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| <div class="header"> |
| <div class="subTitle">org.apache.drill.exec.planner.index</div> |
| <h2 title="Class IndexDiscoverBase" class="title">Class IndexDiscoverBase</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.planner.index.IndexDiscoverBase</li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><a href="../../../../../../org/apache/drill/exec/planner/index/IndexDiscover.html" title="interface in org.apache.drill.exec.planner.index">IndexDiscover</a></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../../org/apache/drill/exec/planner/index/MapRDBIndexDiscover.html" title="class in org.apache.drill.exec.planner.index">MapRDBIndexDiscover</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public abstract class <span class="typeNameLabel">IndexDiscoverBase</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> |
| implements <a href="../../../../../../org/apache/drill/exec/planner/index/IndexDiscover.html" title="interface in org.apache.drill.exec.planner.index">IndexDiscover</a></pre> |
| <div class="block">IndexDiscoverBase is the layer to read index configurations of tables on storage plugins, |
| then based on the properties it collected, get the StoragePlugin from StoragePluginRegistry, |
| together with indexes information, build an IndexCollection</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
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| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <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"> </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/planner/index/IndexDiscoverBase.html#IndexDiscoverBase-org.apache.drill.exec.physical.base.AbstractDbGroupScan-org.apache.drill.exec.planner.common.DrillScanRelBase-">IndexDiscoverBase</a></span>(<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractDbGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractDbGroupScan</a> inScan, |
| <a href="../../../../../../org/apache/drill/exec/planner/common/DrillScanRelBase.html" title="class in org.apache.drill.exec.planner.common">DrillScanRelBase</a> inScanPrel)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
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| <a href="../../../../../../org/apache/drill/exec/planner/physical/ScanPrel.html" title="class in org.apache.drill.exec.planner.physical">ScanPrel</a> inScanPrel)</code> </td> |
| </tr> |
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| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
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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="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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><a href="../../../../../../org/apache/drill/exec/planner/logical/DrillTable.html" title="class in org.apache.drill.exec.planner.logical">DrillTable</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/index/IndexDiscoverBase.html#buildDrillTable-org.apache.drill.exec.planner.index.IndexDescriptor-">buildDrillTable</a></span>(<a href="../../../../../../org/apache/drill/exec/planner/index/IndexDescriptor.html" title="interface in org.apache.drill.exec.planner.index">IndexDescriptor</a> idxDesc)</code> |
| <div class="block">Abstract function getDrillTable will be implemented the IndexDiscover within storage plugin(e.g.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/planner/logical/DrillTable.html" title="class in org.apache.drill.exec.planner.logical">DrillTable</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/index/IndexDiscoverBase.html#getExternalDrillTable-org.apache.drill.exec.planner.index.IndexDescriptor-">getExternalDrillTable</a></span>(<a href="../../../../../../org/apache/drill/exec/planner/index/IndexDescriptor.html" title="interface in org.apache.drill.exec.planner.index">IndexDescriptor</a> idxDesc)</code> |
| <div class="block">When there is storageName in IndexDescriptor, get a DrillTable instance based on the |
| StorageName and other informaiton in idxDesc that helps identifying the table.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../../../org/apache/drill/exec/planner/logical/DrillTable.html" title="class in org.apache.drill.exec.planner.logical">DrillTable</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/index/IndexDiscoverBase.html#getNativeDrillTable-org.apache.drill.exec.planner.index.IndexDescriptor-">getNativeDrillTable</a></span>(<a href="../../../../../../org/apache/drill/exec/planner/index/IndexDescriptor.html" title="interface in org.apache.drill.exec.planner.index">IndexDescriptor</a> idxDesc)</code> |
| <div class="block">When it is native index(index provided by native storage plugin), |
| the actual IndexDiscover should provide the implementation to get the DrillTable object of index, |
| Otherwise, we call IndexDiscoverable interface exposed from external storage plugin's SchemaFactory |
| to get the desired DrillTable.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/physical/base/AbstractDbGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractDbGroupScan</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/index/IndexDiscoverBase.html#getOriginalScan--">getOriginalScan</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>org.apache.calcite.rel.RelNode</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/index/IndexDiscoverBase.html#getOriginalScanRel--">getOriginalScanRel</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/drill/exec/planner/index/IndexCollection.html" title="interface in org.apache.drill.exec.planner.index">IndexCollection</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/index/IndexDiscoverBase.html#getTableIndex-java.lang.String-java.lang.String-java.util.Collection-">getTableIndex</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> tableName, |
| <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> storageName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../../org/apache/drill/exec/planner/index/DrillIndexDefinition.html" title="class in org.apache.drill.exec.planner.index">DrillIndexDefinition</a>> indexDefs)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/planner/index/IndexDiscoverBase.html#materializeIndex-java.lang.String-org.apache.drill.exec.planner.index.DrillIndexDescriptor-">materializeIndex</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> storageName, |
| <a href="../../../../../../org/apache/drill/exec/planner/index/DrillIndexDescriptor.html" title="class in org.apache.drill.exec.planner.index">DrillIndexDescriptor</a> index)</code> </td> |
