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| <div class="subTitle">org.apache.calcite.rel.rules</div> |
| <h2 title="类 JoinProjectTransposeRule" class="title">类 JoinProjectTransposeRule</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> |
| <ul class="inheritance"> |
| <li><a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">org.apache.calcite.plan.RelOptRule</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.rel.rules.JoinProjectTransposeRule</li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <div class="description"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <dl> |
| <dt>直接已知子类:</dt> |
| <dd><a href="../../../../../org/apache/calcite/rel/rules/MultiJoinProjectTransposeRule.html" title="org.apache.calcite.rel.rules中的类">MultiJoinProjectTransposeRule</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>public class <span class="typeNameLabel">JoinProjectTransposeRule</span> |
| extends <a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a></pre> |
| <div class="block">Planner rule that matches a |
| <a href="../../../../../org/apache/calcite/rel/core/Join.html" title="org.apache.calcite.rel.core中的类"><code>Join</code></a> one of whose inputs is a |
| <a href="../../../../../org/apache/calcite/rel/logical/LogicalProject.html" title="org.apache.calcite.rel.logical中的类"><code>LogicalProject</code></a>, and |
| pulls the project up. |
| |
| <p>Projections are pulled up if the |
| <a href="../../../../../org/apache/calcite/rel/logical/LogicalProject.html" title="org.apache.calcite.rel.logical中的类"><code>LogicalProject</code></a> doesn't originate from |
| a null generating input in an outer join.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.summary"> |
| <!-- --> |
| </a> |
| <h3>字段概要</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="字段概要表, 列表字段和解释"> |
| <caption><span>字段</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">限定符和类型</th> |
| <th class="colLast" scope="col">字段和说明</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html" title="org.apache.calcite.rel.rules中的类">JoinProjectTransposeRule</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html#BOTH_PROJECT">BOTH_PROJECT</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html" title="org.apache.calcite.rel.rules中的类">JoinProjectTransposeRule</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html#BOTH_PROJECT_INCLUDE_OUTER">BOTH_PROJECT_INCLUDE_OUTER</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html" title="org.apache.calcite.rel.rules中的类">JoinProjectTransposeRule</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html#LEFT_PROJECT">LEFT_PROJECT</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html" title="org.apache.calcite.rel.rules中的类">JoinProjectTransposeRule</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html#LEFT_PROJECT_INCLUDE_OUTER">LEFT_PROJECT_INCLUDE_OUTER</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html" title="org.apache.calcite.rel.rules中的类">JoinProjectTransposeRule</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html#RIGHT_PROJECT">RIGHT_PROJECT</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html" title="org.apache.calcite.rel.rules中的类">JoinProjectTransposeRule</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html#RIGHT_PROJECT_INCLUDE_OUTER">RIGHT_PROJECT_INCLUDE_OUTER</a></span></code> </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="fields.inherited.from.class.org.apache.calcite.plan.RelOptRule"> |
| <!-- --> |
| </a> |
| <h3>从类继承的字段 org.apache.calcite.plan.<a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a></h3> |
| <code><a href="../../../../../org/apache/calcite/plan/RelOptRule.html#description">description</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#operands">operands</a>, <a href="../../../../../org/apache/calcite/plan/RelOptRule.html#relBuilderFactory">relBuilderFactory</a></code></li> |
| </ul> |
| </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/JoinProjectTransposeRule.html#JoinProjectTransposeRule-org.apache.calcite.plan.RelOptRuleOperand-java.lang.String-">JoinProjectTransposeRule</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a> operand, |
| <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> description)</code> |
| <div class="block">Creates a JoinProjectTransposeRule with default factory.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html#JoinProjectTransposeRule-org.apache.calcite.plan.RelOptRuleOperand-java.lang.String-boolean-org.apache.calcite.tools.RelBuilderFactory-">JoinProjectTransposeRule</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a> operand, |
| <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> description, |
| boolean includeOuter, |
| <a href="../../../../../org/apache/calcite/tools/RelBuilderFactory.html" title="org.apache.calcite.tools中的接口">RelBuilderFactory</a> relBuilderFactory)</code> |
