133 lines
5.4 KiB
HTML
133 lines
5.4 KiB
HTML
<!DOCTYPE html>
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<html><head>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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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 3.8.2 On 2013-12-06</title>
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<!-- path=../ -->
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</head>
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<body>
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<div class=nosearch>
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<a href="../index.html">
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<img class="logo" src="../images/sqlite370_banner.gif" alt="SQLite" border="0">
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</a>
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<div><!-- IE hack to prevent disappearing logo --></div>
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<div class="tagline desktoponly">
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Small. Fast. Reliable.<br>Choose any three.
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</div>
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<div class="menu mainmenu">
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<ul>
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<li><a href="../index.html">Home</a>
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<li><a href='../about.html'>About</a>
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<li><a href='../docs.html'>Documentation</a>
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<li><a href='../download.html'>Download</a>
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<li><a href='../support.html'>Support</a>
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<option value="d">Search Documentation</option>
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<option value="c">Search Changelog</option>
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setTimeout(function(){
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document.getElementById("searchbox").focus()
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}
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window.onbeforeunload = function(e){div_off("submenu");}
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</script>
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</div>
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<h2>SQLite Release 3.8.2 On 2013-12-06</h2><p><ol class='lessindent'>
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<li>Changed the defined behavior for the <a href="../lang_expr.html#castexpr">CAST expression</a> when floating point values
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greater than +9223372036854775807 are cast into into integers so that the
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result is the largest possible integer, +9223372036854775807, instead of
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the smallest possible integer, -9223372036854775808. After this change,
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CAST(9223372036854775809.0 as INT) yields +9223372036854775807 instead
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of -9223372036854775808.
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<b><big>←</big> Potentially Incompatible Change!</b>
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<li>Added support for <a href="../withoutrowid.html">WITHOUT ROWID</a> tables.
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<li>Added the <a href="../optoverview.html#skipscan">skip-scan optimization</a> to the query planner.
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<li>Extended the <a href="../vtab.html">virtual table</a> interface, and in particular the
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<a href="../c3ref/index_info.html">sqlite3_index_info</a> object to allow a virtual table to report its estimate
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on the number of rows that will be returned by a query.
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<li>Update the <a href="../rtree.html">R-Tree extension</a> to make use of the enhanced virtual table
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interface.
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<li>Add the <a href="../compile.html#enable_explain_comments">SQLITE_ENABLE_EXPLAIN_COMMENTS</a> compile-time option.
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<li>Enhanced the comments that are inserted into <a href="../lang_explain.html">EXPLAIN</a> output when the
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<a href="../compile.html#enable_explain_comments">SQLITE_ENABLE_EXPLAIN_COMMENTS</a> compile-time option is enabled.
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<li>Performance enhancements in the VDBE, especially to the OP_Column opcode.
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<li>Factor constant subexpressions in inner loops out to the initialization code
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in prepared statements.
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<li>Enhanced the ".explain" output formatting of the <a href="../cli.html">command-line shell</a>
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so that loops are indented to better show the structure of the program.
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<li>Enhanced the ".timer" feature of the <a href="../cli.html">command-line shell</a> so that it
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shows wall-clock time in addition to system and user times.
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<li>SQLITE_SOURCE_ID:
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"2013-12-06 14:53:30 27392118af4c38c5203a04b8013e1afdb1cebd0d"
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<li>SHA1 for sqlite3.c: 6422c7d69866f5ea3db0968f67ee596e7114544e
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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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