mkdocs/docs/api/classiceberg_1_1DeleteLoader.html - iceberg-cpp - Git at Google

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 <li class="navelem"><b>iceberg</b></li><li class="navelem"><a class="el" href="classiceberg_1_1DeleteLoader.html">DeleteLoader</a></li>  </ul>
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 <div class="header">
   <div class="summary">
 <a href="#pub-methods">Public Member Functions</a> &#124;
 <a href="classiceberg_1_1DeleteLoader-members.html">List of all members</a>  </div>
   <div class="headertitle"><div class="title">iceberg::DeleteLoader Class Reference</div></div>
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 <p>Loads delete files and constructs in-memory delete indexes.
  <a href="classiceberg_1_1DeleteLoader.html#details">More...</a></p>

 <p><code>#include &lt;<a class="el" href="delete__loader_8h_source.html">delete_loader.h</a>&gt;</code></p>
 <table class="memberdecls">
 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
 Public Member Functions</h2></td></tr>
 <tr class="memitem:a6b7c34d6dbd2c1ba2ff1c21b11ff07eb" id="r_a6b7c34d6dbd2c1ba2ff1c21b11ff07eb"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1DeleteLoader.html#a6b7c34d6dbd2c1ba2ff1c21b11ff07eb">DeleteLoader</a> (std::shared_ptr&lt; <a class="el" href="classiceberg_1_1FileIO.html">FileIO</a> &gt; io)</td></tr>
 <tr class="memdesc:a6b7c34d6dbd2c1ba2ff1c21b11ff07eb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Create a <a class="el" href="classiceberg_1_1DeleteLoader.html" title="Loads delete files and constructs in-memory delete indexes.">DeleteLoader</a>.  <br /></td></tr>
 <tr class="separator:a6b7c34d6dbd2c1ba2ff1c21b11ff07eb"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:abb3f9974fdcfe3b36e863264daf6d990" id="r_abb3f9974fdcfe3b36e863264daf6d990"><td class="memItemLeft" align="right" valign="top">Result&lt; <a class="el" href="classiceberg_1_1PositionDeleteIndex.html">PositionDeleteIndex</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1DeleteLoader.html#abb3f9974fdcfe3b36e863264daf6d990">LoadPositionDeletes</a> (std::span&lt; const std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt; &gt; delete_files, std::string_view data_file_path) const</td></tr>
 <tr class="memdesc:abb3f9974fdcfe3b36e863264daf6d990"><td class="mdescLeft">&#160;</td><td class="mdescRight">Load position deletes for a specific data file.  <br /></td></tr>
 <tr class="separator:abb3f9974fdcfe3b36e863264daf6d990"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a37fbf5e8ee0d659770564a0ed7f7ad65" id="r_a37fbf5e8ee0d659770564a0ed7f7ad65"><td class="memItemLeft" align="right" valign="top">Result&lt; std::unique_ptr&lt; <a class="el" href="classiceberg_1_1StructLikeSet.html">UncheckedStructLikeSet</a> &gt; &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1DeleteLoader.html#a37fbf5e8ee0d659770564a0ed7f7ad65">LoadEqualityDeletes</a> (std::span&lt; const std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt; &gt; delete_files, const <a class="el" href="classiceberg_1_1StructType.html">StructType</a> &amp;equality_type) const</td></tr>
 <tr class="memdesc:a37fbf5e8ee0d659770564a0ed7f7ad65"><td class="mdescLeft">&#160;</td><td class="mdescRight">Load equality deletes into an in-memory set.  <br /></td></tr>
 <tr class="separator:a37fbf5e8ee0d659770564a0ed7f7ad65"><td class="memSeparator" colspan="2">&#160;</td></tr>
 </table>
 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 <div class="textblock"><p>Loads delete files and constructs in-memory delete indexes. </p>
 </div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
 <a id="a6b7c34d6dbd2c1ba2ff1c21b11ff07eb" name="a6b7c34d6dbd2c1ba2ff1c21b11ff07eb"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#a6b7c34d6dbd2c1ba2ff1c21b11ff07eb">&#9670;&#160;</a></span>DeleteLoader()</h2>

 <div class="memitem">
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           <td class="memname">iceberg::DeleteLoader::DeleteLoader </td>
           <td>(</td>
           <td class="paramtype">std::shared_ptr&lt; <a class="el" href="classiceberg_1_1FileIO.html">FileIO</a> &gt;&#160;</td>
           <td class="paramname"><em>io</em></td><td>)</td>
           <td></td>
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   <td class="mlabels-right">
 <span class="mlabels"><span class="mlabel">explicit</span></span>  </td>
   </tr>
 </table>
 </div><div class="memdoc">