| <div class="block">Creates a JoinProjectTransposeRule.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html#JoinProjectTransposeRule-org.apache.calcite.plan.RelOptRuleOperand-java.lang.String-boolean-org.apache.calcite.rel.core.RelFactories.ProjectFactory-">JoinProjectTransposeRule</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a> operand, |
| <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> description, |
| boolean includeOuter, |
| <a href="../../../../../org/apache/calcite/rel/core/RelFactories.ProjectFactory.html" title="org.apache.calcite.rel.core中的接口">RelFactories.ProjectFactory</a> projectFactory)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html#JoinProjectTransposeRule-org.apache.calcite.plan.RelOptRuleOperand-java.lang.String-org.apache.calcite.rel.core.RelFactories.ProjectFactory-">JoinProjectTransposeRule</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a> operand, |
| <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> description, |
| <a href="../../../../../org/apache/calcite/rel/core/RelFactories.ProjectFactory.html" title="org.apache.calcite.rel.core中的接口">RelFactories.ProjectFactory</a> projectFactory)</code> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </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="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>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html#createProjectExprs-org.apache.calcite.rel.core.Project-org.apache.calcite.rel.RelNode-int-org.apache.calcite.rex.RexBuilder-java.util.List-java.util.List-">createProjectExprs</a></span>(<a href="../../../../../org/apache/calcite/rel/core/Project.html" title="org.apache.calcite.rel.core中的类">Project</a> projRel, |
| <a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a> joinChild, |
| int adjustmentAmount, |
| <a href="../../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <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>> joinChildrenFields, |
| <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/Pair.html" title="org.apache.calcite.util中的类">Pair</a><<a href="../../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</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>>> projects)</code> |
| <div class="block">Creates projection expressions corresponding to one of the inputs into |
| the join</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>protected <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/JoinProjectTransposeRule.html#getProjectChild-org.apache.calcite.plan.RelOptRuleCall-org.apache.calcite.rel.core.Project-boolean-">getProjectChild</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类">RelOptRuleCall</a> call, |
| <a href="../../../../../org/apache/calcite/rel/core/Project.html" title="org.apache.calcite.rel.core中的类">Project</a> project, |
| boolean leftChild)</code> |
| <div class="block">Returns the child of the project that will be used as input into the new |
| LogicalJoin once the projects are pulled above the LogicalJoin.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../org/apache/calcite/rel/core/Project.html" title="org.apache.calcite.rel.core中的类">Project</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html#getRightChild-org.apache.calcite.plan.RelOptRuleCall-">getRightChild</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类">RelOptRuleCall</a> call)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html#hasLeftChild-org.apache.calcite.plan.RelOptRuleCall-">hasLeftChild</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类">RelOptRuleCall</a> call)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html#hasRightChild-org.apache.calcite.plan.RelOptRuleCall-">hasRightChild</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类">RelOptRuleCall</a> call)</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/JoinProjectTransposeRule.html#onMatch-org.apache.calcite.plan.RelOptRuleCall-">onMatch</a></span>(<a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类">RelOptRuleCall</a> call)</code> |
| <div class="block">Receives notification about a rule match.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.org.apache.calcite.plan.RelOptRule"> |
| <!-- --> |
| </a> |
| <h3>从类继承的方法 org.apache.calcite.plan.<a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a></h3> |
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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#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#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#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> |
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| <pre>public static final <a href="../../../../../org/apache/calcite/rel/rules/JoinProjectTransposeRule.html" title="org.apache.calcite.rel.rules中的类">JoinProjectTransposeRule</a> RIGHT_PROJECT_INCLUDE_OUTER</pre> |
