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<a href="#func-members">Functions</a> </div>
<div class="headertitle"><div class="title">attribute.c File Reference</div></div>
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<p><a class="el" href="structAttribute.html">Attribute</a> implementation for the Relational Algebra Engine.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include <stdio.h></code><br />
<code>#include <stdlib.h></code><br />
<code>#include <string.h></code><br />
<code>#include "<a class="el" href="attribute_8h_source.html">attribute.h</a>"</code><br />
<code>#include "<a class="el" href="set_8h_source.html">set.h</a>"</code><br />
</div><div class="textblock"><div class="dynheader">
Include dependency graph for attribute.c:</div>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a90566af01d8bb56b95be836bc00d60c5" id="r_a90566af01d8bb56b95be836bc00d60c5"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structAttribute.html">Attribute</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="attribute_8c.html#a90566af01d8bb56b95be836bc00d60c5">attribute_create</a> (const char *name, <a class="el" href="attribute_8h.html#a349a9cde14be8097df865ba0469c0ab2">AttributeType</a> type, void *value)</td></tr>
<tr class="memdesc:a90566af01d8bb56b95be836bc00d60c5"><td class="mdescLeft"> </td><td class="mdescRight">Create a new <a class="el" href="structAttribute.html">Attribute</a>. <br /></td></tr>
<tr class="separator:a90566af01d8bb56b95be836bc00d60c5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6124728ac9f45169d48d4ad0a2734e8e" id="r_a6124728ac9f45169d48d4ad0a2734e8e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="attribute_8c.html#a6124728ac9f45169d48d4ad0a2734e8e">attribute_destroy</a> (<a class="el" href="structAttribute.html">Attribute</a> *attr)</td></tr>
<tr class="memdesc:a6124728ac9f45169d48d4ad0a2734e8e"><td class="mdescLeft"> </td><td class="mdescRight">Destroy an <a class="el" href="structAttribute.html">Attribute</a> and free its memory. <br /></td></tr>
<tr class="separator:a6124728ac9f45169d48d4ad0a2734e8e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abf605ec06c2893a3ec8069359146a2fd" id="r_abf605ec06c2893a3ec8069359146a2fd"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="attribute_8c.html#abf605ec06c2893a3ec8069359146a2fd">attribute_print</a> (const <a class="el" href="structAttribute.html">Attribute</a> *attr)</td></tr>
<tr class="memdesc:abf605ec06c2893a3ec8069359146a2fd"><td class="mdescLeft"> </td><td class="mdescRight">Print an <a class="el" href="structAttribute.html">Attribute</a> to stdout. <br /></td></tr>
<tr class="separator:abf605ec06c2893a3ec8069359146a2fd"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="structAttribute.html">Attribute</a> implementation for the Relational Algebra Engine. </p>
<p>Handles creation, destruction, and printing of attributes, which are name-value pairs used as the basic building blocks of tuples in the relational model. </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a90566af01d8bb56b95be836bc00d60c5" name="a90566af01d8bb56b95be836bc00d60c5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a90566af01d8bb56b95be836bc00d60c5">◆ </a></span>attribute_create()</h2>
<div class="memitem">
<div class="memproto">
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<td class="memname"><a class="el" href="structAttribute.html">Attribute</a> * attribute_create </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="attribute_8h.html#a349a9cde14be8097df865ba0469c0ab2">AttributeType</a> </td>
<td class="paramname"><em>type</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>value</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Create a new <a class="el" href="structAttribute.html">Attribute</a>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">name</td><td>Name of the attribute (copied). </td></tr>
<tr><td class="paramname">type</td><td>Type of the attribute (see AttributeType). </td></tr>
<tr><td class="paramname">value</td><td>Pointer to the value (ownership is taken). </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Pointer to the new <a class="el" href="structAttribute.html">Attribute</a>, or NULL on failure. </dd></dl>
</div>
</div>
<a id="a6124728ac9f45169d48d4ad0a2734e8e" name="a6124728ac9f45169d48d4ad0a2734e8e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6124728ac9f45169d48d4ad0a2734e8e">◆ </a></span>attribute_destroy()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void attribute_destroy </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structAttribute.html">Attribute</a> * </td>
<td class="paramname"><em>attr</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Destroy an <a class="el" href="structAttribute.html">Attribute</a> and free its memory. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">attr</td><td>Pointer to the <a class="el" href="structAttribute.html">Attribute</a> to destroy. Safe to pass NULL. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="abf605ec06c2893a3ec8069359146a2fd" name="abf605ec06c2893a3ec8069359146a2fd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abf605ec06c2893a3ec8069359146a2fd">◆ </a></span>attribute_print()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void attribute_print </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structAttribute.html">Attribute</a> * </td>
<td class="paramname"><em>attr</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Print an <a class="el" href="structAttribute.html">Attribute</a> to stdout. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">attr</td><td>Pointer to the <a class="el" href="structAttribute.html">Attribute</a> to print. </td></tr>
</table>
</dd>
</dl>
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