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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_1ChangelogScanTask.html">ChangelogScanTask</a></li> </ul> |
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| <a href="#pub-methods">Public Member Functions</a> | |
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| <a href="classiceberg_1_1ChangelogScanTask-members.html">List of all members</a> </div> |
| <div class="headertitle"><div class="title">iceberg::ChangelogScanTask Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div></div> |
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| |
| <p>A scan task for reading changelog entries between snapshots. |
| <a href="classiceberg_1_1ChangelogScanTask.html#details">More...</a></p> |
| |
| <p><code>#include <<a class="el" href="table__scan_8h_source.html">table_scan.h</a>></code></p> |
| <div class="dynheader"> |
| Inheritance diagram for iceberg::ChangelogScanTask:</div> |
| <div class="dyncontent"> |
| <div class="center"> |
| <img src="classiceberg_1_1ChangelogScanTask.png" usemap="#iceberg::ChangelogScanTask_map" alt=""/> |
| <map id="iceberg::ChangelogScanTask_map" name="iceberg::ChangelogScanTask_map"> |
| <area href="classiceberg_1_1ScanTask.html" title="An abstract scan task." alt="iceberg::ScanTask" shape="rect" coords="108,0,314,24"/> |
| <area href="classiceberg_1_1AddedRowsScanTask.html" title="A scan task for inserts generated by adding a data file to the table." alt="iceberg::AddedRowsScanTask" shape="rect" coords="0,112,206,136"/> |
| <area href="classiceberg_1_1DeletedDataFileScanTask.html" title="A scan task for deletes generated by removing a data file from the table." alt="iceberg::DeletedDataFileScanTask" shape="rect" coords="216,112,422,136"/> |
| </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:a9e2f454c8e7c00a0b4bdabde62678272" id="r_a9e2f454c8e7c00a0b4bdabde62678272"><td class="memItemLeft" align="right" valign="top"> </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< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > data_file, std::vector< std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > > delete_files={}, std::shared_ptr< <a class="el" href="classiceberg_1_1Expression.html">Expression</a> > <a class="el" href="classiceberg_1_1ChangelogScanTask.html#aeb1748029814282a872b4bead4221b09">residual_filter</a>=nullptr)</td></tr> |
| <tr class="memdesc:a9e2f454c8e7c00a0b4bdabde62678272"><td class="mdescLeft"> </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"> </td></tr> |
| <tr class="memitem:ace10d0cf9753b1b3dbb0289071c2d155" id="r_ace10d0cf9753b1b3dbb0289071c2d155"><td class="memItemLeft" align="right" valign="top">Kind </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"><td class="mdescLeft"> </td><td class="mdescRight">The kind of scan task. <br /></td></tr> |
| <tr class="separator:ace10d0cf9753b1b3dbb0289071c2d155"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a0a3b4dd22854acb631e33271dd9a1250" id="r_a0a3b4dd22854acb631e33271dd9a1250"><td class="memItemLeft" align="right" valign="top">int64_t </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"><td class="mdescLeft"> </td><td class="mdescRight">The number of bytes that should be read by this scan task. <br /></td></tr> |
| <tr class="separator:a0a3b4dd22854acb631e33271dd9a1250"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:af173a61632f2b88e4da007a0859100f4" id="r_af173a61632f2b88e4da007a0859100f4"><td class="memItemLeft" align="right" valign="top">int32_t </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"><td class="mdescLeft"> </td><td class="mdescRight">The number of files that should be read by this scan task. <br /></td></tr> |
| <tr class="separator:af173a61632f2b88e4da007a0859100f4"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a84246b65ec7e10024d3bdf159aea243f" id="r_a84246b65ec7e10024d3bdf159aea243f"><td class="memItemLeft" align="right" valign="top">int64_t </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"><td class="mdescLeft"> </td><td class="mdescRight">The number of rows that should be read by this scan task. <br /></td></tr> |
| <tr class="separator:a84246b65ec7e10024d3bdf159aea243f"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a3a02af995f9c7d760a35b63b3217e7ac" id="r_a3a02af995f9c7d760a35b63b3217e7ac"><td class="memItemLeft" align="right" valign="top"><a id="a3a02af995f9c7d760a35b63b3217e7ac" name="a3a02af995f9c7d760a35b63b3217e7ac"></a> |
