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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_1PositionDeleteIndex.html">PositionDeleteIndex</a></li> </ul> |
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| <a href="#pub-methods">Public Member Functions</a> | |
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| <a href="#friends">Friends</a> | |
| <a href="classiceberg_1_1PositionDeleteIndex-members.html">List of all members</a> </div> |
| <div class="headertitle"><div class="title">iceberg::PositionDeleteIndex Class Reference</div></div> |
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| |
| <p>Tracks deleted row positions using a bitmap. |
| <a href="classiceberg_1_1PositionDeleteIndex.html#details">More...</a></p> |
| |
| <p><code>#include <<a class="el" href="position__delete__index_8h_source.html">position_delete_index.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:a9cb498ceddb325ed9e009b3c05d7a3e4" id="r_a9cb498ceddb325ed9e009b3c05d7a3e4"><td class="memItemLeft" align="right" valign="top"><a id="a9cb498ceddb325ed9e009b3c05d7a3e4" name="a9cb498ceddb325ed9e009b3c05d7a3e4"></a> |
|  </td><td class="memItemRight" valign="bottom"><b>PositionDeleteIndex</b> (std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > delete_file)</td></tr> |
| <tr class="separator:a9cb498ceddb325ed9e009b3c05d7a3e4"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a6675349e7e83d9b153d9de1592bfbf43" id="r_a6675349e7e83d9b153d9de1592bfbf43"><td class="memItemLeft" align="right" valign="top"><a id="a6675349e7e83d9b153d9de1592bfbf43" name="a6675349e7e83d9b153d9de1592bfbf43"></a> |
|  </td><td class="memItemRight" valign="bottom"><b>PositionDeleteIndex</b> (std::vector< std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > > <a class="el" href="classiceberg_1_1PositionDeleteIndex.html#afb6e4011e345b92d866e76f54d82c50f">delete_files</a>)</td></tr> |
| <tr class="separator:a6675349e7e83d9b153d9de1592bfbf43"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a4078511b75595e77d8d47c8e85a8fcbd" id="r_a4078511b75595e77d8d47c8e85a8fcbd"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1PositionDeleteIndex.html#a4078511b75595e77d8d47c8e85a8fcbd">Delete</a> (int64_t pos)</td></tr> |
| <tr class="memdesc:a4078511b75595e77d8d47c8e85a8fcbd"><td class="mdescLeft"> </td><td class="mdescRight">Mark a position as deleted. <br /></td></tr> |
| <tr class="separator:a4078511b75595e77d8d47c8e85a8fcbd"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a5ff544576c6284abdc12ab91384a0c01" id="r_a5ff544576c6284abdc12ab91384a0c01"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1PositionDeleteIndex.html#a5ff544576c6284abdc12ab91384a0c01">Delete</a> (int64_t pos_start, int64_t pos_end)</td></tr> |
| <tr class="memdesc:a5ff544576c6284abdc12ab91384a0c01"><td class="mdescLeft"> </td><td class="mdescRight">Mark a range of positions as deleted [pos_start, pos_end). <br /></td></tr> |
| <tr class="separator:a5ff544576c6284abdc12ab91384a0c01"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a67bf98430cba048156adff4051099172" id="r_a67bf98430cba048156adff4051099172"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1PositionDeleteIndex.html#a67bf98430cba048156adff4051099172">IsDeleted</a> (int64_t pos) const</td></tr> |
| <tr class="memdesc:a67bf98430cba048156adff4051099172"><td class="mdescLeft"> </td><td class="mdescRight">Check if a position is deleted. <br /></td></tr> |
| <tr class="separator:a67bf98430cba048156adff4051099172"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a73ddcaffa882c13194514305a4dfa4fd" id="r_a73ddcaffa882c13194514305a4dfa4fd"><td class="memItemLeft" align="right" valign="top"><a id="a73ddcaffa882c13194514305a4dfa4fd" name="a73ddcaffa882c13194514305a4dfa4fd"></a> |
| bool </td><td class="memItemRight" valign="bottom"><b>IsEmpty</b> () const</td></tr> |
| <tr class="memdesc:a73ddcaffa882c13194514305a4dfa4fd"><td class="mdescLeft"> </td><td class="mdescRight">Check if the index is empty (no positions deleted). <br /></td></tr> |
| <tr class="separator:a73ddcaffa882c13194514305a4dfa4fd"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a97cda60087c06b15ff255f5b706b60d3" id="r_a97cda60087c06b15ff255f5b706b60d3"><td class="memItemLeft" align="right" valign="top"><a id="a97cda60087c06b15ff255f5b706b60d3" name="a97cda60087c06b15ff255f5b706b60d3"></a> |
