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| <div class="subTitle">org.apache.calcite.rel.rules</div> |
| <h2 title="类 LoptJoinTree" class="title">类 LoptJoinTree</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="java.lang中的类或接口">java.lang.Object</a></li> |
| <li> |
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| <li>org.apache.calcite.rel.rules.LoptJoinTree</li> |
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| <br> |
| <pre>public class <span class="typeNameLabel">LoptJoinTree</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.lang中的类或接口">Object</a></pre> |
| <div class="block">Utility class used to store a <a href="../../../../../org/apache/calcite/rel/core/Join.html" title="org.apache.calcite.rel.core中的类"><code>Join</code></a> tree |
| and the factors that make up the tree. |
| |
| <p>Because <a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口"><code>RelNode</code></a>s can be duplicated in a query |
| when you have a self-join, factor ids are needed to distinguish between the |
| different join inputs that correspond to identical tables. The class |
| associates factor ids with a join tree, matching the order of the factor ids |
| with the order of those factors in the join tree.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
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| </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">类和说明</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.BinaryTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.BinaryTree</a></span></code> |
| <div class="block">Simple binary tree class that stores an id in the leaf nodes and keeps |
| track of the parent LoptJoinTree object associated with the binary tree.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.Leaf.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.Leaf</a></span></code> |
| <div class="block">Binary tree node that has no children.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.Node.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.Node</a></span></code> |
| <div class="block">Binary tree node that has two children.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.summary"> |
| <!-- --> |
| </a> |
| <h3>构造器概要</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="构造器概要表, 列表构造器和解释"> |
| <caption><span>构造器</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">构造器和说明</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.html#LoptJoinTree-org.apache.calcite.rel.RelNode-int-">LoptJoinTree</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a> joinTree, |
| int factorId)</code> |
| <div class="block">Creates a join-tree consisting of a single node.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.html#LoptJoinTree-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.rules.LoptJoinTree.BinaryTree-boolean-">LoptJoinTree</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a> joinTree, |
| <a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.BinaryTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.BinaryTree</a> factorTree, |
| boolean removableSelfJoin)</code> |
| <div class="block">Associates the factor ids with a join-tree.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.html#LoptJoinTree-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.rules.LoptJoinTree.BinaryTree-org.apache.calcite.rel.rules.LoptJoinTree.BinaryTree-">LoptJoinTree</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a> joinTree, |
| <a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.BinaryTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.BinaryTree</a> leftFactorTree, |
| <a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.BinaryTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.BinaryTree</a> rightFactorTree)</code> |
| <div class="block">Associates the factor ids with a join-tree given the factors corresponding |
| to the left and right subtrees of the join.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.html#LoptJoinTree-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.rules.LoptJoinTree.BinaryTree-org.apache.calcite.rel.rules.LoptJoinTree.BinaryTree-boolean-">LoptJoinTree</a></span>(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a> joinTree, |
| <a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.BinaryTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.BinaryTree</a> leftFactorTree, |
| <a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.BinaryTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.BinaryTree</a> rightFactorTree, |
| boolean removableSelfJoin)</code> |
| <div class="block">Associates the factor ids with a join-tree given the factors corresponding |
| to the left and right subtrees of the join.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.summary"> |
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| </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="t4" class="tableTab"><span><a href="javascript:show(8);">具体方法</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/rel/rules/LoptJoinTree.BinaryTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.BinaryTree</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.html#getFactorTree--">getFactorTree</a></span>()</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <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/rel/rules/LoptJoinTree.html#getJoinTree--">getJoinTree</a></span>()</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.html#getLeft--">getLeft</a></span>()</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.html#getRight--">getRight</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" 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/Integer.html?is-external=true" title="java.lang中的类或接口">Integer</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.html#getTreeOrder--">getTreeOrder</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.html#getTreeOrder-java.util.List-">getTreeOrder</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="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="java.lang中的类或接口">Integer</a>> treeOrder)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.html#isRemovableSelfJoin--">isRemovableSelfJoin</a></span>()</code> </td> |
