12:44
Context
2016-04-15
11:43
Fix typo in partial index documentation. check-in: 544f9ccc33 user: drh tags: branch-3.12
2016-04-08
20:15
Merge changes from the 3.12.0 branch. Improvements to change-log rendering. check-in: 3d991d2d4e user: drh tags: trunk
15:12
Changes for the 3.12.1 release. check-in: 38b637c8ea user: drh tags: branch-3.12
2016-04-04
12:21
Typo fixes from Johannes Laire. check-in: 16f159820b user: drh tags: branch-3.12
Changes
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http://www.sqlite.org/src/timeline?t=release</a>.
See the [chronology] a succinct listing of releases.
</p>

<tcl>
set nChng 0
proc chng {date desc {options {}}} {
  global nChng aChng
  set aChng($nChng) [list $date $desc $options]

  incr nChng
}














chng {2016-04-01 (3.9.3)} {
<li>Backport a simple query planner optimization that allows the IS operator
    to drive an index on a LEFT OUTER JOIN.  No other changes from the
    [version 3.9.2] baseline.
}








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http://www.sqlite.org/src/timeline?t=release</a>.
See the [chronology] a succinct listing of releases.
</p>

<tcl>
set nChng 0
proc chng {date desc {options {}}} {
  global nChng aChng xrefChng
  set aChng($nChng) [list $date $desc $options]
  set xrefChng($date) $nChng
  incr nChng
}

chng {2016-04-08 (3.12.1)} {
<li>Fix a boundary condition error introduced by version 3.12.0
    that can result in a crash during heavy [SAVEPOINT] usage.
    Ticket [https://www.sqlite.org/src/info/7f7f8026eda38|7f7f8026eda38].
<li>Fix [views] so that they inherit column datatypes from the 
    table that they are defined against, when possible.
<li>Fix the query planner so that IS and IS NULL operators are able
    to drive an index on a LEFT OUTER JOIN.
<p><b>Hashes:</b>
<li>SQLITE_SOURCE_ID: "2016-04-08 15:09:49 fe7d3b75fe1bde41511b323925af8ae1b910bc4d"
<li>SHA1 for sqlite3.c: ebb18593350779850e3e1a930eb84a70fca8c1d1
} {patchagainst 2}

chng {2016-04-01 (3.9.3)} {
<li>Backport a simple query planner optimization that allows the IS operator
    to drive an index on a LEFT OUTER JOIN.  No other changes from the
    [version 3.9.2] baseline.
}

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</td>
<td width="20"></td><td bgcolor="#044a64" width="1"></td><td width="20"></td>
<td valign="top">
<h3>Current Status</h3>

<p><ul>
<li><a href="releaselog/3_12_0.html">Version 3.12.0</a>
of SQLite is recommended for all new development.
</li>
</ul></p>

<h3>Common Links</h3>

<p><ul>







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</td>
<td width="20"></td><td bgcolor="#044a64" width="1"></td><td width="20"></td>
<td valign="top">
<h3>Current Status</h3>

<p><ul>
<li><a href="releaselog/3_12_1.html">Version 3.12.1</a>
of SQLite is recommended for all new development.
</li>
</ul></p>

<h3>Common Links</h3>

<p><ul>

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  hd_puts "<h3>$date - $title</h3>"
  regsub -all "\n( *\n)+" $text "</p>\n\n<p>" txt
  regsub -all {[Tt]icket #(\d+)} $txt \
      {<a href="http://www.sqlite.org/cvstrac/tktview?tn=\1">\0</a>} txt
  hd_resolve "<blockquote>$txt</blockquote>"
  hd_puts "<hr width=\"50%\">"
}













newsitem {2016-03-29} {Release 3.12.0} {
<p>SQLite [version 3.12.0] is a regularly scheduled maintenance release.
   A notable change in this release is an
   [increase in the default page size] for newly created database files.
   There are also various performance improvements.
   See the [version 3.12.0|change log] for details.







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  hd_puts "<h3>$date - $title</h3>"
  regsub -all "\n( *\n)+" $text "</p>\n\n<p>" txt
  regsub -all {[Tt]icket #(\d+)} $txt \
      {<a href="http://www.sqlite.org/cvstrac/tktview?tn=\1">\0</a>} txt
  hd_resolve "<blockquote>$txt</blockquote>"
  hd_puts "<hr width=\"50%\">"
}

newsitem {2016-04-08} {Release 3.12.1} {
<p>SQLite [version 3.12.1] is an emergency patch release to address a 
   [https://www.sqlite.org/src/info/7f7f8026eda38|crash bug] that snuck
   into [version 3.12.0].  Upgrading from version 3.12.0 is highly
   recommended.
<p>Another minor problem involving datatypes on [view] columns, and
   a query planner deficiency are fixed at the same time.  These two
   issues did not justify a new release on their own, but since a release
   is being issued to deal with the crash bug, we included these other
   fixes for good measure.
}

newsitem {2016-03-29} {Release 3.12.0} {
<p>SQLite [version 3.12.0] is a regularly scheduled maintenance release.
   A notable change in this release is an
   [increase in the default page size] for newly created database files.
   There are also various performance improvements.
   See the [version 3.12.0|change log] for details.