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| <h1 title="程序包" class="title">程序包 org.apache.calcite.plan</h1> |
| <div class="docSummary"> |
| <div class="block">Defines interfaces for constructing rule-based optimizers of |
| relational expressions.</div> |
| </div> |
| <p>请参阅: <a href="#package.description">说明</a></p> |
| </div> |
| <div class="contentContainer"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="接口概要表, 列表接口和解释"> |
| <caption><span>接口概要</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">接口</th> |
| <th class="colLast" scope="col">说明</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/Context.html" title="org.apache.calcite.plan中的接口">Context</a></td> |
| <td class="colLast"> |
| <div class="block">Provides library users a way to store data within the planner session and |
| access it within rules.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/Convention.html" title="org.apache.calcite.plan中的接口">Convention</a></td> |
| <td class="colLast"> |
| <div class="block">Calling convention trait.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelHintsPropagator.html" title="org.apache.calcite.plan中的接口">RelHintsPropagator</a></td> |
| <td class="colLast"> |
| <div class="block">Customize the propagation of the <a href="../../../../org/apache/calcite/rel/hint/RelHint.html" title="org.apache.calcite.rel.hint中的类"><code>RelHint</code></a>s |
| from the root relational expression of a rule call <a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类"><code>RelOptRuleCall</code></a> to |
| the new equivalent expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelImplementor.html" title="org.apache.calcite.plan中的接口">RelImplementor</a></td> |
| <td class="colLast"> |
| <div class="block">This is a marker interface for a callback used to convert a tree of |
| <a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口"><code>relational expressions</code></a> into a plan.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelMultipleTrait.html" title="org.apache.calcite.plan中的接口">RelMultipleTrait</a></td> |
| <td class="colLast"> |
| <div class="block">Trait for which a given relational expression can have multiple values.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptConnection.html" title="org.apache.calcite.plan中的接口">RelOptConnection</a></td> |
| <td class="colLast"> |
| <div class="block">The planner's view of a connection to a database.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptCost.html" title="org.apache.calcite.plan中的接口">RelOptCost</a></td> |
| <td class="colLast"> |
| <div class="block">RelOptCost defines an interface for optimizer cost in terms of number of rows |
| processed, CPU cost, and I/O cost.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptCostFactory.html" title="org.apache.calcite.plan中的接口">RelOptCostFactory</a></td> |
| <td class="colLast"> |
| <div class="block">Cost model for query planning.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptListener.html" title="org.apache.calcite.plan中的接口">RelOptListener</a></td> |
| <td class="colLast"> |
| <div class="block">RelOptListener defines an interface for listening to events which occur |
| during the optimization process.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptNode.html" title="org.apache.calcite.plan中的接口">RelOptNode</a></td> |
| <td class="colLast"> |
| <div class="block">Node in a planner.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口">RelOptPlanner</a></td> |
| <td class="colLast"> |
| <div class="block">A <code>RelOptPlanner</code> is a query optimizer: it transforms a relational |
| expression into a semantically equivalent relational expression, according to |
| a given set of rules and a cost model.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptPlanner.Executor.html" title="org.apache.calcite.plan中的接口">RelOptPlanner.Executor</a></td> |
| <td class="colLast">已过时 |
| <div class="block"><span class="deprecationComment">Use <a href="../../../../org/apache/calcite/rex/RexExecutor.html" title="org.apache.calcite.rex中的接口"><code>RexExecutor</code></a></span></div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="org.apache.calcite.plan中的接口">RelOptSchema</a></td> |
| <td class="colLast"> |
| <div class="block">A <code>RelOptSchema</code> is a set of <a href="../../../../org/apache/calcite/plan/RelOptTable.html" title="org.apache.calcite.plan中的接口"><code>RelOptTable</code></a> objects.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptSchemaWithSampling.html" title="org.apache.calcite.plan中的接口">RelOptSchemaWithSampling</a></td> |
| <td class="colLast"> |
| <div class="block">Extension to <a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="org.apache.calcite.plan中的接口"><code>RelOptSchema</code></a> with support for sample data-sets.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptTable.html" title="org.apache.calcite.plan中的接口">RelOptTable</a></td> |
