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<h1 title="程序包" class="title">程序包&nbsp;org.apache.calcite.linq4j</h1>
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<div class="block">Language-integrated query for Java (linq4j) main package.</div>
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<th class="colFirst" scope="col">接口</th>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/Enumerable.html" title="org.apache.calcite.linq4j中的接口">Enumerable</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Exposes the enumerator, which supports a simple iteration over a collection.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/Enumerator.html" title="org.apache.calcite.linq4j中的接口">Enumerator</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Supports a simple iteration over a collection.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/ExtendedEnumerable.html" title="org.apache.calcite.linq4j中的接口">ExtendedEnumerable</a>&lt;TSource&gt;</td>
<td class="colLast">
<div class="block">Extension methods in <a href="../../../../org/apache/calcite/linq4j/Enumerable.html" title="org.apache.calcite.linq4j中的接口"><code>Enumerable</code></a>.</div>
</td>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/ExtendedOrderedEnumerable.html" title="org.apache.calcite.linq4j中的接口">ExtendedOrderedEnumerable</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Extension methods for <a href="../../../../org/apache/calcite/linq4j/OrderedEnumerable.html" title="org.apache.calcite.linq4j中的接口"><code>OrderedEnumerable</code></a>.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/ExtendedOrderedQueryable.html" title="org.apache.calcite.linq4j中的接口">ExtendedOrderedQueryable</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Extension methods for <a href="../../../../org/apache/calcite/linq4j/OrderedQueryable.html" title="org.apache.calcite.linq4j中的接口"><code>OrderedQueryable</code></a>.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/Grouping.html" title="org.apache.calcite.linq4j中的接口">Grouping</a>&lt;K,V&gt;</td>
<td class="colLast">
<div class="block">Represents a collection of objects that have a common key.</div>
</td>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/Lookup.html" title="org.apache.calcite.linq4j中的接口">Lookup</a>&lt;K,V&gt;</td>
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<div class="block">Represents a collection of keys each mapped to one or more values.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/OrderedEnumerable.html" title="org.apache.calcite.linq4j中的接口">OrderedEnumerable</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Represents the result of applying a sorting operation to an
<a href="../../../../org/apache/calcite/linq4j/Enumerable.html" title="org.apache.calcite.linq4j中的接口"><code>Enumerable</code></a>.</div>
</td>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/OrderedQueryable.html" title="org.apache.calcite.linq4j中的接口">OrderedQueryable</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Represents the result of applying a sorting operation to a <a href="../../../../org/apache/calcite/linq4j/Queryable.html" title="org.apache.calcite.linq4j中的接口"><code>Queryable</code></a>.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/Queryable.html" title="org.apache.calcite.linq4j中的接口">Queryable</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Provides functionality to evaluate queries against a specific data source
wherein the type of the data is known.</div>
</td>
</tr>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/QueryableDefaults.Replayable.html" title="org.apache.calcite.linq4j中的接口">QueryableDefaults.Replayable</a>&lt;T&gt;</td>
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<div class="block">Replayable.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/QueryableFactory.html" title="org.apache.calcite.linq4j中的接口">QueryableFactory</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Factory for building <a href="../../../../org/apache/calcite/linq4j/Queryable.html" title="org.apache.calcite.linq4j中的接口"><code>Queryable</code></a> objects.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/QueryProvider.html" title="org.apache.calcite.linq4j中的接口">QueryProvider</a></td>
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<div class="block">Defines methods to create and execute queries that are described by a
<a href="../../../../org/apache/calcite/linq4j/Queryable.html" title="org.apache.calcite.linq4j中的接口"><code>Queryable</code></a> object.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/RawEnumerable.html" title="org.apache.calcite.linq4j中的接口">RawEnumerable</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Exposes the enumerator, which supports a simple iteration over a collection,
without the extension methods.</div>
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</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/RawQueryable.html" title="org.apache.calcite.linq4j中的接口">RawQueryable</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Core methods that define a <a href="../../../../org/apache/calcite/linq4j/Queryable.html" title="org.apache.calcite.linq4j中的接口"><code>Queryable</code></a>.</div>
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<th class="colFirst" scope="col">类</th>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/AbstractEnumerable.html" title="org.apache.calcite.linq4j中的类">AbstractEnumerable</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Abstract implementation of the <a href="../../../../org/apache/calcite/linq4j/Enumerable.html" title="org.apache.calcite.linq4j中的接口"><code>Enumerable</code></a> interface that
implements the extension methods.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/AbstractEnumerable2.html" title="org.apache.calcite.linq4j中的类">AbstractEnumerable2</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Abstract implementation of the <a href="../../../../org/apache/calcite/linq4j/Enumerable.html" title="org.apache.calcite.linq4j中的接口"><code>Enumerable</code></a>
interface that implements the extension methods.</div>
</td>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/AbstractQueryable.html" title="org.apache.calcite.linq4j中的类">AbstractQueryable</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Abstract implementation of the <a href="../../../../org/apache/calcite/linq4j/Queryable.html" title="org.apache.calcite.linq4j中的接口"><code>Queryable</code></a> interface that implements
the extension methods.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/BaseQueryable.html" title="org.apache.calcite.linq4j中的类">BaseQueryable</a>&lt;TSource&gt;</td>