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| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="java.lang中的类或接口">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="java.lang中的类或接口">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="java.lang中的类或接口">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="java.lang中的类或接口">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="java.lang中的类或接口">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="java.lang中的类或接口">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="java.lang中的类或接口">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="java.lang中的类或接口">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="java.lang中的类或接口">wait</a></code></li> |
| </ul> |
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| </ul> |
| </li> |
| </ul> |
| </div> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| <li class="blockList"><a name="constructor.detail"> |
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| </a> |
| <h3>构造器详细资料</h3> |
| <a name="LoptJoinTree-org.apache.calcite.rel.RelNode-int-"> |
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| </a> |
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| <h4>LoptJoinTree</h4> |
| <pre>public LoptJoinTree(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a> joinTree, |
| int factorId)</pre> |
| <div class="block">Creates a join-tree consisting of a single node.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>joinTree</code> - RelNode corresponding to the single node</dd> |
| <dd><code>factorId</code> - factor id of the node</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="LoptJoinTree-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.rules.LoptJoinTree.BinaryTree-boolean-"> |
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| <h4>LoptJoinTree</h4> |
| <pre>public LoptJoinTree(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a> joinTree, |
| <a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.BinaryTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.BinaryTree</a> factorTree, |
| boolean removableSelfJoin)</pre> |
| <div class="block">Associates the factor ids with a join-tree.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>joinTree</code> - RelNodes corresponding to the join tree</dd> |
| <dd><code>factorTree</code> - tree of the factor ids</dd> |
| <dd><code>removableSelfJoin</code> - whether the join corresponds to a removable |
| self-join</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="LoptJoinTree-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.rules.LoptJoinTree.BinaryTree-org.apache.calcite.rel.rules.LoptJoinTree.BinaryTree-"> |
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| <h4>LoptJoinTree</h4> |
| <pre>public LoptJoinTree(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a> joinTree, |
| <a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.BinaryTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.BinaryTree</a> leftFactorTree, |
| <a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.BinaryTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.BinaryTree</a> rightFactorTree)</pre> |
| <div class="block">Associates the factor ids with a join-tree given the factors corresponding |
| to the left and right subtrees of the join.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>joinTree</code> - RelNodes corresponding to the join tree</dd> |
| <dd><code>leftFactorTree</code> - tree of the factor ids for left subtree</dd> |
| <dd><code>rightFactorTree</code> - tree of the factor ids for the right subtree</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="LoptJoinTree-org.apache.calcite.rel.RelNode-org.apache.calcite.rel.rules.LoptJoinTree.BinaryTree-org.apache.calcite.rel.rules.LoptJoinTree.BinaryTree-boolean-"> |
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| <h4>LoptJoinTree</h4> |
| <pre>public LoptJoinTree(<a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a> joinTree, |
| <a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.BinaryTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.BinaryTree</a> leftFactorTree, |
| <a href="../../../../../org/apache/calcite/rel/rules/LoptJoinTree.BinaryTree.html" title="org.apache.calcite.rel.rules中的类">LoptJoinTree.BinaryTree</a> rightFactorTree, |
| boolean removableSelfJoin)</pre> |
| <div class="block">Associates the factor ids with a join-tree given the factors corresponding |
| to the left and right subtrees of the join. Also indicates whether the |
| join is a removable self-join.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>joinTree</code> - RelNodes corresponding to the join tree</dd> |
| <dd><code>leftFactorTree</code> - tree of the factor ids for left subtree</dd> |
| <dd><code>rightFactorTree</code> - tree of the factor ids for the right subtree</dd> |
| <dd><code>removableSelfJoin</code> - true if the join is a removable self-join</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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| <h3>方法详细资料</h3> |
| <a name="getJoinTree--"> |
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| <h4>getJoinTree</h4> |
| <pre>public <a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a> getJoinTree()</pre> |
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