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<li class="navelem"><b>iceberg</b></li><li class="navelem"><a class="el" href="classiceberg_1_1ReferenceVisitor.html">ReferenceVisitor</a></li> </ul>
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<div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
<a href="classiceberg_1_1ReferenceVisitor-members.html">List of all members</a> </div>
<div class="headertitle"><div class="title">iceberg::ReferenceVisitor Class Reference</div></div>
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<p>Visitor to collect referenced field IDs from an expression.
<a href="classiceberg_1_1ReferenceVisitor.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="binder_8h_source.html">binder.h</a>&gt;</code></p>
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Inheritance diagram for iceberg::ReferenceVisitor:</div>
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<img src="classiceberg_1_1ReferenceVisitor.png" usemap="#iceberg::ReferenceVisitor_map" alt=""/>
<map id="iceberg::ReferenceVisitor_map" name="iceberg::ReferenceVisitor_map">
<area href="classiceberg_1_1ExpressionVisitor.html" alt="iceberg::ExpressionVisitor&lt; FieldIdsSetRef &gt;" shape="rect" coords="0,0,264,24"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a0b953832375a4d9fcecedde8ae2281a2" id="r_a0b953832375a4d9fcecedde8ae2281a2"><td class="memItemLeft" align="right" valign="top">Result&lt; FieldIdsSetRef &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ReferenceVisitor.html#a0b953832375a4d9fcecedde8ae2281a2">AlwaysTrue</a> () override</td></tr>
<tr class="memdesc:a0b953832375a4d9fcecedde8ae2281a2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Visit a <a class="el" href="classiceberg_1_1True.html" title="An Expression that is always true.">True</a> expression (always evaluates to true). <br /></td></tr>
<tr class="separator:a0b953832375a4d9fcecedde8ae2281a2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae5b76e04dde78755ecc7396c4d302a76" id="r_ae5b76e04dde78755ecc7396c4d302a76"><td class="memItemLeft" align="right" valign="top">Result&lt; FieldIdsSetRef &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ReferenceVisitor.html#ae5b76e04dde78755ecc7396c4d302a76">AlwaysFalse</a> () override</td></tr>
<tr class="memdesc:ae5b76e04dde78755ecc7396c4d302a76"><td class="mdescLeft">&#160;</td><td class="mdescRight">Visit a <a class="el" href="classiceberg_1_1False.html" title="An expression that is always false.">False</a> expression (always evaluates to false). <br /></td></tr>
<tr class="separator:ae5b76e04dde78755ecc7396c4d302a76"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0f6516597a46b3b2db36ac572144d06b" id="r_a0f6516597a46b3b2db36ac572144d06b"><td class="memItemLeft" align="right" valign="top"><a id="a0f6516597a46b3b2db36ac572144d06b" name="a0f6516597a46b3b2db36ac572144d06b"></a>
Result&lt; FieldIdsSetRef &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>Not</b> (const FieldIdsSetRef &amp;child_result) override</td></tr>
<tr class="separator:a0f6516597a46b3b2db36ac572144d06b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4e8e3247916a1c69382032835c8f53ce" id="r_a4e8e3247916a1c69382032835c8f53ce"><td class="memItemLeft" align="right" valign="top"><a id="a4e8e3247916a1c69382032835c8f53ce" name="a4e8e3247916a1c69382032835c8f53ce"></a>
Result&lt; FieldIdsSetRef &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>And</b> (const FieldIdsSetRef &amp;left_result, const FieldIdsSetRef &amp;right_result) override</td></tr>
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<tr class="memitem:a0b13a36f58519597655e6f1be0a1490b" id="r_a0b13a36f58519597655e6f1be0a1490b"><td class="memItemLeft" align="right" valign="top"><a id="a0b13a36f58519597655e6f1be0a1490b" name="a0b13a36f58519597655e6f1be0a1490b"></a>
Result&lt; FieldIdsSetRef &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>Or</b> (const FieldIdsSetRef &amp;left_result, const FieldIdsSetRef &amp;right_result) override</td></tr>
