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| <a href="bucket__util_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div> |
| <div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * with the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> *</span></div> |
| <div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div> |
| <div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * software distributed under the License is distributed on an</span></div> |
| <div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div> |
| <div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * KIND, either express or implied. See the License for the</span></div> |
| <div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> * under the License.</span></div> |
| <div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment"> */</span></div> |
| <div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div> |
| <div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#pragma once</span></div> |
| <div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div> |
| <div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include <cstdint></span></div> |
| <div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include <span></span></div> |
| <div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> </div> |
| <div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "<a class="code" href="iceberg__export_8h.html">iceberg/iceberg_export.h</a>"</span></div> |
| <div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="preprocessor">#include "<a class="code" href="result_8h.html">iceberg/result.h</a>"</span></div> |
| <div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "<a class="code" href="type__fwd_8h.html">iceberg/type_fwd.h</a>"</span></div> |
| <div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> </div> |
| <div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceiceberg.html">iceberg</a> {</div> |
| <div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div> |
| <div class="foldopen" id="foldopen00034" data-start="{" data-end="};"> |
| <div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="classiceberg_1_1BucketUtils.html"> 34</a></span><span class="keyword">class </span>ICEBERG_EXPORT <a class="code hl_class" href="classiceberg_1_1BucketUtils.html">BucketUtils</a> {</div> |
| <div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">public</span>:</div> |
| <div class="foldopen" id="foldopen00042" data-start="{" data-end="}"> |
| <div class="line"><a id="l00042" name="l00042"></a><span class="lineno"><a class="line" href="classiceberg_1_1BucketUtils.html#a962814a130e993b6261b66baf567a108"> 42</a></span> <span class="keyword">static</span> <span class="keyword">inline</span> int32_t <a class="code hl_function" href="classiceberg_1_1BucketUtils.html#a962814a130e993b6261b66baf567a108">HashInt</a>(int32_t value) {</div> |
| <div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> <span class="keywordflow">return</span> HashLong(<span class="keyword">static_cast<</span>int64_t<span class="keyword">></span>(value));</div> |
| <div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> }</div> |
| </div> |
| <div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div> |
| <div class="line"><a id="l00049" name="l00049"></a><span class="lineno"><a class="line" href="classiceberg_1_1BucketUtils.html#a21461b84eeb2cd52ab8f1477dd207839"> 49</a></span> <span class="keyword">static</span> int32_t <a class="code hl_function" href="classiceberg_1_1BucketUtils.html#a21461b84eeb2cd52ab8f1477dd207839">HashLong</a>(int64_t value);</div> |
| <div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div> |
| <div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="classiceberg_1_1BucketUtils.html#a47a57ed6cbc3a07ca12dd242dad5dd15"> 54</a></span> <span class="keyword">static</span> int32_t <a class="code hl_function" href="classiceberg_1_1BucketUtils.html#a47a57ed6cbc3a07ca12dd242dad5dd15">HashBytes</a>(std::span<const uint8_t> bytes);</div> |
| <div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div> |
