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| <h2 title="Interface SqlBasicVisitor.ArgHandler" class="title">Interface SqlBasicVisitor.ArgHandler<R></h2> |
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| <dd><code>R</code> - result type</dd> |
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| <dd><code><a href="SqlBasicVisitor.ArgHandlerImpl.html" title="class in org.apache.calcite.sql.util">SqlBasicVisitor.ArgHandlerImpl</a></code>, <code><a href="SqlShuttle.CallCopyingArgHandler.html" title="class in org.apache.calcite.sql.util">SqlShuttle.CallCopyingArgHandler</a></code></dd> |
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| <pre>public static interface <span class="typeNameLabel">SqlBasicVisitor.ArgHandler<R></span></pre> |
| <div class="block">Argument handler.</div> |
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| <td class="colFirst"><code><a href="SqlBasicVisitor.ArgHandler.html" title="type parameter in SqlBasicVisitor.ArgHandler">R</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#result()">result</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the result of visiting all children of a call to an operator, |
| then the call itself.</div> |
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| <td class="colFirst"><code><a href="SqlBasicVisitor.ArgHandler.html" title="type parameter in SqlBasicVisitor.ArgHandler">R</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#visitChild(org.apache.calcite.sql.util.SqlVisitor,org.apache.calcite.sql.SqlNode,int,org.apache.calcite.sql.SqlNode)">visitChild</a></span>​(<a href="SqlVisitor.html" title="interface in org.apache.calcite.sql.util">SqlVisitor</a><<a href="SqlBasicVisitor.ArgHandler.html" title="type parameter in SqlBasicVisitor.ArgHandler">R</a>> visitor, |
| <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> expr, |
| int i, |
| <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> operand)</code></th> |
| <td class="colLast"> |
| <div class="block">Visits a particular operand of a call, using a given visitor.</div> |
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| <h4>result</h4> |
| <pre class="methodSignature"><a href="SqlBasicVisitor.ArgHandler.html" title="type parameter in SqlBasicVisitor.ArgHandler">R</a> result()</pre> |
| <div class="block">Returns the result of visiting all children of a call to an operator, |
| then the call itself. |
| |
| <p>Typically the result will be the result of the last child visited, or |
| (if R is <code>Boolean</code>) whether all children were visited |
| successfully.</div> |
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| <h4>visitChild</h4> |
| <pre class="methodSignature"><a href="SqlBasicVisitor.ArgHandler.html" title="type parameter in SqlBasicVisitor.ArgHandler">R</a> visitChild​(<a href="SqlVisitor.html" title="interface in org.apache.calcite.sql.util">SqlVisitor</a><<a href="SqlBasicVisitor.ArgHandler.html" title="type parameter in SqlBasicVisitor.ArgHandler">R</a>> visitor, |
| <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> expr, |
| int i, |
| <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> operand)</pre> |
| <div class="block">Visits a particular operand of a call, using a given visitor.</div> |
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