| <td class="colLast"> |
| <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>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptTable.ToRelContext.html" title="org.apache.calcite.plan中的接口">RelOptTable.ToRelContext</a></td> |
| <td class="colLast"> |
| <div class="block">Contains the context needed to convert a a table into a relational |
| expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptTable.ViewExpander.html" title="org.apache.calcite.plan中的接口">RelOptTable.ViewExpander</a></td> |
| <td class="colLast"> |
| <div class="block">Can expand a view into relational expressions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a></td> |
| <td class="colLast"> |
| <div class="block">RelTrait represents the manifestation of a relational expression trait within |
| a trait definition.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="类概要表, 列表类和解释"> |
| <caption><span>类概要</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">类</th> |
| <th class="colLast" scope="col">说明</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/AbstractRelOptPlanner.html" title="org.apache.calcite.plan中的类">AbstractRelOptPlanner</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract base for implementations of the <a href="../../../../org/apache/calcite/plan/RelOptPlanner.html" title="org.apache.calcite.plan中的接口"><code>RelOptPlanner</code></a> interface.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/CommonRelSubExprRule.html" title="org.apache.calcite.plan中的类">CommonRelSubExprRule</a></td> |
| <td class="colLast"> |
| <div class="block">A <code>CommonRelSubExprRule</code> is an abstract base class for rules |
| that are fired only on relational expressions that appear more than once |
| in a query tree.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/Contexts.html" title="org.apache.calcite.plan中的类">Contexts</a></td> |
| <td class="colLast"> |
| <div class="block">Utilities for <a href="../../../../org/apache/calcite/plan/Context.html" title="org.apache.calcite.plan中的接口"><code>Context</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/Convention.Impl.html" title="org.apache.calcite.plan中的类">Convention.Impl</a></td> |
| <td class="colLast"> |
| <div class="block">Default implementation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/ConventionTraitDef.html" title="org.apache.calcite.plan中的类">ConventionTraitDef</a></td> |
| <td class="colLast"> |
| <div class="block">Definition of the convention trait.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/MaterializedViewSubstitutionVisitor.html" title="org.apache.calcite.plan中的类">MaterializedViewSubstitutionVisitor</a></td> |
| <td class="colLast">已过时</td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/MulticastRelOptListener.html" title="org.apache.calcite.plan中的类">MulticastRelOptListener</a></td> |
| <td class="colLast"> |
| <div class="block">MulticastRelOptListener implements the <a href="../../../../org/apache/calcite/plan/RelOptListener.html" title="org.apache.calcite.plan中的接口"><code>RelOptListener</code></a> interface by |
| forwarding events on to a collection of other listeners.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptAbstractTable.html" title="org.apache.calcite.plan中的类">RelOptAbstractTable</a></td> |
| <td class="colLast"> |
| <div class="block">Partial implementation of <a href="../../../../org/apache/calcite/plan/RelOptTable.html" title="org.apache.calcite.plan中的接口"><code>RelOptTable</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptCluster.html" title="org.apache.calcite.plan中的类">RelOptCluster</a></td> |
| <td class="colLast"> |
| <div class="block">An environment for related relational expressions during the |
| optimization of a query.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptCostImpl.html" title="org.apache.calcite.plan中的类">RelOptCostImpl</a></td> |
| <td class="colLast"> |
| <div class="block">RelOptCostImpl provides a default implementation for the <a href="../../../../org/apache/calcite/plan/RelOptCost.html" title="org.apache.calcite.plan中的接口"><code>RelOptCost</code></a> |
| interface.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptLattice.html" title="org.apache.calcite.plan中的类">RelOptLattice</a></td> |
| <td class="colLast"> |
| <div class="block">Use of a lattice by the query optimizer.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptListener.RelChosenEvent.html" title="org.apache.calcite.plan中的类">RelOptListener.RelChosenEvent</a></td> |
| <td class="colLast"> |
| <div class="block">Event indicating that a relational expression has been chosen.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptListener.RelDiscardedEvent.html" title="org.apache.calcite.plan中的类">RelOptListener.RelDiscardedEvent</a></td> |