 <p>Create a <a class="el" href="classiceberg_1_1DeleteLoader.html" title="Loads delete files and constructs in-memory delete indexes.">DeleteLoader</a>. </p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramname">io</td><td><a class="el" href="classiceberg_1_1FileIO.html" title="Pluggable module for reading, writing, and deleting files.">FileIO</a> instance for reading delete files </td></tr>
   </table>
   </dd>
 </dl>

 </div>
 </div>
 <h2 class="groupheader">Member Function Documentation</h2>
 <a id="a37fbf5e8ee0d659770564a0ed7f7ad65" name="a37fbf5e8ee0d659770564a0ed7f7ad65"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#a37fbf5e8ee0d659770564a0ed7f7ad65">&#9670;&#160;</a></span>LoadEqualityDeletes()</h2>

 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
           <td class="memname">Result&lt; std::unique_ptr&lt; <a class="el" href="classiceberg_1_1StructLikeSet.html">UncheckedStructLikeSet</a> &gt; &gt; iceberg::DeleteLoader::LoadEqualityDeletes </td>
           <td>(</td>
           <td class="paramtype">std::span&lt; const std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt; &gt;&#160;</td>
           <td class="paramname"><em>delete_files</em>, </td>
         </tr>
         <tr>
           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype">const <a class="el" href="classiceberg_1_1StructType.html">StructType</a> &amp;&#160;</td>
           <td class="paramname"><em>equality_type</em>&#160;</td>
         </tr>
         <tr>
           <td></td>
           <td>)</td>
           <td></td><td> const</td>
         </tr>
       </table>
 </div><div class="memdoc">

 <p>Load equality deletes into an in-memory set. </p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramname">delete_files</td><td>Equality delete files to load (must have content == Content::kEqualityDeletes) </td></tr>
     <tr><td class="paramname">equality_type</td><td>The struct type describing the equality columns </td></tr>
   </table>
   </dd>
 </dl>
 <dl class="section return"><dt>Returns</dt><dd>A <a class="el" href="classiceberg_1_1StructLikeSet.html" title="A set of StructLike rows with type-aware hashing and equality.">StructLikeSet</a> containing the deleted rows </dd></dl>

 </div>
 </div>
 <a id="abb3f9974fdcfe3b36e863264daf6d990" name="abb3f9974fdcfe3b36e863264daf6d990"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#abb3f9974fdcfe3b36e863264daf6d990">&#9670;&#160;</a></span>LoadPositionDeletes()</h2>

 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
           <td class="memname">Result&lt; <a class="el" href="classiceberg_1_1PositionDeleteIndex.html">PositionDeleteIndex</a> &gt; iceberg::DeleteLoader::LoadPositionDeletes </td>
           <td>(</td>
           <td class="paramtype">std::span&lt; const std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt; &gt;&#160;</td>
           <td class="paramname"><em>delete_files</em>, </td>
         </tr>
         <tr>
           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype">std::string_view&#160;</td>
           <td class="paramname"><em>data_file_path</em>&#160;</td>
         </tr>
         <tr>
           <td></td>
           <td>)</td>
           <td></td><td> const</td>
         </tr>
       </table>
 </div><div class="memdoc">

 <p>Load position deletes for a specific data file. </p>
 <p>Reads the given position delete files and returns a <a class="el" href="classiceberg_1_1PositionDeleteIndex.html" title="Tracks deleted row positions using a bitmap.">PositionDeleteIndex</a> containing only the positions that apply to the specified data file path. Supports both regular position delete files and deletion vectors.</p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramname">delete_files</td><td>Position delete files to load (must have content == Content::kPositionDeletes) </td></tr>
     <tr><td class="paramname">data_file_path</td><td>Path of the data file to filter positions for </td></tr>
   </table>
   </dd>
 </dl>
 <dl class="section return"><dt>Returns</dt><dd>A <a class="el" href="classiceberg_1_1PositionDeleteIndex.html" title="Tracks deleted row positions using a bitmap.">PositionDeleteIndex</a> with deleted positions for the data file </dd></dl>

