| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <!-- NewPage --> |
| <html lang="zh"> |
| <head> |
| <!-- Generated by javadoc --> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>RelOptTable (Apache Calcite calcite 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="RelOptTable (Apache Calcite calcite API)"; |
| } |
| } |
| catch(err) { |
| } |
| //--> |
| var methods = {"i0":6,"i1":6,"i2":6,"i3":6,"i4":6,"i5":6,"i6":6,"i7":6,"i8":6,"i9":6,"i10":6,"i11":6,"i12":6}; |
| var tabs = {65535:["t0","所有方法"],2:["t2","实例方法"],4:["t3","抽象方法"]}; |
| var altColor = "altColor"; |
| var rowColor = "rowColor"; |
| var tableTab = "tableTab"; |
| var activeTableTab = "activeTableTab"; |
| </script> |
| <noscript> |
| <div>您的浏览器已禁用 JavaScript。</div> |
| </noscript> |
| <!-- ========= START OF TOP NAVBAR ======= --> |
| <div class="topNav"><a name="navbar.top"> |
| <!-- --> |
| </a> |
| <div class="skipNav"><a href="#skip.navbar.top" title="跳过导航链接">跳过导航链接</a></div> |
| <a name="navbar.top.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="导航"> |
| <li><a href="../../../../overview-summary.html">概览</a></li> |
| <li><a href="package-summary.html">程序包</a></li> |
| <li class="navBarCell1Rev">类</li> |
| <li><a href="package-tree.html">树</a></li> |
| <li><a href="../../../../deprecated-list.html">已过时</a></li> |
| <li><a href="../../../../index-all.html">索引</a></li> |
| <li><a href="../../../../help-doc.html">帮助</a></li> |
| </ul> |
| <div class="aboutLanguage"><b>Apache Calcite</b></div> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../org/apache/calcite/plan/RelOptSchemaWithSampling.html" title="org.apache.calcite.plan中的接口"><span class="typeNameLink">上一个类</span></a></li> |
| <li><a href="../../../../org/apache/calcite/plan/RelOptTable.ToRelContext.html" title="org.apache.calcite.plan中的接口"><span class="typeNameLink">下一个类</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../index.html?org/apache/calcite/plan/RelOptTable.html" target="_top">框架</a></li> |
| <li><a href="RelOptTable.html" target="_top">无框架</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_top"> |
| <li><a href="../../../../allclasses-noframe.html">所有类</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>概要: </li> |
| <li><a href="#nested.class.summary">嵌套</a> | </li> |
| <li>字段 | </li> |
| <li>构造器 | </li> |
| <li><a href="#method.summary">方法</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>详细资料: </li> |
| <li>字段 | </li> |
| <li>构造器 | </li> |
| <li><a href="#method.detail">方法</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.calcite.plan</div> |
| <h2 title="接口 RelOptTable" class="title">接口 RelOptTable</h2> |
| </div> |
| <div class="contentContainer"> |
| <div class="description"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <dl> |
| <dt>所有超级接口:</dt> |
| <dd><a href="../../../../org/apache/calcite/schema/Wrapper.html" title="org.apache.calcite.schema中的接口">Wrapper</a></dd> |
| </dl> |
| <dl> |
| <dt>所有已知子接口:</dt> |
| <dd><a href="../../../../org/apache/calcite/prepare/Prepare.PreparingTable.html" title="org.apache.calcite.prepare中的接口">Prepare.PreparingTable</a></dd> |
| </dl> |
| <dl> |
| <dt>所有已知实现类:</dt> |
| <dd><a href="../../../../org/apache/calcite/prepare/Prepare.AbstractPreparingTable.html" title="org.apache.calcite.prepare中的类">Prepare.AbstractPreparingTable</a>, <a href="../../../../org/apache/calcite/plan/RelOptAbstractTable.html" title="org.apache.calcite.plan中的类">RelOptAbstractTable</a>, <a href="../../../../org/apache/calcite/prepare/RelOptTableImpl.html" title="org.apache.calcite.prepare中的类">RelOptTableImpl</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public interface <span class="typeNameLabel">RelOptTable</span> |
| extends <a href="../../../../org/apache/calcite/schema/Wrapper.html" title="org.apache.calcite.schema中的接口">Wrapper</a></pre> |
| <div class="block">Represents a relational dataset in a <a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="org.apache.calcite.plan中的接口"><code>RelOptSchema</code></a>. It has methods to |
| describe and implement itself.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="nested.class.summary"> |
| <!-- --> |
| </a> |
| <h3>嵌套类概要</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="嵌套类概要表, 列表嵌套类和解释"> |
| <caption><span>嵌套类</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">限定符和类型</th> |
| <th class="colLast" scope="col">接口和说明</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.ToRelContext.html" title="org.apache.calcite.plan中的接口">RelOptTable.ToRelContext</a></span></code> |
| <div class="block">Contains the context needed to convert a a table into a relational |
| expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static interface </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.ViewExpander.html" title="org.apache.calcite.plan中的接口">RelOptTable.ViewExpander</a></span></code> |
