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| <div class="headertitle"><div class="title">transform.h</div></div> |
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| <a href="transform_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="l00023" name="l00023"></a><span class="lineno"> 23</span> </div> |
| <div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="preprocessor">#include <cstdint></span></div> |
| <div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="preprocessor">#include <memory></span></div> |
| <div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="preprocessor">#include <string_view></span></div> |
| <div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="preprocessor">#include <utility></span></div> |
| <div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="preprocessor">#include <variant></span></div> |
| <div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div> |
| <div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span><span class="preprocessor">#include "iceberg/expression/literal.h"</span></div> |
| <div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#include "iceberg/iceberg_export.h"</span></div> |
| <div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include "iceberg/result.h"</span></div> |
| <div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</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="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include "<a class="code" href="formattable_8h.html">iceberg/util/formattable.h</a>"</span></div> |
| <div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div> |
| <div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="keyword">namespace </span>iceberg {</div> |
| <div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> </div> |
| <div class="foldopen" id="foldopen00039" data-start="{" data-end="};"> |
| <div class="line"><a id="l00039" name="l00039"></a><span class="lineno"><a class="line" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131"> 39</a></span><span class="keyword">enum class</span> <a class="code hl_enumeration" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131">TransformType</a> {</div> |
| <div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <a class="code hl_enumvalue" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131a25c2dc47991b3df171ed5192bcf70390">kUnknown</a>,</div> |
| <div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> <a class="code hl_enumvalue" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131ac7c5a181d7cc5f5733d84dd9bd778967">kIdentity</a>,</div> |
| <div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <a class="code hl_enumvalue" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131a0226618c5258d9e1e71a400e0735314d">kBucket</a>,</div> |
| <div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <a class="code hl_enumvalue" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131a6393f5467404a20b7754c5032eb69bfd">kTruncate</a>,</div> |
| <div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <a class="code hl_enumvalue" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131ae5f29bf7f42ebe083f06960f4fbe6edc">kYear</a>,</div> |
| <div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <a class="code hl_enumvalue" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131abc4d3195c11185792391cc43d779d01d">kMonth</a>,</div> |
| <div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <a class="code hl_enumvalue" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131a8f642cb82e8f76aabc6e3ff8d1dd5119">kDay</a>,</div> |
| <div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <a class="code hl_enumvalue" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131a818152297c27d28aa4c1341db214c84b">kHour</a>,</div> |
| <div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <a class="code hl_enumvalue" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131abd383557eb16fc23863cf3fc70b77ab3">kVoid</a>,</div> |
| <div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span>};</div> |
| </div> |
| <div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div> |
| <div class="foldopen" id="foldopen00062" data-start="{" data-end="}"> |
| <div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="transform_8h.html#a165e3b4437918cd461bfabe9fe5d3a91"> 62</a></span>ICEBERG_EXPORT <span class="keyword">constexpr</span> std::string_view <a class="code hl_function" href="transform_8h.html#a165e3b4437918cd461bfabe9fe5d3a91">TransformTypeToString</a>(<a class="code hl_enumeration" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131">TransformType</a> type) {</div> |
| <div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">switch</span> (type) {</div> |
| <div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keywordflow">case</span> TransformType::kUnknown:</div> |
| <div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">return</span> <span class="stringliteral">"unknown"</span>;</div> |
| <div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">case</span> TransformType::kIdentity:</div> |
| <div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">return</span> <span class="stringliteral">"identity"</span>;</div> |
