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| <h1 title="程序包" class="title">程序包 org.apache.calcite.linq4j.tree</h1> |
| <div class="docSummary"> |
| <div class="block">Object model for Java expressions.</div> |
| </div> |
| <p>请参阅: <a href="#package.description">说明</a></p> |
| </div> |
| <div class="contentContainer"> |
| <ul class="blockList"> |
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| <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/linq4j/tree/CallSiteBinder.html" title="org.apache.calcite.linq4j.tree中的接口">CallSiteBinder</a></td> |
| <td class="colLast"> |
| <div class="block">Creates a <a href="../../../../../org/apache/calcite/linq4j/tree/DynamicExpression.html" title="org.apache.calcite.linq4j.tree中的类"><code>DynamicExpression</code></a> that represents a dynamic operation bound |
| by the provided <code>CallSiteBinder</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Expressions.FluentList.html" title="org.apache.calcite.linq4j.tree中的接口">Expressions.FluentList</a><T></td> |
| <td class="colLast"> |
| <div class="block">Fluent list.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ExpressionVisitor.html" title="org.apache.calcite.linq4j.tree中的接口">ExpressionVisitor</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a visitor or rewriter for expression trees.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/FunctionExpression.Invokable.html" title="org.apache.calcite.linq4j.tree中的接口">FunctionExpression.Invokable</a></td> |
| <td class="colLast"> |
| <div class="block">Function that can be invoked with a variable number of arguments.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Node.html" title="org.apache.calcite.linq4j.tree中的接口">Node</a></td> |
| <td class="colLast"> |
| <div class="block">Parse tree node.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Primitive.Sink.html" title="org.apache.calcite.linq4j.tree中的接口">Primitive.Sink</a></td> |
| <td class="colLast"> |
| <div class="block">A place to send a value.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Primitive.Source.html" title="org.apache.calcite.linq4j.tree中的接口">Primitive.Source</a></td> |
| <td class="colLast"> |
| <div class="block">A place from which to read a value.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/PseudoField.html" title="org.apache.calcite.linq4j.tree中的接口">PseudoField</a></td> |
| <td class="colLast"> |
| <div class="block">Contains the parts of the <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Field.html?is-external=true" title="java.lang.reflect中的类或接口"><code>Field</code></a> class needed |
| for code generation, but might be implemented differently.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Types.RecordField.html" title="org.apache.calcite.linq4j.tree中的接口">Types.RecordField</a></td> |
| <td class="colLast"> |
| <div class="block">Field that belongs to a record.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Types.RecordType.html" title="org.apache.calcite.linq4j.tree中的接口">Types.RecordType</a></td> |
| <td class="colLast"> |
| <div class="block">Base class for record-like types that do not mapped to (currently |
| loaded) Java <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"><code>Class</code></a> objects.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Visitor.html" title="org.apache.calcite.linq4j.tree中的接口">Visitor</a><R></td> |
| <td class="colLast"> |
| <div class="block">Node visitor.</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/linq4j/tree/AbstractNode.html" title="org.apache.calcite.linq4j.tree中的类">AbstractNode</a></td> |
| <td class="colLast"> |
| <div class="block">Abstract implementation of <a href="../../../../../org/apache/calcite/linq4j/tree/Node.html" title="org.apache.calcite.linq4j.tree中的接口"><code>Node</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ArrayLengthRecordField.html" title="org.apache.calcite.linq4j.tree中的类">ArrayLengthRecordField</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a length field of a RecordType</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/BinaryExpression.html" title="org.apache.calcite.linq4j.tree中的类">BinaryExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents an expression that has a binary operator.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/BlockBuilder.html" title="org.apache.calcite.linq4j.tree中的类">BlockBuilder</a></td> |
| <td class="colLast"> |
| <div class="block">Builder for <a href="../../../../../org/apache/calcite/linq4j/tree/BlockStatement.html" title="org.apache.calcite.linq4j.tree中的类"><code>BlockStatement</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Blocks.html" title="org.apache.calcite.linq4j.tree中的类">Blocks</a></td> |
| <td class="colLast"> |
| <div class="block">Helper methods concerning <a href="../../../../../org/apache/calcite/linq4j/tree/BlockStatement.html" title="org.apache.calcite.linq4j.tree中的类"><code>BlockStatement</code></a>s.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/BlockStatement.html" title="org.apache.calcite.linq4j.tree中的类">BlockStatement</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a block that contains a sequence of expressions where variables |
