cassandra-server

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">  <html lang="en"> <head>  <title>CqlNativeStorage (apache-cassandra API)</title> <meta name="date" content="2014-09-07"> <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style"> </head> <body> <script type="text/javascript"> </script> <noscript> <div>JavaScript is disabled on your browser.</div> </noscript>  <div class="topNav"><a name="navbar_top">  </a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow">  </a> <ul class="navList" title="Navigation"> <li><a href="../../../../../overview-summary.html">Overview</a></li> <li><a href="package-summary.html">Package</a></li> <li class="navBarCell1Rev">Class</li> <li><a href="class-use/CqlNativeStorage.html">Use</a></li> <li><a href="package-tree.html">Tree</a></li> <li><a href="../../../../../deprecated-list.html">Deprecated</a></li> <li><a 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href="#nested_classes_inherited_from_class_org.apache.cassandra.hadoop.pig.AbstractCassandraStorage">Nested</a> | </li> <li><a href="#fields_inherited_from_class_org.apache.cassandra.hadoop.pig.CqlStorage">Field</a> | </li> <li><a href="#constructor_summary">Constr</a> | </li> <li><a href="#method_summary">Method</a></li> </ul> <ul class="subNavList"> <li>Detail: </li> <li>Field | </li> <li><a href="#constructor_detail">Constr</a> | </li> <li><a href="#method_detail">Method</a></li> </ul> </div> <a name="skip-navbar_top">  </a></div>   <div class="header"> <div class="subTitle">org.apache.cassandra.hadoop.pig</div> <h2 title="Class CqlNativeStorage" class="title">Class CqlNativeStorage</h2> </div> <div class="contentContainer"> <ul class="inheritance"> <li>java.lang.Object</li> <li> <ul class="inheritance"> <li>org.apache.pig.LoadFunc</li> <li> <ul class="inheritance"> <li><a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html" title="class in org.apache.cassandra.hadoop.pig">org.apache.cassandra.hadoop.pig.AbstractCassandraStorage</a></li> <li> <ul class="inheritance"> <li><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html" title="class in org.apache.cassandra.hadoop.pig">org.apache.cassandra.hadoop.pig.CqlStorage</a></li> <li> <ul class="inheritance"> <li>org.apache.cassandra.hadoop.pig.CqlNativeStorage</li> </ul> </li> </ul> </li> </ul> </li> </ul> </li> </ul> <div class="description"> <ul class="blockList"> <li class="blockList"> <dl> <dt>All Implemented Interfaces:</dt> <dd>org.apache.pig.LoadMetadata, org.apache.pig.StoreFuncInterface</dd> </dl> <hr> <br> <pre>public class <span class="strong">CqlNativeStorage</span> extends <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html" title="class in org.apache.cassandra.hadoop.pig">CqlStorage</a></pre> </li> </ul> </div> <div class="summary"> <ul class="blockList"> <li class="blockList">  <ul class="blockList"> <li class="blockList"><a 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class="blockList"> <li class="blockList"><a name="fields_inherited_from_class_org.apache.cassandra.hadoop.pig.CqlStorage">  </a> <h3>Fields inherited from class org.apache.cassandra.hadoop.pig.<a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html" title="class in org.apache.cassandra.hadoop.pig">CqlStorage</a></h3> <code><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#columns">columns</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#outputQuery">outputQuery</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#pageSize">pageSize</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#whereClause">whereClause</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#writer">writer</a></code></li> </ul> <ul class="blockList"> <li class="blockList"><a name="fields_inherited_from_class_org.apache.cassandra.hadoop.pig.AbstractCassandraStorage">  </a> <h3>Fields inherited from class org.apache.cassandra.hadoop.pig.<a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html" title="class in org.apache.cassandra.hadoop.pig">AbstractCassandraStorage</a></h3> <code><a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#column_family">column_family</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#conf">conf</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#DEFAULT_INPUT_FORMAT">DEFAULT_INPUT_FORMAT</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#DEFAULT_OUTPUT_FORMAT">DEFAULT_OUTPUT_FORMAT</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#initHostAddress">initHostAddress</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#inputFormatClass">inputFormatClass</a>, <a 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class="blockList"> <li class="blockList"><a name="constructor_summary">  </a> <h3>Constructor