| <div class="block">Can expand a view into relational expressions.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <h3>方法概要</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="方法概要表, 列表方法和解释"> |
| <caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">限定符和类型</th> |
| <th class="colLast" scope="col">方法和说明</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelOptTable.html" title="org.apache.calcite.plan中的接口">RelOptTable</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.html#extend-java.util.List-">extend</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/type/RelDataTypeField.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeField</a>> extendedFields)</code> |
| <div class="block">Returns a table with the given extra fields.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.html#getCollationList--">getCollationList</a></span>()</code> |
| <div class="block">Returns a description of the physical ordering (or orderings) of the rows |
| returned from this table.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/schema/ColumnStrategy.html" title="org.apache.calcite.schema中的枚举">ColumnStrategy</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.html#getColumnStrategies--">getColumnStrategies</a></span>()</code> |
| <div class="block">Returns a list describing how each column is populated.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/rel/RelDistribution.html" title="org.apache.calcite.rel中的接口">RelDistribution</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.html#getDistribution--">getDistribution</a></span>()</code> |
| <div class="block">Returns a description of the physical distribution of the rows |
| in this table.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/linq4j/tree/Expression.html" title="org.apache.calcite.linq4j.tree中的类">Expression</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.html#getExpression-java.lang.Class-">getExpression</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="java.lang中的类或接口">Class</a> clazz)</code> |
| <div class="block">Generates code for this table.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/util/ImmutableBitSet.html" title="org.apache.calcite.util中的类">ImmutableBitSet</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.html#getKeys--">getKeys</a></span>()</code> |
| <div class="block">Returns a list of unique keys, empty list if no key exist, |
| the result should be consistent with <code>isKey</code></div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.html#getQualifiedName--">getQualifiedName</a></span>()</code> |
| <div class="block">Obtains an identifier for this table.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/RelReferentialConstraint.html" title="org.apache.calcite.rel中的接口">RelReferentialConstraint</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.html#getReferentialConstraints--">getReferentialConstraints</a></span>()</code> |
| <div class="block">Returns the referential constraints existing for this table.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="org.apache.calcite.plan中的接口">RelOptSchema</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.html#getRelOptSchema--">getRelOptSchema</a></span>()</code> |
| <div class="block">Returns the <a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="org.apache.calcite.plan中的接口"><code>RelOptSchema</code></a> this table belongs to.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.html#getRowCount--">getRowCount</a></span>()</code> |
| <div class="block">Returns an estimate of the number of rows in the table.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.html#getRowType--">getRowType</a></span>()</code> |
| <div class="block">Describes the type of rows returned by this table.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.html#isKey-org.apache.calcite.util.ImmutableBitSet-">isKey</a></span>(<a href="../../../../org/apache/calcite/util/ImmutableBitSet.html" title="org.apache.calcite.util中的类">ImmutableBitSet</a> columns)</code> |
| <div class="block">Returns whether the given columns are a key or a superset of a unique key |
| of this table.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/plan/RelOptTable.html#toRel-org.apache.calcite.plan.RelOptTable.ToRelContext-">toRel</a></span>(<a href="../../../../org/apache/calcite/plan/RelOptTable.ToRelContext.html" title="org.apache.calcite.plan中的接口">RelOptTable.ToRelContext</a> context)</code> |
| <div class="block">Converts this table into a <a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口"><code>relational expression</code></a>.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.org.apache.calcite.schema.Wrapper"> |
| <!-- --> |
| </a> |
