Google Git
Sign in
apache / drill-site / 1afc0c0bd77668c5c5c8527776fb56bf6159badb / . / apidocs / org / apache / drill / exec / store / parquet / columnreaders / ColumnReader.html
blob: f2534e10bba8164c3f14bc708d80117fc0c18051 [file] [log] [blame]
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!-- NewPage -->
<html lang="en">
<head>
<!-- Generated by javadoc -->
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>ColumnReader (Drill : 1.20.3 API)</title>
<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style">
<script type="text/javascript" src="../../../../../../../script.js"></script>
</head>
<body>
<script type="text/javascript"><!--
try {
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="ColumnReader (Drill : 1.20.3 API)";
}
}
catch(err) {
}
//-->
var methods = {"i0":10,"i1":10,"i2":10,"i3":10,"i4":10,"i5":10,"i6":10,"i7":10,"i8":10,"i9":10,"i10":6,"i11":9,"i12":10,"i13":10,"i14":10,"i15":10,"i16":10,"i17":10,"i18":10,"i19":10,"i20":10,"i21":10,"i22":10};
var tabs = {65535:["t0","All Methods"],1:["t1","Static Methods"],2:["t2","Instance Methods"],4:["t3","Abstract Methods"],8:["t4","Concrete Methods"]};
var altColor = "altColor";
var rowColor = "rowColor";
var tableTab = "tableTab";
var activeTableTab = "activeTableTab";
</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="topNav"><a name="navbar.top">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
<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/ColumnReader.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 href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/BatchReader.VariableWidthReader.html" title="class in org.apache.drill.exec.store.parquet.columnreaders"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
<li><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReaderFactory.html" title="class in org.apache.drill.exec.store.parquet.columnreaders"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../../../index.html?org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html" target="_top">Frames</a></li>
<li><a href="ColumnReader.html" target="_top">No&nbsp;Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_top">
<li><a href="../../../../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_top");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>Summary:&nbsp;</li>
<li>Nested&nbsp;|&nbsp;</li>
<li><a href="#field.summary">Field</a>&nbsp;|&nbsp;</li>
<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method.summary">Method</a></li>
</ul>
<ul class="subNavList">
<li>Detail:&nbsp;</li>
<li><a href="#field.detail">Field</a>&nbsp;|&nbsp;</li>
<li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method.detail">Method</a></li>
</ul>
</div>
<a name="skip.navbar.top">
<!-- -->
</a></div>
<!-- ========= END OF TOP NAVBAR ========= -->
<!-- ======== START OF CLASS DATA ======== -->
<div class="header">
<div class="subTitle">org.apache.drill.exec.store.parquet.columnreaders</div>
<h2 title="Class ColumnReader" class="title">Class ColumnReader&lt;V extends <a href="../../../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>&gt;</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li>org.apache.drill.exec.store.parquet.columnreaders.ColumnReader&lt;V&gt;</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/NullableFixedByteAlignedReaders.CorruptionDetectingNullableDateReader.html" title="class in org.apache.drill.exec.store.parquet.columnreaders">NullableFixedByteAlignedReaders.CorruptionDetectingNullableDateReader</a>, <a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/NullableFixedByteAlignedReaders.NullableCorruptDateReader.html" title="class in org.apache.drill.exec.store.parquet.columnreaders">NullableFixedByteAlignedReaders.NullableCorruptDateReader</a>, <a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/NullableFixedByteAlignedReaders.NullableDateReader.html" title="class in org.apache.drill.exec.store.parquet.columnreaders">NullableFixedByteAlignedReaders.NullableDateReader</a>, <a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/NullableFixedByteAlignedReaders.NullableIntervalReader.html" title="class in org.apache.drill.exec.store.parquet.columnreaders">NullableFixedByteAlignedReaders.NullableIntervalReader</a>, <a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/VarLengthColumn.html" title="class in org.apache.drill.exec.store.parquet.columnreaders">VarLengthColumn</a></dd>
</dl>
<hr>
<br>
<pre>public abstract class <span class="typeNameLabel">ColumnReader&lt;V extends <a href="../../../../../../../org/apache/drill/exec/vector/ValueVector.html" title="interface in org.apache.drill.exec.vector">ValueVector</a>&gt;</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
