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| <li>Summary: </li> |
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| <div class="subTitle">org.apache.drill.exec.store.log</div> |
| <h2 title="Class LogFormatPlugin" class="title">Class LogFormatPlugin</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><a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html" title="class in org.apache.drill.exec.store.dfs.easy">org.apache.drill.exec.store.dfs.easy.EasyFormatPlugin</a><<a href="../../../../../../org/apache/drill/exec/store/log/LogFormatConfig.html" title="class in org.apache.drill.exec.store.log">LogFormatConfig</a>></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.drill.exec.store.log.LogFormatPlugin</li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
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| <div class="description"> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../../org/apache/drill/exec/store/dfs/FormatPlugin.html" title="interface in org.apache.drill.exec.store.dfs">FormatPlugin</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">LogFormatPlugin</span> |
| extends <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html" title="class in org.apache.drill.exec.store.dfs.easy">EasyFormatPlugin</a><<a href="../../../../../../org/apache/drill/exec/store/log/LogFormatConfig.html" title="class in org.apache.drill.exec.store.log">LogFormatConfig</a>></pre> |
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| <li class="blockList"><a name="nested.classes.inherited.from.class.org.apache.drill.exec.store.dfs.easy.EasyFormatPlugin"> |
| <!-- --> |
| </a> |
| <h3>Nested classes/interfaces inherited from class org.apache.drill.exec.store.dfs.easy.<a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html" title="class in org.apache.drill.exec.store.dfs.easy">EasyFormatPlugin</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.EasyFormatConfig.html" title="class in org.apache.drill.exec.store.dfs.easy">EasyFormatPlugin.EasyFormatConfig</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.EasyFormatConfigBuilder.html" title="class in org.apache.drill.exec.store.dfs.easy">EasyFormatPlugin.EasyFormatConfigBuilder</a></code></li> |
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| <!-- =========== FIELD SUMMARY =========== --> |
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| <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"> </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/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/log/LogFormatPlugin.html#MAX_ERRORS_PROP">MAX_ERRORS_PROP</a></span></code> </td> |
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| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/log/LogFormatPlugin.html#OPERATOR_TYPE">OPERATOR_TYPE</a></span></code> </td> |
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| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/log/LogFormatPlugin.html#PLUGIN_NAME">PLUGIN_NAME</a></span></code> </td> |
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| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/log/LogFormatPlugin.html#PROP_PREFIX">PROP_PREFIX</a></span></code> </td> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/log/LogFormatPlugin.html#REGEX_PROP">REGEX_PROP</a></span></code> </td> |
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| </a> |
| <h3>Fields inherited from class org.apache.drill.exec.store.dfs.easy.<a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html" title="class in org.apache.drill.exec.store.dfs.easy">EasyFormatPlugin</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#formatConfig">formatConfig</a></code></li> |
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| </li> |
| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <h3>Constructor Summary</h3> |
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| <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><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/log/LogFormatPlugin.html#LogFormatPlugin-java.lang.String-org.apache.drill.exec.server.DrillbitContext-org.apache.hadoop.conf.Configuration-org.apache.drill.common.logical.StoragePluginConfig-org.apache.drill.exec.store.log.LogFormatConfig-">LogFormatPlugin</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name, |
| <a href="../../../../../../org/apache/drill/exec/server/DrillbitContext.html" title="class in org.apache.drill.exec.server">DrillbitContext</a> context, |
| org.apache.hadoop.conf.Configuration fsConf, |
| <a href="../../../../../../org/apache/drill/common/logical/StoragePluginConfig.html" title="class in org.apache.drill.common.logical">StoragePluginConfig</a> storageConfig, |
| <a href="../../../../../../org/apache/drill/exec/store/log/LogFormatConfig.html" title="class in org.apache.drill.exec.store.log">LogFormatConfig</a> formatConfig)</code> </td> |
| </tr> |
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| </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"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </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>protected <a href="../../../../../../org/apache/drill/exec/physical/impl/scan/file/FileScanFramework.FileScanBuilder.html" title="class in org.apache.drill.exec.physical.impl.scan.file">FileScanFramework.FileScanBuilder</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/log/LogFormatPlugin.html#frameworkBuilder-org.apache.drill.exec.server.options.OptionManager-org.apache.drill.exec.store.dfs.easy.EasySubScan-">frameworkBuilder</a></span>(<a href="../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a> options, |
| <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasySubScan.html" title="class in org.apache.drill.exec.store.dfs.easy">EasySubScan</a> scan)</code> |
| <div class="block">Build a file scan framework for this plugin.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/store/log/LogFormatPlugin.html#maxErrors-org.apache.drill.exec.record.metadata.TupleMetadata-">maxErrors</a></span>(<a href="../../../../../../org/apache/drill/exec/record/metadata/TupleMetadata.html" title="interface in org.apache.drill.exec.record.metadata">TupleMetadata</a> providedSchema)</code> </td> |
| </tr> |