| can be defined.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/CatchBlock.html" title="org.apache.calcite.linq4j.tree中的类">CatchBlock</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a catch statement in a try block.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ClassDeclaration.html" title="org.apache.calcite.linq4j.tree中的类">ClassDeclaration</a></td> |
| <td class="colLast"> |
| <div class="block">Declaration of a class.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ClassDeclarationFinder.html" title="org.apache.calcite.linq4j.tree中的类">ClassDeclarationFinder</a></td> |
| <td class="colLast"> |
| <div class="block">Entry point for optimizers that factor out deterministic expressions to |
| final static fields.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ConditionalExpression.html" title="org.apache.calcite.linq4j.tree中的类">ConditionalExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents an expression that has a conditional operator.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ConditionalStatement.html" title="org.apache.calcite.linq4j.tree中的类">ConditionalStatement</a></td> |
| <td class="colLast"> |
| <div class="block">Represents an expression that has a conditional operator.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ConstantExpression.html" title="org.apache.calcite.linq4j.tree中的类">ConstantExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents an expression that has a constant value.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ConstantUntypedNull.html" title="org.apache.calcite.linq4j.tree中的类">ConstantUntypedNull</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a constant null of unknown type |
| Java allows type inference for such nulls, thus "null" cannot always be |
| replaced to (Object)null and vise versa.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ConstructorDeclaration.html" title="org.apache.calcite.linq4j.tree中的类">ConstructorDeclaration</a></td> |
| <td class="colLast"> |
| <div class="block">Declaration of a constructor.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/DeclarationStatement.html" title="org.apache.calcite.linq4j.tree中的类">DeclarationStatement</a></td> |
| <td class="colLast"> |
| <div class="block">Expression that declares and optionally initializes a variable.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/DefaultExpression.html" title="org.apache.calcite.linq4j.tree中的类">DefaultExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents the default value of a type or an empty expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/DeterministicCodeOptimizer.html" title="org.apache.calcite.linq4j.tree中的类">DeterministicCodeOptimizer</a></td> |
| <td class="colLast"> |
| <div class="block">Factors out deterministic expressions to final static fields.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/DynamicExpression.html" title="org.apache.calcite.linq4j.tree中的类">DynamicExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a dynamic operation.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ElementInit.html" title="org.apache.calcite.linq4j.tree中的类">ElementInit</a></td> |
| <td class="colLast"> |
| <div class="block">Represents an initializer for a single element of an |
| <a href="../../../../../org/apache/calcite/linq4j/Enumerable.html" title="org.apache.calcite.linq4j中的接口"><code>Enumerable</code></a> collection.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Expression.html" title="org.apache.calcite.linq4j.tree中的类">Expression</a></td> |
| <td class="colLast"> |
| <div class="block">Analogous to LINQ's System.Linq.Expression.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Expressions.html" title="org.apache.calcite.linq4j.tree中的类">Expressions</a></td> |
| <td class="colLast"> |
| <div class="block">Utility methods for expressions, including a lot of factory methods.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/FieldDeclaration.html" title="org.apache.calcite.linq4j.tree中的类">FieldDeclaration</a></td> |
| <td class="colLast"> |
| <div class="block">Declaration of a field.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ForEachStatement.html" title="org.apache.calcite.linq4j.tree中的类">ForEachStatement</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a "for-each" loop, "for (T v : iterable) { f(v); }"</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ForStatement.html" title="org.apache.calcite.linq4j.tree中的类">ForStatement</a></td> |
| <td class="colLast"> |
| <div class="block">Represents an infinite loop.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/FunctionExpression.html" title="org.apache.calcite.linq4j.tree中的类">FunctionExpression</a><F extends <a href="../../../../../org/apache/calcite/linq4j/function/Function.html" title="org.apache.calcite.linq4j.function中的接口">Function</a><?>></td> |
| <td class="colLast"> |
| <div class="block">Represents a strongly typed lambda expression as a data structure in the form |
| of an expression tree.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/GotoStatement.html" title="org.apache.calcite.linq4j.tree中的类">GotoStatement</a></td> |
| <td class="colLast"> |
| <div class="block">Represents an unconditional jump.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/IndexExpression.html" title="org.apache.calcite.linq4j.tree中的类">IndexExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents indexing a property or array.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/InvocationExpression.html" title="org.apache.calcite.linq4j.tree中的类">InvocationExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents an expression that applies a delegate or lambda expression to a |