| virtual ChangelogOperation </td><td class="memItemRight" valign="bottom"><b>operation</b> () const =0</td></tr> |
| <tr class="separator:a3a02af995f9c7d760a35b63b3217e7ac"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a160098d1828a8fb9d8bef1e420bb7f69" id="r_a160098d1828a8fb9d8bef1e420bb7f69"><td class="memItemLeft" align="right" valign="top"><a id="a160098d1828a8fb9d8bef1e420bb7f69" name="a160098d1828a8fb9d8bef1e420bb7f69"></a> |
| int32_t </td><td class="memItemRight" valign="bottom"><b>change_ordinal</b> () const</td></tr> |
| <tr class="memdesc:a160098d1828a8fb9d8bef1e420bb7f69"><td class="mdescLeft"> </td><td class="mdescRight">The position of this change in the changelog order (0-based). <br /></td></tr> |
| <tr class="separator:a160098d1828a8fb9d8bef1e420bb7f69"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a45fd4b830f7b10ae26591fb6786cc221" id="r_a45fd4b830f7b10ae26591fb6786cc221"><td class="memItemLeft" align="right" valign="top"><a id="a45fd4b830f7b10ae26591fb6786cc221" name="a45fd4b830f7b10ae26591fb6786cc221"></a> |
| int64_t </td><td class="memItemRight" valign="bottom"><b>commit_snapshot_id</b> () const</td></tr> |
| <tr class="memdesc:a45fd4b830f7b10ae26591fb6786cc221"><td class="mdescLeft"> </td><td class="mdescRight">The snapshot ID that committed this change. <br /></td></tr> |
| <tr class="separator:a45fd4b830f7b10ae26591fb6786cc221"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aeb1748029814282a872b4bead4221b09" id="r_aeb1748029814282a872b4bead4221b09"><td class="memItemLeft" align="right" valign="top"><a id="aeb1748029814282a872b4bead4221b09" name="aeb1748029814282a872b4bead4221b09"></a> |
| const std::shared_ptr< <a class="el" href="classiceberg_1_1Expression.html">Expression</a> > & </td><td class="memItemRight" valign="bottom"><b>residual_filter</b> () const</td></tr> |
| <tr class="memdesc:aeb1748029814282a872b4bead4221b09"><td class="mdescLeft"> </td><td class="mdescRight">Residual filter to apply after reading. <br /></td></tr> |
| <tr class="separator:aeb1748029814282a872b4bead4221b09"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pro-attribs" name="pro-attribs"></a> |
| Protected Attributes</h2></td></tr> |
| <tr class="memitem:a855bace400a8e30bec431ed1bc0a927f" id="r_a855bace400a8e30bec431ed1bc0a927f"><td class="memItemLeft" align="right" valign="top"><a id="a855bace400a8e30bec431ed1bc0a927f" name="a855bace400a8e30bec431ed1bc0a927f"></a> |
| int32_t </td><td class="memItemRight" valign="bottom"><b>change_ordinal_</b></td></tr> |
| <tr class="separator:a855bace400a8e30bec431ed1bc0a927f"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a79863b18c3410a023288a7e59c711476" id="r_a79863b18c3410a023288a7e59c711476"><td class="memItemLeft" align="right" valign="top"><a id="a79863b18c3410a023288a7e59c711476" name="a79863b18c3410a023288a7e59c711476"></a> |
| int64_t </td><td class="memItemRight" valign="bottom"><b>commit_snapshot_id_</b></td></tr> |
| <tr class="separator:a79863b18c3410a023288a7e59c711476"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ade3e55368c5a8992ef6e6e436ce7e29a" id="r_ade3e55368c5a8992ef6e6e436ce7e29a"><td class="memItemLeft" align="right" valign="top"><a id="ade3e55368c5a8992ef6e6e436ce7e29a" name="ade3e55368c5a8992ef6e6e436ce7e29a"></a> |
| std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > </td><td class="memItemRight" valign="bottom"><b>data_file_</b></td></tr> |
| <tr class="separator:ade3e55368c5a8992ef6e6e436ce7e29a"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aced7b82299c0fed2fe370eb5112b02ce" id="r_aced7b82299c0fed2fe370eb5112b02ce"><td class="memItemLeft" align="right" valign="top"><a id="aced7b82299c0fed2fe370eb5112b02ce" name="aced7b82299c0fed2fe370eb5112b02ce"></a> |
| std::vector< std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > > </td><td class="memItemRight" valign="bottom"><b>delete_files_</b></td></tr> |
| <tr class="separator:aced7b82299c0fed2fe370eb5112b02ce"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a85b80a5eb3c4bb302819b66ce11d2ee2" id="r_a85b80a5eb3c4bb302819b66ce11d2ee2"><td class="memItemLeft" align="right" valign="top"><a id="a85b80a5eb3c4bb302819b66ce11d2ee2" name="a85b80a5eb3c4bb302819b66ce11d2ee2"></a> |
| std::shared_ptr< <a class="el" href="classiceberg_1_1Expression.html">Expression</a> > </td><td class="memItemRight" valign="bottom"><b>residual_filter_</b></td></tr> |