<tr class="separator:a0b13a36f58519597655e6f1be0a1490b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab00f6bdb46bcb2c2d70adf525bbda53d" id="r_ab00f6bdb46bcb2c2d70adf525bbda53d"><td class="memItemLeft" align="right" valign="top">Result&lt; FieldIdsSetRef &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ReferenceVisitor.html#ab00f6bdb46bcb2c2d70adf525bbda53d">Predicate</a> (const std::shared_ptr&lt; <a class="el" href="classiceberg_1_1BoundPredicate.html">BoundPredicate</a> &gt; &amp;pred) override</td></tr>
<tr class="memdesc:ab00f6bdb46bcb2c2d70adf525bbda53d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Visit a bound predicate. <br /></td></tr>
<tr class="separator:ab00f6bdb46bcb2c2d70adf525bbda53d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae9d28e70b081213b6613136be7d0ce3b" id="r_ae9d28e70b081213b6613136be7d0ce3b"><td class="memItemLeft" align="right" valign="top">Result&lt; FieldIdsSetRef &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ReferenceVisitor.html#ae9d28e70b081213b6613136be7d0ce3b">Predicate</a> (const std::shared_ptr&lt; <a class="el" href="classiceberg_1_1UnboundPredicate.html">UnboundPredicate</a> &gt; &amp;pred) override</td></tr>
<tr class="memdesc:ae9d28e70b081213b6613136be7d0ce3b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Visit an unbound predicate. <br /></td></tr>
<tr class="separator:ae9d28e70b081213b6613136be7d0ce3b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad36efac34ffffc2a12adc29f1c4fc2a9" id="r_ad36efac34ffffc2a12adc29f1c4fc2a9"><td class="memItemLeft" align="right" valign="top">Result&lt; FieldIdsSetRef &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ReferenceVisitor.html#ad36efac34ffffc2a12adc29f1c4fc2a9">Aggregate</a> (const std::shared_ptr&lt; <a class="el" href="classiceberg_1_1BoundAggregate.html">BoundAggregate</a> &gt; &amp;aggregate) override</td></tr>
<tr class="memdesc:ad36efac34ffffc2a12adc29f1c4fc2a9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Visit a bound aggregate. <br /></td></tr>
<tr class="separator:ad36efac34ffffc2a12adc29f1c4fc2a9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a38b63773662fdb9955e126bbe2596e3b" id="r_a38b63773662fdb9955e126bbe2596e3b"><td class="memItemLeft" align="right" valign="top">Result&lt; FieldIdsSetRef &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ReferenceVisitor.html#a38b63773662fdb9955e126bbe2596e3b">Aggregate</a> (const std::shared_ptr&lt; <a class="el" href="classiceberg_1_1UnboundAggregate.html">UnboundAggregate</a> &gt; &amp;aggregate) override</td></tr>
<tr class="memdesc:a38b63773662fdb9955e126bbe2596e3b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Visit an unbound aggregate. <br /></td></tr>
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<tr class="inherit_header pub_methods_classiceberg_1_1ExpressionVisitor"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classiceberg_1_1ExpressionVisitor')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classiceberg_1_1ExpressionVisitor.html">iceberg::ExpressionVisitor&lt; FieldIdsSetRef &gt;</a></td></tr>
<tr class="memitem:a3785b1824deecc35b76c64ae6bb57f23 inherit pub_methods_classiceberg_1_1ExpressionVisitor" id="r_a3785b1824deecc35b76c64ae6bb57f23"><td class="memItemLeft" align="right" valign="top">virtual Result&lt; FieldIdsSetRef &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ExpressionVisitor.html#a3785b1824deecc35b76c64ae6bb57f23">Not</a> (ParamType child_result)=0</td></tr>
<tr class="memdesc:a3785b1824deecc35b76c64ae6bb57f23 inherit pub_methods_classiceberg_1_1ExpressionVisitor"><td class="mdescLeft">&#160;</td><td class="mdescRight">Visit a <a class="el" href="classiceberg_1_1Not.html" title="An Expression that represents logical NOT operation.">Not</a> expression. <br /></td></tr>
