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| <h2 title="Interface ExpireSnapshots" class="title">Interface ExpireSnapshots</h2> |
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| <dt>All Superinterfaces:</dt> |
| <dd><a href="../../../../org/apache/iceberg/actions/Action.html" title="interface in org.apache.iceberg.actions">Action</a><<a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a>,<a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.Result.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots.Result</a>></dd> |
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| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../org/apache/iceberg/spark/actions/ExpireSnapshotsSparkAction.html" title="class in org.apache.iceberg.spark.actions">ExpireSnapshotsSparkAction</a></dd> |
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| <pre>public interface <span class="typeNameLabel">ExpireSnapshots</span> |
| extends <a href="../../../../org/apache/iceberg/actions/Action.html" title="interface in org.apache.iceberg.actions">Action</a><<a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a>,<a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.Result.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots.Result</a>></pre> |
| <div class="block">An action that expires snapshots in a table. |
| |
| <p>Similar to <a href="../../../../org/apache/iceberg/ExpireSnapshots.html" title="interface in org.apache.iceberg"><code>ExpireSnapshots</code></a> but may use a query engine to distribute |
| parts of the work.</div> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.Result.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots.Result</a></span></code> |
| <div class="block">The action result that contains a summary of the execution.</div> |
| </td> |
| </tr> |
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| <td class="colFirst"><code><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html#deleteWith-java.util.function.Consumer-">deleteWith</a></span>(java.util.function.Consumer<java.lang.String> deleteFunc)</code> |
| <div class="block">Passes an alternative delete implementation that will be used for manifests, data and delete |
| files.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html#executeDeleteWith-java.util.concurrent.ExecutorService-">executeDeleteWith</a></span>(java.util.concurrent.ExecutorService executorService)</code> |
| <div class="block">Passes an alternative executor service that will be used for files removal.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html#expireOlderThan-long-">expireOlderThan</a></span>(long timestampMillis)</code> |
| <div class="block">Expires all snapshots older than the given timestamp.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html#expireSnapshotId-long-">expireSnapshotId</a></span>(long snapshotId)</code> |
| <div class="block">Expires a specific <a href="../../../../org/apache/iceberg/Snapshot.html" title="interface in org.apache.iceberg"><code>Snapshot</code></a> identified by id.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html#retainLast-int-">retainLast</a></span>(int numSnapshots)</code> |
| <div class="block">Retains the most recent ancestors of the current snapshot.</div> |
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| <h3>Methods inherited from interface org.apache.iceberg.actions.<a href="../../../../org/apache/iceberg/actions/Action.html" title="interface in org.apache.iceberg.actions">Action</a></h3> |
| <code><a href="../../../../org/apache/iceberg/actions/Action.html#execute--">execute</a>, <a href="../../../../org/apache/iceberg/actions/Action.html#option-java.lang.String-java.lang.String-">option</a>, <a href="../../../../org/apache/iceberg/actions/Action.html#options-java.util.Map-">options</a></code></li> |
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| <h4>expireSnapshotId</h4> |
| <pre><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a> expireSnapshotId(long snapshotId)</pre> |
| <div class="block">Expires a specific <a href="../../../../org/apache/iceberg/Snapshot.html" title="interface in org.apache.iceberg"><code>Snapshot</code></a> identified by id. |
| |
| <p>Identical to <a href="../../../../org/apache/iceberg/ExpireSnapshots.html#expireSnapshotId-long-"><code>ExpireSnapshots.expireSnapshotId(long)</code></a></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>snapshotId</code> - id of the snapshot to expire</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this for method chaining</dd> |
| </dl> |
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| <h4>expireOlderThan</h4> |
| <pre><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a> expireOlderThan(long timestampMillis)</pre> |
| <div class="block">Expires all snapshots older than the given timestamp. |
| |
| <p>Identical to <a href="../../../../org/apache/iceberg/ExpireSnapshots.html#expireOlderThan-long-"><code>ExpireSnapshots.expireOlderThan(long)</code></a></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>timestampMillis</code> - a long timestamp, as returned by <code>System.currentTimeMillis()</code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this for method chaining</dd> |
| </dl> |
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| </ul> |
| <a name="retainLast-int-"> |
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| <h4>retainLast</h4> |
| <pre><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a> retainLast(int numSnapshots)</pre> |
| <div class="block">Retains the most recent ancestors of the current snapshot. |
| |
| <p>If a snapshot would be expired because it is older than the expiration timestamp, but is one |
| of the <code>numSnapshots</code> most recent ancestors of the current state, it will be retained. |
| This will not cause snapshots explicitly identified by id from expiring. |
| |
| <p>Identical to <a href="../../../../org/apache/iceberg/ExpireSnapshots.html#retainLast-int-"><code>ExpireSnapshots.retainLast(int)</code></a></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>numSnapshots</code> - the number of snapshots to retain</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this for method chaining</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="deleteWith-java.util.function.Consumer-"> |
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| <h4>deleteWith</h4> |
| <pre><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a> deleteWith(java.util.function.Consumer<java.lang.String> deleteFunc)</pre> |
| <div class="block">Passes an alternative delete implementation that will be used for manifests, data and delete |
| files. |
| |
| <p>Manifest files that are no longer used by valid snapshots will be deleted. Content files |
| that were marked as logically deleted by snapshots that are expired will be deleted as well. |
| |
| <p>If this method is not called, unnecessary manifests and content files will still be deleted. |
| |
| <p>Identical to <a href="../../../../org/apache/iceberg/ExpireSnapshots.html#deleteWith-java.util.function.Consumer-"><code>ExpireSnapshots.deleteWith(Consumer)</code></a></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>deleteFunc</code> - a function that will be called to delete manifests and data files</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this for method chaining</dd> |
| </dl> |
| </li> |
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| <h4>executeDeleteWith</h4> |
| <pre><a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a> executeDeleteWith(java.util.concurrent.ExecutorService executorService)</pre> |
| <div class="block">Passes an alternative executor service that will be used for files removal. This service will |
| only be used if a custom delete function is provided by <a href="../../../../org/apache/iceberg/actions/ExpireSnapshots.html#deleteWith-java.util.function.Consumer-"><code>deleteWith(Consumer)</code></a> or if the |
| FileIO does not <a href="../../../../org/apache/iceberg/io/SupportsBulkOperations.html" title="interface in org.apache.iceberg.io"><code>support bulk deletes</code></a>. Otherwise, parallelism |
| should be controlled by the IO specific <a href="../../../../org/apache/iceberg/io/SupportsBulkOperations.html#deleteFiles-java.lang.Iterable-"><code>deleteFiles</code></a> method. |
| |
| <p>If this method is not called and bulk deletes are not supported, unnecessary manifests and |
| content files will still be deleted in the current thread. |
| |
| <p>Identical to <a href="../../../../org/apache/iceberg/ExpireSnapshots.html#executeDeleteWith-java.util.concurrent.ExecutorService-"><code>ExpireSnapshots.executeDeleteWith(ExecutorService)</code></a></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>executorService</code> - the service to use</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>this for method chaining</dd> |
| </dl> |
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