| <td class="colLast"> |
| <div class="block">Event indicating that a relational expression has been discarded.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptListener.RelEquivalenceEvent.html" title="org.apache.calcite.plan中的类">RelOptListener.RelEquivalenceEvent</a></td> |
| <td class="colLast"> |
| <div class="block">Event indicating that a relational expression has been found to |
| be equivalent to an equivalence class.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptListener.RelEvent.html" title="org.apache.calcite.plan中的类">RelOptListener.RelEvent</a></td> |
| <td class="colLast"> |
| <div class="block">Event class for abstract event dealing with a relational expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptListener.RuleAttemptedEvent.html" title="org.apache.calcite.plan中的类">RelOptListener.RuleAttemptedEvent</a></td> |
| <td class="colLast"> |
| <div class="block">Event indicating that a planner rule has been attempted.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptListener.RuleEvent.html" title="org.apache.calcite.plan中的类">RelOptListener.RuleEvent</a></td> |
| <td class="colLast"> |
| <div class="block">Event indicating that a planner rule has fired.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptListener.RuleProductionEvent.html" title="org.apache.calcite.plan中的类">RelOptListener.RuleProductionEvent</a></td> |
| <td class="colLast"> |
| <div class="block">Event indicating that a planner rule has produced a result.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptMaterialization.html" title="org.apache.calcite.plan中的类">RelOptMaterialization</a></td> |
| <td class="colLast"> |
| <div class="block">Records that a particular query is materialized by a particular table.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptMaterializations.html" title="org.apache.calcite.plan中的类">RelOptMaterializations</a></td> |
| <td class="colLast"> |
| <div class="block">Utility methods for using |
| materialized views and lattices for queries.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptPredicateList.html" title="org.apache.calcite.plan中的类">RelOptPredicateList</a></td> |
| <td class="colLast"> |
| <div class="block">Predicates that are known to hold in the output of a particular relational |
| expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptQuery.html" title="org.apache.calcite.plan中的类">RelOptQuery</a></td> |
| <td class="colLast"> |
| <div class="block">A <code>RelOptQuery</code> represents a set of |
| <a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口"><code>relational expressions</code></a> which derive from the same |
| <code>select</code> statement.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类">RelOptRule</a></td> |
| <td class="colLast"> |
| <div class="block">A <code>RelOptRule</code> transforms an expression into another.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptRuleCall.html" title="org.apache.calcite.plan中的类">RelOptRuleCall</a></td> |
| <td class="colLast"> |
| <div class="block">A <code>RelOptRuleCall</code> is an invocation of a <a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类"><code>RelOptRule</code></a> with a |
| set of <a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口"><code>relational expression</code></a>s as arguments.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类">RelOptRuleOperand</a></td> |
| <td class="colLast"> |
| <div class="block">Operand that determines whether a <a href="../../../../org/apache/calcite/plan/RelOptRule.html" title="org.apache.calcite.plan中的类"><code>RelOptRule</code></a> |
| can be applied to a particular expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptRuleOperandChildren.html" title="org.apache.calcite.plan中的类">RelOptRuleOperandChildren</a></td> |
| <td class="colLast"> |
| <div class="block">Children of a <a href="../../../../org/apache/calcite/plan/RelOptRuleOperand.html" title="org.apache.calcite.plan中的类"><code>RelOptRuleOperand</code></a> and the |
| policy for matching them.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptRules.html" title="org.apache.calcite.plan中的类">RelOptRules</a></td> |
| <td class="colLast"> |
| <div class="block">A utility class for organizing built-in rules and rule related |
| methods.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptSamplingParameters.html" title="org.apache.calcite.plan中的类">RelOptSamplingParameters</a></td> |
| <td class="colLast"> |
| <div class="block">RelOptSamplingParameters represents the parameters necessary to produce a |
| sample of a relation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptUtil.html" title="org.apache.calcite.plan中的类">RelOptUtil</a></td> |
| <td class="colLast"> |