 </div>
 </div>
 <hr/>The documentation for this class was generated from the following files:<ul>
 <li>iceberg/data/<a class="el" href="delete__loader_8h_source.html">delete_loader.h</a></li>
 <li>iceberg/data/<b>delete_loader.cc</b></li>
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	<div id="nav-path" class="navpath">
	<ul>
	<li class="navelem"><b>iceberg</b></li><li class="navelem"><a class="el" href="classiceberg_1_1DeleteLoader.html">DeleteLoader</a></li> </ul>
	</div>
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	<div class="header">
	<div class="summary">
	<a href="#pub-methods">Public Member Functions</a> \|
	<a href="classiceberg_1_1DeleteLoader-members.html">List of all members</a> </div>
	<div class="headertitle"><div class="title">iceberg::DeleteLoader Class Reference</div></div>
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	<div class="contents">

	<p>Loads delete files and constructs in-memory delete indexes.
	<a href="classiceberg_1_1DeleteLoader.html#details">More...</a></p>

	<p><code>#include <<a class="el" href="delete__loader_8h_source.html">delete_loader.h</a>></code></p>
	<table class="memberdecls">
	<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
	Public Member Functions</h2></td></tr>
	<tr class="memitem:a6b7c34d6dbd2c1ba2ff1c21b11ff07eb" id="r_a6b7c34d6dbd2c1ba2ff1c21b11ff07eb"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1DeleteLoader.html#a6b7c34d6dbd2c1ba2ff1c21b11ff07eb">DeleteLoader</a> (std::shared_ptr< <a class="el" href="classiceberg_1_1FileIO.html">FileIO</a> > io)</td></tr>
	<tr class="memdesc:a6b7c34d6dbd2c1ba2ff1c21b11ff07eb"><td class="mdescLeft"> </td><td class="mdescRight">Create a <a class="el" href="classiceberg_1_1DeleteLoader.html" title="Loads delete files and constructs in-memory delete indexes.">DeleteLoader</a>. <br /></td></tr>
	<tr class="separator:a6b7c34d6dbd2c1ba2ff1c21b11ff07eb"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:abb3f9974fdcfe3b36e863264daf6d990" id="r_abb3f9974fdcfe3b36e863264daf6d990"><td class="memItemLeft" align="right" valign="top">Result< <a class="el" href="classiceberg_1_1PositionDeleteIndex.html">PositionDeleteIndex</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1DeleteLoader.html#abb3f9974fdcfe3b36e863264daf6d990">LoadPositionDeletes</a> (std::span< const std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > > delete_files, std::string_view data_file_path) const</td></tr>
	<tr class="memdesc:abb3f9974fdcfe3b36e863264daf6d990"><td class="mdescLeft"> </td><td class="mdescRight">Load position deletes for a specific data file. <br /></td></tr>
	<tr class="separator:abb3f9974fdcfe3b36e863264daf6d990"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:a37fbf5e8ee0d659770564a0ed7f7ad65" id="r_a37fbf5e8ee0d659770564a0ed7f7ad65"><td class="memItemLeft" align="right" valign="top">Result< std::unique_ptr< <a class="el" href="classiceberg_1_1StructLikeSet.html">UncheckedStructLikeSet</a> > > </td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1DeleteLoader.html#a37fbf5e8ee0d659770564a0ed7f7ad65">LoadEqualityDeletes</a> (std::span< const std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > > delete_files, const <a class="el" href="classiceberg_1_1StructType.html">StructType</a> &equality_type) const</td></tr>
	<tr class="memdesc:a37fbf5e8ee0d659770564a0ed7f7ad65"><td class="mdescLeft"> </td><td class="mdescRight">Load equality deletes into an in-memory set. <br /></td></tr>
	<tr class="separator:a37fbf5e8ee0d659770564a0ed7f7ad65"><td class="memSeparator" colspan="2"> </td></tr>
	</table>
	<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
	<div class="textblock"><p>Loads delete files and constructs in-memory delete indexes. </p>
	</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
	<a id="a6b7c34d6dbd2c1ba2ff1c21b11ff07eb" name="a6b7c34d6dbd2c1ba2ff1c21b11ff07eb"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#a6b7c34d6dbd2c1ba2ff1c21b11ff07eb">◆ </a></span>DeleteLoader()</h2>

	<div class="memitem">
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	<table class="memname">
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	<td class="memname">iceberg::DeleteLoader::DeleteLoader </td>
	<td>(</td>
	<td class="paramtype">std::shared_ptr< <a class="el" href="classiceberg_1_1FileIO.html">FileIO</a> > </td>
	<td class="paramname"><em>io</em></td><td>)</td>
	<td></td>
	</tr>
	</table>
	</td>
	<td class="mlabels-right">
	<span class="mlabels"><span class="mlabel">explicit</span></span> </td>
	</tr>
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	</div><div class="memdoc">