<tr class="separator:a3785b1824deecc35b76c64ae6bb57f23 inherit pub_methods_classiceberg_1_1ExpressionVisitor"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a134636ef9aac1bbf8ade254e1c1c24d6 inherit pub_methods_classiceberg_1_1ExpressionVisitor" id="r_a134636ef9aac1bbf8ade254e1c1c24d6"><td class="memItemLeft" align="right" valign="top">virtual Result&lt; FieldIdsSetRef &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ExpressionVisitor.html#a134636ef9aac1bbf8ade254e1c1c24d6">And</a> (ParamType left_result, ParamType right_result)=0</td></tr>
<tr class="memdesc:a134636ef9aac1bbf8ade254e1c1c24d6 inherit pub_methods_classiceberg_1_1ExpressionVisitor"><td class="mdescLeft">&#160;</td><td class="mdescRight">Visit an <a class="el" href="classiceberg_1_1And.html" title="An Expression that represents a logical AND operation between two expressions.">And</a> expression. <br /></td></tr>
<tr class="separator:a134636ef9aac1bbf8ade254e1c1c24d6 inherit pub_methods_classiceberg_1_1ExpressionVisitor"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa21a66f372f1b32f94d8be2bb5643440 inherit pub_methods_classiceberg_1_1ExpressionVisitor" id="r_aa21a66f372f1b32f94d8be2bb5643440"><td class="memItemLeft" align="right" valign="top">virtual Result&lt; FieldIdsSetRef &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ExpressionVisitor.html#aa21a66f372f1b32f94d8be2bb5643440">Or</a> (ParamType left_result, ParamType right_result)=0</td></tr>
<tr class="memdesc:aa21a66f372f1b32f94d8be2bb5643440 inherit pub_methods_classiceberg_1_1ExpressionVisitor"><td class="mdescLeft">&#160;</td><td class="mdescRight">Visit an <a class="el" href="classiceberg_1_1Or.html" title="An Expression that represents a logical OR operation between two expressions.">Or</a> expression. <br /></td></tr>
<tr class="separator:aa21a66f372f1b32f94d8be2bb5643440 inherit pub_methods_classiceberg_1_1ExpressionVisitor"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-static-methods" name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:a48efb8576058a1dfc631a1de34af6c27" id="r_a48efb8576058a1dfc631a1de34af6c27"><td class="memItemLeft" align="right" valign="top"><a id="a48efb8576058a1dfc631a1de34af6c27" name="a48efb8576058a1dfc631a1de34af6c27"></a>
static Result&lt; std::unordered_set&lt; int32_t &gt; &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>GetReferencedFieldIds</b> (const std::shared_ptr&lt; <a class="el" href="classiceberg_1_1Expression.html">Expression</a> &gt; &amp;expr)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Visitor to collect referenced field IDs from an expression. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ad36efac34ffffc2a12adc29f1c4fc2a9">&#9670;&#160;</a></span>Aggregate() <span class="overload">[1/2]</span></h2>
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<td class="memname">Result&lt; FieldIdsSetRef &gt; iceberg::ReferenceVisitor::Aggregate </td>
<td>(</td>
<td class="paramtype">const std::shared_ptr&lt; <a class="el" href="classiceberg_1_1BoundAggregate.html">BoundAggregate</a> &gt; &amp;&#160;</td>
<td class="paramname"><em>aggregate</em></td><td>)</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>Visit a bound aggregate. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">aggregate</td><td>The bound aggregate to visit. </td></tr>
</table>
</dd>
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<p>Reimplemented from <a class="el" href="classiceberg_1_1ExpressionVisitor.html#a4a7c83473af339c9c64cef5e9f3947ee">iceberg::ExpressionVisitor&lt; FieldIdsSetRef &gt;</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a38b63773662fdb9955e126bbe2596e3b">&#9670;&#160;</a></span>Aggregate() <span class="overload">[2/2]</span></h2>
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<td class="memname">Result&lt; FieldIdsSetRef &gt; iceberg::ReferenceVisitor::Aggregate </td>
<td>(</td>
<td class="paramtype">const std::shared_ptr&lt; <a class="el" href="classiceberg_1_1UnboundAggregate.html">UnboundAggregate</a> &gt; &amp;&#160;</td>