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| <h3>构造器详细资料</h3> |
| <a name="JoinProjectTransposeRule-org.apache.calcite.plan.RelOptRuleOperand-java.lang.String-boolean-org.apache.calcite.tools.RelBuilderFactory-"> |
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| <pre>public JoinProjectTransposeRule(<a href="../../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a> operand, |
| <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> description, |
| boolean includeOuter, |
| <a href="../../../../../org/apache/calcite/tools/RelBuilderFactory.html" title="org.apache.calcite.tools中的接口">RelBuilderFactory</a> relBuilderFactory)</pre> |
| <div class="block">Creates a JoinProjectTransposeRule.</div> |
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| <a name="JoinProjectTransposeRule-org.apache.calcite.plan.RelOptRuleOperand-java.lang.String-"> |
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| <pre>public JoinProjectTransposeRule(<a href="../../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a> operand, |
| <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> description)</pre> |
| <div class="block">Creates a JoinProjectTransposeRule with default factory.</div> |
| </li> |
| </ul> |
| <a name="JoinProjectTransposeRule-org.apache.calcite.plan.RelOptRuleOperand-java.lang.String-org.apache.calcite.rel.core.RelFactories.ProjectFactory-"> |
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| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public JoinProjectTransposeRule(<a href="../../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a> operand, |
| <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> description, |
| <a href="../../../../../org/apache/calcite/rel/core/RelFactories.ProjectFactory.html" title="org.apache.calcite.rel.core中的接口">RelFactories.ProjectFactory</a> projectFactory)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
| </li> |
| </ul> |
| <a name="JoinProjectTransposeRule-org.apache.calcite.plan.RelOptRuleOperand-java.lang.String-boolean-org.apache.calcite.rel.core.RelFactories.ProjectFactory-"> |
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| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="java.lang中的类或接口">@Deprecated</a> |
| public JoinProjectTransposeRule(<a href="../../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a> operand, |
| <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> description, |
| boolean includeOuter, |
| <a href="../../../../../org/apache/calcite/rel/core/RelFactories.ProjectFactory.html" title="org.apache.calcite.rel.core中的接口">RelFactories.ProjectFactory</a> projectFactory)</pre> |
| <div class="block"><span class="deprecatedLabel">已过时。</span> </div> |
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| <h3>方法详细资料</h3> |
| <a name="onMatch-org.apache.calcite.plan.RelOptRuleCall-"> |
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| <h4>onMatch</h4> |
| <pre>public void onMatch(<a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类">RelOptRuleCall</a> call)</pre> |
| <div class="block"><span class="descfrmTypeLabel">从类复制的说明: <code><a href="../../../../../org/apache/calcite/plan/RelOptRule.html#onMatch-org.apache.calcite.plan.RelOptRuleCall-">RelOptRule</a></code></span></div> |
| <div class="block">Receives notification about a rule match. At the time that this method is |
| called, <a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html#rels"><code>call.rels</code></a> holds the set of relational |
| expressions which match the operands to the rule; <code> |
| call.rels[0]</code> is the root expression. |
| |
| <p>Typically a rule would check that the nodes are valid matches, creates |
| a new expression, then calls back <a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html#transformTo-org.apache.calcite.rel.RelNode-java.util.Map-org.apache.calcite.plan.RelHintsPropagator-"><code>RelOptRuleCall.transformTo(org.apache.calcite.rel.RelNode, java.util.Map<org.apache.calcite.rel.RelNode, org.apache.calcite.rel.RelNode>, org.apache.calcite.plan.RelHintsPropagator)</code></a> to |
| register the expression.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">指定者:</span></dt> |
| <dd><code><a href="../../../../../org/apache/calcite/plan/RelOptRule.html#onMatch-org.apache.calcite.plan.RelOptRuleCall-">onMatch</a></code> 在类中 <code><a href="../../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a></code></dd> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>call</code> - Rule call</dd> |
| <dt><span class="seeLabel">另请参阅:</span></dt> |
| <dd><a href="../../../../../org/apache/calcite/plan/RelOptRule.html#matches-org.apache.calcite.plan.RelOptRuleCall-"><code>RelOptRule.matches(RelOptRuleCall)</code></a></dd> |
| </dl> |
