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| <li class="navelem"><b>kudu</b></li><li class="navelem"><b>client</b></li><li class="navelem"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html">KuduBloomFilterBuilder</a></li> </ul> |
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| <div class="title">kudu::client::KuduBloomFilterBuilder Class Reference</div> </div> |
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| |
| <p>Builder class to help build <code><a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html" title="Bloom filter to be used with IN Bloom filter predicate.">KuduBloomFilter</a></code> to be used with IN Bloom filter predicate. |
| <a href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html#details">More...</a></p> |
| |
| <p><code>#include <<a class="el" href="scan__predicate_8h_source.html">scan_predicate.h</a>></code></p> |
| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a> |
| Public Member Functions</h2></td></tr> |
| <tr class="memitem:a4da74bd04dac54419fc0495cd25c70f4"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html#a4da74bd04dac54419fc0495cd25c70f4">KuduBloomFilterBuilder</a> (size_t num_keys)</td></tr> |
| <tr class="separator:a4da74bd04dac54419fc0495cd25c70f4"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a8f904340426aebb071f66a1964438ff7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html">KuduBloomFilterBuilder</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html#a8f904340426aebb071f66a1964438ff7">false_positive_probability</a> (double fpp)</td></tr> |
| <tr class="separator:a8f904340426aebb071f66a1964438ff7"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aa314b4febf56d1ff450d95134457da57"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html">KuduBloomFilterBuilder</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html#aa314b4febf56d1ff450d95134457da57">hash_algorithm</a> (HashAlgorithm hash_algorithm)</td></tr> |
| <tr class="separator:aa314b4febf56d1ff450d95134457da57"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a1a72fd2c18e62054a64b2900fa6c4356"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html">KuduBloomFilterBuilder</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html#a1a72fd2c18e62054a64b2900fa6c4356">hash_seed</a> (uint32_t hash_seed)</td></tr> |
| <tr class="separator:a1a72fd2c18e62054a64b2900fa6c4356"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a90bf3b2387dd08cbbeda59497ceeee6a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classkudu_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html#a90bf3b2387dd08cbbeda59497ceeee6a">Build</a> (<a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html">KuduBloomFilter</a> **bloom_filter)</td></tr> |
| <tr class="separator:a90bf3b2387dd08cbbeda59497ceeee6a"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>Builder class to help build <code><a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html" title="Bloom filter to be used with IN Bloom filter predicate.">KuduBloomFilter</a></code> to be used with IN Bloom filter predicate. </p> |
| </div><h2 class="groupheader">Constructor & Destructor Documentation</h2> |
| <a id="a4da74bd04dac54419fc0495cd25c70f4"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a4da74bd04dac54419fc0495cd25c70f4">◆ </a></span>KuduBloomFilterBuilder()</h2> |
| |
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| <td class="memname">kudu::client::KuduBloomFilterBuilder::KuduBloomFilterBuilder </td> |
| <td>(</td> |
| <td class="paramtype">size_t </td> |
| <td class="paramname"><em>num_keys</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">explicit</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">num_keys</td><td>Expected number of elements to be inserted in the Bloom filter. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Member Function Documentation</h2> |
| <a id="a90bf3b2387dd08cbbeda59497ceeee6a"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a90bf3b2387dd08cbbeda59497ceeee6a">◆ </a></span>Build()</h2> |
| |
| <div class="memitem"> |
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| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="classkudu_1_1Status.html">Status</a> kudu::client::KuduBloomFilterBuilder::Build </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html">KuduBloomFilter</a> ** </td> |
| <td class="paramname"><em>bloom_filter</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Build a new Bloom filter to be used with IN Bloom filter predicate.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[out]</td><td class="paramname">bloom_filter</td><td>On success, the created Bloom filter raw pointer. Caller owns the Bloom filter until it's passed to <code><a class="el" href="classkudu_1_1client_1_1KuduTable.html#a356e8d0d10491d4d8540adefac86be94">KuduTable::NewInBloomFilterPredicate()</a></code>. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>On success, <a class="el" href="classkudu_1_1Status.html#adaff3248b2f66041d0a7dd59f118b7ac">Status::OK()</a> with the created Bloom filter in <code>bloom_filter</code> output parameter. On failure to allocate memory or invalid arguments, corresponding error status. </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a8f904340426aebb071f66a1964438ff7"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a8f904340426aebb071f66a1964438ff7">◆ </a></span>false_positive_probability()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html">KuduBloomFilterBuilder</a>& kudu::client::KuduBloomFilterBuilder::false_positive_probability </td> |
| <td>(</td> |
| <td class="paramtype">double </td> |
| <td class="paramname"><em>fpp</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">fpp</td><td>Desired false positive probability between 0.0 and 1.0. If not provided, defaults to 0.01. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>Reference to the updated object. </dd></dl> |
| |
| </div> |
| </div> |
| <a id="aa314b4febf56d1ff450d95134457da57"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#aa314b4febf56d1ff450d95134457da57">◆ </a></span>hash_algorithm()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html">KuduBloomFilterBuilder</a>& kudu::client::KuduBloomFilterBuilder::hash_algorithm </td> |
| <td>(</td> |
| <td class="paramtype">HashAlgorithm </td> |
| <td class="paramname"><em>hash_algorithm</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">hash_algorithm</td><td>Hash algorithm used to hash keys before inserting to the Bloom filter. If not provided, defaults to FAST_HASH. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section note"><dt>Note</dt><dd>Currently only FAST_HASH is supported. </dd></dl> |
| <dl class="section return"><dt>Returns</dt><dd>Reference to the updated object. </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a1a72fd2c18e62054a64b2900fa6c4356"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a1a72fd2c18e62054a64b2900fa6c4356">◆ </a></span>hash_seed()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html">KuduBloomFilterBuilder</a>& kudu::client::KuduBloomFilterBuilder::hash_seed </td> |
| <td>(</td> |
| <td class="paramtype">uint32_t </td> |
| <td class="paramname"><em>hash_seed</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in]</td><td class="paramname">hash_seed</td><td>Seed used with hash algorithm to hash the keys before inserting to the Bloom filter. If not provided, defaults to 0. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>Reference to the updated object. </dd></dl> |
| |
| </div> |
| </div> |
| <hr/>The documentation for this class was generated from the following file:<ul> |
| <li>include/kudu/client/<a class="el" href="scan__predicate_8h_source.html">scan_predicate.h</a></li> |
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