| list of argument expressions.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/LabelStatement.html" title="org.apache.calcite.linq4j.tree中的类">LabelStatement</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a label, which can be put in any <a href="../../../../../org/apache/calcite/linq4j/tree/Expression.html" title="org.apache.calcite.linq4j.tree中的类"><code>Expression</code></a> context.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/LabelTarget.html" title="org.apache.calcite.linq4j.tree中的类">LabelTarget</a></td> |
| <td class="colLast"> |
| <div class="block">Used to represent the target of a <a href="../../../../../org/apache/calcite/linq4j/tree/GotoStatement.html" title="org.apache.calcite.linq4j.tree中的类"><code>GotoStatement</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/LambdaExpression.html" title="org.apache.calcite.linq4j.tree中的类">LambdaExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Describes a lambda expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ListInitExpression.html" title="org.apache.calcite.linq4j.tree中的类">ListInitExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a constructor call that has a collection initializer.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/MemberAssignment.html" title="org.apache.calcite.linq4j.tree中的类">MemberAssignment</a></td> |
| <td class="colLast"> |
| <div class="block">Represents assignment operation for a field or property of an object.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/MemberBinding.html" title="org.apache.calcite.linq4j.tree中的类">MemberBinding</a></td> |
| <td class="colLast"> |
| <div class="block">Provides the base class from which the classes that represent bindings that |
| are used to initialize members of a newly created object derive.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/MemberDeclaration.html" title="org.apache.calcite.linq4j.tree中的类">MemberDeclaration</a></td> |
| <td class="colLast"> |
| <div class="block">Declaration of a member of a class.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/MemberExpression.html" title="org.apache.calcite.linq4j.tree中的类">MemberExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents accessing a field or property.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/MemberInitExpression.html" title="org.apache.calcite.linq4j.tree中的类">MemberInitExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents calling a constructor and initializing one or more members of the |
| new object.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/MemberListBinding.html" title="org.apache.calcite.linq4j.tree中的类">MemberListBinding</a></td> |
| <td class="colLast"> |
| <div class="block">Represents initializing the elements of a collection member of a newly |
| created object.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/MemberMemberBinding.html" title="org.apache.calcite.linq4j.tree中的类">MemberMemberBinding</a></td> |
| <td class="colLast"> |
| <div class="block">Represents initializing members of a member of a newly created object.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/MethodCallExpression.html" title="org.apache.calcite.linq4j.tree中的类">MethodCallExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a call to either a static or an instance method.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/MethodDeclaration.html" title="org.apache.calcite.linq4j.tree中的类">MethodDeclaration</a></td> |
| <td class="colLast"> |
| <div class="block">Declaration of a method.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/NewArrayExpression.html" title="org.apache.calcite.linq4j.tree中的类">NewArrayExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents creating a new array and possibly initializing the elements of the |
| new array.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/NewExpression.html" title="org.apache.calcite.linq4j.tree中的类">NewExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a constructor call.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/OptimizeShuttle.html" title="org.apache.calcite.linq4j.tree中的类">OptimizeShuttle</a></td> |
| <td class="colLast"> |
| <div class="block">Shuttle that optimizes expressions.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ParameterExpression.html" title="org.apache.calcite.linq4j.tree中的类">ParameterExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a named parameter expression.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ReflectedPseudoField.html" title="org.apache.calcite.linq4j.tree中的类">ReflectedPseudoField</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a PseudoField that is implemented via java reflection Field</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Shuttle.html" title="org.apache.calcite.linq4j.tree中的类">Shuttle</a></td> |
| <td class="colLast"> |
| <div class="block">Extension to <a href="../../../../../org/apache/calcite/linq4j/tree/Visitor.html" title="org.apache.calcite.linq4j.tree中的接口"><code>Visitor</code></a> that returns a mutated tree.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Statement.html" title="org.apache.calcite.linq4j.tree中的类">Statement</a></td> |
| <td class="colLast"> |
