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| <h1 title="Package" class="title">Package org.apache.drill.exec.store</h1> |
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| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Interface Summary table, listing interfaces, and an explanation"> |
| <caption><span>Interface Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Interface</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/ColumnExplorer.ImplicitFileColumn.html" title="interface in org.apache.drill.exec.store">ColumnExplorer.ImplicitFileColumn</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/ConnectorLocator.html" title="interface in org.apache.drill.exec.store">ConnectorLocator</a></td> |
| <td class="colLast"> |
| <div class="block">Locates storage plugins.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/PartitionExplorer.html" title="interface in org.apache.drill.exec.store">PartitionExplorer</a></td> |
| <td class="colLast"> |
| <div class="block">Exposes partition information to UDFs to allow queries to limit reading |
| partitions dynamically.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/PluginBootstrapLoader.html" title="interface in org.apache.drill.exec.store">PluginBootstrapLoader</a></td> |
| <td class="colLast"> |
| <div class="block">Generalized interface for bootstraping or upgrading the plugin persistent |
| store.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/PluginRegistryContext.html" title="interface in org.apache.drill.exec.store">PluginRegistryContext</a></td> |
| <td class="colLast"> |
| <div class="block">Provides a loose coupling of the plugin registry to the resources it needs |
| from elsewhere.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/PluginRulesProvider.html" title="interface in org.apache.drill.exec.store">PluginRulesProvider</a></td> |
| <td class="colLast"> |
| <div class="block">Provides rules required for adding support of specific operator pushdown for storage plugin.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/RecordReader.html" title="interface in org.apache.drill.exec.store">RecordReader</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/RecordWriter.html" title="interface in org.apache.drill.exec.store">RecordWriter</a></td> |
| <td class="colLast"> |
| <div class="block">RecordWriter interface.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/SchemaConfig.SchemaConfigInfoProvider.html" title="interface in org.apache.drill.exec.store">SchemaConfig.SchemaConfigInfoProvider</a></td> |
| <td class="colLast"> |
| <div class="block">Interface to implement to provide required info for <a href="../../../../../org/apache/drill/exec/store/SchemaConfig.html" title="class in org.apache.drill.exec.store"><code>SchemaConfig</code></a></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/SchemaFactory.html" title="interface in org.apache.drill.exec.store">SchemaFactory</a></td> |
| <td class="colLast"> |
| <div class="block">Storage plugins implements this interface to register the schemas they provide.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/SchemaPartitionExplorer.html" title="interface in org.apache.drill.exec.store">SchemaPartitionExplorer</a></td> |
| <td class="colLast"> |
| <div class="block">Exposes partition information for a particular schema.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/StatisticsRecordCollector.html" title="interface in org.apache.drill.exec.store">StatisticsRecordCollector</a></td> |
| <td class="colLast"> |
| <div class="block">Interface for collecting and obtaining statistics.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/StatisticsRecordWriter.html" title="interface in org.apache.drill.exec.store">StatisticsRecordWriter</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/StoragePlugin.html" title="interface in org.apache.drill.exec.store">StoragePlugin</a></td> |
| <td class="colLast"> |
| <div class="block">Interface for all implementations of the storage plugins.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/StoragePluginRegistry.html" title="interface in org.apache.drill.exec.store">StoragePluginRegistry</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/StoragePluginStore.html" title="interface in org.apache.drill.exec.store">StoragePluginStore</a></td> |
| <td class="colLast"> |
| <div class="block">Interface to the storage mechanism used to store storage plugin |
| configurations, typically in JSON format.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation"> |
| <caption><span>Class Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/AbstractRecordReader.html" title="class in org.apache.drill.exec.store">AbstractRecordReader</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/AbstractRecordWriter.html" title="class in org.apache.drill.exec.store">AbstractRecordWriter</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/AbstractSchema.html" title="class in org.apache.drill.exec.store">AbstractSchema</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/AbstractSchemaFactory.html" title="class in org.apache.drill.exec.store">AbstractSchemaFactory</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract implementation of <a href="../../../../../org/apache/drill/exec/store/SchemaFactory.html" title="interface in org.apache.drill.exec.store"><code>SchemaFactory</code></a>, ensures that given schema |