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| <li class="blockList"><a name="methods.inherited.from.class.org.apache.drill.exec.store.dfs.easy.EasyFormatPlugin"> |
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| </a> |
| <h3>Methods inherited from class org.apache.drill.exec.store.dfs.easy.<a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html" title="class in org.apache.drill.exec.store.dfs.easy">EasyFormatPlugin</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#easyConfig--">easyConfig</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getConfig--">getConfig</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getContext--">getContext</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getFsConf--">getFsConf</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getGroupScan-java.lang.String-org.apache.drill.exec.store.dfs.FileSelection-java.util.List-">getGroupScan</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getGroupScan-java.lang.String-org.apache.drill.exec.store.dfs.FileSelection-java.util.List-org.apache.drill.exec.metastore.MetadataProviderManager-">getGroupScan</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getMatcher--">getMatcher</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getName--">getName</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getOptimizerRules--">getOptimizerRules</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getReaderBatch-org.apache.drill.exec.ops.FragmentContext-org.apache.drill.exec.store.dfs.easy.EasySubScan-">getReaderBatch</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getReaderOperatorType--">getReaderOperatorType</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getRecordReader-org.apache.drill.exec.ops.FragmentContext-org.apache.drill.exec.store.dfs.DrillFileSystem-org.apache.drill.exec.store.dfs.easy.FileWork-java.util.List-java.lang.String-">getRecordReader</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getRecordWriter-org.apache.drill.exec.ops.FragmentContext-org.apache.drill.exec.store.dfs.easy.EasyWriter-">getRecordWriter</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getScanStats-org.apache.drill.exec.planner.physical.PlannerSettings-org.apache.drill.exec.store.dfs.easy.EasyGroupScan-">getScanStats</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getStatisticsRecordWriter-org.apache.drill.exec.ops.FragmentContext-org.apache.drill.exec.store.dfs.easy.EasyWriter-">getStatisticsRecordWriter</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getStorageConfig--">getStorageConfig</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getWriter-org.apache.drill.exec.physical.base.PhysicalOperator-java.lang.String-java.util.List-">getWriter</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getWriterBatch-org.apache.drill.exec.ops.FragmentContext-org.apache.drill.exec.record.RecordBatch-org.apache.drill.exec.store.dfs.easy.EasyWriter-">getWriterBatch</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#getWriterOperatorType--">getWriterOperatorType</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#initScanBuilder-org.apache.drill.exec.physical.impl.scan.file.FileScanFramework.FileScanBuilder-org.apache.drill.exec.store.dfs.easy.EasySubScan-">initScanBuilder</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#isBlockSplittable--">isBlockSplittable</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#isCompressible--">isCompressible</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#isStatisticsRecordWriter-org.apache.drill.exec.ops.FragmentContext-org.apache.drill.exec.store.dfs.easy.EasyWriter-">isStatisticsRecordWriter</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#newBatchReader-org.apache.drill.exec.store.dfs.easy.EasySubScan-org.apache.drill.exec.server.options.OptionManager-">newBatchReader</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#readStatistics-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">readStatistics</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#supportsAutoPartitioning--">supportsAutoPartitioning</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#supportsFileImplicitColumns--">supportsFileImplicitColumns</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#supportsLimitPushdown--">supportsLimitPushdown</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#supportsPushDown--">supportsPushDown</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#supportsRead--">supportsRead</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#supportsStatistics--">supportsStatistics</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#supportsWrite--">supportsWrite</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#useEnhancedScan--">useEnhancedScan</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#writeStatistics-org.apache.drill.exec.planner.common.DrillStatsTable.TableStatistics-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-">writeStatistics</a></code></li> |
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| <h3>Methods inherited from class 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> |
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| <h3>Methods inherited from interface org.apache.drill.exec.store.dfs.<a href="../../../../../../org/apache/drill/exec/store/dfs/FormatPlugin.html" title="interface in org.apache.drill.exec.store.dfs">FormatPlugin</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/store/dfs/FormatPlugin.html#getGroupScan-java.lang.String-org.apache.drill.exec.store.dfs.FileSelection-java.util.List-org.apache.drill.exec.server.options.OptionManager-">getGroupScan</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/FormatPlugin.html#getGroupScan-java.lang.String-org.apache.drill.exec.store.dfs.FileSelection-java.util.List-org.apache.drill.exec.server.options.OptionManager-org.apache.drill.exec.metastore.MetadataProviderManager-">getGroupScan</a>, <a href="../../../../../../org/apache/drill/exec/store/dfs/FormatPlugin.html#getOptimizerRules-org.apache.drill.exec.planner.PlannerPhase-">getOptimizerRules</a></code></li> |
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| <h3>Field Detail</h3> |
| <a name="PLUGIN_NAME"> |
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| <h4>PLUGIN_NAME</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> PLUGIN_NAME</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.drill.exec.store.log.LogFormatPlugin.PLUGIN_NAME">Constant Field Values</a></dd> |