| </tr> |
| </table> |
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| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <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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| <li class="blockList"><a name="methods.inherited.from.class.org.apache.drill.exec.planner.index.IndexDiscover"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from interface org.apache.drill.exec.planner.index.<a href="../../../../../../org/apache/drill/exec/planner/index/IndexDiscover.html" title="interface in org.apache.drill.exec.planner.index">IndexDiscover</a></h3> |
| <code><a href="../../../../../../org/apache/drill/exec/planner/index/IndexDiscover.html#getTableIndex-java.lang.String-">getTableIndex</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.detail"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="IndexDiscoverBase-org.apache.drill.exec.physical.base.AbstractDbGroupScan-org.apache.drill.exec.planner.common.DrillScanRelBase-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>IndexDiscoverBase</h4> |
| <pre>public IndexDiscoverBase(<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractDbGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractDbGroupScan</a> inScan, |
| <a href="../../../../../../org/apache/drill/exec/planner/common/DrillScanRelBase.html" title="class in org.apache.drill.exec.planner.common">DrillScanRelBase</a> inScanPrel)</pre> |
| </li> |
| </ul> |
| <a name="IndexDiscoverBase-org.apache.drill.exec.physical.base.AbstractDbGroupScan-org.apache.drill.exec.planner.physical.ScanPrel-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>IndexDiscoverBase</h4> |
| <pre>public IndexDiscoverBase(<a href="../../../../../../org/apache/drill/exec/physical/base/AbstractDbGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractDbGroupScan</a> inScan, |
| <a href="../../../../../../org/apache/drill/exec/planner/physical/ScanPrel.html" title="class in org.apache.drill.exec.planner.physical">ScanPrel</a> inScanPrel)</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a name="getOriginalScan--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getOriginalScan</h4> |
| <pre>public <a href="../../../../../../org/apache/drill/exec/physical/base/AbstractDbGroupScan.html" title="class in org.apache.drill.exec.physical.base">AbstractDbGroupScan</a> getOriginalScan()</pre> |
| </li> |
| </ul> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getOriginalScanRel</h4> |
| <pre>public org.apache.calcite.rel.RelNode getOriginalScanRel()</pre> |
| </li> |
| </ul> |
| <a name="getTableIndex-java.lang.String-java.lang.String-java.util.Collection-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getTableIndex</h4> |
| <pre>public <a href="../../../../../../org/apache/drill/exec/planner/index/IndexCollection.html" title="interface in org.apache.drill.exec.planner.index">IndexCollection</a> getTableIndex(<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> tableName, |
| <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> storageName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../../../org/apache/drill/exec/planner/index/DrillIndexDefinition.html" title="class in org.apache.drill.exec.planner.index">DrillIndexDefinition</a>> indexDefs)</pre> |
| </li> |
| </ul> |
| <a name="materializeIndex-java.lang.String-org.apache.drill.exec.planner.index.DrillIndexDescriptor-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>materializeIndex</h4> |
| <pre>public void materializeIndex(<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> storageName, |
| <a href="../../../../../../org/apache/drill/exec/planner/index/DrillIndexDescriptor.html" title="class in org.apache.drill.exec.planner.index">DrillIndexDescriptor</a> index)</pre> |
| </li> |
| </ul> |
| <a name="getExternalDrillTable-org.apache.drill.exec.planner.index.IndexDescriptor-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getExternalDrillTable</h4> |
| <pre>public <a href="../../../../../../org/apache/drill/exec/planner/logical/DrillTable.html" title="class in org.apache.drill.exec.planner.logical">DrillTable</a> getExternalDrillTable(<a href="../../../../../../org/apache/drill/exec/planner/index/IndexDescriptor.html" title="interface in org.apache.drill.exec.planner.index">IndexDescriptor</a> idxDesc)</pre> |
| <div class="block">When there is storageName in IndexDescriptor, get a DrillTable instance based on the |
| StorageName and other informaiton in idxDesc that helps identifying the table.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>idxDesc</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| </dl> |
| </li> |
| </ul> |
| <a name="buildDrillTable-org.apache.drill.exec.planner.index.IndexDescriptor-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>buildDrillTable</h4> |
| <pre>public <a href="../../../../../../org/apache/drill/exec/planner/logical/DrillTable.html" title="class in org.apache.drill.exec.planner.logical">DrillTable</a> buildDrillTable(<a href="../../../../../../org/apache/drill/exec/planner/index/IndexDescriptor.html" title="interface in org.apache.drill.exec.planner.index">IndexDescriptor</a> idxDesc)</pre> |
| <div class="block">Abstract function getDrillTable will be implemented the IndexDiscover within storage plugin(e.g. HBase, MaprDB) |
| since the implementations of AbstractStoragePlugin, IndexDescriptor and DrillTable in that storage plugin may have |
| the implement details.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>idxDesc</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| </dl> |
| </li> |
| </ul> |
| <a name="getNativeDrillTable-org.apache.drill.exec.planner.index.IndexDescriptor-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>getNativeDrillTable</h4> |
| <pre>public abstract <a href="../../../../../../org/apache/drill/exec/planner/logical/DrillTable.html" title="class in org.apache.drill.exec.planner.logical">DrillTable</a> getNativeDrillTable(<a href="../../../../../../org/apache/drill/exec/planner/index/IndexDescriptor.html" title="interface in org.apache.drill.exec.planner.index">IndexDescriptor</a> idxDesc)</pre> |
| <div class="block">When it is native index(index provided by native storage plugin), |
| the actual IndexDiscover should provide the implementation to get the DrillTable object of index, |
| Otherwise, we call IndexDiscoverable interface exposed from external storage plugin's SchemaFactory |
| to get the desired DrillTable.</div> |
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