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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.iceberg.expressions</a></div> |
| <h2 title="Class True" class="title">Class True</h2> |
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| <dd><code>java.io.Serializable</code>, <code><a href="Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a></code></dd> |
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| <pre>public class <span class="typeNameLabel">True</span> |
| extends java.lang.Object |
| implements <a href="Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a></pre> |
| <div class="block">An <a href="Expression.html" title="interface in org.apache.iceberg.expressions"><code>expression</code></a> that is always true.</div> |
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| <h3>Nested classes/interfaces inherited from interface org.apache.iceberg.expressions.<a href="Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a></h3> |
| <code><a href="Expression.Operation.html" title="enum in org.apache.iceberg.expressions">Expression.Operation</a></code></li> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isEquivalentTo(org.apache.iceberg.expressions.Expression)">isEquivalentTo</a></span>​(<a href="Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a> other)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this expression will accept the same values as another.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#negate()">negate</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the negation of this expression, equivalent to not(this).</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="Expression.Operation.html" title="enum in org.apache.iceberg.expressions">Expression.Operation</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#op()">op</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the operation for an expression node.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString()">toString</a></span>()</code></th> |
| <td class="colLast"> </td> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li> |
| </ul> |
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| <h4>op</h4> |
| <pre class="methodSignature">public <a href="Expression.Operation.html" title="enum in org.apache.iceberg.expressions">Expression.Operation</a> op()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="Expression.html#op()">Expression</a></code></span></div> |
| <div class="block">Returns the operation for an expression node.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Expression.html#op()">op</a></code> in interface <code><a href="Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a></code></dd> |
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| <h4>negate</h4> |
| <pre class="methodSignature">public <a href="Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a> negate()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="Expression.html#negate()">Expression</a></code></span></div> |
| <div class="block">Returns the negation of this expression, equivalent to not(this).</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Expression.html#negate()">negate</a></code> in interface <code><a href="Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a></code></dd> |
| </dl> |
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| <h4>isEquivalentTo</h4> |
| <pre class="methodSignature">public boolean isEquivalentTo​(<a href="Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a> other)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="Expression.html#isEquivalentTo(org.apache.iceberg.expressions.Expression)">Expression</a></code></span></div> |
| <div class="block">Returns whether this expression will accept the same values as another. |
| |
| <p>If this returns true, the expressions are guaranteed to return the same evaluation for the |
| same input. However, if this returns false the expressions may return the same evaluation for |
| the same input. That is, expressions may be equivalent even if this returns false. |
| |
| <p>For best results, rewrite not and bind expressions before calling this method.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="Expression.html#isEquivalentTo(org.apache.iceberg.expressions.Expression)">isEquivalentTo</a></code> in interface <code><a href="Expression.html" title="interface in org.apache.iceberg.expressions">Expression</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>other</code> - another expression</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if the expressions are equivalent</dd> |
| </dl> |
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| <h4>toString</h4> |
| <pre class="methodSignature">public java.lang.String toString()</pre> |
| <dl> |
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| <dd><code>toString</code> in class <code>java.lang.Object</code></dd> |
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