| <div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keywordflow">case</span> TransformType::kBucket:</div> |
| <div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">return</span> <span class="stringliteral">"bucket"</span>;</div> |
| <div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> <span class="keywordflow">case</span> TransformType::kTruncate:</div> |
| <div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordflow">return</span> <span class="stringliteral">"truncate"</span>;</div> |
| <div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> <span class="keywordflow">case</span> TransformType::kYear:</div> |
| <div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="keywordflow">return</span> <span class="stringliteral">"year"</span>;</div> |
| <div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> <span class="keywordflow">case</span> TransformType::kMonth:</div> |
| <div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">return</span> <span class="stringliteral">"month"</span>;</div> |
| <div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keywordflow">case</span> TransformType::kDay:</div> |
| <div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">return</span> <span class="stringliteral">"day"</span>;</div> |
| <div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">case</span> TransformType::kHour:</div> |
| <div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span> <span class="stringliteral">"hour"</span>;</div> |
| <div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="keywordflow">case</span> TransformType::kVoid:</div> |
| <div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="keywordflow">return</span> <span class="stringliteral">"void"</span>;</div> |
| <div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> }</div> |
| <div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> std::unreachable();</div> |
| <div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span>}</div> |
| </div> |
| <div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div> |
| <div class="foldopen" id="foldopen00090" data-start="{" data-end="};"> |
| <div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="classiceberg_1_1Transform.html"> 90</a></span><span class="keyword">class </span>ICEBERG_EXPORT <a class="code hl_class" href="classiceberg_1_1Transform.html">Transform</a> : <span class="keyword">public</span> <a class="code hl_class" href="classiceberg_1_1util_1_1Formattable.html">util::Formattable</a> {</div> |
| <div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">public</span>:</div> |
| <div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">static</span> std::shared_ptr<Transform> Identity();</div> |
| <div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div> |
| <div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keyword">static</span> std::shared_ptr<Transform> Bucket(int32_t num_buckets);</div> |
| <div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div> |
| <div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">static</span> std::shared_ptr<Transform> Truncate(int32_t width);</div> |
| <div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div> |
| <div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">static</span> std::shared_ptr<Transform> Year();</div> |
| <div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div> |
| <div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">static</span> std::shared_ptr<Transform> Month();</div> |
| <div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div> |
| <div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keyword">static</span> std::shared_ptr<Transform> Day();</div> |
| <div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> </div> |
| <div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">static</span> std::shared_ptr<Transform> Hour();</div> |
| <div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div> |
| <div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="keyword">static</span> std::shared_ptr<Transform> Void();</div> |
| <div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> </div> |
| <div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <a class="code hl_enumeration" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131">TransformType</a> transform_type() <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> </div> |
| <div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> Result<std::shared_ptr<TransformFunction>> Bind(</div> |
| <div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">const</span> std::shared_ptr<Type>& source_type) <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div> |
| <div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordtype">bool</span> CanTransform(<span class="keyword">const</span> <a class="code hl_class" href="classiceberg_1_1Type.html">Type</a>& source_type) <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div> |
| <div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keywordtype">bool</span> PreservesOrder() <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div> |