<td class="colLast">
<div class="block">Skeleton implementation of <a href="../../../../org/apache/calcite/linq4j/Queryable.html" title="org.apache.calcite.linq4j中的接口"><code>Queryable</code></a>.</div>
</td>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/CartesianProductEnumerator.html" title="org.apache.calcite.linq4j中的类">CartesianProductEnumerator</a>&lt;T,E&gt;</td>
<td class="colLast">
<div class="block">Enumerator over the cartesian product of enumerators.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/DefaultEnumerable.html" title="org.apache.calcite.linq4j中的类">DefaultEnumerable</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Implementation of the <a href="../../../../org/apache/calcite/linq4j/Enumerable.html" title="org.apache.calcite.linq4j中的接口"><code>Enumerable</code></a> interface
that implements the extension methods by calling into the <a href="../../../../org/apache/calcite/linq4j/Extensions.html" title="org.apache.calcite.linq4j中的类"><code>Extensions</code></a>
class.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/DelegatingEnumerator.html" title="org.apache.calcite.linq4j中的类">DelegatingEnumerator</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Simple enumerator that just delegates all calls to the passed enumerator.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/EnumerableDefaults.html" title="org.apache.calcite.linq4j中的类">EnumerableDefaults</a></td>
<td class="colLast">
<div class="block">Default implementations of methods in the <a href="../../../../org/apache/calcite/linq4j/Enumerable.html" title="org.apache.calcite.linq4j中的接口"><code>Enumerable</code></a> interface.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/Extensions.html" title="org.apache.calcite.linq4j中的类">Extensions</a></td>
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<div class="block">Contains what, in LINQ.NET, would be extension methods.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/Linq4j.html" title="org.apache.calcite.linq4j中的类">Linq4j</a></td>
<td class="colLast">
<div class="block">Utility and factory methods for Linq4j.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/MemoryEnumerable.html" title="org.apache.calcite.linq4j中的类">MemoryEnumerable</a>&lt;E&gt;</td>
<td class="colLast">
<div class="block">Enumerable that has a (limited) memory for n past and m future steps.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/MemoryEnumerator.html" title="org.apache.calcite.linq4j中的类">MemoryEnumerator</a>&lt;E&gt;</td>
<td class="colLast">
<div class="block">Enumerator that keeps some recent and some "future" values.</div>
</td>
</tr>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/MemoryFactory.html" title="org.apache.calcite.linq4j中的类">MemoryFactory</a>&lt;E&gt;</td>
<td class="colLast">
<div class="block">Contains the State and changes internally.</div>
</td>
</tr>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/MemoryFactory.Memory.html" title="org.apache.calcite.linq4j中的类">MemoryFactory.Memory</a>&lt;E&gt;</td>
<td class="colLast">
<div class="block">Contents of a "memory segment", used for implementing the
<code>MATCH_RECOGNIZE</code> operator.</div>
</td>
</tr>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/Ord.html" title="org.apache.calcite.linq4j中的类">Ord</a>&lt;E&gt;</td>
<td class="colLast">
<div class="block">Pair of an element and an ordinal.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/QueryableDefaults.html" title="org.apache.calcite.linq4j中的类">QueryableDefaults</a></td>
<td class="colLast">
<div class="block">Default implementations for methods in the <a href="../../../../org/apache/calcite/linq4j/Queryable.html" title="org.apache.calcite.linq4j中的接口"><code>Queryable</code></a> interface.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/QueryableDefaults.NonLeafReplayableQueryable.html" title="org.apache.calcite.linq4j中的类">QueryableDefaults.NonLeafReplayableQueryable</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Non-leaf replayable queryable.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/QueryableDefaults.ReplayableQueryable.html" title="org.apache.calcite.linq4j中的类">QueryableDefaults.ReplayableQueryable</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Replayable queryable.</div>
</td>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/QueryableRecorder.html" title="org.apache.calcite.linq4j中的类">QueryableRecorder</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Implementation of <a href="../../../../org/apache/calcite/linq4j/QueryableFactory.html" title="org.apache.calcite.linq4j中的接口"><code>QueryableFactory</code></a> that records each event
and returns an object that can replay the event when you call its
<a href="../../../../org/apache/calcite/linq4j/QueryableDefaults.ReplayableQueryable.html#replay-org.apache.calcite.linq4j.QueryableFactory-"><code>QueryableDefaults.ReplayableQueryable.replay(QueryableFactory)</code></a>
method.</div>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/QueryProviderImpl.html" title="org.apache.calcite.linq4j中的类">QueryProviderImpl</a></td>
<td class="colLast">
<div class="block">Partial implementation of <a href="../../../../org/apache/calcite/linq4j/QueryProvider.html" title="org.apache.calcite.linq4j中的接口"><code>QueryProvider</code></a>.</div>
</td>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/QueryProviderImpl.QueryableImpl.html" title="org.apache.calcite.linq4j中的类">QueryProviderImpl.QueryableImpl</a>&lt;T&gt;</td>
<td class="colLast">
<div class="block">Binds an expression to this query provider.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/TransformedEnumerator.html" title="org.apache.calcite.linq4j中的类">TransformedEnumerator</a>&lt;F,E&gt;</td>
<td class="colLast">
<div class="block">Enumerator that applies a transform to each value from a backing
enumerator.</div>
</td>
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<tr>
<th class="colFirst" scope="col">枚举</th>
<th class="colLast" scope="col">说明</th>
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<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/JoinType.html" title="org.apache.calcite.linq4j中的枚举">JoinType</a></td>
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<div class="block">Enumeration of join types.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../org/apache/calcite/linq4j/OpType.html" title="org.apache.calcite.linq4j中的枚举">OpType</a></td>
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<div class="block">Operator type.</div>
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