| <div class="line"><a id="l00060" name="l00060"></a><span class="lineno"><a class="line" href="classiceberg_1_1BucketUtils.html#a2d8db99a15884a4255556f3f435bde8c"> 60</a></span> <span class="keyword">static</span> <a class="code hl_typedef" href="namespaceiceberg.html#a9d5594e371beb516b0120e07e69d3af6">Result<int32_t></a> <a class="code hl_function" href="classiceberg_1_1BucketUtils.html#a2d8db99a15884a4255556f3f435bde8c">BucketIndex</a>(<span class="keyword">const</span> <a class="code hl_class" href="classiceberg_1_1Literal.html">Literal</a>& literal, int32_t num_buckets);</div> |
| <div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span>};</div> |
| </div> |
| <div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> </div> |
| <div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span>} <span class="comment">// namespace iceberg</span></div> |
| <div class="ttc" id="aclassiceberg_1_1BucketUtils_html"><div class="ttname"><a href="classiceberg_1_1BucketUtils.html">iceberg::BucketUtils</a></div><div class="ttdef"><b>Definition</b> bucket_util.h:34</div></div> |
| <div class="ttc" id="aclassiceberg_1_1BucketUtils_html_a21461b84eeb2cd52ab8f1477dd207839"><div class="ttname"><a href="classiceberg_1_1BucketUtils.html#a21461b84eeb2cd52ab8f1477dd207839">iceberg::BucketUtils::HashLong</a></div><div class="ttdeci">static int32_t HashLong(int64_t value)</div><div class="ttdoc">Hash a 64-bit integer using MurmurHash3 and return a 32-bit hash value.</div></div> |
| <div class="ttc" id="aclassiceberg_1_1BucketUtils_html_a2d8db99a15884a4255556f3f435bde8c"><div class="ttname"><a href="classiceberg_1_1BucketUtils.html#a2d8db99a15884a4255556f3f435bde8c">iceberg::BucketUtils::BucketIndex</a></div><div class="ttdeci">static Result< int32_t > BucketIndex(const Literal &literal, int32_t num_buckets)</div><div class="ttdoc">Compute the bucket index for a given literal and number of buckets.</div></div> |
| <div class="ttc" id="aclassiceberg_1_1BucketUtils_html_a47a57ed6cbc3a07ca12dd242dad5dd15"><div class="ttname"><a href="classiceberg_1_1BucketUtils.html#a47a57ed6cbc3a07ca12dd242dad5dd15">iceberg::BucketUtils::HashBytes</a></div><div class="ttdeci">static int32_t HashBytes(std::span< const uint8_t > bytes)</div><div class="ttdoc">Hash a byte array using MurmurHash3 and return a 32-bit hash value.</div></div> |
| <div class="ttc" id="aclassiceberg_1_1BucketUtils_html_a962814a130e993b6261b66baf567a108"><div class="ttname"><a href="classiceberg_1_1BucketUtils.html#a962814a130e993b6261b66baf567a108">iceberg::BucketUtils::HashInt</a></div><div class="ttdeci">static int32_t HashInt(int32_t value)</div><div class="ttdoc">Hash a 32-bit integer using MurmurHash3 and return a 32-bit hash value.</div><div class="ttdef"><b>Definition</b> bucket_util.h:42</div></div> |
| <div class="ttc" id="aclassiceberg_1_1Literal_html"><div class="ttname"><a href="classiceberg_1_1Literal.html">iceberg::Literal</a></div><div class="ttdoc">Literal is a literal value that is associated with a primitive type.</div><div class="ttdef"><b>Definition</b> literal.h:42</div></div> |
| <div class="ttc" id="aiceberg__export_8h_html"><div class="ttname"><a href="iceberg__export_8h.html">iceberg_export.h</a></div><div class="ttdoc">Define symbol visibility macros for core Iceberg APIs.</div></div> |
| <div class="ttc" id="anamespaceiceberg_html"><div class="ttname"><a href="namespaceiceberg.html">iceberg</a></div><div class="ttdoc">Core Apache Iceberg C++ APIs.</div><div class="ttdef"><b>Definition</b> arrow_io_util.h:33</div></div> |
| <div class="ttc" id="anamespaceiceberg_html_a9d5594e371beb516b0120e07e69d3af6"><div class="ttname"><a href="namespaceiceberg.html#a9d5594e371beb516b0120e07e69d3af6">iceberg::Result</a></div><div class="ttdeci">std::expected< T, E > Result</div><div class="ttdoc">Result alias.</div><div class="ttdef"><b>Definition</b> result.h:88</div></div> |
| <div class="ttc" id="aresult_8h_html"><div class="ttname"><a href="result_8h.html">result.h</a></div><div class="ttdoc">Define Result, Status, and error helpers.</div></div> |
| <div class="ttc" id="atype__fwd_8h_html"><div class="ttname"><a href="type__fwd_8h.html">type_fwd.h</a></div></div> |
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