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| |
| <p><code>#include <<a class="el" href="hdfs-lzo-text-scanner_8h_source.html">hdfs-lzo-text-scanner.h</a>></code></p> |
| <div class="dynheader"> |
| Collaboration diagram for impala::HdfsLzoTextScanner:</div> |
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| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a> |
| Static Public Member Functions</h2></td></tr> |
| <tr class="memitem:a36d59f2e650b640c3f3e999ce52db514"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classimpala_1_1HdfsScanner.html">HdfsScanner</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1HdfsLzoTextScanner.html#a36d59f2e650b640c3f3e999ce52db514">GetHdfsLzoTextScanner</a> (<a class="el" href="classimpala_1_1HdfsScanNode.html">HdfsScanNode</a> *scan_node, <a class="el" href="classimpala_1_1RuntimeState.html">RuntimeState</a> *state)</td></tr> |
| <tr class="separator:a36d59f2e650b640c3f3e999ce52db514"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a4af6c9a83b3523d746b95b019b342194"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classimpala_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1HdfsLzoTextScanner.html#a4af6c9a83b3523d746b95b019b342194">IssueInitialRanges</a> (<a class="el" href="classimpala_1_1HdfsScanNode.html">HdfsScanNode</a> *scan_node, const std::vector< <a class="el" href="structimpala_1_1HdfsFileDesc.html">HdfsFileDesc</a> * > &files)</td></tr> |
| <tr class="separator:a4af6c9a83b3523d746b95b019b342194"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-static-methods"></a> |
| Static Private Member Functions</h2></td></tr> |
| <tr class="memitem:a0fae42288c8d963d1ff3864657a4b001"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classimpala_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1HdfsLzoTextScanner.html#a0fae42288c8d963d1ff3864657a4b001">LoadLzoLibrary</a> ()</td></tr> |
| <tr class="separator:a0fae42288c8d963d1ff3864657a4b001"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-static-attribs"></a> |
| Static Private Attributes</h2></td></tr> |
| <tr class="memitem:aaf47d5a11948e4a9e2aaa13a319b9a05"><td class="memItemLeft" align="right" valign="top">static const std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1HdfsLzoTextScanner.html#aaf47d5a11948e4a9e2aaa13a319b9a05">LIB_IMPALA_LZO</a> = "libimpalalzo.so"</td></tr> |
| <tr class="memdesc:aaf47d5a11948e4a9e2aaa13a319b9a05"><td class="mdescLeft"> </td><td class="mdescRight">Impala LZO library name – GPL code. <a href="#aaf47d5a11948e4a9e2aaa13a319b9a05">More...</a><br/></td></tr> |
| <tr class="separator:aaf47d5a11948e4a9e2aaa13a319b9a05"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a55ca6a0ee2b52aae979087fe909124e5"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classimpala_1_1Status.html">Status</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1HdfsLzoTextScanner.html#a55ca6a0ee2b52aae979087fe909124e5">library_load_status_</a></td></tr> |
| <tr class="memdesc:a55ca6a0ee2b52aae979087fe909124e5"><td class="mdescLeft"> </td><td class="mdescRight">If non-OK, then we have tried and failed to load the LZO library. <a href="#a55ca6a0ee2b52aae979087fe909124e5">More...</a><br/></td></tr> |
| <tr class="separator:a55ca6a0ee2b52aae979087fe909124e5"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a543422709b7e810be4669000ca92a1f0"><td class="memItemLeft" align="right" valign="top">static boost::mutex </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1HdfsLzoTextScanner.html#a543422709b7e810be4669000ca92a1f0">lzo_load_lock_</a></td></tr> |
| <tr class="memdesc:a543422709b7e810be4669000ca92a1f0"><td class="mdescLeft"> </td><td class="mdescRight">Lock to protect loading of the lzo file library. <a href="#a543422709b7e810be4669000ca92a1f0">More...</a><br/></td></tr> |
| <tr class="separator:a543422709b7e810be4669000ca92a1f0"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:abfde6974c588db5de8601bf1e92948c7"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classimpala_1_1HdfsScanner.html">HdfsScanner</a> *(* </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1HdfsLzoTextScanner.html#abfde6974c588db5de8601bf1e92948c7">CreateLzoTextScanner</a> )(<a class="el" href="classimpala_1_1HdfsScanNode.html">HdfsScanNode</a> *scan_node, <a class="el" href="classimpala_1_1RuntimeState.html">RuntimeState</a> *state)</td></tr> |
| <tr class="memdesc:abfde6974c588db5de8601bf1e92948c7"><td class="mdescLeft"> </td><td class="mdescRight">Dynamically linked function to create the Lzo Scanner Object. <a href="#abfde6974c588db5de8601bf1e92948c7">More...</a><br/></td></tr> |
| <tr class="separator:abfde6974c588db5de8601bf1e92948c7"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a63d7d8c2805072283cd87a3ce5b29bc7"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classimpala_1_1Status.html">Status</a>(* </td><td class="memItemRight" valign="bottom"><a class="el" href="classimpala_1_1HdfsLzoTextScanner.html#a63d7d8c2805072283cd87a3ce5b29bc7">LzoIssueInitialRanges</a> )(<a class="el" href="classimpala_1_1HdfsScanNode.html">HdfsScanNode</a> *scan_node, const std::vector< <a class="el" href="structimpala_1_1HdfsFileDesc.html">HdfsFileDesc</a> * > &files)</td></tr> |
