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<li class="navelem"><a class="el" href="namespaceiceberg.html">iceberg</a></li><li class="navelem"><a class="el" href="classiceberg_1_1AddedRowsScanTask.html">AddedRowsScanTask</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
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<p>A scan task for inserts generated by adding a data file to the table.
<a href="classiceberg_1_1AddedRowsScanTask.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="table__scan_8h_source.html">table_scan.h</a>&gt;</code></p>
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Inheritance diagram for iceberg::AddedRowsScanTask:</div>
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<img src="classiceberg_1_1AddedRowsScanTask.png" usemap="#iceberg::AddedRowsScanTask_map" alt=""/>
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<area href="classiceberg_1_1ChangelogScanTask.html" title="A scan task for reading changelog entries between snapshots." alt="iceberg::ChangelogScanTask" shape="rect" coords="0,56,183,80"/>
<area href="classiceberg_1_1ScanTask.html" title="An abstract scan task." alt="iceberg::ScanTask" shape="rect" coords="0,0,183,24"/>
</map>
</div></div>
<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:a60f1fa1ab41abc5925c0c016032667af" id="r_a60f1fa1ab41abc5925c0c016032667af"><td class="memItemLeft" align="right" valign="top">ChangelogOperation&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1AddedRowsScanTask.html#a60f1fa1ab41abc5925c0c016032667af">operation</a> () const override</td></tr>
<tr class="separator:a60f1fa1ab41abc5925c0c016032667af"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a244173d0d2699f66be7c8fe21f092aa8" id="r_a244173d0d2699f66be7c8fe21f092aa8"><td class="memItemLeft" align="right" valign="top"><a id="a244173d0d2699f66be7c8fe21f092aa8" name="a244173d0d2699f66be7c8fe21f092aa8"></a>
const std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt; &amp;&#160;</td><td class="memItemRight" valign="bottom"><b>data_file</b> () const</td></tr>
<tr class="memdesc:a244173d0d2699f66be7c8fe21f092aa8"><td class="mdescLeft">&#160;</td><td class="mdescRight">The data file containing the added rows. <br /></td></tr>
<tr class="separator:a244173d0d2699f66be7c8fe21f092aa8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4487704b479bc303c377b41f432b2cb8" id="r_a4487704b479bc303c377b41f432b2cb8"><td class="memItemLeft" align="right" valign="top">const std::vector&lt; std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt; &gt; &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1AddedRowsScanTask.html#a4487704b479bc303c377b41f432b2cb8">delete_files</a> () const</td></tr>
<tr class="memdesc:a4487704b479bc303c377b41f432b2cb8"><td class="mdescLeft">&#160;</td><td class="mdescRight">A list of delete files to apply when reading the data file in this task. <br /></td></tr>
<tr class="separator:a4487704b479bc303c377b41f432b2cb8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9e2f454c8e7c00a0b4bdabde62678272" id="r_a9e2f454c8e7c00a0b4bdabde62678272"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1AddedRowsScanTask.html#a9e2f454c8e7c00a0b4bdabde62678272">ChangelogScanTask</a> (int32_t <a class="el" href="classiceberg_1_1ChangelogScanTask.html#a160098d1828a8fb9d8bef1e420bb7f69">change_ordinal</a>, int64_t <a class="el" href="classiceberg_1_1ChangelogScanTask.html#a45fd4b830f7b10ae26591fb6786cc221">commit_snapshot_id</a>, std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt; <a class="el" href="classiceberg_1_1AddedRowsScanTask.html#a244173d0d2699f66be7c8fe21f092aa8">data_file</a>, std::vector&lt; std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt; &gt; <a class="el" href="classiceberg_1_1AddedRowsScanTask.html#a4487704b479bc303c377b41f432b2cb8">delete_files</a>={}, std::shared_ptr&lt; <a class="el" href="classiceberg_1_1Expression.html">Expression</a> &gt; <a class="el" href="classiceberg_1_1ChangelogScanTask.html#aeb1748029814282a872b4bead4221b09">residual_filter</a>=nullptr)</td></tr>
<tr class="memdesc:a9e2f454c8e7c00a0b4bdabde62678272"><td class="mdescLeft">&#160;</td><td class="mdescRight">Construct an <a class="el" href="classiceberg_1_1AddedRowsScanTask.html" title="A scan task for inserts generated by adding a data file to the table.">AddedRowsScanTask</a>. <br /></td></tr>
<tr class="separator:a9e2f454c8e7c00a0b4bdabde62678272"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classiceberg_1_1ChangelogScanTask"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classiceberg_1_1ChangelogScanTask')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classiceberg_1_1ChangelogScanTask.html">iceberg::ChangelogScanTask</a></td></tr>
