162 lines
8.0 KiB
HTML
162 lines
8.0 KiB
HTML
<!DOCTYPE html>
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<title>SQLite Release 3.8.11.1 On 2015-07-29</title>
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Small. Fast. Reliable.<br>Choose any three.
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<h2>SQLite Release 3.8.11.1 On 2015-07-29</h2><p><b>Changes in version 3.8.11 (2015-07-27):</b></p>
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<p><ol class='lessindent'>
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<li value='1'>Added the experimental <a href="../rbu.html">RBU</a> extension. Note that this extension is experimental
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and subject to change in incompatible ways.
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<li>Added the experimental <a href="../fts5.html">FTS5</a> extension. Note that this extension is experimental
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and subject to change in incompatible ways.
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<li>Added the <a href="../c3ref/value_dup.html">sqlite3_value_dup()</a> and <a href="../c3ref/value_dup.html">sqlite3_value_free()</a> interfaces.
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<li>Enhance the <a href="../spellfix1.html">spellfix1</a> extension to support <a href="../lang_conflict.html">ON CONFLICT</a> clauses.
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<li>The <a href="../lang_expr.html#isisnot">IS operator</a> is now able to drive indexes.
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<li>Enhance the query planner to permit <a href="../optoverview.html#autoindex">automatic indexing</a> on FROM-clause
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subqueries that are implemented by co-routine.
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<li>Disallow the use of "rowid" in <a href="../lang_with.html">common table expressions</a>.
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<li>Added the <a href="../pragma.html#pragma_cell_size_check">PRAGMA cell_size_check</a> command for better and earlier
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detection of database file corruption.
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<li>Added the <a href="../fts3.html#matchinfo-b">matchinfo 'b' flag</a> to the <a href="../fts3.html#matchinfo">matchinfo()</a> function in <a href="../fts3.html">FTS3</a>.
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<li>Improved fuzz-testing of database files, with fixes for problems found.
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<li>Add the fuzzcheck test program and automatically run this program
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using both SQL and database test cases on "make test".
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<li>Added the <a href="../c3ref/c_mutex_fast.html">SQLITE_MUTEX_STATIC_VFS1</a> static mutex and use it in the
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Windows <a href="../vfs.html">VFS</a>.
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<li>The <a href="../c3ref/profile.html">sqlite3_profile()</a> callback is invoked (by <a href="../c3ref/reset.html">sqlite3_reset()</a> or
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<a href="../c3ref/finalize.html">sqlite3_finalize()</a>) for statements that did not run to completion.
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<li>Enhance the page cache so that it can preallocate a block of memory to
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use for the initial set page cache lines. Set the default preallocation
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to 100 pages. Yields about a 5% performance increase on common workloads.
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<li>Miscellaneous micro-optimizations result in 22.3% more work for the same
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number of CPU cycles relative to the previous release.
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SQLite now runs twice as fast as <a href="../releaselog/3_8_0.html">version 3.8.0</a> and three times as
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fast as <a href="../releaselog/3_3_9.html">version 3.3.9</a>.
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(Measured using
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<a href="http://valgrind.org/docs/manual/cg-manual.html">cachegrind</a> on the
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<a href="http://www.sqlite.org/src/artifact/83f6b3318f7ee">speedtest1.c</a> workload on
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Ubuntu 14.04 x64 with gcc 4.8.2 and -Os. Your performance may vary.)
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<li>Added the <a href="../c3ref/result_blob.html">sqlite3_result_zeroblob64()</a> and <a href="../c3ref/bind_blob.html">sqlite3_bind_zeroblob64()</a>
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interfaces.
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<p><b>Important bug fixes:</b>
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<li>Fix <a href="../lang_createtable.html#createtabas">CREATE TABLE AS</a> so that columns of type TEXT never end up
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holding an INT value. Ticket
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<a href="https://www.sqlite.org/src/info/f2ad7de056ab1dc9200">f2ad7de056ab1dc9200</a>
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<li>Fix <a href="../lang_createtable.html#createtabas">CREATE TABLE AS</a> so that it does not leave NULL entries in the
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<a href="../schematab.html">sqlite_master table</a> if the SELECT statement on the right-hand side
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aborts with an error. Ticket
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<a href="https://www.sqlite.org/src/info/873cae2b6e25b">873cae2b6e25b</a>
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<li>Fix the <a href="../optoverview.html#skipscan">skip-scan optimization</a> so that it works correctly when
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the <a href="../optoverview.html#or_opt">OR optimization</a> is used on <a href="../withoutrowid.html">WITHOUT ROWID</a> tables. Ticket
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<a href="https://www.sqlite.org/src/info/8fd39115d8f46">8fd39115d8f46</a>
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<li>Fix the <a href="../c3ref/memory_highwater.html">sqlite3_memory_used()</a> and <a href="../c3ref/memory_highwater.html">sqlite3_memory_highwater()</a> interfaces
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so that they actually do provide a 64-bit answer.
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</ol>
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<p><b>Additional changes in version 3.8.11.1:</b></p>
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<p><ol class='lessindent'>
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<li value='21'>Restore an undocumented side-effect of <a href="../pragma.html#pragma_cache_size">PRAGMA cache_size</a>: force
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the database schema to be parsed if the database has not been previously accessed.
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<li>Fix a long-standing problem in <a href="../c3ref/changes.html">sqlite3_changes()</a> for <a href="../withoutrowid.html">WITHOUT ROWID</a>
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tables that was reported a few hours after the 3.8.11 release.
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<li>SQLITE_SOURCE_ID: "2015-07-29 20:00:57 cf538e2783e468bbc25e7cb2a9ee64d3e0e80b2f"
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<li>SHA1 for sqlite3.c: 3be71d99121fe5b17f057011025bcf84e7cc6c84
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</ol></p>
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<p>A <a href="../changes.html">complete list of SQLite releases</a>
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in a single page and a <a href="../chronology.html">chronology</a> are both also available.
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A detailed history of every
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check-in is available at
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<a href="http://www.sqlite.org/src/timeline">
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SQLite version control site</a>.</p>
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