| <div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordtype">bool</span> SatisfiesOrderOf(<span class="keyword">const</span> <a class="code hl_class" href="classiceberg_1_1Transform.html">Transform</a>& other) <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> </div> |
| <div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> Result<std::unique_ptr<UnboundPredicate>> Project(</div> |
| <div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> std::string_view name, <span class="keyword">const</span> std::shared_ptr<BoundPredicate>& predicate);</div> |
| <div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> </div> |
| <div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> Result<std::unique_ptr<UnboundPredicate>> ProjectStrict(</div> |
| <div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> std::string_view name, <span class="keyword">const</span> std::shared_ptr<BoundPredicate>& predicate);</div> |
| <div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div> |
| <div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> Result<std::string> ToHumanString(<span class="keyword">const</span> <a class="code hl_class" href="classiceberg_1_1Literal.html">Literal</a>& value);</div> |
| <div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div> |
| <div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> std::string ToString() <span class="keyword">const override</span>;</div> |
| <div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> </div> |
| <div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> std::string DedupName() <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> </div> |
| <div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> Result<std::string> GeneratePartitionName(std::string_view source_name) <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> </div> |
| <div class="foldopen" id="foldopen00216" data-start="{" data-end="};"> |
| <div class="line"><a id="l00216" name="l00216"></a><span class="lineno"><a class="line" href="classiceberg_1_1Transform.html#a5ca5534f6d0509012ab3f8e05c752c69"> 216</a></span> <span class="keyword">friend</span> <span class="keywordtype">bool</span> <a class="code hl_friend" href="classiceberg_1_1Transform.html#a5ca5534f6d0509012ab3f8e05c752c69">operator==</a>(<span class="keyword">const</span> <a class="code hl_class" href="classiceberg_1_1Transform.html">Transform</a>& lhs, <span class="keyword">const</span> <a class="code hl_class" href="classiceberg_1_1Transform.html">Transform</a>& rhs) {</div> |
| <div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <span class="keywordflow">return</span> lhs.Equals(rhs);</div> |
| <div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> }</div> |
| </div> |
| <div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> </div> |
| <div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keyword">private</span>:</div> |
| <div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keyword">explicit</span> <a class="code hl_class" href="classiceberg_1_1Transform.html">Transform</a>(<a class="code hl_enumeration" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131">TransformType</a> transform_type);</div> |
| <div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div> |
| <div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <a class="code hl_class" href="classiceberg_1_1Transform.html">Transform</a>(<a class="code hl_enumeration" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131">TransformType</a> transform_type, int32_t param);</div> |
| <div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> </div> |
| <div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> [[nodiscard]] <span class="keyword">virtual</span> <span class="keywordtype">bool</span> Equals(<span class="keyword">const</span> <a class="code hl_class" href="classiceberg_1_1Transform.html">Transform</a>& other) <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> </div> |
| <div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <a class="code hl_enumeration" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131">TransformType</a> transform_type_;</div> |
| <div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> std::variant<std::monostate, int32_t> param_;</div> |
| <div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span>};</div> |
| </div> |
| <div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span>ICEBERG_EXPORT Result<std::shared_ptr<Transform>> TransformFromString(</div> |
| <div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> std::string_view transform_str);</div> |
| <div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> </div> |
| <div class="foldopen" id="foldopen00251" data-start="{" data-end="};"> |
| <div class="line"><a id="l00251" name="l00251"></a><span class="lineno"><a class="line" href="classiceberg_1_1TransformFunction.html"> 251</a></span><span class="keyword">class </span>ICEBERG_EXPORT <a class="code hl_class" href="classiceberg_1_1TransformFunction.html">TransformFunction</a> {</div> |
| <div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keyword">public</span>:</div> |