| name is always converted is lower case.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/AbstractStoragePlugin.html" title="class in org.apache.drill.exec.store">AbstractStoragePlugin</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract class for StorePlugin implementations.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/ClassicConnectorLocator.html" title="class in org.apache.drill.exec.store">ClassicConnectorLocator</a></td> |
| <td class="colLast"> |
| <div class="block">Plugin locator for the "classic" class-path method of locating connectors.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/ClassPathFileSystem.html" title="class in org.apache.drill.exec.store">ClassPathFileSystem</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/ColumnExplorer.html" title="class in org.apache.drill.exec.store">ColumnExplorer</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/CommonParquetRecordReader.html" title="class in org.apache.drill.exec.store">CommonParquetRecordReader</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/ConnectorHandle.html" title="class in org.apache.drill.exec.store">ConnectorHandle</a></td> |
| <td class="colLast"> |
| <div class="block">Defines a storage connector: a storage plugin config along with the |
| locator which can create a plugin instance given an instance of the |
| config.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/DrillbitPluginRegistryContext.html" title="class in org.apache.drill.exec.store">DrillbitPluginRegistryContext</a></td> |
| <td class="colLast"> |
| <div class="block">Implementation of the storage registry context which obtains the |
| needed resources from the <code>DrillbitContext</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/DrillSchemaFactory.html" title="class in org.apache.drill.exec.store">DrillSchemaFactory</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/EventBasedRecordWriter.html" title="class in org.apache.drill.exec.store">EventBasedRecordWriter</a></td> |
| <td class="colLast"> |
| <div class="block">Reads records from the RecordValueAccessor and writes into RecordWriter.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/EventBasedRecordWriter.FieldConverter.html" title="class in org.apache.drill.exec.store">EventBasedRecordWriter.FieldConverter</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/ImplicitColumnUtils.html" title="class in org.apache.drill.exec.store">ImplicitColumnUtils</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/ImplicitColumnUtils.ImplicitColumn.html" title="class in org.apache.drill.exec.store">ImplicitColumnUtils.ImplicitColumn</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/ImplicitColumnUtils.ImplicitColumns.html" title="class in org.apache.drill.exec.store">ImplicitColumnUtils.ImplicitColumns</a></td> |
| <td class="colLast"> |
| <div class="block">This class represents an implicit column in a dataset.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/JSONBaseStatisticsRecordWriter.html" title="class in org.apache.drill.exec.store">JSONBaseStatisticsRecordWriter</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract implementation of StatisticsRecordWriter interface which exposes interface: |
| <code>#writeHeader(List)</code> |
| <code>#addField(int,String)</code> |
| to output the data in string format instead of implementing addField for each type holder.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/JSONOutputRecordWriter.html" title="class in org.apache.drill.exec.store">JSONOutputRecordWriter</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract implementation of RecordWriter interface which exposes interface: |
| <code>#writeHeader(List)</code> |
| <code>#addField(int,String)</code> |
| to output the data in string format instead of implementing addField for each type holder.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/LocalSyncableFileSystem.html" title="class in org.apache.drill.exec.store">LocalSyncableFileSystem</a></td> |
| <td class="colLast"> |
| <div class="block">A syncable local extension of the Hadoop FileSystem</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/ParquetOutputRecordWriter.html" title="class in org.apache.drill.exec.store">ParquetOutputRecordWriter</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract implementation of RecordWriter interface which exposes interface: |
| <code>#writeHeader(List)</code> |
| <code>#addField(int,String)</code> |
| to output the data in string format instead of implementing addField for each type holder.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/PartitionExplorerImpl.html" title="class in org.apache.drill.exec.store">PartitionExplorerImpl</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/PluginBootstrapLoaderImpl.html" title="class in org.apache.drill.exec.store">PluginBootstrapLoaderImpl</a></td> |
| <td class="colLast"> |
| <div class="block">Loads the set of bootstrap plugin configurations for new systems.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/PluginHandle.html" title="class in org.apache.drill.exec.store">PluginHandle</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a storage plugin, defined by a (name, config) pair.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/PluginRulesProviderImpl.html" title="class in org.apache.drill.exec.store">PluginRulesProviderImpl</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/RecordDataType.html" title="class in org.apache.drill.exec.store">RecordDataType</a></td> |
