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<div class="title">impala::HdfsAvroScanner::AvroFileHeader Struct Reference</div> </div>
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Inheritance diagram for impala::HdfsAvroScanner::AvroFileHeader:</div>
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Collaboration diagram for impala::HdfsAvroScanner::AvroFileHeader:</div>
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Public Attributes</h2></td></tr>
<tr class="memitem:aab0313d88aa4ee221a933b6ae9bfb11a"><td class="memItemLeft" align="right" valign="top">std::vector&lt; <a class="el" href="structimpala_1_1HdfsAvroScanner_1_1SchemaElement.html">SchemaElement</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structimpala_1_1HdfsAvroScanner_1_1AvroFileHeader.html#aab0313d88aa4ee221a933b6ae9bfb11a">schema</a></td></tr>
<tr class="memdesc:aab0313d88aa4ee221a933b6ae9bfb11a"><td class="mdescLeft">&#160;</td><td class="mdescRight">List of SchemaElements corresponding to the fields of the file schema. <a href="#aab0313d88aa4ee221a933b6ae9bfb11a">More...</a><br/></td></tr>
<tr class="separator:aab0313d88aa4ee221a933b6ae9bfb11a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afb8215d6e66c1728bfbb21fd30ae3446"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classimpala_1_1Tuple.html">Tuple</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structimpala_1_1HdfsAvroScanner_1_1AvroFileHeader.html#afb8215d6e66c1728bfbb21fd30ae3446">template_tuple</a></td></tr>
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<tr class="memitem:aa9c848100ff43a5e11080c2bc8f3373c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classbool.html">bool</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structimpala_1_1HdfsAvroScanner_1_1AvroFileHeader.html#aa9c848100ff43a5e11080c2bc8f3373c">use_codegend_decode_avro_data</a></td></tr>
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<tr class="memitem:ab57f8bf94e3f23b8e9ed076b786d7a23"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</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">&#160;</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">&#160;</td></tr>
<tr class="memitem:a17899a9d57bf0246139d62029d40a7a3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classbool.html">bool</a>&#160;</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">&#160;</td><td class="mdescRight">true if the file is compressed <a href="#a17899a9d57bf0246139d62029d40a7a3">More...</a><br/></td></tr>
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<tr class="memitem:abc53f9d2e221152f0cbab170c709eddb"><td class="memItemLeft" align="right" valign="top">std::string&#160;</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">&#160;</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">&#160;</td></tr>
<tr class="memitem:a394cc7bb9ae9309bce7f4d9167b083fc"><td class="memItemLeft" align="right" valign="top">THdfsCompression::type&#160;</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">&#160;</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">&#160;</td></tr>
<tr class="memitem:a87d5f2145212f3a762255c4713357965"><td class="memItemLeft" align="right" valign="top">int64_t&#160;</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">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock">
<p>Definition at line <a class="el" href="hdfs-avro-scanner_8h_source.html#l00145">145</a> of file <a class="el" href="hdfs-avro-scanner_8h_source.html">hdfs-avro-scanner.h</a>.</p>
</div><h2 class="groupheader">Member Data Documentation</h2>
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<td class="memname">std::string impala::BaseSequenceScanner::FileHeader::codec</td>
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<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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<td class="memname">THdfsCompression::type impala::BaseSequenceScanner::FileHeader::compression_type</td>
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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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<td class="memname">int64_t impala::BaseSequenceScanner::FileHeader::header_size</td>
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<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>
<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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<td class="memname"><a class="el" href="classbool.html">bool</a> impala::BaseSequenceScanner::FileHeader::is_compressed</td>
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<p>true if the file is compressed </p>
<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>
<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">std::vector&lt;<a class="el" href="structimpala_1_1HdfsAvroScanner_1_1SchemaElement.html">SchemaElement</a>&gt; impala::HdfsAvroScanner::AvroFileHeader::schema</td>
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<p>List of SchemaElements corresponding to the fields of the file schema. </p>
<p>Definition at line <a class="el" href="hdfs-avro-scanner_8h_source.html#l00147">147</a> of file <a class="el" href="hdfs-avro-scanner_8h_source.html">hdfs-avro-scanner.h</a>.</p>
<p>Referenced by <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00585">impala::HdfsAvroScanner::MaterializeTuple()</a>, <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00125">impala::HdfsAvroScanner::ParseMetadata()</a>, and <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00220">impala::HdfsAvroScanner::ResolveSchemas()</a>.</p>
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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>
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<p>The sync hash for this file. </p>
<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>
<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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<td class="memname"><a class="el" href="classimpala_1_1Tuple.html">Tuple</a>* impala::HdfsAvroScanner::AvroFileHeader::template_tuple</td>
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<p>Template tuple for this file containing partition key values and default values. NULL if there are no materialized partition keys and no default values are necessary (i.e., all materialized fields are present in the file schema). template_tuple_ is set to this value. </p>
<p>Definition at line <a class="el" href="hdfs-avro-scanner_8h_source.html#l00153">153</a> of file <a class="el" href="hdfs-avro-scanner_8h_source.html">hdfs-avro-scanner.h</a>.</p>
<p>Referenced by <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00093">impala::HdfsAvroScanner::AllocateFileHeader()</a>, <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00493">impala::HdfsAvroScanner::InitNewRange()</a>, and <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00220">impala::HdfsAvroScanner::ResolveSchemas()</a>.</p>
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<td class="memname"><a class="el" href="classbool.html">bool</a> impala::HdfsAvroScanner::AvroFileHeader::use_codegend_decode_avro_data</td>
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<p>True if this file can use the codegen'd version of <a class="el" href="classimpala_1_1HdfsAvroScanner.html#a60db6623b87b4488565d6fc1041eef34">DecodeAvroData()</a> (i.e. its schema matches the table schema), false otherwise. </p>
<p>Definition at line <a class="el" href="hdfs-avro-scanner_8h_source.html#l00157">157</a> of file <a class="el" href="hdfs-avro-scanner_8h_source.html">hdfs-avro-scanner.h</a>.</p>
<p>Referenced by <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00493">impala::HdfsAvroScanner::InitNewRange()</a>, and <a class="el" href="hdfs-avro-scanner_8cc_source.html#l00125">impala::HdfsAvroScanner::ParseMetadata()</a>.</p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>be/src/exec/<a class="el" href="hdfs-avro-scanner_8h_source.html">hdfs-avro-scanner.h</a></li>
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