<tr class="memitem:a9e2f454c8e7c00a0b4bdabde62678272 inherit pub_methods_classiceberg_1_1ChangelogScanTask" id="r_a9e2f454c8e7c00a0b4bdabde62678272"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ChangelogScanTask.html#a9e2f454c8e7c00a0b4bdabde62678272">ChangelogScanTask</a> (int32_t <a class="el" href="classiceberg_1_1ChangelogScanTask.html#a160098d1828a8fb9d8bef1e420bb7f69">change_ordinal</a>, int64_t <a class="el" href="classiceberg_1_1ChangelogScanTask.html#a45fd4b830f7b10ae26591fb6786cc221">commit_snapshot_id</a>, std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt; data_file, std::vector&lt; std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt; &gt; delete_files={}, std::shared_ptr&lt; <a class="el" href="classiceberg_1_1Expression.html">Expression</a> &gt; <a class="el" href="classiceberg_1_1ChangelogScanTask.html#aeb1748029814282a872b4bead4221b09">residual_filter</a>=nullptr)</td></tr>
<tr class="memdesc:a9e2f454c8e7c00a0b4bdabde62678272 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="mdescLeft">&#160;</td><td class="mdescRight">Construct an <a class="el" href="classiceberg_1_1AddedRowsScanTask.html" title="A scan task for inserts generated by adding a data file to the table.">AddedRowsScanTask</a>. <br /></td></tr>
<tr class="separator:a9e2f454c8e7c00a0b4bdabde62678272 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ace10d0cf9753b1b3dbb0289071c2d155 inherit pub_methods_classiceberg_1_1ChangelogScanTask" id="r_ace10d0cf9753b1b3dbb0289071c2d155"><td class="memItemLeft" align="right" valign="top">Kind&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ChangelogScanTask.html#ace10d0cf9753b1b3dbb0289071c2d155">kind</a> () const override</td></tr>
<tr class="memdesc:ace10d0cf9753b1b3dbb0289071c2d155 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="mdescLeft">&#160;</td><td class="mdescRight">The kind of scan task. <br /></td></tr>
<tr class="separator:ace10d0cf9753b1b3dbb0289071c2d155 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0a3b4dd22854acb631e33271dd9a1250 inherit pub_methods_classiceberg_1_1ChangelogScanTask" id="r_a0a3b4dd22854acb631e33271dd9a1250"><td class="memItemLeft" align="right" valign="top">int64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ChangelogScanTask.html#a0a3b4dd22854acb631e33271dd9a1250">size_bytes</a> () const override</td></tr>
<tr class="memdesc:a0a3b4dd22854acb631e33271dd9a1250 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="mdescLeft">&#160;</td><td class="mdescRight">The number of bytes that should be read by this scan task. <br /></td></tr>
<tr class="separator:a0a3b4dd22854acb631e33271dd9a1250 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:af173a61632f2b88e4da007a0859100f4 inherit pub_methods_classiceberg_1_1ChangelogScanTask" id="r_af173a61632f2b88e4da007a0859100f4"><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ChangelogScanTask.html#af173a61632f2b88e4da007a0859100f4">files_count</a> () const override</td></tr>
<tr class="memdesc:af173a61632f2b88e4da007a0859100f4 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="mdescLeft">&#160;</td><td class="mdescRight">The number of files that should be read by this scan task. <br /></td></tr>
<tr class="separator:af173a61632f2b88e4da007a0859100f4 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a84246b65ec7e10024d3bdf159aea243f inherit pub_methods_classiceberg_1_1ChangelogScanTask" id="r_a84246b65ec7e10024d3bdf159aea243f"><td class="memItemLeft" align="right" valign="top">int64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1ChangelogScanTask.html#a84246b65ec7e10024d3bdf159aea243f">estimated_row_count</a> () const override</td></tr>
<tr class="memdesc:a84246b65ec7e10024d3bdf159aea243f inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="mdescLeft">&#160;</td><td class="mdescRight">The number of rows that should be read by this scan task. <br /></td></tr>
<tr class="separator:a84246b65ec7e10024d3bdf159aea243f inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a160098d1828a8fb9d8bef1e420bb7f69 inherit pub_methods_classiceberg_1_1ChangelogScanTask" id="r_a160098d1828a8fb9d8bef1e420bb7f69"><td class="memItemLeft" align="right" valign="top">
int32_t&#160;</td><td class="memItemRight" valign="bottom"><b>change_ordinal</b> () const</td></tr>
<tr class="memdesc:a160098d1828a8fb9d8bef1e420bb7f69 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="mdescLeft">&#160;</td><td class="mdescRight">The position of this change in the changelog order (0-based). <br /></td></tr>
