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| <div class="title">impala::HdfsRCFileScanner::RcFileHeader Struct Reference</div> </div> |
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| |
| <p>Data that is fixed across headers. This struct is shared between scan ranges. |
| <a href="structimpala_1_1HdfsRCFileScanner_1_1RcFileHeader.html#details">More...</a></p> |
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| Inheritance diagram for impala::HdfsRCFileScanner::RcFileHeader:</div> |
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| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a> |
| Public Attributes</h2></td></tr> |
| <tr class="memitem:a12012902442de708f3839d69da799e46"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classimpala_1_1HdfsRCFileScanner.html#a6b7dadac13ac321a4516ee9d4e5fdf4e">Version</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structimpala_1_1HdfsRCFileScanner_1_1RcFileHeader.html#a12012902442de708f3839d69da799e46">version</a></td></tr> |
| <tr class="memdesc:a12012902442de708f3839d69da799e46"><td class="mdescLeft"> </td><td class="mdescRight">RC file version. <a href="#a12012902442de708f3839d69da799e46">More...</a><br/></td></tr> |
| <tr class="separator:a12012902442de708f3839d69da799e46"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a043bb532d36fb1aef6df59575b66352e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structimpala_1_1HdfsRCFileScanner_1_1RcFileHeader.html#a043bb532d36fb1aef6df59575b66352e">num_cols</a></td></tr> |
| <tr class="separator:a043bb532d36fb1aef6df59575b66352e"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ab57f8bf94e3f23b8e9ed076b786d7a23"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structimpala_1_1BaseSequenceScanner_1_1FileHeader.html#ab57f8bf94e3f23b8e9ed076b786d7a23">sync</a> [<a class="el" href="classimpala_1_1BaseSequenceScanner.html#a5814338e23714b1d66022f75bbb48c5b">SYNC_HASH_SIZE</a>]</td></tr> |
| <tr class="memdesc:ab57f8bf94e3f23b8e9ed076b786d7a23"><td class="mdescLeft"> </td><td class="mdescRight">The sync hash for this file. <a href="#ab57f8bf94e3f23b8e9ed076b786d7a23">More...</a><br/></td></tr> |
| <tr class="separator:ab57f8bf94e3f23b8e9ed076b786d7a23"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a17899a9d57bf0246139d62029d40a7a3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classbool.html">bool</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structimpala_1_1BaseSequenceScanner_1_1FileHeader.html#a17899a9d57bf0246139d62029d40a7a3">is_compressed</a></td></tr> |
| <tr class="memdesc:a17899a9d57bf0246139d62029d40a7a3"><td class="mdescLeft"> </td><td class="mdescRight">true if the file is compressed <a href="#a17899a9d57bf0246139d62029d40a7a3">More...</a><br/></td></tr> |
| <tr class="separator:a17899a9d57bf0246139d62029d40a7a3"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:abc53f9d2e221152f0cbab170c709eddb"><td class="memItemLeft" align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="structimpala_1_1BaseSequenceScanner_1_1FileHeader.html#abc53f9d2e221152f0cbab170c709eddb">codec</a></td></tr> |
| <tr class="memdesc:abc53f9d2e221152f0cbab170c709eddb"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classimpala_1_1Codec.html">Codec</a> name if it is compressed. <a href="#abc53f9d2e221152f0cbab170c709eddb">More...</a><br/></td></tr> |
| <tr class="separator:abc53f9d2e221152f0cbab170c709eddb"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a394cc7bb9ae9309bce7f4d9167b083fc"><td class="memItemLeft" align="right" valign="top">THdfsCompression::type </td><td class="memItemRight" valign="bottom"><a class="el" href="structimpala_1_1BaseSequenceScanner_1_1FileHeader.html#a394cc7bb9ae9309bce7f4d9167b083fc">compression_type</a></td></tr> |
| <tr class="memdesc:a394cc7bb9ae9309bce7f4d9167b083fc"><td class="mdescLeft"> </td><td class="mdescRight">Enum for compression type. <a href="#a394cc7bb9ae9309bce7f4d9167b083fc">More...</a><br/></td></tr> |
| <tr class="separator:a394cc7bb9ae9309bce7f4d9167b083fc"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a87d5f2145212f3a762255c4713357965"><td class="memItemLeft" align="right" valign="top">int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structimpala_1_1BaseSequenceScanner_1_1FileHeader.html#a87d5f2145212f3a762255c4713357965">header_size</a></td></tr> |
| <tr class="separator:a87d5f2145212f3a762255c4713357965"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>Data that is fixed across headers. This struct is shared between scan ranges. </p> |
| |
| <p>Definition at line <a class="el" href="hdfs-rcfile-scanner_8h_source.html#l00334">334</a> of file <a class="el" href="hdfs-rcfile-scanner_8h_source.html">hdfs-rcfile-scanner.h</a>.</p> |
| </div><h2 class="groupheader">Member Data Documentation</h2> |
| <a class="anchor" id="abc53f9d2e221152f0cbab170c709eddb"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