| int64_t </td><td class="memItemRight" valign="bottom"><b>Cardinality</b> () const</td></tr> |
| <tr class="memdesc:a97cda60087c06b15ff255f5b706b60d3"><td class="mdescLeft"> </td><td class="mdescRight">Get the number of deleted positions. <br /></td></tr> |
| <tr class="separator:a97cda60087c06b15ff255f5b706b60d3"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a5c2251ce5f2303e48ab3e624d806781b" id="r_a5c2251ce5f2303e48ab3e624d806781b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1PositionDeleteIndex.html#a5c2251ce5f2303e48ab3e624d806781b">Merge</a> (const <a class="el" href="classiceberg_1_1PositionDeleteIndex.html">PositionDeleteIndex</a> &other)</td></tr> |
| <tr class="memdesc:a5c2251ce5f2303e48ab3e624d806781b"><td class="mdescLeft"> </td><td class="mdescRight">Merge another index into this one. <br /></td></tr> |
| <tr class="separator:a5c2251ce5f2303e48ab3e624d806781b"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:afb6e4011e345b92d866e76f54d82c50f" id="r_afb6e4011e345b92d866e76f54d82c50f"><td class="memItemLeft" align="right" valign="top">const std::vector< std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > > & </td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1PositionDeleteIndex.html#afb6e4011e345b92d866e76f54d82c50f">delete_files</a> () const</td></tr> |
| <tr class="memdesc:afb6e4011e345b92d866e76f54d82c50f"><td class="mdescLeft"> </td><td class="mdescRight">The delete files whose positions were merged into this index. <br /></td></tr> |
| <tr class="separator:afb6e4011e345b92d866e76f54d82c50f"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:af6e466107cbe480f7b8f0fcd657ca232" id="r_af6e466107cbe480f7b8f0fcd657ca232"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespaceiceberg.html#a9d5594e371beb516b0120e07e69d3af6">Result</a>< std::vector< uint8_t > > </td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1PositionDeleteIndex.html#af6e466107cbe480f7b8f0fcd657ca232">Serialize</a> ()</td></tr> |
| <tr class="memdesc:af6e466107cbe480f7b8f0fcd657ca232"><td class="mdescLeft"> </td><td class="mdescRight">Serialize the index into a <code>deletion-vector-v1</code> blob. <br /></td></tr> |
| <tr class="separator:af6e466107cbe480f7b8f0fcd657ca232"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-static-methods" name="pub-static-methods"></a> |
| Static Public Member Functions</h2></td></tr> |
| <tr class="memitem:a8ac5a77a19287b5953467e4764ee6e8d" id="r_a8ac5a77a19287b5953467e4764ee6e8d"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="namespaceiceberg.html#a9d5594e371beb516b0120e07e69d3af6">Result</a>< <a class="el" href="classiceberg_1_1PositionDeleteIndex.html">PositionDeleteIndex</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1PositionDeleteIndex.html#a8ac5a77a19287b5953467e4764ee6e8d">Deserialize</a> (std::span< const uint8_t > blob, std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > delete_file)</td></tr> |
| <tr class="memdesc:a8ac5a77a19287b5953467e4764ee6e8d"><td class="mdescLeft"> </td><td class="mdescRight">Deserialize a <code>deletion-vector-v1</code> blob into an index. <br /></td></tr> |
| <tr class="separator:a8ac5a77a19287b5953467e4764ee6e8d"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="friends" name="friends"></a> |
| Friends</h2></td></tr> |
| <tr class="memitem:a3a228d6ac85c9d162cfc6f37225896fd" id="r_a3a228d6ac85c9d162cfc6f37225896fd"><td class="memItemLeft" align="right" valign="top">void ICEBERG_EXPORT </td><td class="memItemRight" valign="bottom"><a class="el" href="classiceberg_1_1PositionDeleteIndex.html#a3a228d6ac85c9d162cfc6f37225896fd">ForEachPositionDelete</a> (std::span< const int64_t > positions, <a class="el" href="classiceberg_1_1PositionDeleteIndex.html">PositionDeleteIndex</a> &target, std::vector< uint32_t > &scratch)</td></tr> |
| <tr class="memdesc:a3a228d6ac85c9d162cfc6f37225896fd"><td class="mdescLeft"> </td><td class="mdescRight">Apply <code>positions</code> to <code>target</code> as deletes; semantically equivalent to calling <code>target.Delete(pos)</code> for each entry. Out-of-range positions are silently ignored. Sorted, mostly-contiguous input is fastest. <br /></td></tr> |