<tr class="separator:a160098d1828a8fb9d8bef1e420bb7f69 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a45fd4b830f7b10ae26591fb6786cc221 inherit pub_methods_classiceberg_1_1ChangelogScanTask" id="r_a45fd4b830f7b10ae26591fb6786cc221"><td class="memItemLeft" align="right" valign="top">
int64_t&#160;</td><td class="memItemRight" valign="bottom"><b>commit_snapshot_id</b> () const</td></tr>
<tr class="memdesc:a45fd4b830f7b10ae26591fb6786cc221 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="mdescLeft">&#160;</td><td class="mdescRight">The snapshot ID that committed this change. <br /></td></tr>
<tr class="separator:a45fd4b830f7b10ae26591fb6786cc221 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aeb1748029814282a872b4bead4221b09 inherit pub_methods_classiceberg_1_1ChangelogScanTask" id="r_aeb1748029814282a872b4bead4221b09"><td class="memItemLeft" align="right" valign="top">
const std::shared_ptr&lt; <a class="el" href="classiceberg_1_1Expression.html">Expression</a> &gt; &amp;&#160;</td><td class="memItemRight" valign="bottom"><b>residual_filter</b> () const</td></tr>
<tr class="memdesc:aeb1748029814282a872b4bead4221b09 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="mdescLeft">&#160;</td><td class="mdescRight">Residual filter to apply after reading. <br /></td></tr>
<tr class="separator:aeb1748029814282a872b4bead4221b09 inherit pub_methods_classiceberg_1_1ChangelogScanTask"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="inherited" name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_classiceberg_1_1ScanTask"><td colspan="2" onclick="javascript:toggleInherit('pub_types_classiceberg_1_1ScanTask')"><img src="closed.png" alt="-"/>&#160;Public Types inherited from <a class="el" href="classiceberg_1_1ScanTask.html">iceberg::ScanTask</a></td></tr>
<tr class="memitem:ab28bdbcb5d183627dfec1ef4d3321c1f inherit pub_types_classiceberg_1_1ScanTask" id="r_ab28bdbcb5d183627dfec1ef4d3321c1f"><td class="memItemLeft" align="right" valign="top"><a id="ab28bdbcb5d183627dfec1ef4d3321c1f" name="ab28bdbcb5d183627dfec1ef4d3321c1f"></a>enum class &#160;</td><td class="memItemRight" valign="bottom"><b>Kind</b> : uint8_t { <b>kFileScanTask</b>
, <b>kChangelogScanTask</b>
}</td></tr>
<tr class="separator:ab28bdbcb5d183627dfec1ef4d3321c1f inherit pub_types_classiceberg_1_1ScanTask"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pro_attribs_classiceberg_1_1ChangelogScanTask"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_classiceberg_1_1ChangelogScanTask')"><img src="closed.png" alt="-"/>&#160;Protected Attributes inherited from <a class="el" href="classiceberg_1_1ChangelogScanTask.html">iceberg::ChangelogScanTask</a></td></tr>
<tr class="memitem:a855bace400a8e30bec431ed1bc0a927f inherit pro_attribs_classiceberg_1_1ChangelogScanTask" id="r_a855bace400a8e30bec431ed1bc0a927f"><td class="memItemLeft" align="right" valign="top">
int32_t&#160;</td><td class="memItemRight" valign="bottom"><b>change_ordinal_</b></td></tr>
<tr class="separator:a855bace400a8e30bec431ed1bc0a927f inherit pro_attribs_classiceberg_1_1ChangelogScanTask"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a79863b18c3410a023288a7e59c711476 inherit pro_attribs_classiceberg_1_1ChangelogScanTask" id="r_a79863b18c3410a023288a7e59c711476"><td class="memItemLeft" align="right" valign="top">
int64_t&#160;</td><td class="memItemRight" valign="bottom"><b>commit_snapshot_id_</b></td></tr>
<tr class="separator:a79863b18c3410a023288a7e59c711476 inherit pro_attribs_classiceberg_1_1ChangelogScanTask"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ade3e55368c5a8992ef6e6e436ce7e29a inherit pro_attribs_classiceberg_1_1ChangelogScanTask" id="r_ade3e55368c5a8992ef6e6e436ce7e29a"><td class="memItemLeft" align="right" valign="top">
std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>data_file_</b></td></tr>
<tr class="separator:ade3e55368c5a8992ef6e6e436ce7e29a inherit pro_attribs_classiceberg_1_1ChangelogScanTask"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aced7b82299c0fed2fe370eb5112b02ce inherit pro_attribs_classiceberg_1_1ChangelogScanTask" id="r_aced7b82299c0fed2fe370eb5112b02ce"><td class="memItemLeft" align="right" valign="top">
std::vector&lt; std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt; &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>delete_files_</b></td></tr>
<tr class="separator:aced7b82299c0fed2fe370eb5112b02ce inherit pro_attribs_classiceberg_1_1ChangelogScanTask"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a85b80a5eb3c4bb302819b66ce11d2ee2 inherit pro_attribs_classiceberg_1_1ChangelogScanTask" id="r_a85b80a5eb3c4bb302819b66ce11d2ee2"><td class="memItemLeft" align="right" valign="top">