| <div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keyword">virtual</span> <a class="code hl_class" href="classiceberg_1_1TransformFunction.html">~TransformFunction</a>() = <span class="keywordflow">default</span>;</div> |
| <div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <a class="code hl_class" href="classiceberg_1_1TransformFunction.html">TransformFunction</a>(<a class="code hl_enumeration" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131">TransformType</a> transform_type, std::shared_ptr<Type> source_type);</div> |
| <div class="line"><a id="l00258" name="l00258"></a><span class="lineno"><a class="line" href="classiceberg_1_1TransformFunction.html#afb1c573d9bd098c76d858f476ef16f3f"> 258</a></span> <span class="keyword">virtual</span> Result<Literal> <a class="code hl_function" href="classiceberg_1_1TransformFunction.html#afb1c573d9bd098c76d858f476ef16f3f">Transform</a>(<span class="keyword">const</span> <a class="code hl_class" href="classiceberg_1_1Literal.html">Literal</a>& literal) = 0;</div> |
| <div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <a class="code hl_enumeration" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131">TransformType</a> transform_type() <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="keyword">const</span> std::shared_ptr<Type>& source_type() <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00269" name="l00269"></a><span class="lineno"><a class="line" href="classiceberg_1_1TransformFunction.html#a82841b58ce6380a7467bccf57e18e0d5"> 269</a></span> <span class="keyword">virtual</span> std::shared_ptr<Type> <a class="code hl_function" href="classiceberg_1_1TransformFunction.html#a82841b58ce6380a7467bccf57e18e0d5">ResultType</a>() <span class="keyword">const</span> = 0;</div> |
| <div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> </div> |
| <div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keyword">friend</span> <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> <a class="code hl_class" href="classiceberg_1_1TransformFunction.html">TransformFunction</a>& lhs, <span class="keyword">const</span> <a class="code hl_class" href="classiceberg_1_1TransformFunction.html">TransformFunction</a>& rhs) {</div> |
| <div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="keywordflow">return</span> lhs.Equals(rhs);</div> |
| <div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> }</div> |
| <div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> </div> |
| <div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keyword">private</span>:</div> |
| <div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> [[nodiscard]] <span class="keyword">virtual</span> <span class="keywordtype">bool</span> Equals(<span class="keyword">const</span> <a class="code hl_class" href="classiceberg_1_1TransformFunction.html">TransformFunction</a>& other) <span class="keyword">const</span>;</div> |
| <div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> </div> |
| <div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <a class="code hl_enumeration" href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131">TransformType</a> transform_type_;</div> |
| <div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> std::shared_ptr<Type> source_type_;</div> |
| <div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span>};</div> |
| </div> |
| <div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div> |
| <div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span>} <span class="comment">// namespace iceberg</span></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:39</div></div> |
| <div class="ttc" id="aclassiceberg_1_1TransformFunction_html"><div class="ttname"><a href="classiceberg_1_1TransformFunction.html">iceberg::TransformFunction</a></div><div class="ttdoc">A transform function used for partitioning.</div><div class="ttdef"><b>Definition</b> transform.h:251</div></div> |
| <div class="ttc" id="aclassiceberg_1_1TransformFunction_html_a82841b58ce6380a7467bccf57e18e0d5"><div class="ttname"><a href="classiceberg_1_1TransformFunction.html#a82841b58ce6380a7467bccf57e18e0d5">iceberg::TransformFunction::ResultType</a></div><div class="ttdeci">virtual std::shared_ptr< Type > ResultType() const =0</div><div class="ttdoc">Get the result type of transform function.</div></div> |
| <div class="ttc" id="aclassiceberg_1_1TransformFunction_html_afb1c573d9bd098c76d858f476ef16f3f"><div class="ttname"><a href="classiceberg_1_1TransformFunction.html#afb1c573d9bd098c76d858f476ef16f3f">iceberg::TransformFunction::Transform</a></div><div class="ttdeci">virtual Result< Literal > Transform(const Literal &literal)=0</div><div class="ttdoc">Transform an input Literal to a new Literal.</div></div> |
| <div class="ttc" id="aclassiceberg_1_1Transform_html"><div class="ttname"><a href="classiceberg_1_1Transform.html">iceberg::Transform</a></div><div class="ttdoc">Represents a transform used in partitioning or sorting in Iceberg.</div><div class="ttdef"><b>Definition</b> transform.h:90</div></div> |