</li>
</ul>
</div>
<div class="summary">
<ul class="blockList">
<li class="blockList">
<!-- =========== FIELD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="field.summary">
<!-- -->
</a>
<h3>Field Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.parquet.column.Encoding&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#DICTIONARY_ENCODINGS">DICTIONARY_ENCODINGS</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.parquet.column.Encoding&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#VALUE_ENCODINGS">VALUE_ENCODINGS</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../io/netty/buffer/DrillBuf.html" title="class in io.netty.buffer">DrillBuf</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#vectorData">vectorData</a></span></code>&nbsp;</td>
</tr>
</table>
</li>
</ul>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.summary">
<!-- -->
</a>
<h3>Constructor Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier</th>
<th class="colLast" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#ColumnReader-org.apache.drill.exec.store.parquet.columnreaders.ParquetRecordReader-org.apache.parquet.column.ColumnDescriptor-org.apache.parquet.hadoop.metadata.ColumnChunkMetaData-boolean-V-org.apache.parquet.format.SchemaElement-">ColumnReader</a></span>(<a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ParquetRecordReader.html" title="class in org.apache.drill.exec.store.parquet.columnreaders">ParquetRecordReader</a>&nbsp;parentReader,
org.apache.parquet.column.ColumnDescriptor&nbsp;descriptor,
org.apache.parquet.hadoop.metadata.ColumnChunkMetaData&nbsp;columnChunkMetaData,
boolean&nbsp;fixedLength,
<a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html" title="type parameter in ColumnReader">V</a>&nbsp;v,
org.apache.parquet.format.SchemaElement&nbsp;schemaElement)</code>&nbsp;</td>
</tr>
</table>
</li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="method.summary">
<!-- -->
</a>
<h3>Method Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#capacity--">capacity</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#checkVectorCapacityReached--">checkVectorCapacityReached</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#clear--">clear</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#determineSize-long-">determineSize</a></span>(long&nbsp;recordsReadInCurrentPass)</code>
<div class="block">Determines the size of a single value in a variable column.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#getRecordsReadInCurrentPass--">getRecordsReadInCurrentPass</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#hitRowGroupEnd--">hitRowGroupEnd</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#postPageRead--">postPageRead</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#processPageData-int-">processPageData</a></span>(int&nbsp;recordsToReadInThisPass)</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#processPages-long-">processPages</a></span>(long&nbsp;recordsToReadInThisPass)</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#processPagesAsync-long-">processPagesAsync</a></span>(long&nbsp;recordsToReadInThisPass)</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>protected abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#readField-long-">readField</a></span>(long&nbsp;recordsToRead)</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#readIntLittleEndian-io.netty.buffer.DrillBuf-int-">readIntLittleEndian</a></span>(<a href="../../../../../../../io/netty/buffer/DrillBuf.html" title="class in io.netty.buffer">DrillBuf</a>&nbsp;in,
int&nbsp;offset)</code>
<div class="block">This is copied out of Parquet library, didn't want to deal with the
unnecessary throws statement they had declared</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#readPage--">readPage</a></span>()</code>
<div class="block">Read a page.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#readPageAsync--">readPageAsync</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#readRecords-int-">readRecords</a></span>(int&nbsp;recordsToRead)</code>&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#readRecordsAsync-int-">readRecordsAsync</a></span>(int&nbsp;recordsToRead)</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#readRecordsInBulk-int-">readRecordsInBulk</a></span>(int&nbsp;recordsToReadInThisPass)</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#readValues-long-">readValues</a></span>(long&nbsp;recordsToRead)</code>&nbsp;</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#recordsRequireDecoding--">recordsRequireDecoding</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#reset--">reset</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#totalValuesReadAndReadyToReadInPage--">totalValuesReadAndReadyToReadInPage</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#updatePosition--">updatePosition</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html#updateReadyToReadPosition--">updateReadyToReadPosition</a></span>()</code>&nbsp;</td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