| <tr class="separator:a85b80a5eb3c4bb302819b66ce11d2ee2"><td class="memSeparator" colspan="2"> </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="-"/> 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  </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"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>A scan task for reading changelog entries between snapshots. </p> |
| </div><h2 class="groupheader">Constructor & Destructor Documentation</h2> |
| <a id="a9e2f454c8e7c00a0b4bdabde62678272" name="a9e2f454c8e7c00a0b4bdabde62678272"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a9e2f454c8e7c00a0b4bdabde62678272">◆ </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 </td> |
| <td class="paramname"><em>change_ordinal</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int64_t </td> |
| <td class="paramname"><em>commit_snapshot_id</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > </td> |
| <td class="paramname"><em>data_file</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">std::vector< std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > > </td> |
| <td class="paramname"><em>delete_files</em> = <code>{}</code>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">std::shared_ptr< <a class="el" href="classiceberg_1_1Expression.html">Expression</a> > </td> |
| <td class="paramname"><em>residual_filter</em> = <code>nullptr</code> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <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> |
| <table class="params"> |
| <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> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Member Function Documentation</h2> |
| <a id="a84246b65ec7e10024d3bdf159aea243f" name="a84246b65ec7e10024d3bdf159aea243f"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a84246b65ec7e10024d3bdf159aea243f">◆ </a></span>estimated_row_count()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int64_t iceberg::ChangelogScanTask::estimated_row_count </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td> const</td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>The number of rows that should be read by this scan task. </p> |
| |
| <p>Implements <a class="el" href="classiceberg_1_1ScanTask.html#a1065f2e9db3b7d9d42f861bfca839232">iceberg::ScanTask</a>.</p> |
| |
| </div> |
| </div> |
| <a id="af173a61632f2b88e4da007a0859100f4" name="af173a61632f2b88e4da007a0859100f4"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#af173a61632f2b88e4da007a0859100f4">◆ </a></span>files_count()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">int32_t iceberg::ChangelogScanTask::files_count </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td> const</td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>The number of files that should be read by this scan task. </p> |
| |
| <p>Implements <a class="el" href="classiceberg_1_1ScanTask.html#a014e83fb779a07601b71dd503871986b">iceberg::ScanTask</a>.</p> |
| |
| </div> |
| </div> |
| <a id="ace10d0cf9753b1b3dbb0289071c2d155" name="ace10d0cf9753b1b3dbb0289071c2d155"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#ace10d0cf9753b1b3dbb0289071c2d155">◆ </a></span>kind()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
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| <td class="memname">Kind iceberg::ChangelogScanTask::kind </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td> const</td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>The kind of scan task. </p> |
| |
| <p>Implements <a class="el" href="classiceberg_1_1ScanTask.html#a3e223ab9964f78b6e99791567c82e1b6">iceberg::ScanTask</a>.</p> |
| |
| </div> |
| </div> |
| <a id="a0a3b4dd22854acb631e33271dd9a1250" name="a0a3b4dd22854acb631e33271dd9a1250"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a0a3b4dd22854acb631e33271dd9a1250">◆ </a></span>size_bytes()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
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| <tr> |
| <td class="mlabels-left"> |
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| <tr> |
| <td class="memname">int64_t iceberg::ChangelogScanTask::size_bytes </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td> const</td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>The number of bytes that should be read by this scan task. </p> |
| |
| <p>Implements <a class="el" href="classiceberg_1_1ScanTask.html#a196044bb4a1fc867fb9dbece6ae3f47c">iceberg::ScanTask</a>.</p> |
| |
| </div> |
| </div> |
| <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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