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| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">std::string impala::BaseSequenceScanner::FileHeader::codec</td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inherited</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p><a class="el" href="classimpala_1_1Codec.html">Codec</a> name if it is compressed. </p> |
| |
| <p>Definition at line <a class="el" href="base-sequence-scanner_8h_source.html#l00063">63</a> of file <a class="el" href="base-sequence-scanner_8h_source.html">base-sequence-scanner.h</a>.</p> |
| |
| <p>Referenced by <a class="el" href="hdfs-sequence-scanner_8cc_source.html#l00061">impala::HdfsSequenceScanner::InitNewRange()</a>, <a class="el" href="hdfs-rcfile-scanner_8cc_source.html#l00068">impala::HdfsRCFileScanner::InitNewRange()</a>, <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00125">impala::HdfsAvroScanner::ParseMetadata()</a>, <a class="el" href="hdfs-sequence-scanner_8cc_source.html#l00345">impala::HdfsSequenceScanner::ReadFileHeader()</a>, and <a class="el" href="hdfs-rcfile-scanner_8cc_source.html#l00107">impala::HdfsRCFileScanner::ReadFileHeader()</a>.</p> |
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| </div> |
| </div> |
| <a class="anchor" id="a394cc7bb9ae9309bce7f4d9167b083fc"></a> |
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| <td class="memname">THdfsCompression::type impala::BaseSequenceScanner::FileHeader::compression_type</td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inherited</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
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| <p>Enum for compression type. </p> |
| |
| <p>Definition at line <a class="el" href="base-sequence-scanner_8h_source.html#l00066">66</a> of file <a class="el" href="base-sequence-scanner_8h_source.html">base-sequence-scanner.h</a>.</p> |
| |
| <p>Referenced by <a class="el" href="base-sequence-scanner_8cc_source.html#l00082">impala::BaseSequenceScanner::Close()</a>, <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00493">impala::HdfsAvroScanner::InitNewRange()</a>, <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00125">impala::HdfsAvroScanner::ParseMetadata()</a>, <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00517">impala::HdfsAvroScanner::ProcessRange()</a>, <a class="el" href="hdfs-sequence-scanner_8cc_source.html#l00345">impala::HdfsSequenceScanner::ReadFileHeader()</a>, and <a class="el" href="hdfs-rcfile-scanner_8cc_source.html#l00107">impala::HdfsRCFileScanner::ReadFileHeader()</a>.</p> |
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| </div> |
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| <a class="anchor" id="a87d5f2145212f3a762255c4713357965"></a> |
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| <td class="memname">int64_t impala::BaseSequenceScanner::FileHeader::header_size</td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inherited</span></span> </td> |
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| </div><div class="memdoc"> |
| <p>Byte size of header. This must not include the sync directly preceding the data (even if the sync is considered part of the header in the file format spec). </p> |
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| <p>Definition at line <a class="el" href="base-sequence-scanner_8h_source.html#l00070">70</a> of file <a class="el" href="base-sequence-scanner_8h_source.html">base-sequence-scanner.h</a>.</p> |
| |
| <p>Referenced by <a class="el" href="base-sequence-scanner_8cc_source.html#l00100">impala::BaseSequenceScanner::ProcessSplit()</a>, <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00099">impala::HdfsAvroScanner::ReadFileHeader()</a>, <a class="el" href="hdfs-sequence-scanner_8cc_source.html#l00345">impala::HdfsSequenceScanner::ReadFileHeader()</a>, and <a class="el" href="hdfs-rcfile-scanner_8cc_source.html#l00107">impala::HdfsRCFileScanner::ReadFileHeader()</a>.</p> |
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| <a class="anchor" id="a17899a9d57bf0246139d62029d40a7a3"></a> |
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| <td class="memname"><a class="el" href="classbool.html">bool</a> impala::BaseSequenceScanner::FileHeader::is_compressed</td> |
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| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inherited</span></span> </td> |
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| <p>true if the file is compressed </p> |
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| <p>Definition at line <a class="el" href="base-sequence-scanner_8h_source.html#l00060">60</a> of file <a class="el" href="base-sequence-scanner_8h_source.html">base-sequence-scanner.h</a>.</p> |