| <tr class="separator:a3a228d6ac85c9d162cfc6f37225896fd"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>Tracks deleted row positions using a bitmap. </p> |
| <p>This class provides a domain-specific API for position deletes in Iceberg MOR (merge-on-read) tables. Positions are 0-based row indices within a data file. </p> |
| </div><h2 class="groupheader">Member Function Documentation</h2> |
| <a id="a4078511b75595e77d8d47c8e85a8fcbd" name="a4078511b75595e77d8d47c8e85a8fcbd"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a4078511b75595e77d8d47c8e85a8fcbd">◆ </a></span>Delete() <span class="overload">[1/2]</span></h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void iceberg::PositionDeleteIndex::Delete </td> |
| <td>(</td> |
| <td class="paramtype">int64_t </td> |
| <td class="paramname"><em>pos</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Mark a position as deleted. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pos</td><td>The 0-based row position to delete </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="a5ff544576c6284abdc12ab91384a0c01" name="a5ff544576c6284abdc12ab91384a0c01"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a5ff544576c6284abdc12ab91384a0c01">◆ </a></span>Delete() <span class="overload">[2/2]</span></h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void iceberg::PositionDeleteIndex::Delete </td> |
| <td>(</td> |
| <td class="paramtype">int64_t </td> |
| <td class="paramname"><em>pos_start</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int64_t </td> |
| <td class="paramname"><em>pos_end</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Mark a range of positions as deleted [pos_start, pos_end). </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pos_start</td><td>Start position (inclusive) </td></tr> |
| <tr><td class="paramname">pos_end</td><td>End position (exclusive) </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="afb6e4011e345b92d866e76f54d82c50f" name="afb6e4011e345b92d866e76f54d82c50f"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#afb6e4011e345b92d866e76f54d82c50f">◆ </a></span>delete_files()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">const std::vector< std::shared_ptr< <a class="el" href="structiceberg_1_1DataFile.html">DataFile</a> > > & iceberg::PositionDeleteIndex::delete_files </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> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>The delete files whose positions were merged into this index. </p> |
| <p>Populated by constructors and Deserialize, and preserved across Merge. Callers use these to report the delete files that were rewritten when replacing them with a new deletion vector. </p> |
| |
| </div> |
| </div> |
| <a id="a8ac5a77a19287b5953467e4764ee6e8d" name="a8ac5a77a19287b5953467e4764ee6e8d"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a8ac5a77a19287b5953467e4764ee6e8d">◆ </a></span>Deserialize()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">static <a class="el" href="namespaceiceberg.html#a9d5594e371beb516b0120e07e69d3af6">Result</a>< <a class="el" href="classiceberg_1_1PositionDeleteIndex.html">PositionDeleteIndex</a> > iceberg::PositionDeleteIndex::Deserialize </td> |
| <td>(</td> |
| <td class="paramtype">std::span< const uint8_t > </td> |
| <td class="paramname"><em>blob</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>delete_file</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">static</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Deserialize a <code>deletion-vector-v1</code> blob into an index. </p> |
| <p>Validates the blob framing (length prefix, magic sequence, CRC-32) and, against the source delete file, that the blob length matches <code>content_size_in_bytes</code> and the bitmap cardinality matches <code>record_count</code>. The source delete file is retained and exposed via <a class="el" href="classiceberg_1_1PositionDeleteIndex.html#afb6e4011e345b92d866e76f54d82c50f" title="The delete files whose positions were merged into this index.">delete_files()</a>. </p> |
| |
| </div> |
| </div> |