| <tr class="memdesc:a63d7d8c2805072283cd87a3ce5b29bc7"><td class="mdescLeft"> </td><td class="mdescRight">Dynamically linked function to set the initial scan ranges. <a href="#a63d7d8c2805072283cd87a3ce5b29bc7">More...</a><br/></td></tr> |
| <tr class="separator:a63d7d8c2805072283cd87a3ce5b29bc7"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>This is a wrapper for calling the external <a class="el" href="classimpala_1_1HdfsLzoTextScanner.html">HdfsLzoTextScanner</a> The LZO scanner class is implemented in a dynamically linked library so that Impala does not include GPL code. The two entry points are: IssueInitialRanges – issue calls to the I/O manager to read the file headers GetHdfsLzoTextScanner – returns a pointer to the Scanner object. </p> |
| |
| <p>Definition at line <a class="el" href="hdfs-lzo-text-scanner_8h_source.html#l00031">31</a> of file <a class="el" href="hdfs-lzo-text-scanner_8h_source.html">hdfs-lzo-text-scanner.h</a>.</p> |
| </div><h2 class="groupheader">Member Function Documentation</h2> |
| <a class="anchor" id="a36d59f2e650b640c3f3e999ce52db514"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="classimpala_1_1HdfsScanner.html">HdfsScanner</a> * impala::HdfsLzoTextScanner::GetHdfsLzoTextScanner </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="classimpala_1_1HdfsScanNode.html">HdfsScanNode</a> * </td> |
| <td class="paramname"><em>scan_node</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="classimpala_1_1RuntimeState.html">RuntimeState</a> * </td> |
| <td class="paramname"><em>state</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>Definition at line <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html#l00050">50</a> of file <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html">hdfs-lzo-text-scanner.cc</a>.</p> |
| |
| <p>References <a class="el" href="hdfs-lzo-text-scanner_8h_source.html#l00049">CreateLzoTextScanner</a>.</p> |
| |
| <p>Referenced by <a class="el" href="hdfs-scan-node_8cc_source.html#l00230">impala::HdfsScanNode::CreateAndPrepareScanner()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a4af6c9a83b3523d746b95b019b342194"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="classimpala_1_1Status.html">Status</a> impala::HdfsLzoTextScanner::IssueInitialRanges </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="classimpala_1_1HdfsScanNode.html">HdfsScanNode</a> * </td> |
| <td class="paramname"><em>scan_node</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const std::vector< <a class="el" href="structimpala_1_1HdfsFileDesc.html">HdfsFileDesc</a> * > & </td> |
| <td class="paramname"><em>files</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>Definition at line <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html#l00060">60</a> of file <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html">hdfs-lzo-text-scanner.cc</a>.</p> |
| |
| <p>References <a class="el" href="status_8cc_source.html#l00166">impala::Status::AddDetail()</a>, <a class="el" href="version_8h_source.html#l00021">IMPALA_BUILD_VERSION</a>, <a class="el" href="hdfs-lzo-text-scanner_8h_source.html#l00042">library_load_status_</a>, <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html#l00084">LoadLzoLibrary()</a>, <a class="el" href="hdfs-lzo-text-scanner_8h_source.html#l00045">lzo_load_lock_</a>, <a class="el" href="hdfs-lzo-text-scanner_8h_source.html#l00052">LzoIssueInitialRanges</a>, and <a class="el" href="status_8h_source.html#l00172">impala::Status::ok()</a>.</p> |
| |
| <p>Referenced by <a class="el" href="hdfs-text-scanner_8cc_source.html#l00067">impala::HdfsTextScanner::IssueInitialRanges()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a0fae42288c8d963d1ff3864657a4b001"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="classimpala_1_1Status.html">Status</a> impala::HdfsLzoTextScanner::LoadLzoLibrary </td> |
| <td>(</td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">static</span><span class="mlabel">private</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Dynamically loads CreateLzoTextScanner and LzoIssueInitialRanges. lzo_load_lock_ should be taken before calling this method. </p> |
| |
| <p>Definition at line <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html#l00084">84</a> of file <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html">hdfs-lzo-text-scanner.cc</a>.</p> |
| |
| <p>References <a class="el" href="hdfs-lzo-text-scanner_8h_source.html#l00049">CreateLzoTextScanner</a>, <a class="el" href="dynamic-util_8cc_source.html#l00026">impala::DynamicLookup()</a>, <a class="el" href="dynamic-util_8cc_source.html#l00037">impala::DynamicOpen()</a>, <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html#l00042">impala::GetImpalaBuildVersion</a>, <a class="el" href="version_8h_source.html#l00021">IMPALA_BUILD_VERSION</a>, <a class="el" href="hdfs-lzo-text-scanner_8h_source.html#l00039">LIB_IMPALA_LZO</a>, <a class="el" href="hdfs-lzo-text-scanner_8h_source.html#l00052">LzoIssueInitialRanges</a>, <a class="el" href="status_8h_source.html#l00087">impala::Status::OK</a>, and <a class="el" href="status_8h_source.html#l00242">RETURN_IF_ERROR</a>.</p> |