Summary</h3> <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> <caption><span>Constructors</span><span class="tabEnd"> </span></caption> <tr> <th class="colOne" scope="col">Constructor and Description</th> </tr> <tr class="altColor"> <td class="colOne"><code><strong><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlNativeStorage.html#CqlNativeStorage()">CqlNativeStorage</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colOne"><code><strong><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlNativeStorage.html#CqlNativeStorage(int)">CqlNativeStorage</a></strong>(int pageSize)</code> </td> </tr> </table> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="method_summary">  </a> <h3>Method Summary</h3> <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> <caption><span>Methods</span><span class="tabEnd"> </span></caption> <tr> <th class="colFirst" scope="col">Modifier and Type</th> <th class="colLast" scope="col">Method and Description</th> </tr> <tr class="altColor"> <td class="colFirst"><code>org.apache.pig.data.Tuple</code></td> <td class="colLast"><code><strong><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlNativeStorage.html#getNext()">getNext</a></strong>()</code> <div class="block">get next row</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlNativeStorage.html#prepareToRead(org.apache.hadoop.mapreduce.RecordReader,%20org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigSplit)">prepareToRead</a></strong>(org.apache.hadoop.mapreduce.RecordReader reader, org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigSplit split)</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlNativeStorage.html#setLocation(java.lang.String,%20org.apache.hadoop.mapreduce.Job)">setLocation</a></strong>(java.lang.String location, org.apache.hadoop.mapreduce.Job job)</code> <div class="block">set read configuration settings</div> </td> </tr> </table> <ul class="blockList"> <li class="blockList"><a name="methods_inherited_from_class_org.apache.cassandra.hadoop.pig.CqlStorage">  </a> <h3>Methods inherited from class org.apache.cassandra.hadoop.pig.<a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html" title="class in org.apache.cassandra.hadoop.pig">CqlStorage</a></h3> <code><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#cqlColumnToObj(org.apache.cassandra.db.Cell,%20org.apache.cassandra.thrift.CfDef)">cqlColumnToObj</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#getColumnMetadata(org.apache.cassandra.thrift.Cassandra.Client)">getColumnMetadata</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#getKeysMeta(org.apache.cassandra.thrift.Cassandra.Client)">getKeysMeta</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#getSchema(java.lang.String,%20org.apache.hadoop.mapreduce.Job)">getSchema</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#nullToBB()">nullToBB</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#prepareToWrite(org.apache.hadoop.mapreduce.RecordWriter)">prepareToWrite</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#putNext(org.apache.pig.data.Tuple)">putNext</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#setPartitionFilter(org.apache.pig.Expression)">setPartitionFilter</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#setStoreLocation(java.lang.String,%20org.apache.hadoop.mapreduce.Job)">setStoreLocation</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#setTupleValue(org.apache.pig.data.Tuple,%20int,%20java.lang.Object,%20org.apache.cassandra.db.marshal.AbstractType)">setTupleValue</a></code></li> </ul> <ul class="blockList"> <li class="blockList"><a name="methods_inherited_from_class_org.apache.cassandra.hadoop.pig.AbstractCassandraStorage">  </a> <h3>Methods inherited from class org.apache.cassandra.hadoop.pig.<a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html" title="class in org.apache.cassandra.hadoop.pig">AbstractCassandraStorage</a></h3> <code><a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#cassandraToObj(org.apache.cassandra.db.marshal.AbstractType,%20java.nio.ByteBuffer)">cassandraToObj</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#cfdefFromString(java.lang.String)">cfdefFromString</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#cfdefToString(org.apache.cassandra.thrift.CfDef)">cfdefToString</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#checkSchema(org.apache.pig.ResourceSchema)">checkSchema</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#cleanupOnFailure(java.lang.String,%20org.apache.hadoop.mapreduce.Job)">cleanupOnFailure</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#cleanupOnSuccess(java.lang.String,%20org.apache.hadoop.mapreduce.Job)">cleanupOnSuccess</a>, <a 