| </dl> |
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| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> PROP_PREFIX</pre> |
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| <h4>REGEX_PROP</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> REGEX_PROP</pre> |
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| <h4>MAX_ERRORS_PROP</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> MAX_ERRORS_PROP</pre> |
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| <h4>OPERATOR_TYPE</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> OPERATOR_TYPE</pre> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../constant-values.html#org.apache.drill.exec.store.log.LogFormatPlugin.OPERATOR_TYPE">Constant Field Values</a></dd> |
| </dl> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="LogFormatPlugin-java.lang.String-org.apache.drill.exec.server.DrillbitContext-org.apache.hadoop.conf.Configuration-org.apache.drill.common.logical.StoragePluginConfig-org.apache.drill.exec.store.log.LogFormatConfig-"> |
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| <h4>LogFormatPlugin</h4> |
| <pre>public LogFormatPlugin(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name, |
| <a href="../../../../../../org/apache/drill/exec/server/DrillbitContext.html" title="class in org.apache.drill.exec.server">DrillbitContext</a> context, |
| org.apache.hadoop.conf.Configuration fsConf, |
| <a href="../../../../../../org/apache/drill/common/logical/StoragePluginConfig.html" title="class in org.apache.drill.common.logical">StoragePluginConfig</a> storageConfig, |
| <a href="../../../../../../org/apache/drill/exec/store/log/LogFormatConfig.html" title="class in org.apache.drill.exec.store.log">LogFormatConfig</a> formatConfig)</pre> |
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| <h3>Method Detail</h3> |
| <a name="frameworkBuilder-org.apache.drill.exec.server.options.OptionManager-org.apache.drill.exec.store.dfs.easy.EasySubScan-"> |
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| <h4>frameworkBuilder</h4> |
| <pre>protected <a href="../../../../../../org/apache/drill/exec/physical/impl/scan/file/FileScanFramework.FileScanBuilder.html" title="class in org.apache.drill.exec.physical.impl.scan.file">FileScanFramework.FileScanBuilder</a> frameworkBuilder(<a href="../../../../../../org/apache/drill/exec/server/options/OptionManager.html" title="interface in org.apache.drill.exec.server.options">OptionManager</a> options, |
| <a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasySubScan.html" title="class in org.apache.drill.exec.store.dfs.easy">EasySubScan</a> scan) |
| throws <a href="../../../../../../org/apache/drill/common/exceptions/ExecutionSetupException.html" title="class in org.apache.drill.common.exceptions">ExecutionSetupException</a></pre> |
| <div class="block">Build a file scan framework for this plugin. |
| <p> |
| This plugin was created before the concept of "provided schema" was |
| available. This plugin does, however, support a provided schema and |
| table properties. The code here handles the various cases. |
| <p> |
| For the regex and max errors: |
| <ul> |
| <li>Use the table property, if a schema is provided and the table |
| property is set.</li> |
| <li>Else, use the format config property.</li> |
| </ul> |
| <p> |
| For columns: |
| <ul> |
| <li>If no schema is provided (or the schema contains only table |
| properties with no columns), use the column names and types from |
| the plugin config.</li> |
| <li>If a schema is provided, and the plugin defines columns, use |
| the column types from the provided schema. Columns are matched by |
| name. Provided schema type override any types specified in the |
| plugin.</li> |
| <li>If a schema is provided, and the plugin config defines no |
| columns, use the column names and types from the provided schema. |
| The columns are assumed to appear in the same order as regex |
| fields.</li> |
| <li>If the regex has more groups than either schema has columns, |
| fill the extras with field_n of type VARCHAR.</li> |
| </ul> |
| <p> |
| Typical use cases: |
| <ul> |
| <li>Minimum config: only a regex in either plugin config or table |
| properties.</li> |
| <li>Plugin config defines regex, field names and types. (The |
| typical approach in Drill 1.16 and before.</li> |
| <li>Plugin config defines the regex and field names. The provided |
| schema defines types. (Separates physical and logical table |
| definitions.</li> |
| <li>Provided schema defines the regex and columns. May simplify |
| configuration as all table information is in one place. Allows |
| different regex patterns for different tables of the same file |
| suffix.</li> |
| </ul></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html#frameworkBuilder-org.apache.drill.exec.server.options.OptionManager-org.apache.drill.exec.store.dfs.easy.EasySubScan-">frameworkBuilder</a></code> in class <code><a href="../../../../../../org/apache/drill/exec/store/dfs/easy/EasyFormatPlugin.html" title="class in org.apache.drill.exec.store.dfs.easy">EasyFormatPlugin</a><<a href="../../../../../../org/apache/drill/exec/store/log/LogFormatConfig.html" title="class in org.apache.drill.exec.store.log">LogFormatConfig</a>></code></dd> |
| <dd><code>scan</code> - the physical operation definition for the scan operation. Contains |
| one or more files to read. (The Easy format plugin works only for files.)</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the scan framework which orchestrates the scan operation across |
| potentially many files</dd> |
| <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> - for all setup failures</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="maxErrors-org.apache.drill.exec.record.metadata.TupleMetadata-"> |
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| <h4>maxErrors</h4> |
| <pre>public int maxErrors(<a href="../../../../../../org/apache/drill/exec/record/metadata/TupleMetadata.html" title="interface in org.apache.drill.exec.record.metadata">TupleMetadata</a> providedSchema)</pre> |
| </li> |
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