| |
| <p>Referenced by <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html#l00060">IssueInitialRanges()</a>.</p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Member Data Documentation</h2> |
| <a class="anchor" id="abfde6974c588db5de8601bf1e92948c7"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="classimpala_1_1HdfsScanner.html">HdfsScanner</a> *(* impala::HdfsLzoTextScanner::CreateLzoTextScanner)(<a class="el" href="classimpala_1_1HdfsScanNode.html">HdfsScanNode</a> *scan_node, <a class="el" href="classimpala_1_1RuntimeState.html">RuntimeState</a> *state)</td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">static</span><span class="mlabel">private</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Dynamically linked function to create the Lzo Scanner Object. </p> |
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| <p>Definition at line <a class="el" href="hdfs-lzo-text-scanner_8h_source.html#l00049">49</a> of file <a class="el" href="hdfs-lzo-text-scanner_8h_source.html">hdfs-lzo-text-scanner.h</a>.</p> |
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| <p>Referenced by <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html#l00050">GetHdfsLzoTextScanner()</a>, and <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html#l00084">LoadLzoLibrary()</a>.</p> |
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| <td class="memname">const string HdfsLzoTextScanner::LIB_IMPALA_LZO = "libimpalalzo.so"</td> |
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| <span class="mlabels"><span class="mlabel">static</span><span class="mlabel">private</span></span> </td> |
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| <p>Impala LZO library name – GPL code. </p> |
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| <p>Definition at line <a class="el" href="hdfs-lzo-text-scanner_8h_source.html#l00039">39</a> of file <a class="el" href="hdfs-lzo-text-scanner_8h_source.html">hdfs-lzo-text-scanner.h</a>.</p> |
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| <p>Referenced by <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html#l00084">LoadLzoLibrary()</a>.</p> |
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| <td class="memname"><a class="el" href="classimpala_1_1Status.html">Status</a> impala::HdfsLzoTextScanner::library_load_status_</td> |
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| <p>If non-OK, then we have tried and failed to load the LZO library. </p> |
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| <p>Definition at line <a class="el" href="hdfs-lzo-text-scanner_8h_source.html#l00042">42</a> of file <a class="el" href="hdfs-lzo-text-scanner_8h_source.html">hdfs-lzo-text-scanner.h</a>.</p> |
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| <p>Referenced by <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html#l00060">IssueInitialRanges()</a>.</p> |
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| <td class="memname">mutex impala::HdfsLzoTextScanner::lzo_load_lock_</td> |
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| <p>Lock to protect loading of the lzo file library. </p> |
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| <p>Definition at line <a class="el" href="hdfs-lzo-text-scanner_8h_source.html#l00045">45</a> of file <a class="el" href="hdfs-lzo-text-scanner_8h_source.html">hdfs-lzo-text-scanner.h</a>.</p> |
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| <p>Referenced by <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html#l00060">IssueInitialRanges()</a>.</p> |
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| <td class="memname"><a class="el" href="classimpala_1_1Status.html">Status</a>(* impala::HdfsLzoTextScanner::LzoIssueInitialRanges)(<a class="el" href="classimpala_1_1HdfsScanNode.html">HdfsScanNode</a> *scan_node, const std::vector< <a class="el" href="structimpala_1_1HdfsFileDesc.html">HdfsFileDesc</a> * > &files)</td> |
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| <span class="mlabels"><span class="mlabel">static</span><span class="mlabel">private</span></span> </td> |
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| <p>Dynamically linked function to set the initial scan ranges. </p> |
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| <p>Definition at line <a class="el" href="hdfs-lzo-text-scanner_8h_source.html#l00052">52</a> of file <a class="el" href="hdfs-lzo-text-scanner_8h_source.html">hdfs-lzo-text-scanner.h</a>.</p> |
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| <p>Referenced by <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html#l00060">IssueInitialRanges()</a>, and <a class="el" href="hdfs-lzo-text-scanner_8cc_source.html#l00084">LoadLzoLibrary()</a>.</p> |
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| </div> |
| </div> |
| <hr/>The documentation for this class was generated from the following files:<ul> |
| <li>be/src/exec/<a class="el" href="hdfs-lzo-text-scanner_8h_source.html">hdfs-lzo-text-scanner.h</a></li> |
| <li>be/src/exec/<a class="el" href="hdfs-lzo-text-scanner_8cc_source.html">hdfs-lzo-text-scanner.cc</a></li> |
| </ul> |
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