std::shared_ptr&lt; <a class="el" href="classiceberg_1_1Expression.html">Expression</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>residual_filter_</b></td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A scan task for inserts generated by adding a data file to the table. </p>
<p>This task represents data files that were added to the table, along with any delete files that should be applied when reading the data.</p>
<p>Added data files may have matching delete files. This may happen if a matching position delete file is committed in the same snapshot or if changes for multiple snapshots are squashed together.</p>
<p>Suppose snapshot S1 adds data files F1, F2, F3 and a position delete file, D1, that marks particular records in F1 as deleted. A scan for changes generated by S1 should include the following tasks:</p><ul>
<li><a class="el" href="classiceberg_1_1AddedRowsScanTask.html" title="A scan task for inserts generated by adding a data file to the table.">AddedRowsScanTask</a>(file=F1, deletes=[D1], snapshot=S1)</li>
<li><a class="el" href="classiceberg_1_1AddedRowsScanTask.html" title="A scan task for inserts generated by adding a data file to the table.">AddedRowsScanTask</a>(file=F2, deletes=[], snapshot=S1)</li>
<li><a class="el" href="classiceberg_1_1AddedRowsScanTask.html" title="A scan task for inserts generated by adding a data file to the table.">AddedRowsScanTask</a>(file=F3, deletes=[], snapshot=S1)</li>
</ul>
<p>Readers consuming these tasks should produce added records with metadata like change ordinal and commit snapshot ID. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="a9e2f454c8e7c00a0b4bdabde62678272" name="a9e2f454c8e7c00a0b4bdabde62678272"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9e2f454c8e7c00a0b4bdabde62678272">&#9670;&#160;</a></span>ChangelogScanTask()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">iceberg::ChangelogScanTask::ChangelogScanTask </td>
<td>(</td>
<td class="paramtype">int32_t&#160;</td>
<td class="paramname"><em>change_ordinal</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int64_t&#160;</td>
<td class="paramname"><em>commit_snapshot_id</em>, </td>
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<td class="paramtype">std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt;&#160;</td>
<td class="paramname"><em>data_file</em>, </td>
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<td class="paramname"><em>delete_files</em> = <code>{}</code>, </td>
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<td class="paramtype">std::shared_ptr&lt; <a class="el" href="classiceberg_1_1Expression.html">Expression</a> &gt;&#160;</td>
<td class="paramname"><em>residual_filter</em> = <code>nullptr</code>&#160;</td>
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<td>)</td>
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<p>Construct an <a class="el" href="classiceberg_1_1AddedRowsScanTask.html" title="A scan task for inserts generated by adding a data file to the table.">AddedRowsScanTask</a>. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">change_ordinal</td><td>Position in the changelog order (0-based). </td></tr>
<tr><td class="paramname">commit_snapshot_id</td><td>The snapshot ID that committed this change. </td></tr>
<tr><td class="paramname">data_file</td><td>The data file containing the added rows. </td></tr>
<tr><td class="paramname">delete_files</td><td>Delete files that apply to this data file. </td></tr>
<tr><td class="paramname">residual_filter</td><td>Optional residual filter to apply after reading. </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a4487704b479bc303c377b41f432b2cb8">&#9670;&#160;</a></span>delete_files()</h2>
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<td class="memname">const std::vector&lt; std::shared_ptr&lt; <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> &gt; &gt; &amp; iceberg::AddedRowsScanTask::delete_files </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<p>A list of delete files to apply when reading the data file in this task. </p>
<dl class="section return"><dt>Returns</dt><dd>A list of delete files to apply </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a60f1fa1ab41abc5925c0c016032667af">&#9670;&#160;</a></span>operation()</h2>
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<td class="memname">ChangelogOperation iceberg::AddedRowsScanTask::operation </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>Implements <a class="el" href="classiceberg_1_1ChangelogScanTask.html">iceberg::ChangelogScanTask</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>iceberg/<a class="el" href="table__scan_8h_source.html">table_scan.h</a></li>
</ul>
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