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| <a href="table__read_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="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <memory></span></div> |
| <div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include <vector></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 "<a class="code" href="executor_8h.html">paimon/executor.h</a>"</span></div> |
| <div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include "<a class="code" href="memory__pool_8h.html">paimon/memory/memory_pool.h</a>"</span></div> |
| <div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include "<a class="code" href="read__context_8h.html">paimon/read_context.h</a>"</span></div> |
| <div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include "<a class="code" href="batch__reader_8h.html">paimon/reader/batch_reader.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">paimon/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="split_8h.html">paimon/table/source/split.h</a>"</span></div> |
| <div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "<a class="code" href="visibility_8h.html">paimon/visibility.h</a>"</span></div> |
| <div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div> |
| <div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacepaimon.html">paimon</a> {</div> |
| <div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="keyword">class </span>MemoryPool;</div> |
| <div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">class </span>ReadContext;</div> |
| <div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> </div> |
| <div class="foldopen" id="foldopen00038" data-start="{" data-end="};"> |
| <div class="line"><a id="l00038" name="l00038"></a><span class="lineno"><a class="line" href="classpaimon_1_1_table_read.html"> 38</a></span><span class="keyword">class </span><a class="code hl_define" href="memory__pool_8h.html#a147ba4ba34a215b3a4f3a95c1ee11704">PAIMON_EXPORT</a> <a class="code hl_class" href="classpaimon_1_1_table_read.html">TableRead</a> {</div> |
| <div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">public</span>:</div> |
| <div class="line"><a id="l00040" name="l00040"></a><span class="lineno"><a class="line" href="classpaimon_1_1_table_read.html#a489cf1b366949b163c0db353988c3503"> 40</a></span> <span class="keyword">virtual</span> <a class="code hl_function" href="classpaimon_1_1_table_read.html#a489cf1b366949b163c0db353988c3503">~TableRead</a>() = <span class="keywordflow">default</span>;</div> |
| <div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div> |
| <div class="line"><a id="l00046" name="l00046"></a><span class="lineno"><a class="line" href="classpaimon_1_1_table_read.html#a61ce8ddb69965e9166ba34c337ca8841"> 46</a></span> <span class="keyword">static</span> <a class="code hl_class" href="classpaimon_1_1_result.html">Result<std::unique_ptr<TableRead></a>> <a class="code hl_function" href="classpaimon_1_1_table_read.html#a61ce8ddb69965e9166ba34c337ca8841">Create</a>(std::unique_ptr<ReadContext> <a class="code hl_define" href="memory__pool_8h.html#a147ba4ba34a215b3a4f3a95c1ee11704">context</a>);</div> |
| <div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div> |
| <div class="line"><a id="l00058" name="l00058"></a><span class="lineno"><a class="line" href="classpaimon_1_1_table_read.html#a81796bc3daa8d21e21f8ba2e32b539ec"> 58</a></span> <span class="keyword">virtual</span> <a class="code hl_class" href="classpaimon_1_1_result.html">Result<std::unique_ptr<BatchReader></a>> <a class="code hl_function" href="classpaimon_1_1_table_read.html#a81796bc3daa8d21e21f8ba2e32b539ec">CreateReader</a>(</div> |
| <div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">const</span> std::vector<std::shared_ptr<Split>>& <a class="code hl_define" href="memory__pool_8h.html#a147ba4ba34a215b3a4f3a95c1ee11704">splits</a>);</div> |
| <div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div> |
| <div class="line"><a id="l00066" name="l00066"></a><span class="lineno"><a class="line" href="classpaimon_1_1_table_read.html#a45d5949ae071cd273bf18d87908a9522"> 66</a></span> <span class="keyword">virtual</span> <a class="code hl_class" href="classpaimon_1_1_result.html">Result<std::unique_ptr<BatchReader></a>> <a class="code hl_function" href="classpaimon_1_1_table_read.html#a45d5949ae071cd273bf18d87908a9522">CreateReader</a>(</div> |
| <div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">const</span> std::shared_ptr<Split>& <a class="code hl_define" href="memory__pool_8h.html#a147ba4ba34a215b3a4f3a95c1ee11704">split</a>) = 0;</div> |
| <div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> </div> |
| <div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">protected</span>:</div> |
| <div class="line"><a id="l00070" name="l00070"></a><span class="lineno"><a class="line" href="classpaimon_1_1_table_read.html#a5bc35cec6cb24f46e9fee2546b29fb40"> 70</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classpaimon_1_1_table_read.html#a5bc35cec6cb24f46e9fee2546b29fb40">TableRead</a>(<span class="keyword">const</span> std::shared_ptr<MemoryPool>& <a class="code hl_define" href="memory__pool_8h.html#a147ba4ba34a215b3a4f3a95c1ee11704">memory_pool</a>);</div> |
| <div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> </div> |
| <div class="foldopen" id="foldopen00072" data-start="{" data-end="}"> |