| <div class="block">Statement.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/SwitchCase.html" title="org.apache.calcite.linq4j.tree中的类">SwitchCase</a></td> |
| <td class="colLast"> |
| <div class="block">Represents one case of a <a href="../../../../../org/apache/calcite/linq4j/tree/SwitchStatement.html" title="org.apache.calcite.linq4j.tree中的类"><code>SwitchStatement</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/SwitchStatement.html" title="org.apache.calcite.linq4j.tree中的类">SwitchStatement</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a control expression that handles multiple selections by passing |
| control to <a href="../../../../../org/apache/calcite/linq4j/tree/SwitchCase.html" title="org.apache.calcite.linq4j.tree中的类"><code>SwitchCase</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/TernaryExpression.html" title="org.apache.calcite.linq4j.tree中的类">TernaryExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents an expression that has a ternary operator.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/ThrowStatement.html" title="org.apache.calcite.linq4j.tree中的类">ThrowStatement</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a <code>throw</code> statement.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/TryStatement.html" title="org.apache.calcite.linq4j.tree中的类">TryStatement</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a <code>try ... catch ... finally</code> block.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/TypeBinaryExpression.html" title="org.apache.calcite.linq4j.tree中的类">TypeBinaryExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents an operation between an expression and a type.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Types.html" title="org.apache.calcite.linq4j.tree中的类">Types</a></td> |
| <td class="colLast"> |
| <div class="block">Utilities for converting between <a href="../../../../../org/apache/calcite/linq4j/tree/Expression.html" title="org.apache.calcite.linq4j.tree中的类"><code>Expression</code></a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/reflect/Type.html?is-external=true" title="java.lang.reflect中的类或接口"><code>Type</code></a> and |
| <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"><code>Class</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Types.ArrayType.html" title="org.apache.calcite.linq4j.tree中的类">Types.ArrayType</a></td> |
| <td class="colLast"> |
| <div class="block">Array type.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Types.MapType.html" title="org.apache.calcite.linq4j.tree中的类">Types.MapType</a></td> |
| <td class="colLast"> |
| <div class="block">Map type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/UnaryExpression.html" title="org.apache.calcite.linq4j.tree中的类">UnaryExpression</a></td> |
| <td class="colLast"> |
| <div class="block">Represents an expression that has a unary operator.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/VisitorImpl.html" title="org.apache.calcite.linq4j.tree中的类">VisitorImpl</a><R></td> |
| <td class="colLast"> |
| <div class="block">Default implementation of <a href="../../../../../org/apache/calcite/linq4j/tree/Visitor.html" title="org.apache.calcite.linq4j.tree中的接口"><code>Visitor</code></a>, which traverses a tree but does |
| nothing.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/WhileStatement.html" title="org.apache.calcite.linq4j.tree中的类">WhileStatement</a></td> |
| <td class="colLast"> |
| <div class="block">Represents a "while" statement.</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/linq4j/tree/ExpressionType.html" title="org.apache.calcite.linq4j.tree中的枚举">ExpressionType</a></td> |
| <td class="colLast"> |
| <div class="block">Analogous to LINQ's System.Linq.Expressions.ExpressionType.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/GotoExpressionKind.html" title="org.apache.calcite.linq4j.tree中的枚举">GotoExpressionKind</a></td> |
| <td class="colLast"> |
| <div class="block">Specifies what kind of jump a <a href="../../../../../org/apache/calcite/linq4j/tree/GotoStatement.html" title="org.apache.calcite.linq4j.tree中的类"><code>GotoStatement</code></a> represents.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Primitive.html" title="org.apache.calcite.linq4j.tree中的枚举">Primitive</a></td> |
| <td class="colLast"> |
| <div class="block">Enumeration of Java's primitive types.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/linq4j/tree/Primitive.Flavor.html" title="org.apache.calcite.linq4j.tree中的枚举">Primitive.Flavor</a></td> |
| <td class="colLast"> |
| <div class="block">What kind of type?</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
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| <h2 title="程序包org.apache.calcite.linq4j.tree的说明">程序包org.apache.calcite.linq4j.tree的说明</h2> |
| <div class="block">Object model for Java expressions. |
| |
| <p>This object model is used when the linq4j system is analyzing |
| queries that have been submitted using methods on the |
| <a href="../../../../../org/apache/calcite/linq4j/Queryable.html" title="org.apache.calcite.linq4j中的接口"><code>Queryable</code></a> interface. The system attempts |
| to understand the intent of the query and reorganize it for |
| efficiency; for example, it may attempt to push down filters to the |
| source SQL system.</p></div> |
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