| <div class="block"><code>RelOptUtil</code> defines static utility methods for use in optimizing |
| <a href="../../../../org/apache/calcite/rel/RelNode.html" title="org.apache.calcite.rel中的接口"><code>RelNode</code></a>s.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptUtil.Exists.html" title="org.apache.calcite.plan中的类">RelOptUtil.Exists</a></td> |
| <td class="colLast"> |
| <div class="block">Result of calling |
| <a href="../../../../org/apache/calcite/plan/RelOptUtil.html#createExistsPlan-org.apache.calcite.plan.RelOptCluster-org.apache.calcite.rel.RelNode-java.util.List-org.apache.calcite.rex.RexLiteral-java.lang.String-"><code>RelOptUtil.createExistsPlan(org.apache.calcite.plan.RelOptCluster, org.apache.calcite.rel.RelNode, java.util.List<org.apache.calcite.rex.RexNode>, org.apache.calcite.rex.RexLiteral, java.lang.String)</code></a></div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptUtil.InputFinder.html" title="org.apache.calcite.plan中的类">RelOptUtil.InputFinder</a></td> |
| <td class="colLast"> |
| <div class="block">Visitor which builds a bitmap of the inputs used by an expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptUtil.InputReferencedVisitor.html" title="org.apache.calcite.plan中的类">RelOptUtil.InputReferencedVisitor</a></td> |
| <td class="colLast"> |
| <div class="block">Shuttle that finds the set of inputs that are used.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptUtil.RexInputConverter.html" title="org.apache.calcite.plan中的类">RelOptUtil.RexInputConverter</a></td> |
| <td class="colLast"> |
| <div class="block">Walks an expression tree, converting the index of RexInputRefs based on |
| some adjustment factor.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptUtil.TypeDumper.html" title="org.apache.calcite.plan中的类">RelOptUtil.TypeDumper</a></td> |
| <td class="colLast"> |
| <div class="block">Converts types to descriptive strings.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptUtil.VariableUsedVisitor.html" title="org.apache.calcite.plan中的类">RelOptUtil.VariableUsedVisitor</a></td> |
| <td class="colLast"> |
| <div class="block">Visitor that finds all variables used in an expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelTraitDef.html" title="org.apache.calcite.plan中的类">RelTraitDef</a><T extends <a href="../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口">RelTrait</a>></td> |
| <td class="colLast"> |
| <div class="block">RelTraitDef represents a class of <a href="../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口"><code>RelTrait</code></a>s.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelTraitPropagationVisitor.html" title="org.apache.calcite.plan中的类">RelTraitPropagationVisitor</a></td> |
| <td class="colLast">已过时 |
| <div class="block"><span class="deprecationComment">As of 1.19, if you need to perform certain assertions regarding a RelNode tree and |
| the contained traits you are encouraged to implement your own RelVisitor or |
| <a href="../../../../org/apache/calcite/rel/RelShuttle.html" title="org.apache.calcite.rel中的接口"><code>RelShuttle</code></a> directly.</span></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelTraitSet.html" title="org.apache.calcite.plan中的类">RelTraitSet</a></td> |
| <td class="colLast"> |
| <div class="block">RelTraitSet represents an ordered set of <a href="../../../../org/apache/calcite/plan/RelTrait.html" title="org.apache.calcite.plan中的接口"><code>RelTrait</code></a>s.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RexImplicationChecker.html" title="org.apache.calcite.plan中的类">RexImplicationChecker</a></td> |
| <td class="colLast"> |
| <div class="block">Checks whether one condition logically implies another.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/Strong.html" title="org.apache.calcite.plan中的类">Strong</a></td> |
| <td class="colLast"> |
| <div class="block">Utilities for strong predicates.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/SubstitutionVisitor.html" title="org.apache.calcite.plan中的类">SubstitutionVisitor</a></td> |
| <td class="colLast"> |
| <div class="block">Substitutes part of a tree of relational expressions with another tree.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/SubstitutionVisitor.AbstractUnifyRule.html" title="org.apache.calcite.plan中的类">SubstitutionVisitor.AbstractUnifyRule</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract base class for implementing <a href="../../../../org/apache/calcite/plan/SubstitutionVisitor.UnifyRule.html" title="org.apache.calcite.plan中的类"><code>SubstitutionVisitor.UnifyRule</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/SubstitutionVisitor.Operand.html" title="org.apache.calcite.plan中的类">SubstitutionVisitor.Operand</a></td> |
| <td class="colLast"> |