<!-- -->
</a>
<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
<div class="details">
<ul class="blockList">
<li class="blockList">
<!-- ============ FIELD DETAIL =========== -->
<ul class="blockList">
<li class="blockList"><a name="field.detail">
<!-- -->
</a>
<h3>Field Detail</h3>
<a name="DICTIONARY_ENCODINGS">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>DICTIONARY_ENCODINGS</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.parquet.column.Encoding&gt; DICTIONARY_ENCODINGS</pre>
</li>
</ul>
<a name="VALUE_ENCODINGS">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>VALUE_ENCODINGS</h4>
<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;org.apache.parquet.column.Encoding&gt; VALUE_ENCODINGS</pre>
</li>
</ul>
<a name="vectorData">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>vectorData</h4>
<pre>protected&nbsp;<a href="../../../../../../../io/netty/buffer/DrillBuf.html" title="class in io.netty.buffer">DrillBuf</a> vectorData</pre>
</li>
</ul>
</li>
</ul>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.detail">
<!-- -->
</a>
<h3>Constructor Detail</h3>
<a name="ColumnReader-org.apache.drill.exec.store.parquet.columnreaders.ParquetRecordReader-org.apache.parquet.column.ColumnDescriptor-org.apache.parquet.hadoop.metadata.ColumnChunkMetaData-boolean-org.apache.drill.exec.vector.ValueVector-org.apache.parquet.format.SchemaElement-">
<!-- -->
</a><a name="ColumnReader-org.apache.drill.exec.store.parquet.columnreaders.ParquetRecordReader-org.apache.parquet.column.ColumnDescriptor-org.apache.parquet.hadoop.metadata.ColumnChunkMetaData-boolean-V-org.apache.parquet.format.SchemaElement-">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>ColumnReader</h4>
<pre>protected&nbsp;ColumnReader(<a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ParquetRecordReader.html" title="class in org.apache.drill.exec.store.parquet.columnreaders">ParquetRecordReader</a>&nbsp;parentReader,
org.apache.parquet.column.ColumnDescriptor&nbsp;descriptor,
org.apache.parquet.hadoop.metadata.ColumnChunkMetaData&nbsp;columnChunkMetaData,
boolean&nbsp;fixedLength,
<a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html" title="type parameter in ColumnReader">V</a>&nbsp;v,
org.apache.parquet.format.SchemaElement&nbsp;schemaElement)
throws <a href="../../../../../../../org/apache/drill/common/exceptions/ExecutionSetupException.html" title="class in org.apache.drill.common.exceptions">ExecutionSetupException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../../../org/apache/drill/common/exceptions/ExecutionSetupException.html" title="class in org.apache.drill.common.exceptions">ExecutionSetupException</a></code></dd>
</dl>
</li>
</ul>
</li>
</ul>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method.detail">
<!-- -->
</a>
<h3>Method Detail</h3>
<a name="getRecordsReadInCurrentPass--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>getRecordsReadInCurrentPass</h4>
<pre>public&nbsp;int&nbsp;getRecordsReadInCurrentPass()</pre>
</li>
</ul>
<a name="processPagesAsync-long-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>processPagesAsync</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>&gt;&nbsp;processPagesAsync(long&nbsp;recordsToReadInThisPass)</pre>
</li>
</ul>
<a name="processPages-long-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>processPages</h4>
<pre>public&nbsp;void&nbsp;processPages(long&nbsp;recordsToReadInThisPass)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="clear--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>clear</h4>
<pre>public&nbsp;void&nbsp;clear()</pre>
</li>
</ul>
<a name="readValues-long-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>readValues</h4>
<pre>public&nbsp;void&nbsp;readValues(long&nbsp;recordsToRead)</pre>
</li>
</ul>
<a name="readField-long-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>readField</h4>
<pre>protected abstract&nbsp;void&nbsp;readField(long&nbsp;recordsToRead)</pre>
</li>
</ul>
<a name="determineSize-long-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>determineSize</h4>
<pre>public&nbsp;boolean&nbsp;determineSize(long&nbsp;recordsReadInCurrentPass)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Determines the size of a single value in a variable column.
