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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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<title>LuaSQL: Database connectivity for the Lua programming language</title>
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<img alt="LuaSQL logo" src="luasql.png"/>
</div>
<div id="product_name"><big><strong>LuaSQL</strong></big></div>
<div id="product_description">Database connectivity for the Lua programming language</div>
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<h1>LuaSQL</h1>
<ul>
<li><a href="index.html">Home</a>
</li>
<li><a href="manual.html">Manual</a>
</li>
<li><a href="examples.html">Examples</a></li>
<li><strong>History</strong></li>
<li><a href="http://github.com/keplerproject/luasql">Project</a>
<ul>
<li><a href="https://github.com/lunarmodules/luasql/issues">Bug Tracker</a></li>
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<li><a href="license.html">License</a></li>
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<div id="content">
<h2><a name="history"></a>History</h2>
<dl class="history">
<dt><strong>LuaSQL 2.7.0</strong> [23/Apr/2025]</dt>
<dd>
<ul>
<li>LuaSQL is adapted to Lua version 5.4 and all the drivers are compatible with To-be-closed variables.</li>
<li>The <code>:close()</code> method now returns false and a string with appropriate message instead of raising an error when there are related open objects.</li>
</ul>
</dd>
<dt><strong>LuaSQL 2.6.1</strong> [07/Feb/2024]</dt>
<dd>
<ul>
<li>Corrected compatibility to Lua versions below 5.3 to SQLite3 (thanks to Daniel McCarney)</li>
</ul>
</dd>
<dt><strong>LuaSQL 2.6.0</strong> [09/Sep/2020]</dt>
<dd>
<ul>
<li>Added read-only mode to SQLite3 and two new methods to MySQL fetch</li>
<li>Added library opening functions to ease the initialization process in C applications</li>
</ul>
</dd>
<dt><strong>LuaSQL 2.5.0</strong> [14/Jun/2019]</dt>
<dd>
<ul>
<li>Added support in MySQL driver for seeking in the result set</li>
<li>Bug-fix on number retrieval on ODBC driver (thanks to Mauro Grassia)</li>
</ul>
</dd>
<dt><strong>LuaSQL 2.4.0</strong> [30/Oct/2018]</dt>
<dd>
<ul>
<li>Added support in MySQL driver for opening a connection based on a Unix socket (thanks to rafis)</li>
<li>Added connection ping method (thanks to rafis)</li>
<li>Added Makefile for mingw (thanks to watercoldyi)</li>
<li>Bug correction on retrieving varchar2 data (thanks to David Gao)</li>
</ul>
</dd>
<dt><strong>LuaSQL 2.3.5</strong> [23/Feb/2017]</dt>
<dd>
<ul>
<li>Added some bug corrections and tested with Lua versions 5.1, 5.2 and 5.3 (only Postgres, MySQL and SQLite were tested by the time of the launch)</li>
</ul>
</dd>
<dt><strong>LuaSQL 2.3.4</strong> [30/Oct/2016]</dt>
<dd>
<ul>
<li>Bug correction in Postgres driver: escaping string bigger than the default buffer are now correctly handled</li>
</ul>
</dd>
<dt><strong>LuaSQL 2.3.3</strong> [16/May/2016]</dt>
<dd>
<ul>
<li>Bug correction in Postgres driver: generating error message after failed connection (thanks to seanpringle)</li>
</ul>
</dd>
<dt><strong>LuaSQL 2.3.2</strong> [14/May/2016]</dt>
<dd>
<ul>
<li>Bug correction in Postgres driver: freeing memory after failed connection opening (thanks to seanpringle)</li>
</ul>
</dd>
<dt><strong>LuaSQL 2.3.1</strong> [28/Mar/2016]</dt>
<dd>
<ul>
<li>Improvement on the Postgres driver to avoid the need of compiler support of dynamic array allocation</li>
</ul>
</dd>
<dt><strong>LuaSQL 2.3.0</strong> [23/May/2012]</dt>
<dd>
<ul>
<li>Added support to compile the drivers for all Lua 5.X versions (only Postgres, MySQL and SQLite were tested by the time of the launch)</li>
<li>Correction on MySQL implementation to honor the close of the cursor when the last row is returned</li>