| <h3>从接口继承的方法 org.apache.calcite.schema.<a href="../../../../org/apache/calcite/schema/Wrapper.html" title="org.apache.calcite.schema中的接口">Wrapper</a></h3> |
| <code><a href="../../../../org/apache/calcite/schema/Wrapper.html#unwrap-java.lang.Class-">unwrap</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>方法详细资料</h3> |
| <a name="getQualifiedName--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getQualifiedName</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>> getQualifiedName()</pre> |
| <div class="block">Obtains an identifier for this table. The identifier must be unique with |
| respect to the Connection producing this table.</div> |
| <dl> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>qualified name</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getRowCount--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getRowCount</h4> |
| <pre>double getRowCount()</pre> |
| <div class="block">Returns an estimate of the number of rows in the table.</div> |
| </li> |
| </ul> |
| <a name="getRowType--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getRowType</h4> |
| <pre><a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a> getRowType()</pre> |
| <div class="block">Describes the type of rows returned by this table.</div> |
| </li> |
| </ul> |
| <a name="getRelOptSchema--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getRelOptSchema</h4> |
| <pre><a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="org.apache.calcite.plan中的接口">RelOptSchema</a> getRelOptSchema()</pre> |
| <div class="block">Returns the <a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="org.apache.calcite.plan中的接口"><code>RelOptSchema</code></a> this table belongs to.</div> |
| </li> |
| </ul> |
| <a name="toRel-org.apache.calcite.plan.RelOptTable.ToRelContext-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toRel</h4> |
| <pre><a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a> toRel(<a href="../../../../org/apache/calcite/plan/RelOptTable.ToRelContext.html" title="org.apache.calcite.plan中的接口">RelOptTable.ToRelContext</a> context)</pre> |
| <div class="block">Converts this table into a <a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口"><code>relational expression</code></a>. |
| |
| <p>The <a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口"><code>planner</code></a> calls this |
| method to convert a table into an initial relational expression, |
| generally something abstract, such as a |
| <a href="../../../../org/apache/calcite/rel/logical/LogicalTableScan.html" title="org.apache.calcite.rel.logical中的类"><code>LogicalTableScan</code></a>, |
| then optimizes this expression by |
| applying <a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类"><code>rules</code></a> to transform it |
| into more efficient access methods for this table.</p></div> |
| </li> |
| </ul> |
| <a name="getCollationList--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getCollationList</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/RelCollation.html" title="org.apache.calcite.rel中的接口">RelCollation</a>> getCollationList()</pre> |
| <div class="block">Returns a description of the physical ordering (or orderings) of the rows |
| returned from this table.</div> |
| <dl> |
| <dt><span class="seeLabel">另请参阅:</span></dt> |
| <dd><a href="../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html#collations-org.apache.calcite.rel.RelNode-"><code>RelMetadataQuery.collations(RelNode)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getDistribution--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getDistribution</h4> |
| <pre><a href="../../../../org/apache/calcite/rel/RelDistribution.html" title="org.apache.calcite.rel中的接口">RelDistribution</a> getDistribution()</pre> |
| <div class="block">Returns a description of the physical distribution of the rows |
| in this table.</div> |
| <dl> |
| <dt><span class="seeLabel">另请参阅:</span></dt> |
| <dd><a href="../../../../org/apache/calcite/rel/metadata/RelMetadataQuery.html#distribution-org.apache.calcite.rel.RelNode-"><code>RelMetadataQuery.distribution(RelNode)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isKey-org.apache.calcite.util.ImmutableBitSet-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isKey</h4> |
| <pre>boolean isKey(<a href="../../../../org/apache/calcite/util/ImmutableBitSet.html" title="org.apache.calcite.util中的类">ImmutableBitSet</a> columns)</pre> |
| <div class="block">Returns whether the given columns are a key or a superset of a unique key |
| of this table.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>columns</code> - Ordinals of key columns</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>Whether the given columns are a key or a superset of a key</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getKeys--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getKeys</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/util/ImmutableBitSet.html" title="org.apache.calcite.util中的类">ImmutableBitSet</a>> getKeys()</pre> |