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| <p>Referenced by <a class="el" href="hdfs-sequence-scanner_8cc_source.html#l00103">impala::HdfsSequenceScanner::GetRecord()</a>, <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00493">impala::HdfsAvroScanner::InitNewRange()</a>, <a class="el" href="hdfs-sequence-scanner_8cc_source.html#l00061">impala::HdfsSequenceScanner::InitNewRange()</a>, <a class="el" href="hdfs-rcfile-scanner_8cc_source.html#l00068">impala::HdfsRCFileScanner::InitNewRange()</a>, <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00125">impala::HdfsAvroScanner::ParseMetadata()</a>, <a class="el" href="hdfs-sequence-scanner_8cc_source.html#l00161">impala::HdfsSequenceScanner::ProcessBlockCompressedScanRange()</a>, <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00517">impala::HdfsAvroScanner::ProcessRange()</a>, <a class="el" href="hdfs-sequence-scanner_8cc_source.html#l00271">impala::HdfsSequenceScanner::ProcessRange()</a>, <a class="el" href="base-sequence-scanner_8cc_source.html#l00100">impala::BaseSequenceScanner::ProcessSplit()</a>, <a class="el" href="hdfs-rcfile-scanner_8cc_source.html#l00413">impala::HdfsRCFileScanner::ReadColumnBuffers()</a>, <a class="el" href="hdfs-sequence-scanner_8cc_source.html#l00345">impala::HdfsSequenceScanner::ReadFileHeader()</a>, <a class="el" href="hdfs-rcfile-scanner_8cc_source.html#l00107">impala::HdfsRCFileScanner::ReadFileHeader()</a>, and <a class="el" href="hdfs-rcfile-scanner_8cc_source.html#l00308">impala::HdfsRCFileScanner::ReadKeyBuffers()</a>.</p> |
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| <td class="memname">int impala::HdfsRCFileScanner::RcFileHeader::num_cols</td> |
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| <p>The number of columns in the file (may be more than the number of columns in the table metadata) </p> |
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| <p>Definition at line <a class="el" href="hdfs-rcfile-scanner_8h_source.html#l00340">340</a> of file <a class="el" href="hdfs-rcfile-scanner_8h_source.html">hdfs-rcfile-scanner.h</a>.</p> |
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| <p>Referenced by <a class="el" href="hdfs-rcfile-scanner_8cc_source.html#l00197">impala::HdfsRCFileScanner::ReadNumColumnsMetadata()</a>.</p> |
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| <a class="anchor" id="ab57f8bf94e3f23b8e9ed076b786d7a23"></a> |
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| <td class="memname">uint8_t impala::BaseSequenceScanner::FileHeader::sync[<a class="el" href="classimpala_1_1BaseSequenceScanner.html#a5814338e23714b1d66022f75bbb48c5b">SYNC_HASH_SIZE</a>]</td> |
| </tr> |
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| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">inherited</span></span> </td> |
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| <p>The sync hash for this file. </p> |
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| <p>Definition at line <a class="el" href="base-sequence-scanner_8h_source.html#l00057">57</a> of file <a class="el" href="base-sequence-scanner_8h_source.html">base-sequence-scanner.h</a>.</p> |
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| <p>Referenced by <a class="el" href="base-sequence-scanner_8cc_source.html#l00100">impala::BaseSequenceScanner::ProcessSplit()</a>, <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00099">impala::HdfsAvroScanner::ReadFileHeader()</a>, <a class="el" href="hdfs-sequence-scanner_8cc_source.html#l00345">impala::HdfsSequenceScanner::ReadFileHeader()</a>, <a class="el" href="hdfs-rcfile-scanner_8cc_source.html#l00107">impala::HdfsRCFileScanner::ReadFileHeader()</a>, and <a class="el" href="base-sequence-scanner_8cc_source.html#l00170">impala::BaseSequenceScanner::ReadSync()</a>.</p> |
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| <a class="anchor" id="a12012902442de708f3839d69da799e46"></a> |
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| <td class="memname"><a class="el" href="classimpala_1_1HdfsRCFileScanner.html#a6b7dadac13ac321a4516ee9d4e5fdf4e">Version</a> impala::HdfsRCFileScanner::RcFileHeader::version</td> |
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| </div><div class="memdoc"> |
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| <p>RC file version. </p> |
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| <p>Definition at line <a class="el" href="hdfs-rcfile-scanner_8h_source.html#l00336">336</a> of file <a class="el" href="hdfs-rcfile-scanner_8h_source.html">hdfs-rcfile-scanner.h</a>.</p> |
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| <p>Referenced by <a class="el" href="hdfs-rcfile-scanner_8cc_source.html#l00107">impala::HdfsRCFileScanner::ReadFileHeader()</a>.</p> |
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| </div> |
| </div> |
| <hr/>The documentation for this struct was generated from the following file:<ul> |
| <li>be/src/exec/<a class="el" href="hdfs-rcfile-scanner_8h_source.html">hdfs-rcfile-scanner.h</a></li> |
| </ul> |
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| <li class="navelem"><a class="el" href="namespaceimpala.html">impala</a></li><li class="navelem"><a class="el" href="classimpala_1_1HdfsRCFileScanner.html">HdfsRCFileScanner</a></li><li class="navelem"><a class="el" href="structimpala_1_1HdfsRCFileScanner_1_1RcFileHeader.html">RcFileHeader</a></li> |
| <li class="footer">Generated on Thu May 7 2015 16:10:47 for Impala by |
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