<td class="paramname"><em>aggregate</em></td><td>)</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>Visit an unbound aggregate. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">aggregate</td><td>The unbound aggregate to visit. </td></tr>
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</dd>
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<p>Reimplemented from <a class="el" href="classiceberg_1_1ExpressionVisitor.html#a699e13e4420928256b3fb08a87674a9f">iceberg::ExpressionVisitor&lt; FieldIdsSetRef &gt;</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae5b76e04dde78755ecc7396c4d302a76">&#9670;&#160;</a></span>AlwaysFalse()</h2>
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<td class="memname">Result&lt; FieldIdsSetRef &gt; iceberg::ReferenceVisitor::AlwaysFalse </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<p>Visit a <a class="el" href="classiceberg_1_1False.html" title="An expression that is always false.">False</a> expression (always evaluates to false). </p>
<p>Implements <a class="el" href="classiceberg_1_1ExpressionVisitor.html#aa6abb6e1020467e2ab3a2e17563990be">iceberg::ExpressionVisitor&lt; FieldIdsSetRef &gt;</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0b953832375a4d9fcecedde8ae2281a2">&#9670;&#160;</a></span>AlwaysTrue()</h2>
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<td class="memname">Result&lt; FieldIdsSetRef &gt; iceberg::ReferenceVisitor::AlwaysTrue </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<p>Visit a <a class="el" href="classiceberg_1_1True.html" title="An Expression that is always true.">True</a> expression (always evaluates to true). </p>
<p>Implements <a class="el" href="classiceberg_1_1ExpressionVisitor.html#aed1c555ca56ff0aaa898d31aa52f7287">iceberg::ExpressionVisitor&lt; FieldIdsSetRef &gt;</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ab00f6bdb46bcb2c2d70adf525bbda53d">&#9670;&#160;</a></span>Predicate() <span class="overload">[1/2]</span></h2>
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<td class="memname">Result&lt; FieldIdsSetRef &gt; iceberg::ReferenceVisitor::Predicate </td>
<td>(</td>
<td class="paramtype">const std::shared_ptr&lt; <a class="el" href="classiceberg_1_1BoundPredicate.html">BoundPredicate</a> &gt; &amp;&#160;</td>
<td class="paramname"><em>pred</em></td><td>)</td>
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<p>Visit a bound predicate. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">pred</td><td>The bound predicate to visit </td></tr>
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</dd>
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<p>Implements <a class="el" href="classiceberg_1_1ExpressionVisitor.html#ae15b69bbbd82d8c0b941cb4bc3324fc4">iceberg::ExpressionVisitor&lt; FieldIdsSetRef &gt;</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae9d28e70b081213b6613136be7d0ce3b">&#9670;&#160;</a></span>Predicate() <span class="overload">[2/2]</span></h2>
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<td class="memname">Result&lt; FieldIdsSetRef &gt; iceberg::ReferenceVisitor::Predicate </td>
<td>(</td>
<td class="paramtype">const std::shared_ptr&lt; <a class="el" href="classiceberg_1_1UnboundPredicate.html">UnboundPredicate</a> &gt; &amp;&#160;</td>
<td class="paramname"><em>pred</em></td><td>)</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>Visit an unbound predicate. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">pred</td><td>The unbound predicate to visit </td></tr>
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<p>Implements <a class="el" href="classiceberg_1_1ExpressionVisitor.html#a1c01ceb403a5c6e2706f9b197d729ead">iceberg::ExpressionVisitor&lt; FieldIdsSetRef &gt;</a>.</p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>iceberg/expression/<a class="el" href="binder_8h_source.html">binder.h</a></li>
<li>iceberg/expression/<b>binder.cc</b></li>
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