| <div class="block">Returns a list of unique keys, empty list if no key exist, |
| the result should be consistent with <code>isKey</code></div> |
| </li> |
| </ul> |
| <a name="getReferentialConstraints--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getReferentialConstraints</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/RelReferentialConstraint.html" title="org.apache.calcite.rel中的接口">RelReferentialConstraint</a>> getReferentialConstraints()</pre> |
| <div class="block">Returns the referential constraints existing for this table. These constraints |
| are represented over other tables using <a href="../../../../org/apache/calcite/rel/RelReferentialConstraint.html" title="org.apache.calcite.rel中的接口"><code>RelReferentialConstraint</code></a> nodes.</div> |
| </li> |
| </ul> |
| <a name="getExpression-java.lang.Class-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getExpression</h4> |
| <pre><a href="../../../../org/apache/calcite/linq4j/tree/Expression.html" title="org.apache.calcite.linq4j.tree中的类">Expression</a> getExpression(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="java.lang中的类或接口">Class</a> clazz)</pre> |
| <div class="block">Generates code for this table.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>clazz</code> - The desired collection class; for example <code>Queryable</code>.</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>the code for the table, or null if code generation is not supported</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="extend-java.util.List-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>extend</h4> |
| <pre><a href="../../../../org/apache/calcite/plan/RelOptTable.html" title="org.apache.calcite.plan中的接口">RelOptTable</a> extend(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/rel/type/RelDataTypeField.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeField</a>> extendedFields)</pre> |
| <div class="block">Returns a table with the given extra fields. |
| |
| <p>The extended table includes the fields of this base table plus the |
| extended fields that do not have the same name as a field in the base |
| table.</div> |
| </li> |
| </ul> |
| <a name="getColumnStrategies--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>getColumnStrategies</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a><<a href="../../../../org/apache/calcite/schema/ColumnStrategy.html" title="org.apache.calcite.schema中的枚举">ColumnStrategy</a>> getColumnStrategies()</pre> |
| <div class="block">Returns a list describing how each column is populated. The list has the |
| same number of entries as there are fields, and is immutable.</div> |
| </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="跳过导航链接">跳过导航链接</a></div> |
| <a name="navbar.bottom.firstrow"> |
| <!-- --> |
| </a> |
| <ul class="navList" title="导航"> |
| <li><a href="../../../../overview-summary.html">概览</a></li> |
| <li><a href="package-summary.html">程序包</a></li> |
| <li class="navBarCell1Rev">类</li> |
| <li><a href="package-tree.html">树</a></li> |
| <li><a href="../../../../deprecated-list.html">已过时</a></li> |
| <li><a href="../../../../index-all.html">索引</a></li> |
| <li><a href="../../../../help-doc.html">帮助</a></li> |
| </ul> |
| <div class="aboutLanguage"><b>Apache Calcite</b></div> |
| </div> |
| <div class="subNav"> |
| <ul class="navList"> |
| <li><a href="../../../../org/apache/calcite/plan/RelOptSchemaWithSampling.html" title="org.apache.calcite.plan中的接口"><span class="typeNameLink">上一个类</span></a></li> |
| <li><a href="../../../../org/apache/calcite/plan/RelOptTable.ToRelContext.html" title="org.apache.calcite.plan中的接口"><span class="typeNameLink">下一个类</span></a></li> |
| </ul> |
| <ul class="navList"> |
| <li><a href="../../../../index.html?org/apache/calcite/plan/RelOptTable.html" target="_top">框架</a></li> |
| <li><a href="RelOptTable.html" target="_top">无框架</a></li> |
| </ul> |
| <ul class="navList" id="allclasses_navbar_bottom"> |
| <li><a href="../../../../allclasses-noframe.html">所有类</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>概要: </li> |
| <li><a href="#nested.class.summary">嵌套</a> | </li> |
| <li>字段 | </li> |
| <li>构造器 | </li> |
| <li><a href="#method.summary">方法</a></li> |
| </ul> |
| <ul class="subNavList"> |
| <li>详细资料: </li> |
| <li>字段 | </li> |
| <li>构造器 | </li> |
| <li><a href="#method.detail">方法</a></li> |
| </ul> |
| </div> |
| <a name="skip.navbar.bottom"> |
| <!-- --> |
| </a></div> |
| <!-- ======== END OF BOTTOM NAVBAR ======= --> |
| <p class="legalCopy"><small>Copyright © 2012-2020 Apache Software Foundation. All Rights Reserved.</small></p> |
| </body> |
| </html> |