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| <h2 title="Class BaseScanTaskGroup" class="title">Class BaseScanTaskGroup<T extends <a href="../../../org/apache/iceberg/ScanTask.html" title="interface in org.apache.iceberg">ScanTask</a>></h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <li>org.apache.iceberg.BaseScanTaskGroup<T></li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd>java.io.Serializable, <a href="../../../org/apache/iceberg/ScanTask.html" title="interface in org.apache.iceberg">ScanTask</a>, <a href="../../../org/apache/iceberg/ScanTaskGroup.html" title="interface in org.apache.iceberg">ScanTaskGroup</a><T></dd> |
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| <pre>public class <span class="typeNameLabel">BaseScanTaskGroup<T extends <a href="../../../org/apache/iceberg/ScanTask.html" title="interface in org.apache.iceberg">ScanTask</a>></span> |
| extends java.lang.Object |
| implements <a href="../../../org/apache/iceberg/ScanTaskGroup.html" title="interface in org.apache.iceberg">ScanTaskGroup</a><T></pre> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/BaseScanTaskGroup.html#BaseScanTaskGroup-java.util.Collection-">BaseScanTaskGroup</a></span>(java.util.Collection<<a href="../../../org/apache/iceberg/BaseScanTaskGroup.html" title="type parameter in BaseScanTaskGroup">T</a>> tasks)</code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/BaseScanTaskGroup.html#BaseScanTaskGroup-org.apache.iceberg.StructLike-java.util.Collection-">BaseScanTaskGroup</a></span>(<a href="../../../org/apache/iceberg/StructLike.html" title="interface in org.apache.iceberg">StructLike</a> groupingKey, |
| java.util.Collection<<a href="../../../org/apache/iceberg/BaseScanTaskGroup.html" title="type parameter in BaseScanTaskGroup">T</a>> tasks)</code> </td> |
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| <td class="colFirst"><code><a href="../../../org/apache/iceberg/StructLike.html" title="interface in org.apache.iceberg">StructLike</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/BaseScanTaskGroup.html#groupingKey--">groupingKey</a></span>()</code> |
| <div class="block">Returns a grouping key for this task group.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>java.util.Collection<<a href="../../../org/apache/iceberg/BaseScanTaskGroup.html" title="type parameter in BaseScanTaskGroup">T</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/BaseScanTaskGroup.html#tasks--">tasks</a></span>()</code> |
| <div class="block">Returns scan tasks in this group.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/iceberg/BaseScanTaskGroup.html#toString--">toString</a></span>()</code> </td> |
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| <h3>Methods inherited from interface org.apache.iceberg.<a href="../../../org/apache/iceberg/ScanTaskGroup.html" title="interface in org.apache.iceberg">ScanTaskGroup</a></h3> |
| <code><a href="../../../org/apache/iceberg/ScanTaskGroup.html#estimatedRowsCount--">estimatedRowsCount</a>, <a href="../../../org/apache/iceberg/ScanTaskGroup.html#filesCount--">filesCount</a>, <a href="../../../org/apache/iceberg/ScanTaskGroup.html#sizeBytes--">sizeBytes</a></code></li> |
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| <h3>Methods inherited from interface org.apache.iceberg.<a href="../../../org/apache/iceberg/ScanTask.html" title="interface in org.apache.iceberg">ScanTask</a></h3> |
| <code><a href="../../../org/apache/iceberg/ScanTask.html#asCombinedScanTask--">asCombinedScanTask</a>, <a href="../../../org/apache/iceberg/ScanTask.html#asDataTask--">asDataTask</a>, <a href="../../../org/apache/iceberg/ScanTask.html#asFileScanTask--">asFileScanTask</a>, <a href="../../../org/apache/iceberg/ScanTask.html#isDataTask--">isDataTask</a>, <a href="../../../org/apache/iceberg/ScanTask.html#isFileScanTask--">isFileScanTask</a></code></li> |
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| <h4>BaseScanTaskGroup</h4> |
| <pre>public BaseScanTaskGroup(<a href="../../../org/apache/iceberg/StructLike.html" title="interface in org.apache.iceberg">StructLike</a> groupingKey, |
| java.util.Collection<<a href="../../../org/apache/iceberg/BaseScanTaskGroup.html" title="type parameter in BaseScanTaskGroup">T</a>> tasks)</pre> |
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| <h4>BaseScanTaskGroup</h4> |
| <pre>public BaseScanTaskGroup(java.util.Collection<<a href="../../../org/apache/iceberg/BaseScanTaskGroup.html" title="type parameter in BaseScanTaskGroup">T</a>> tasks)</pre> |
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| <h4>groupingKey</h4> |
| <pre>public <a href="../../../org/apache/iceberg/StructLike.html" title="interface in org.apache.iceberg">StructLike</a> groupingKey()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../org/apache/iceberg/ScanTaskGroup.html#groupingKey--">ScanTaskGroup</a></code></span></div> |
| <div class="block">Returns a grouping key for this task group. |
| |
| <p>A grouping key is a set of values that are common amongst all rows produced by the tasks in |
| this task group. The values may be the result of transforming the underlying data. For example, |
| a grouping key can consist of a bucket ordinal computed by applying a bucket transform to a |
| column of the underlying rows. The grouping key type is determined at planning time and is |
| identical across all task groups produced by a scan. |
| |
| <p>Implementations should return an empty struct if the data grouping is random or unknown.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../org/apache/iceberg/ScanTaskGroup.html#groupingKey--">groupingKey</a></code> in interface <code><a href="../../../org/apache/iceberg/ScanTaskGroup.html" title="interface in org.apache.iceberg">ScanTaskGroup</a><<a href="../../../org/apache/iceberg/BaseScanTaskGroup.html" title="type parameter in BaseScanTaskGroup">T</a> extends <a href="../../../org/apache/iceberg/ScanTask.html" title="interface in org.apache.iceberg">ScanTask</a>></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a grouping key for this task group</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="tasks--"> |
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| </a> |
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| <h4>tasks</h4> |
| <pre>public java.util.Collection<<a href="../../../org/apache/iceberg/BaseScanTaskGroup.html" title="type parameter in BaseScanTaskGroup">T</a>> tasks()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../org/apache/iceberg/ScanTaskGroup.html#tasks--">ScanTaskGroup</a></code></span></div> |
| <div class="block">Returns scan tasks in this group.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../org/apache/iceberg/ScanTaskGroup.html#tasks--">tasks</a></code> in interface <code><a href="../../../org/apache/iceberg/ScanTaskGroup.html" title="interface in org.apache.iceberg">ScanTaskGroup</a><<a href="../../../org/apache/iceberg/BaseScanTaskGroup.html" title="type parameter in BaseScanTaskGroup">T</a> extends <a href="../../../org/apache/iceberg/ScanTask.html" title="interface in org.apache.iceberg">ScanTask</a>></code></dd> |
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| <h4>toString</h4> |
| <pre>public java.lang.String toString()</pre> |
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