	<p>Create a <a class="el" href="classiceberg_1_1DeleteLoader.html" title="Loads delete files and constructs in-memory delete indexes.">DeleteLoader</a>. </p>
	<dl class="params"><dt>Parameters</dt><dd>
	<table class="params">
	<tr><td class="paramname">io</td><td><a class="el" href="classiceberg_1_1FileIO.html" title="Pluggable module for reading, writing, and deleting files.">FileIO</a> instance for reading delete files </td></tr>
	</table>
	</dd>
	</dl>

	</div>
	</div>
	<h2 class="groupheader">Member Function Documentation</h2>
	<a id="a37fbf5e8ee0d659770564a0ed7f7ad65" name="a37fbf5e8ee0d659770564a0ed7f7ad65"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#a37fbf5e8ee0d659770564a0ed7f7ad65">◆ </a></span>LoadEqualityDeletes()</h2>

	<div class="memitem">
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	<td class="memname">Result< std::unique_ptr< <a class="el" href="classiceberg_1_1StructLikeSet.html">UncheckedStructLikeSet</a> > > iceberg::DeleteLoader::LoadEqualityDeletes </td>
	<td>(</td>
	<td class="paramtype">std::span< const std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > > </td>
	<td class="paramname"><em>delete_files</em>, </td>
	</tr>
	<tr>
	<td class="paramkey"></td>
	<td></td>
	<td class="paramtype">const <a class="el" href="classiceberg_1_1StructType.html">StructType</a> & </td>
	<td class="paramname"><em>equality_type</em> </td>
	</tr>
	<tr>
	<td></td>
	<td>)</td>
	<td></td><td> const</td>
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	<p>Load equality deletes into an in-memory set. </p>
	<dl class="params"><dt>Parameters</dt><dd>
	<table class="params">
	<tr><td class="paramname">delete_files</td><td>Equality delete files to load (must have content == Content::kEqualityDeletes) </td></tr>
	<tr><td class="paramname">equality_type</td><td>The struct type describing the equality columns </td></tr>
	</table>
	</dd>
	</dl>
	<dl class="section return"><dt>Returns</dt><dd>A <a class="el" href="classiceberg_1_1StructLikeSet.html" title="A set of StructLike rows with type-aware hashing and equality.">StructLikeSet</a> containing the deleted rows </dd></dl>

	</div>
	</div>
	<a id="abb3f9974fdcfe3b36e863264daf6d990" name="abb3f9974fdcfe3b36e863264daf6d990"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#abb3f9974fdcfe3b36e863264daf6d990">◆ </a></span>LoadPositionDeletes()</h2>

	<div class="memitem">
	<div class="memproto">
	<table class="memname">
	<tr>
	<td class="memname">Result< <a class="el" href="classiceberg_1_1PositionDeleteIndex.html">PositionDeleteIndex</a> > iceberg::DeleteLoader::LoadPositionDeletes </td>
	<td>(</td>
	<td class="paramtype">std::span< const std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > > </td>
	<td class="paramname"><em>delete_files</em>, </td>
	</tr>
	<tr>
	<td class="paramkey"></td>
	<td></td>
	<td class="paramtype">std::string_view </td>
	<td class="paramname"><em>data_file_path</em> </td>
	</tr>
	<tr>
	<td></td>
	<td>)</td>
	<td></td><td> const</td>
	</tr>
	</table>
	</div><div class="memdoc">

	<p>Load position deletes for a specific data file. </p>
	<p>Reads the given position delete files and returns a <a class="el" href="classiceberg_1_1PositionDeleteIndex.html" title="Tracks deleted row positions using a bitmap.">PositionDeleteIndex</a> containing only the positions that apply to the specified data file path. Supports both regular position delete files and deletion vectors.</p>
	<dl class="params"><dt>Parameters</dt><dd>
	<table class="params">
	<tr><td class="paramname">delete_files</td><td>Position delete files to load (must have content == Content::kPositionDeletes) </td></tr>
	<tr><td class="paramname">data_file_path</td><td>Path of the data file to filter positions for </td></tr>
	</table>
	</dd>
	</dl>
	<dl class="section return"><dt>Returns</dt><dd>A <a class="el" href="classiceberg_1_1PositionDeleteIndex.html" title="Tracks deleted row positions using a bitmap.">PositionDeleteIndex</a> with deleted positions for the data file </dd></dl>

	</div>
	</div>
	<hr/>The documentation for this class was generated from the following files:<ul>
	<li>iceberg/data/<a class="el" href="delete__loader_8h_source.html">delete_loader.h</a></li>
	<li>iceberg/data/<b>delete_loader.cc</b></li>
	</ul>
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