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href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#setStoreFuncUDFContextSignature(java.lang.String)">setStoreFuncUDFContextSignature</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#setTupleValue(org.apache.pig.data.Tuple,%20int,%20java.lang.Object)">setTupleValue</a>, <a href="../../../../../org/apache/cassandra/hadoop/pig/AbstractCassandraStorage.html#setUDFContextSignature(java.lang.String)">setUDFContextSignature</a></code></li> </ul> <ul class="blockList"> <li class="blockList"><a name="methods_inherited_from_class_org.apache.pig.LoadFunc">  </a> <h3>Methods inherited from class org.apache.pig.LoadFunc</h3> <code>getAbsolutePath, getLoadCaster, getPathStrings, join, warn</code></li> </ul> <ul class="blockList"> <li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">  </a> <h3>Methods inherited from class java.lang.Object</h3> <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> </ul> </li> </ul> </li> </ul> </div> <div class="details"> <ul class="blockList"> <li class="blockList">  <ul class="blockList"> <li class="blockList"><a name="constructor_detail">  </a> <h3>Constructor Detail</h3> <a name="CqlNativeStorage()">  </a> <ul class="blockList"> <li class="blockList"> <h4>CqlNativeStorage</h4> <pre>public CqlNativeStorage()</pre> </li> </ul> <a name="CqlNativeStorage(int)">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>CqlNativeStorage</h4> <pre>public CqlNativeStorage(int pageSize)</pre> <dl><dt><span class="strong">Parameters:</span></dt><dd><code>pageSize</code> - limit number of CQL rows to fetch in a thrift request</dd></dl> </li> </ul> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="method_detail">  </a> <h3>Method Detail</h3> <a name="prepareToRead(org.apache.hadoop.mapreduce.RecordReader, org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigSplit)">  </a> <ul class="blockList"> <li class="blockList"> <h4>prepareToRead</h4> <pre>public void prepareToRead(org.apache.hadoop.mapreduce.RecordReader reader, org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigSplit split)</pre> <dl> <dt><strong>Overrides:</strong></dt> <dd><code><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#prepareToRead(org.apache.hadoop.mapreduce.RecordReader,%20org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigSplit)">prepareToRead</a></code> in class <code><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html" title="class in org.apache.cassandra.hadoop.pig">CqlStorage</a></code></dd> </dl> </li> </ul> <a name="getNext()">  </a> <ul class="blockList"> <li class="blockList"> <h4>getNext</h4> <pre>public org.apache.pig.data.Tuple getNext() throws java.io.IOException</pre> <div class="block">get next row</div> <dl> <dt><strong>Overrides:</strong></dt> <dd><code><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#getNext()">getNext</a></code> in class <code><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html" title="class in org.apache.cassandra.hadoop.pig">CqlStorage</a></code></dd> <dt><span class="strong">Throws:</span></dt> <dd><code>java.io.IOException</code></dd></dl> </li> </ul> <a name="setLocation(java.lang.String, org.apache.hadoop.mapreduce.Job)">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>setLocation</h4> <pre>public void setLocation(java.lang.String location, org.apache.hadoop.mapreduce.Job job) throws java.io.IOException</pre> <div class="block">set read configuration settings</div> <dl> <dt><strong>Overrides:</strong></dt> <dd><code><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html#setLocation(java.lang.String,%20org.apache.hadoop.mapreduce.Job)">setLocation</a></code> in class <code><a href="../../../../../org/apache/cassandra/hadoop/pig/CqlStorage.html" title="class in org.apache.cassandra.hadoop.pig">CqlStorage</a></code></dd> <dt><span class="strong">Throws:</span></dt> <dd><code>java.io.IOException</code></dd></dl> </li> </ul> </li> </ul> </li> </ul> </div> </div>   <div class="bottomNav"><a name="navbar_bottom">  </a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow">  </a> <ul class="navList" title="Navigation"> <li><a href="../../../../../overview-summary.html">Overview</a></li> <li><a href="package-summary.html">Package</a></li> <li class="navBarCell1Rev">Class</li> <li><a href="class-use/CqlNativeStorage.html">Use</a></li> <li><a href="package-tree.html">Tree</a></li> <li><a href="../../../../../deprecated-list.html">Deprecated</a></li> <li><a href="../../../../../index-all.html">Index</a></li> <li><a href="../../../../../help-doc.html">Help</a></li> </ul> </div> <div class="subNav"> <ul class="navList"> <li><a 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