Return value indicates if we have finished a row group and should stop reading</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>recordsReadInCurrentPass</code> - records read in current pass</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if we should stop reading</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="readRecordsAsync-int-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>readRecordsAsync</h4>
<pre>protected&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&nbsp;readRecordsAsync(int&nbsp;recordsToRead)</pre>
</li>
</ul>
<a name="readRecords-int-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>readRecords</h4>
<pre>protected&nbsp;void&nbsp;readRecords(int&nbsp;recordsToRead)</pre>
</li>
</ul>
<a name="readRecordsInBulk-int-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>readRecordsInBulk</h4>
<pre>protected&nbsp;int&nbsp;readRecordsInBulk(int&nbsp;recordsToReadInThisPass)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="recordsRequireDecoding--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>recordsRequireDecoding</h4>
<pre>protected&nbsp;boolean&nbsp;recordsRequireDecoding()</pre>
</li>
</ul>
<a name="processPageData-int-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>processPageData</h4>
<pre>protected&nbsp;boolean&nbsp;processPageData(int&nbsp;recordsToReadInThisPass)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<dl>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="updatePosition--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>updatePosition</h4>
<pre>public&nbsp;void&nbsp;updatePosition()</pre>
</li>
</ul>
<a name="updateReadyToReadPosition--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>updateReadyToReadPosition</h4>
<pre>public&nbsp;void&nbsp;updateReadyToReadPosition()</pre>
</li>
</ul>
<a name="reset--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>reset</h4>
<pre>public&nbsp;void&nbsp;reset()</pre>
</li>
</ul>
<a name="capacity--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>capacity</h4>
<pre>public&nbsp;int&nbsp;capacity()</pre>
</li>
</ul>
<a name="readPageAsync--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>readPageAsync</h4>
<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/Future.html?is-external=true" title="class or interface in java.util.concurrent">Future</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a>&gt;&nbsp;readPageAsync()</pre>
</li>
</ul>
<a name="readPage--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>readPage</h4>
<pre>public&nbsp;boolean&nbsp;readPage()
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block">Read a page. If we need more data, exit the read loop and return true.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if we need more data and page is not read successfully</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="totalValuesReadAndReadyToReadInPage--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>totalValuesReadAndReadyToReadInPage</h4>
<pre>protected&nbsp;int&nbsp;totalValuesReadAndReadyToReadInPage()</pre>
</li>
</ul>
<a name="postPageRead--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>postPageRead</h4>
<pre>protected&nbsp;void&nbsp;postPageRead()</pre>
</li>
</ul>
<a name="hitRowGroupEnd--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>hitRowGroupEnd</h4>
<pre>protected&nbsp;void&nbsp;hitRowGroupEnd()</pre>
</li>
</ul>
<a name="checkVectorCapacityReached--">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>checkVectorCapacityReached</h4>
<pre>protected&nbsp;boolean&nbsp;checkVectorCapacityReached()</pre>
</li>
</ul>
<a name="readIntLittleEndian-io.netty.buffer.DrillBuf-int-">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>readIntLittleEndian</h4>
<pre>public static&nbsp;int&nbsp;readIntLittleEndian(<a href="../../../../../../../io/netty/buffer/DrillBuf.html" title="class in io.netty.buffer">DrillBuf</a>&nbsp;in,
int&nbsp;offset)</pre>
<div class="block">This is copied out of Parquet library, didn't want to deal with the
unnecessary throws statement they had declared</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>in</code> - incoming data</dd>
<dd><code>offset</code> - offset</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>little endian integer</dd>
</dl>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</div>
<!-- ========= END OF CLASS DATA ========= -->
<!-- ======= START OF BOTTOM NAVBAR ====== -->
<div class="bottomNav"><a name="navbar.bottom">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div>
<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/ColumnReader.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 href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/BatchReader.VariableWidthReader.html" title="class in org.apache.drill.exec.store.parquet.columnreaders"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
<li><a href="../../../../../../../org/apache/drill/exec/store/parquet/columnreaders/ColumnReaderFactory.html" title="class in org.apache.drill.exec.store.parquet.columnreaders"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../../../index.html?org/apache/drill/exec/store/parquet/columnreaders/ColumnReader.html" target="_top">Frames</a></li>
<li><a href="ColumnReader.html" target="_top">No&nbsp;Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_bottom">
<li><a href="../../../../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_bottom");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>Summary:&nbsp;</li>
<li>Nested&nbsp;|&nbsp;</li>
<li><a href="#field.summary">Field</a>&nbsp;|&nbsp;</li>
<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method.summary">Method</a></li>
</ul>
<ul class="subNavList">
<li>Detail:&nbsp;</li>
<li><a href="#field.detail">Field</a>&nbsp;|&nbsp;</li>
<li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>
<li><a href="#method.detail">Method</a></li>
</ul>
</div>
<a name="skip.navbar.bottom">
<!-- -->
</a></div>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
<p class="legalCopy"><small>Copyright &#169; 1970 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p>
</body>
</html>