| <div class="ttc" id="aclassiceberg_1_1Transform_html_a5ca5534f6d0509012ab3f8e05c752c69"><div class="ttname"><a href="classiceberg_1_1Transform.html#a5ca5534f6d0509012ab3f8e05c752c69">iceberg::Transform::operator==</a></div><div class="ttdeci">friend bool operator==(const Transform &lhs, const Transform &rhs)</div><div class="ttdoc">Equality comparison.</div><div class="ttdef"><b>Definition</b> transform.h:216</div></div> |
| <div class="ttc" id="aclassiceberg_1_1Type_html"><div class="ttname"><a href="classiceberg_1_1Type.html">iceberg::Type</a></div><div class="ttdoc">Interface for a data type for a field.</div><div class="ttdef"><b>Definition</b> type.h:44</div></div> |
| <div class="ttc" id="aclassiceberg_1_1util_1_1Formattable_html"><div class="ttname"><a href="classiceberg_1_1util_1_1Formattable.html">iceberg::util::Formattable</a></div><div class="ttdoc">Interface for objects that can be formatted via std::format.</div><div class="ttdef"><b>Definition</b> formattable.h:36</div></div> |
| <div class="ttc" id="aformattable_8h_html"><div class="ttname"><a href="formattable_8h.html">formattable.h</a></div></div> |
| <div class="ttc" id="atransform_8h_html_a165e3b4437918cd461bfabe9fe5d3a91"><div class="ttname"><a href="transform_8h.html#a165e3b4437918cd461bfabe9fe5d3a91">iceberg::TransformTypeToString</a></div><div class="ttdeci">ICEBERG_EXPORT constexpr std::string_view TransformTypeToString(TransformType type)</div><div class="ttdoc">Get the relative transform name.</div><div class="ttdef"><b>Definition</b> transform.h:62</div></div> |
| <div class="ttc" id="atransform_8h_html_a78b299cfdfb0b9631ca6fc520bd1b131"><div class="ttname"><a href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131">iceberg::TransformType</a></div><div class="ttdeci">TransformType</div><div class="ttdoc">Transform types used for partitioning.</div><div class="ttdef"><b>Definition</b> transform.h:39</div></div> |
| <div class="ttc" id="atransform_8h_html_a78b299cfdfb0b9631ca6fc520bd1b131a0226618c5258d9e1e71a400e0735314d"><div class="ttname"><a href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131a0226618c5258d9e1e71a400e0735314d">iceberg::TransformType::kBucket</a></div><div class="ttdeci">@ kBucket</div><div class="ttdoc">Hash of value, mod N</div></div> |
| <div class="ttc" id="atransform_8h_html_a78b299cfdfb0b9631ca6fc520bd1b131a25c2dc47991b3df171ed5192bcf70390"><div class="ttname"><a href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131a25c2dc47991b3df171ed5192bcf70390">iceberg::TransformType::kUnknown</a></div><div class="ttdeci">@ kUnknown</div></div> |
| <div class="ttc" id="atransform_8h_html_a78b299cfdfb0b9631ca6fc520bd1b131a6393f5467404a20b7754c5032eb69bfd"><div class="ttname"><a href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131a6393f5467404a20b7754c5032eb69bfd">iceberg::TransformType::kTruncate</a></div><div class="ttdeci">@ kTruncate</div><div class="ttdoc">Value truncated to width W</div></div> |
| <div class="ttc" id="atransform_8h_html_a78b299cfdfb0b9631ca6fc520bd1b131a818152297c27d28aa4c1341db214c84b"><div class="ttname"><a href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131a818152297c27d28aa4c1341db214c84b">iceberg::TransformType::kHour</a></div><div class="ttdeci">@ kHour</div><div class="ttdoc">Extract a timestamp hour, as hours from 1970-01-01 00:00:00.</div></div> |
| <div class="ttc" id="atransform_8h_html_a78b299cfdfb0b9631ca6fc520bd1b131a8f642cb82e8f76aabc6e3ff8d1dd5119"><div class="ttname"><a href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131a8f642cb82e8f76aabc6e3ff8d1dd5119">iceberg::TransformType::kDay</a></div><div class="ttdeci">@ kDay</div><div class="ttdoc">Extract a date or timestamp day, as days from 1970-01-01.</div></div> |
| <div class="ttc" id="atransform_8h_html_a78b299cfdfb0b9631ca6fc520bd1b131abc4d3195c11185792391cc43d779d01d"><div class="ttname"><a href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131abc4d3195c11185792391cc43d779d01d">iceberg::TransformType::kMonth</a></div><div class="ttdeci">@ kMonth</div><div class="ttdoc">Extract a date or timestamp month, as months from 1970-01.</div></div> |
| <div class="ttc" id="atransform_8h_html_a78b299cfdfb0b9631ca6fc520bd1b131abd383557eb16fc23863cf3fc70b77ab3"><div class="ttname"><a href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131abd383557eb16fc23863cf3fc70b77ab3">iceberg::TransformType::kVoid</a></div><div class="ttdeci">@ kVoid</div><div class="ttdoc">Always produces null</div></div> |
| <div class="ttc" id="atransform_8h_html_a78b299cfdfb0b9631ca6fc520bd1b131ac7c5a181d7cc5f5733d84dd9bd778967"><div class="ttname"><a href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131ac7c5a181d7cc5f5733d84dd9bd778967">iceberg::TransformType::kIdentity</a></div><div class="ttdeci">@ kIdentity</div><div class="ttdoc">Equal to source value, unmodified.</div></div> |
| <div class="ttc" id="atransform_8h_html_a78b299cfdfb0b9631ca6fc520bd1b131ae5f29bf7f42ebe083f06960f4fbe6edc"><div class="ttname"><a href="transform_8h.html#a78b299cfdfb0b9631ca6fc520bd1b131ae5f29bf7f42ebe083f06960f4fbe6edc">iceberg::TransformType::kYear</a></div><div class="ttdeci">@ kYear</div><div class="ttdoc">Extract a date or timestamp year, as years from 1970.</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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