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Yasuhiro KIMURA
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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">com.sleepycat.db</a></div>
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<h2 title="Class ForeignKeyDeleteAction" class="title">Class ForeignKeyDeleteAction</h2>
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<li>java.lang.Object</li>
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<li>com.sleepycat.db.ForeignKeyDeleteAction</li>
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<pre>public class <span class="typeNameLabel">ForeignKeyDeleteAction</span>
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extends java.lang.Object</pre>
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<div class="block">The action taken when a referenced record in the foreign key database is
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deleted.
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<p>The delete action applies to a secondary database that is configured to
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have a foreign key integrity constraint. The delete action is specified by
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calling <a href="SecondaryConfig.html#setForeignKeyDeleteAction-com.sleepycat.db.ForeignKeyDeleteAction-"><code>SecondaryConfig.setForeignKeyDeleteAction(com.sleepycat.db.ForeignKeyDeleteAction)</code></a>.</p>
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<p>When a record in the foreign key database is deleted, it is checked to
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see if it is referenced by any record in the associated secondary database.
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If the key is referenced, the delete action is applied. By default, the
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delete action is <a href="#ABORT"><code>ABORT</code></a>.</p></div>
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<dt><span class="seeLabel">See Also:</span></dt>
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<dd><a href="SecondaryConfig.html" title="class in com.sleepycat.db"><code>SecondaryConfig</code></a></dd>
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<td class="colFirst"><code>static <a href="ForeignKeyDeleteAction.html" title="class in com.sleepycat.db">ForeignKeyDeleteAction</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ABORT">ABORT</a></span></code></th>
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<td class="colLast">
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<div class="block">When a referenced record in the foreign key database is deleted, abort
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the transaction by throwing a <a href="DatabaseException.html" title="class in com.sleepycat.db"><code>DatabaseException</code></a>.</div>
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<td class="colFirst"><code>static <a href="ForeignKeyDeleteAction.html" title="class in com.sleepycat.db">ForeignKeyDeleteAction</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#CASCADE">CASCADE</a></span></code></th>
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<td class="colLast">
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<div class="block">When a referenced record in the foreign key database is deleted, delete
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the primary database record that references it.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static <a href="ForeignKeyDeleteAction.html" title="class in com.sleepycat.db">ForeignKeyDeleteAction</a></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#NULLIFY">NULLIFY</a></span></code></th>
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<td class="colLast">
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<div class="block">When a referenced record in the foreign key database is deleted, set the
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reference to null in the primary database record that references it,
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thereby deleting the secondary key.</div>
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</td>
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<td class="colFirst"><code>java.lang.String</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString--">toString</a></span>()</code></th>
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<h4>ABORT</h4>
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<pre>public static <a href="ForeignKeyDeleteAction.html" title="class in com.sleepycat.db">ForeignKeyDeleteAction</a> ABORT</pre>
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<div class="block">When a referenced record in the foreign key database is deleted, abort
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the transaction by throwing a <a href="DatabaseException.html" title="class in com.sleepycat.db"><code>DatabaseException</code></a>.</div>
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<pre>public static <a href="ForeignKeyDeleteAction.html" title="class in com.sleepycat.db">ForeignKeyDeleteAction</a> CASCADE</pre>
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<div class="block">When a referenced record in the foreign key database is deleted, delete
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the primary database record that references it.</div>
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</li>
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<a name="NULLIFY">
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<h4>NULLIFY</h4>
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<pre>public static <a href="ForeignKeyDeleteAction.html" title="class in com.sleepycat.db">ForeignKeyDeleteAction</a> NULLIFY</pre>
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<div class="block">When a referenced record in the foreign key database is deleted, set the
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reference to null in the primary database record that references it,
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thereby deleting the secondary key. @see ForeignKeyNullifier @see
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ForeignMultiKeyNullifier</div>
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