| <td class="colLast"> |
| <div class="block">Defines names and data types of columns in a static drill table.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/ResourceInputStream.html" title="class in org.apache.drill.exec.store">ResourceInputStream</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/SchemaConfig.html" title="class in org.apache.drill.exec.store">SchemaConfig</a></td> |
| <td class="colLast"> |
| <div class="block">Contains information needed by |
| <a href="../../../../../org/apache/drill/exec/store/AbstractSchema.html" title="class in org.apache.drill.exec.store"><code>AbstractSchema</code></a> implementations.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/SchemaConfig.Builder.html" title="class in org.apache.drill.exec.store">SchemaConfig.Builder</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/SchemaTreeProvider.html" title="class in org.apache.drill.exec.store">SchemaTreeProvider</a></td> |
| <td class="colLast"> |
| <div class="block">Creates new schema trees.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/StatisticsRecordWriterImpl.html" title="class in org.apache.drill.exec.store">StatisticsRecordWriterImpl</a></td> |
| <td class="colLast"> |
| <div class="block">Reads records from the RecordValueAccessor and writes into StatisticsRecordCollector.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/StoragePluginOptimizerRule.html" title="class in org.apache.drill.exec.store">StoragePluginOptimizerRule</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/StoragePluginRegistryImpl.html" title="class in org.apache.drill.exec.store">StoragePluginRegistryImpl</a></td> |
| <td class="colLast"> |
| <div class="block">Plugin registry.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/StoragePluginRulesSupplier.html" title="class in org.apache.drill.exec.store">StoragePluginRulesSupplier</a></td> |
| <td class="colLast"> |
| <div class="block">Helper class that can be used to obtain rules required for pushing down operators |
| that specific plugin supports configured using <a href="../../../../../org/apache/drill/exec/store/StoragePluginRulesSupplier.StoragePluginRulesSupplierBuilder.html" title="class in org.apache.drill.exec.store"><code>StoragePluginRulesSupplier.StoragePluginRulesSupplierBuilder</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/StoragePluginRulesSupplier.StoragePluginRulesSupplierBuilder.html" title="class in org.apache.drill.exec.store">StoragePluginRulesSupplier.StoragePluginRulesSupplierBuilder</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/StoragePluginStoreImpl.html" title="class in org.apache.drill.exec.store">StoragePluginStoreImpl</a></td> |
| <td class="colLast"> |
| <div class="block">Concrete storage plugin (configuration) store based on the |
| <a href="../../../../../org/apache/drill/exec/store/sys/PersistentStore.html" title="interface in org.apache.drill.exec.store.sys"><code>PersistentStore</code></a> abstraction.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/StorageStrategy.html" title="class in org.apache.drill.exec.store">StorageStrategy</a></td> |
| <td class="colLast"> |
| <div class="block">Contains list of parameters that will be used to store path / files on file system.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/StringOutputRecordWriter.html" title="class in org.apache.drill.exec.store">StringOutputRecordWriter</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract implementation of RecordWriter interface which exposes interface: |
| <a href="../../../../../org/apache/drill/exec/store/StringOutputRecordWriter.html#startNewSchema-org.apache.drill.exec.record.BatchSchema-"><code>StringOutputRecordWriter.startNewSchema(BatchSchema)</code></a> |
| <a href="../../../../../org/apache/drill/exec/store/StringOutputRecordWriter.html#addField-int-java.lang.String-"><code>StringOutputRecordWriter.addField(int,String)</code></a> |
| to output the data in string format instead of implementing addField for each type holder.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/SubSchemaWrapper.html" title="class in org.apache.drill.exec.store">SubSchemaWrapper</a></td> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/SubsetRemover.html" title="class in org.apache.drill.exec.store">SubsetRemover</a></td> |
| <td class="colLast"> |
| <div class="block">Removes <code>RelSubset</code> nodes from the plan.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/SystemPluginLocator.html" title="class in org.apache.drill.exec.store">SystemPluginLocator</a></td> |
| <td class="colLast"> |
| <div class="block">Locates system storage plugins.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/drill/exec/store/TimedCallable.html" title="class in org.apache.drill.exec.store">TimedCallable</a><V></td> |
| <td class="colLast"> |
| <div class="block">Allows parallel executions of tasks in a simplified way.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
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