| <div class="block">Operand to a <a href="../../../../org/apache/calcite/plan/SubstitutionVisitor.UnifyRule.html" title="org.apache.calcite.plan中的类"><code>SubstitutionVisitor.UnifyRule</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/SubstitutionVisitor.UnifyResult.html" title="org.apache.calcite.plan中的类">SubstitutionVisitor.UnifyResult</a></td> |
| <td class="colLast"> |
| <div class="block">Result of an application of a <a href="../../../../org/apache/calcite/plan/SubstitutionVisitor.UnifyRule.html" title="org.apache.calcite.plan中的类"><code>SubstitutionVisitor.UnifyRule</code></a> indicating that the |
| rule successfully matched <code>query</code> against <code>target</code> and |
| generated a <code>result</code> that is equivalent to <code>query</code> and |
| contains <code>target</code>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/SubstitutionVisitor.UnifyRule.html" title="org.apache.calcite.plan中的类">SubstitutionVisitor.UnifyRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule that attempts to match a query relational expression |
| against a target relational expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/TableAccessMap.html" title="org.apache.calcite.plan中的类">TableAccessMap</a></td> |
| <td class="colLast"> |
| <div class="block"><code>TableAccessMap</code> represents the tables accessed by a query plan, |
| with READ/WRITE information.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/ViewExpanders.html" title="org.apache.calcite.plan中的类">ViewExpanders</a></td> |
| <td class="colLast"> |
| <div class="block">Utilities for <a href="../../../../org/apache/calcite/plan/RelOptTable.ViewExpander.html" title="org.apache.calcite.plan中的接口"><code>RelOptTable.ViewExpander</code></a> and |
| <a href="../../../../org/apache/calcite/plan/RelOptTable.ToRelContext.html" title="org.apache.calcite.plan中的接口"><code>RelOptTable.ToRelContext</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/VisitorDataContext.html" title="org.apache.calcite.plan中的类">VisitorDataContext</a></td> |
| <td class="colLast"> |
| <div class="block">DataContext for evaluating an RexExpression</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="枚举概要表, 列表枚举和解释"> |
| <caption><span>枚举概要</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">枚举</th> |
| <th class="colLast" scope="col">说明</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptRuleOperandChildPolicy.html" title="org.apache.calcite.plan中的枚举">RelOptRuleOperandChildPolicy</a></td> |
| <td class="colLast"> |
| <div class="block">Policy by which operands will be matched by relational expressions with |
| any number of children.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptUtil.Logic.html" title="org.apache.calcite.plan中的枚举">RelOptUtil.Logic</a></td> |
| <td class="colLast"> |
| <div class="block">Policies for handling two- and three-valued boolean logic.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptUtil.SubQueryType.html" title="org.apache.calcite.plan中的枚举">RelOptUtil.SubQueryType</a></td> |
| <td class="colLast"> |
| <div class="block">What kind of sub-query.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/Strong.Policy.html" title="org.apache.calcite.plan中的枚举">Strong.Policy</a></td> |
| <td class="colLast"> |
| <div class="block">How whether an operator's operands are null affects whether a call to |
| that operator evaluates to null.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/TableAccessMap.Mode.html" title="org.apache.calcite.plan中的枚举">TableAccessMap.Mode</a></td> |
| <td class="colLast"> |
| <div class="block">Access mode.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="异常错误概要表, 列表异常错误和解释"> |
| <caption><span>异常错误概要</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">异常错误</th> |
| <th class="colLast" scope="col">说明</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/RelOptPlanner.CannotPlanException.html" title="org.apache.calcite.plan中的类">RelOptPlanner.CannotPlanException</a></td> |
| <td class="colLast"> |
| <div class="block">Thrown by <a href="../../../../org/apache/calcite/plan/RelOptPlanner.html#findBestExp--"><code>RelOptPlanner.findBestExp()</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../org/apache/calcite/plan/SubstitutionVisitor.MatchFailed.html" title="org.apache.calcite.plan中的类">SubstitutionVisitor.MatchFailed</a></td> |
| <td class="colLast"> |
| <div class="block">Exception thrown to exit a matcher.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| </ul> |
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| </a> |
| <h2 title="程序包org.apache.calcite.plan的说明">程序包org.apache.calcite.plan的说明</h2> |
| <div class="block">Defines interfaces for constructing rule-based optimizers of |
| relational expressions.</div> |
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