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| <a name="hasLeftChild-org.apache.calcite.plan.RelOptRuleCall-"> |
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| <h4>hasLeftChild</h4> |
| <pre>protected boolean hasLeftChild(<a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类">RelOptRuleCall</a> call)</pre> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>call</code> - RelOptRuleCall</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>true if the rule was invoked with a left project child</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="hasRightChild-org.apache.calcite.plan.RelOptRuleCall-"> |
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| <h4>hasRightChild</h4> |
| <pre>protected boolean hasRightChild(<a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类">RelOptRuleCall</a> call)</pre> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>call</code> - RelOptRuleCall</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>true if the rule was invoked with 2 children</dd> |
| </dl> |
| </li> |
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| <a name="getRightChild-org.apache.calcite.plan.RelOptRuleCall-"> |
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| <h4>getRightChild</h4> |
| <pre>protected <a href="../../../../../org/apache/calcite/rel/core/Project.html" title="org.apache.calcite.rel.core中的类">Project</a> getRightChild(<a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类">RelOptRuleCall</a> call)</pre> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>call</code> - RelOptRuleCall</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>LogicalProject corresponding to the right child</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getProjectChild-org.apache.calcite.plan.RelOptRuleCall-org.apache.calcite.rel.core.Project-boolean-"> |
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| <h4>getProjectChild</h4> |
| <pre>protected <a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a> getProjectChild(<a href="../../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类">RelOptRuleCall</a> call, |
| <a href="../../../../../org/apache/calcite/rel/core/Project.html" title="org.apache.calcite.rel.core中的类">Project</a> project, |
| boolean leftChild)</pre> |
| <div class="block">Returns the child of the project that will be used as input into the new |
| LogicalJoin once the projects are pulled above the LogicalJoin.</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>call</code> - RelOptRuleCall</dd> |
| <dd><code>project</code> - project RelNode</dd> |
| <dd><code>leftChild</code> - true if the project corresponds to the left projection</dd> |
| <dt><span class="returnLabel">返回:</span></dt> |
| <dd>child of the project that will be used as input into the new |
| LogicalJoin once the projects are pulled above the LogicalJoin</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="createProjectExprs-org.apache.calcite.rel.core.Project-org.apache.calcite.rel.RelNode-int-org.apache.calcite.rex.RexBuilder-java.util.List-java.util.List-"> |
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| <h4>createProjectExprs</h4> |
| <pre>protected void createProjectExprs(<a href="../../../../../org/apache/calcite/rel/core/Project.html" title="org.apache.calcite.rel.core中的类">Project</a> projRel, |
| <a href="../../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口">RelNode</a> joinChild, |
| int adjustmentAmount, |
| <a href="../../../../../org/apache/calcite/rex/RexBuilder.html" title="org.apache.calcite.rex中的类">RexBuilder</a> rexBuilder, |
| <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>> joinChildrenFields, |
| <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/Pair.html" title="org.apache.calcite.util中的类">Pair</a><<a href="../../../../../org/apache/calcite/rex/RexNode.html" title="org.apache.calcite.rex中的类">RexNode</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>>> projects)</pre> |
| <div class="block">Creates projection expressions corresponding to one of the inputs into |
| the join</div> |
| <dl> |
| <dt><span class="paramLabel">参数:</span></dt> |
| <dd><code>projRel</code> - the projection input into the join (if it exists)</dd> |
| <dd><code>joinChild</code> - the child of the projection input (if there is a |
| projection); otherwise, this is the join input</dd> |
| <dd><code>adjustmentAmount</code> - the amount the expressions need to be shifted by</dd> |
| <dd><code>rexBuilder</code> - rex builder</dd> |
| <dd><code>joinChildrenFields</code> - concatenation of the fields from the left and |
| right join inputs (once the projections have been |
| removed)</dd> |
| <dd><code>projects</code> - Projection expressions & names to be created</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| </div> |
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