164 lines
7.2 KiB
HTML
164 lines
7.2 KiB
HTML
<!DOCTYPE html>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<link href="../sqlite.css" rel="stylesheet">
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<title>SQLite Release 3.8.4.3 On 2014-04-03</title>
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</head>
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<body>
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<div class=nosearch>
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Small. Fast. Reliable.<br>Choose any three.
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<li><a href="../index.html">Home</a>
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</div>
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<h2>SQLite Release 3.8.4.3 On 2014-04-03</h2><p><b>Changes in version 3.8.4 (2014-03-10):</b></p>
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<p><ol class='lessindent'>
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<li value='1'>Code optimization and refactoring for improved performance.
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<li>Add the ".clone" and ".save" commands to the command-line shell.
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<li>Update the banner on the command-line shell to alert novice users when they
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are using an ephemeral in-memory database.
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<li>Fix editline support in the command-line shell.
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<li>Add support for coverage testing of VDBE programs using the
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<a href="../c3ref/c_testctrl_always.html">SQLITE_TESTCTRL_VDBE_COVERAGE</a> verb of <a href="../c3ref/test_control.html">sqlite3_test_control()</a>.
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<li>Update the _FILE_OFFSET_BITS macro so that builds work again on QNX.
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<li>Change the datatype of SrcList.nSrc from type u8 to type int to work around
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an issue in the C compiler on AIX.
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<li>Get extension loading working on Cygwin.
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<li>Bug fix: Fix the <a href="../lang_corefunc.html#char">char()</a> SQL function so that it returns an empty string
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rather than an "out of memory" error when called with zero arguments.
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<li>Bug fix: DISTINCT now recognizes that a <a href="../lang_corefunc.html#zeroblob">zeroblob</a> and a blob of all
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0x00 bytes are the same thing.
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<a href="http://www.sqlite.org/src/info/fccbde530a">Ticket [fccbde530a]</a>
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<li>Bug fix: Compute the correct answer for queries that contain an IS NOT NULL
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term in the WHERE clause and also contain an OR term in the WHERE clause and
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are compiled with <a href="../compile.html#enable_stat4">SQLITE_ENABLE_STAT4</a>.
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<a href="http://www.sqlite.org/src/info/4c86b126f2">Ticket [4c86b126f2]</a>
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<li>Bug fix: Make sure "rowid" columns are correctly resolved in joins between
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normal tables and WITHOUT ROWID tables.
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<a href="http://www.sqlite.org/src/info/c34d0557f7">Ticket [c34d0557f7]</a>
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<li>Bug fix: Make sure the same temporary registers are not used in concurrent
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co-routines used to implement compound SELECT statements containing ORDER
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BY clauses, as such use can lead to incorrect answers.
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<a href="http://www.sqlite.org/src/info/8c63ff0eca">Ticket [8c63ff0eca]</a>
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<li>Bug fix: Ensure that "ORDER BY random()" clauses do not get optimized out.
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<a href="http://www.sqlite.org/src/info/65bdeb9739">Ticket [65bdeb9739]</a>
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<li>Bug fix: Repair a name-resolution error that can occur in sub-select statements
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contained within a TRIGGER.
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<a href="http://www.sqlite.org/src/info/4ef7e3cfca">Ticket [4ef7e3cfca]</a>
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<li>Bug fix: Fix column default values expressions of the form
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"DEFAULT(-(-9223372036854775808))" so that they work correctly, initializing
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the column to a floating point value approximately equal to
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+9223372036854775808.0.
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</ol>
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<p><b>Additional changes in version 3.8.4.1 (2014-03-11):</b></p>
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<p><ol class='lessindent'>
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<li value='17'>Work around a C-preprocessor macro conflict that breaks the build for some
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configurations with Microsoft Visual Studio.
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<li>When computing the cost of the <a href="../optoverview.html#skipscan">skip-scan optimization</a>, take into account the
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fact that multiple seeks are required.
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</ol>
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<p><b>Additional changes in version 3.8.4.2 (2014-03-26):</b></p>
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<p><ol class='lessindent'>
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<li value='19'>Fix a potential buffer overread that could result when trying to search a
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corrupt database file.
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</ol>
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<p><b>Additional changes in version 3.8.4.3:</b></p>
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<p><ol class='lessindent'>
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<li value='20'>Add a
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<a href="http://www.sqlite.org/src/fdiff?sbs=1&v1=7d539cedb1c&v2=ebad891b7494d&smhdr">one-character fix</a>
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for a problem that might cause incorrect query results on a query that mixes
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DISTINCT, GROUP BY in a subquery, and ORDER BY.
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<a href="http://www.sqlite.org/src/info/98825a79ce1456863">Ticket 98825a79ce14</a>.
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<li>SQLITE_SOURCE_ID: "2014-04-03 16:53:12 a611fa96c4a848614efe899130359c9f6fb889c3"
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<li>SHA1 for sqlite3.c: 310a1faeb9332a3cd8d1f53b4a2e055abf537bdc
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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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