| <a id="a67bf98430cba048156adff4051099172" name="a67bf98430cba048156adff4051099172"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a67bf98430cba048156adff4051099172">◆ </a></span>IsDeleted()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">bool iceberg::PositionDeleteIndex::IsDeleted </td> |
| <td>(</td> |
| <td class="paramtype">int64_t </td> |
| <td class="paramname"><em>pos</em></td><td>)</td> |
| <td> const</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Check if a position is deleted. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">pos</td><td>The 0-based row position to check </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>true if the position is deleted, false otherwise </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a5c2251ce5f2303e48ab3e624d806781b" name="a5c2251ce5f2303e48ab3e624d806781b"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a5c2251ce5f2303e48ab3e624d806781b">◆ </a></span>Merge()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void iceberg::PositionDeleteIndex::Merge </td> |
| <td>(</td> |
| <td class="paramtype">const <a class="el" href="classiceberg_1_1PositionDeleteIndex.html">PositionDeleteIndex</a> & </td> |
| <td class="paramname"><em>other</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Merge another index into this one. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">other</td><td>The index to merge (union operation) </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <a id="af6e466107cbe480f7b8f0fcd657ca232" name="af6e466107cbe480f7b8f0fcd657ca232"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#af6e466107cbe480f7b8f0fcd657ca232">◆ </a></span>Serialize()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
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| <td class="memname"><a class="el" href="namespaceiceberg.html#a9d5594e371beb516b0120e07e69d3af6">Result</a>< std::vector< uint8_t > > iceberg::PositionDeleteIndex::Serialize </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
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| <p>Serialize the index into a <code>deletion-vector-v1</code> blob. </p> |
| <p>The positions are run-length encoded, then framed per the Puffin spec: <a href="https://iceberg.apache.org/puffin-spec/#deletion-vector-v1-blob-type">https://iceberg.apache.org/puffin-spec/#deletion-vector-v1-blob-type</a> </p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Friends And Related Symbol Documentation</h2> |
| <a id="a3a228d6ac85c9d162cfc6f37225896fd" name="a3a228d6ac85c9d162cfc6f37225896fd"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a3a228d6ac85c9d162cfc6f37225896fd">◆ </a></span>ForEachPositionDelete</h2> |
| |
| <div class="memitem"> |
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| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void ICEBERG_EXPORT ForEachPositionDelete </td> |
| <td>(</td> |
| <td class="paramtype">std::span< const int64_t > </td> |
| <td class="paramname"><em>positions</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="classiceberg_1_1PositionDeleteIndex.html">PositionDeleteIndex</a> & </td> |
| <td class="paramname"><em>target</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">std::vector< uint32_t > & </td> |
| <td class="paramname"><em>scratch</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">friend</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
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| <p>Apply <code>positions</code> to <code>target</code> as deletes; semantically equivalent to calling <code>target.Delete(pos)</code> for each entry. Out-of-range positions are silently ignored. Sorted, mostly-contiguous input is fastest. </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">scratch</td><td>Caller-owned reusable buffer for the bulk dispatch path. Cleared and reused per key group; retain across calls to amortize allocations. Pass a distinct <code>scratch</code> per thread when calling concurrently with disjoint <code>target</code>. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| </div> |
| </div> |
| <hr/>The documentation for this class was generated from the following file:<ul> |
| <li>iceberg/deletes/<a class="el" href="position__delete__index_8h_source.html">position_delete_index.h</a></li> |
| </ul> |
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