<li>Drivers:
<ul>
<li>Postgres: tested with versions 8.4 and 9.1</li>
<li>MySQL: tested with version 5.1</li>
<li>SQLite3: tested with version 3.6</li>
<li>Firebird: compiled but not tested</li>
<li>SQLite: adapted but not compiled</li>
<li>ODBC: adapted but not compiled</li>
<li>Oracle/OCI8: adapted but not compiled</li>
<li>ADO: nothing changed</li>
<li>JDBC: nothing changed</li>
</ul>
</li>
</ul>
</dd>
<dt><strong>LuaSQL 2.2.0</strong> [??/??/200?]</dt>
<dd>
<ul>
<li>Added Firebird driver</li>
<li>Added LuaRocks specifications</li>
<li><a href="manual.html#escape">escape</a> method added to some drivers</li>
<li><a href="manual.html#mysql_getlastautoid">getlastautoid</a> method added to MySQL driver</li>
<li><a href="manual.html#cur_fetch">fetch</a> method now closes the cursor when there is no more rows to retrieve</li>
<li>Uniformization of method's return values on all drivers</li>
</ul>
</dd>
<dt><strong>LuaSQL 2.1.1</strong> [29/Oct/2007]</dt>
<dd>
<ul>
<li>Fixed a bug in the SQLite3 error handling (patch by David Burgess)</li>
<li>Fixed bug
<a href="http://github.com/keplerproject/luasql/issues&atid=166&func=detail&aid=1770">[#1770]</a>
for SQLite 3 (found by Enrico Tassi, patch by Marc Nijdam)</li>
<li>Fixed bug
<a href="http://github.com/keplerproject/luasql/issues&atid=166&func=detail&aid=1834">[#1834]</a>
for SQLite 3 (found by Savin Zlobec, patch by Marc Nijdam)</li>
</ul>
</dd>
<dt><strong>LuaSQL 2.1.0</strong> [29/Aug/2007]</dt>
<dd>
<ul>
<li>Added support for SQLite 3</li>
<li>Bug correction: freeing PGresults in the Postgres driver (thanks to Michael Broughton)</li>
<li>Corrected memory leak when no cursor created (thanks to Klaus Ripke)</li>
<li>Corrected bug avoiding duplicate access to stack</li>
</ul>
</dd>
<dt><strong><a href="http://www.keplerproject.org/luasql/2.0/">LuaSQL 2.0.2</a></strong> [26/Jun/2006]</dt>
<dd>
<ul>
<li><a href="manual.html#mysql_extensions">numrows</a> method added to MySQL driver.</li>
<li>Added a <code>config</code> for the <code>makefile</code>.</li>
<li>Added configuration for the UnixODBC driver.</li>
<li>Bug fixes to the SQLite driver (bug found by Mike Petersen).</li>
<li>Bug fixes to the JDBC, OCI8 and ADO drivers.</li>
<li>Improved tests.</li>
<li>Updated documentation.</li>
</ul>
</dd>
<dt><strong><a href="http://www.keplerproject.org/luasql/2.0/">LuaSQL 2.0.1</a></strong> [02/Jun/2005]</dt>
<dd>
<ul>
<li>Bug fixes to the ODBC driver.</li>
</ul>
</dd>
<dt><strong><a href="http://www.keplerproject.org/luasql/2.0/">LuaSQL 2.0.0</a></strong> [22/Mar/2005]</dt>
<dd>
<ul>
<li>Added ADO driver and some bug fixes to the ODBC driver.</li>
</ul>
</dd>
<dt><strong><a href="http://www.keplerproject.org/luasql/2.0/">LuaSQL 2.0 Beta 3</a></strong> [23/Dec/2004]</dt>
<dd>
<ul>
<li>Minor bug fixes.</li>
</ul>
</dd>
<dt><strong><a href="http://www.keplerproject.org/luasql/2.0/">LuaSQL 2.0 Beta 2</a></strong> [26/Nov/2004]</dt>
<dd>
<ul>
<li>Bug fixes</li>
<li>New SQLite and JDBC drivers</li>
<li>LuaSQL now follows the <a href="http://www.keplerproject.org/compat/">package model</a>
for Lua 5.1 (see <a href="manual.html#installation">Installation</a> section for more details).</li>
</ul>
</dd>
<dt><strong><a href="http://www.keplerproject.org/luasql/2.0/">LuaSQL 2.0 Beta</a></strong> [10/Nov/2003]</dt>
</dl>
<h2>Changes from previous versions</h2>
<p>Version 2.x has some design changes and implementation improvements compared to version 1.0:</p>
<ul>
<li>New <code>fetch</code> method: more eficient and more flexible</li>
<li>New <code>setautocommit</code> method</li>
<li>Lua 5.0 and 5.1 compatible</li>
<li>Dynamically loadable or statically linked</li>
<li>New drivers for Oracle and MySQL databases</li>
</ul>
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