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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.rex</a></div>
<h1 title="Interface RexToSqlNodeConverter" class="title">Interface RexToSqlNodeConverter</h1>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Known Implementing Classes:</dt>
<dd><code><a href="RexToSqlNodeConverterImpl.html" title="class in org.apache.calcite.rex">RexToSqlNodeConverterImpl</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">RexToSqlNodeConverter</span></div>
<div class="block">Converts expressions from <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> to <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a>.
<p>For most purposes, <a href="../rel/rel2sql/SqlImplementor.html" title="class in org.apache.calcite.rel.rel2sql"><code>SqlImplementor</code></a>
is superior. See in particular
<a href="../rel/rel2sql/SqlImplementor.Context.html#toSql(org.apache.calcite.rex.RexProgram,org.apache.calcite.rex.RexNode)"><code>SqlImplementor.Context.toSql(RexProgram, RexNode)</code></a>.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
<div id="method-summary-table">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button></div>
<div id="method-summary-table.tabpanel" role="tabpanel">
<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>@Nullable <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#convertCall(org.apache.calcite.rex.RexCall)" class="member-name-link">convertCall</a><wbr>(<a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a>&nbsp;call)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Converts a <a href="RexCall.html" title="class in org.apache.calcite.rex"><code>RexCall</code></a> to a <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a> expression.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>@Nullable <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#convertInputRef(org.apache.calcite.rex.RexInputRef)" class="member-name-link">convertInputRef</a><wbr>(<a href="RexInputRef.html" title="class in org.apache.calcite.rex">RexInputRef</a>&nbsp;ref)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Converts a <a href="RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a> to a <a href="../sql/SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a>.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>@Nullable <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#convertLiteral(org.apache.calcite.rex.RexLiteral)" class="member-name-link">convertLiteral</a><wbr>(<a href="RexLiteral.html" title="class in org.apache.calcite.rex">RexLiteral</a>&nbsp;literal)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Converts a <a href="RexLiteral.html" title="class in org.apache.calcite.rex"><code>RexLiteral</code></a> to a <a href="../sql/SqlLiteral.html" title="class in org.apache.calcite.sql"><code>SqlLiteral</code></a>.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>@Nullable <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#convertNode(org.apache.calcite.rex.RexNode)" class="member-name-link">convertNode</a><wbr>(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Converts a <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> to a <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a> expression,
typically by dispatching to one of the other interface methods.</div>
</div>
</div>
</div>
</div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="convertNode(org.apache.calcite.rex.RexNode)">
<h3>convertNode</h3>
<div class="member-signature"><span class="return-type">@Nullable <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="element-name">convertNode</span><wbr><span class="parameters">(<a href="RexNode.html" title="class in org.apache.calcite.rex">RexNode</a>&nbsp;node)</span></div>
<div class="block">Converts a <a href="RexNode.html" title="class in org.apache.calcite.rex"><code>RexNode</code></a> to a <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a> expression,
typically by dispatching to one of the other interface methods.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>node</code> - RexNode to translate</dd>
<dt>Returns:</dt>
<dd>SqlNode, or null if no translation was available</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="convertCall(org.apache.calcite.rex.RexCall)">
<h3>convertCall</h3>
<div class="member-signature"><span class="return-type">@Nullable <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="element-name">convertCall</span><wbr><span class="parameters">(<a href="RexCall.html" title="class in org.apache.calcite.rex">RexCall</a>&nbsp;call)</span></div>
<div class="block">Converts a <a href="RexCall.html" title="class in org.apache.calcite.rex"><code>RexCall</code></a> to a <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a> expression.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>call</code> - RexCall to translate</dd>
<dt>Returns:</dt>
<dd>SqlNode, or null if no translation was available</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="convertLiteral(org.apache.calcite.rex.RexLiteral)">
<h3>convertLiteral</h3>
<div class="member-signature"><span class="return-type">@Nullable <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="element-name">convertLiteral</span><wbr><span class="parameters">(<a href="RexLiteral.html" title="class in org.apache.calcite.rex">RexLiteral</a>&nbsp;literal)</span></div>
<div class="block">Converts a <a href="RexLiteral.html" title="class in org.apache.calcite.rex"><code>RexLiteral</code></a> to a <a href="../sql/SqlLiteral.html" title="class in org.apache.calcite.sql"><code>SqlLiteral</code></a>.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>literal</code> - RexLiteral to translate</dd>
<dt>Returns:</dt>
<dd>SqlNode, or null if no translation was available</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="convertInputRef(org.apache.calcite.rex.RexInputRef)">
<h3>convertInputRef</h3>
<div class="member-signature"><span class="return-type">@Nullable <a href="../sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="element-name">convertInputRef</span><wbr><span class="parameters">(<a href="RexInputRef.html" title="class in org.apache.calcite.rex">RexInputRef</a>&nbsp;ref)</span></div>
<div class="block">Converts a <a href="RexInputRef.html" title="class in org.apache.calcite.rex"><code>RexInputRef</code></a> to a <a href="../sql/SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a>.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>ref</code> - RexInputRef to translate</dd>
<dt>Returns:</dt>
<dd>SqlNode, or null if no translation was available</dd>
</dl>
</section>
</li>
</ul>
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</li>
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