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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.iceberg.actions</a></div>
<h2 title="Interface ExpireSnapshots" class="title">Interface ExpireSnapshots</h2>
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<dt>All Superinterfaces:</dt>
<dd><code><a href="Action.html" title="interface in org.apache.iceberg.actions">Action</a>&lt;<a href="ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a>,&#8203;<a href="ExpireSnapshots.Result.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots.Result</a>&gt;</code></dd>
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<dt>All Known Implementing Classes:</dt>
<dd><code><a href="../spark/actions/BaseExpireSnapshotsSparkAction.html" title="class in org.apache.iceberg.spark.actions">BaseExpireSnapshotsSparkAction</a></code></dd>
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<pre>public interface <span class="typeNameLabel">ExpireSnapshots</span>
extends <a href="Action.html" title="interface in org.apache.iceberg.actions">Action</a>&lt;<a href="ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a>,&#8203;<a href="ExpireSnapshots.Result.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots.Result</a>&gt;</pre>
<div class="block">An action that expires snapshots in a table.
<p>
Similar to <a href="../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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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static interface&nbsp;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="ExpireSnapshots.Result.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots.Result</a></span></code></th>
<td class="colLast">
<div class="block">The action result that contains a summary of the execution.</div>
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<td class="colFirst"><code><a href="ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deleteWith(java.util.function.Consumer)">deleteWith</a></span>&#8203;(java.util.function.Consumer&lt;java.lang.String&gt;&nbsp;deleteFunc)</code></th>
<td class="colLast">
<div class="block">Passes an alternative delete implementation that will be used for manifests and data files.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#executeDeleteWith(java.util.concurrent.ExecutorService)">executeDeleteWith</a></span>&#8203;(java.util.concurrent.ExecutorService&nbsp;executorService)</code></th>
<td class="colLast">
<div class="block">Passes an alternative executor service that will be used for manifests and data files deletion.</div>
</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#expireOlderThan(long)">expireOlderThan</a></span>&#8203;(long&nbsp;timestampMillis)</code></th>
<td class="colLast">
<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="ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#expireSnapshotId(long)">expireSnapshotId</a></span>&#8203;(long&nbsp;snapshotId)</code></th>
<td class="colLast">
<div class="block">Expires a specific <a href="../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="ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#retainLast(int)">retainLast</a></span>&#8203;(int&nbsp;numSnapshots)</code></th>
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<div class="block">Retains the most recent ancestors of the current snapshot.</div>
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<h3>Methods inherited from interface&nbsp;org.apache.iceberg.actions.<a href="Action.html" title="interface in org.apache.iceberg.actions">Action</a></h3>
<code><a href="Action.html#execute()">execute</a>, <a href="Action.html#option(java.lang.String,java.lang.String)">option</a>, <a href="Action.html#options(java.util.Map)">options</a></code></li>
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<h4>expireSnapshotId</h4>
<pre class="methodSignature"><a href="ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a>&nbsp;expireSnapshotId&#8203;(long&nbsp;snapshotId)</pre>
<div class="block">Expires a specific <a href="../Snapshot.html" title="interface in org.apache.iceberg"><code>Snapshot</code></a> identified by id.
<p>
Identical to <a href="../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 class="methodSignature"><a href="ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a>&nbsp;expireOlderThan&#8203;(long&nbsp;timestampMillis)</pre>
<div class="block">Expires all snapshots older than the given timestamp.
<p>
Identical to <a href="../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>
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<h4>retainLast</h4>
<pre class="methodSignature"><a href="ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a>&nbsp;retainLast&#8203;(int&nbsp;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="../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>
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<h4>deleteWith</h4>
<pre class="methodSignature"><a href="ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a>&nbsp;deleteWith&#8203;(java.util.function.Consumer&lt;java.lang.String&gt;&nbsp;deleteFunc)</pre>
<div class="block">Passes an alternative delete implementation that will be used for manifests and data files.
<p>
Manifest files that are no longer used by valid snapshots will be deleted. Data files that were
deleted by snapshots that are expired will be deleted.
<p>
If this method is not called, unnecessary manifests and data files will still be deleted.
<p>
Identical to <a href="../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>
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<h4>executeDeleteWith</h4>
<pre class="methodSignature"><a href="ExpireSnapshots.html" title="interface in org.apache.iceberg.actions">ExpireSnapshots</a>&nbsp;executeDeleteWith&#8203;(java.util.concurrent.ExecutorService&nbsp;executorService)</pre>
<div class="block">Passes an alternative executor service that will be used for manifests and data files deletion.
<p>
If this method is not called, unnecessary manifests and data files will still be deleted in
the current thread.
<p>
Identical to <a href="../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>
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