| <div class="line"><a id="l00072" name="l00072"></a><span class="lineno"><a class="line" href="classpaimon_1_1_table_read.html#abf8ade3555f99403638d211f8b353df6"> 72</a></span> std::shared_ptr<MemoryPool> <a class="code hl_function" href="classpaimon_1_1_table_read.html#abf8ade3555f99403638d211f8b353df6">GetMemoryPool</a>()<span class="keyword"> const </span>{</div> |
| <div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">return</span> pool_;</div> |
| <div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> }</div> |
| </div> |
| <div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> </div> |
| <div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">private</span>:</div> |
| <div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="classpaimon_1_1_table_read.html#a09f604e1c5c9d8d9568f75843bb16c6a"> 77</a></span> std::shared_ptr<MemoryPool> <a class="code hl_variable" href="classpaimon_1_1_table_read.html#a09f604e1c5c9d8d9568f75843bb16c6a">pool_</a>;</div> |
| <div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span>};</div> |
| </div> |
| <div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span>} <span class="comment">// namespace paimon</span></div> |
| <div class="ttc" id="abatch__reader_8h_html"><div class="ttname"><a href="batch__reader_8h.html">batch_reader.h</a></div></div> |
| <div class="ttc" id="aclasspaimon_1_1_result_html"><div class="ttname"><a href="classpaimon_1_1_result.html">paimon::Result</a></div><div class="ttdoc">A Result<T> object holds either a value of type T or a Status object explaining why such a value is n...</div><div class="ttdef"><b>Definition</b> result.h:33</div></div> |
| <div class="ttc" id="aclasspaimon_1_1_table_read_html"><div class="ttname"><a href="classpaimon_1_1_table_read.html">paimon::TableRead</a></div><div class="ttdoc">Given a Split or a list of Split, generate a reader for batch reading.</div><div class="ttdef"><b>Definition</b> table_read.h:38</div></div> |
| <div class="ttc" id="aclasspaimon_1_1_table_read_html_a09f604e1c5c9d8d9568f75843bb16c6a"><div class="ttname"><a href="classpaimon_1_1_table_read.html#a09f604e1c5c9d8d9568f75843bb16c6a">paimon::TableRead::pool_</a></div><div class="ttdeci">std::shared_ptr< MemoryPool > pool_</div><div class="ttdef"><b>Definition</b> table_read.h:77</div></div> |
| <div class="ttc" id="aclasspaimon_1_1_table_read_html_a45d5949ae071cd273bf18d87908a9522"><div class="ttname"><a href="classpaimon_1_1_table_read.html#a45d5949ae071cd273bf18d87908a9522">paimon::TableRead::CreateReader</a></div><div class="ttdeci">virtual Result< std::unique_ptr< BatchReader > > CreateReader(const std::shared_ptr< Split > &split)=0</div><div class="ttdoc">Creates a BatchReader instance for a single split.</div></div> |
| <div class="ttc" id="aclasspaimon_1_1_table_read_html_a489cf1b366949b163c0db353988c3503"><div class="ttname"><a href="classpaimon_1_1_table_read.html#a489cf1b366949b163c0db353988c3503">paimon::TableRead::~TableRead</a></div><div class="ttdeci">virtual ~TableRead()=default</div></div> |
| <div class="ttc" id="aclasspaimon_1_1_table_read_html_a5bc35cec6cb24f46e9fee2546b29fb40"><div class="ttname"><a href="classpaimon_1_1_table_read.html#a5bc35cec6cb24f46e9fee2546b29fb40">paimon::TableRead::TableRead</a></div><div class="ttdeci">TableRead(const std::shared_ptr< MemoryPool > &memory_pool)</div></div> |
| <div class="ttc" id="aclasspaimon_1_1_table_read_html_a61ce8ddb69965e9166ba34c337ca8841"><div class="ttname"><a href="classpaimon_1_1_table_read.html#a61ce8ddb69965e9166ba34c337ca8841">paimon::TableRead::Create</a></div><div class="ttdeci">static Result< std::unique_ptr< TableRead > > Create(std::unique_ptr< ReadContext > context)</div><div class="ttdoc">Create an instance of TableRead.</div></div> |
| <div class="ttc" id="aclasspaimon_1_1_table_read_html_a81796bc3daa8d21e21f8ba2e32b539ec"><div class="ttname"><a href="classpaimon_1_1_table_read.html#a81796bc3daa8d21e21f8ba2e32b539ec">paimon::TableRead::CreateReader</a></div><div class="ttdeci">virtual Result< std::unique_ptr< BatchReader > > CreateReader(const std::vector< std::shared_ptr< Split > > &splits)</div><div class="ttdoc">Creates a BatchReader instance for reading data.</div></div> |
| <div class="ttc" id="aclasspaimon_1_1_table_read_html_abf8ade3555f99403638d211f8b353df6"><div class="ttname"><a href="classpaimon_1_1_table_read.html#abf8ade3555f99403638d211f8b353df6">paimon::TableRead::GetMemoryPool</a></div><div class="ttdeci">std::shared_ptr< MemoryPool > GetMemoryPool() const</div><div class="ttdef"><b>Definition</b> table_read.h:72</div></div> |
| <div class="ttc" id="aexecutor_8h_html"><div class="ttname"><a href="executor_8h.html">executor.h</a></div></div> |
| <div class="ttc" id="amemory__pool_8h_html"><div class="ttname"><a href="memory__pool_8h.html">memory_pool.h</a></div></div> |
| <div class="ttc" id="amemory__pool_8h_html_a147ba4ba34a215b3a4f3a95c1ee11704"><div class="ttname"><a href="memory__pool_8h.html#a147ba4ba34a215b3a4f3a95c1ee11704">PAIMON_UNIQUE_PTR</a></div><div class="ttdeci">#define PAIMON_UNIQUE_PTR</div><div class="ttdef"><b>Definition</b> memory_pool.h:219</div></div> |
| <div class="ttc" id="anamespacepaimon_html"><div class="ttname"><a href="namespacepaimon.html">paimon</a></div><div class="ttdoc">Top-level namespace for Paimon C++ API.</div><div class="ttdef"><b>Definition</b> api.h:42</div></div> |
| <div class="ttc" id="aread__context_8h_html"><div class="ttname"><a href="read__context_8h.html">read_context.h</a></div></div> |
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