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<div class="subTitle">org.apache.calcite.sql</div>
<h2 title="类 SqlCollectionTypeNameSpec" class="title">类 SqlCollectionTypeNameSpec</h2>
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<li><a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html" title="org.apache.calcite.sql中的类">org.apache.calcite.sql.SqlTypeNameSpec</a></li>
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<li>org.apache.calcite.sql.SqlCollectionTypeNameSpec</li>
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<pre>public class <span class="typeNameLabel">SqlCollectionTypeNameSpec</span>
extends <a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html" title="org.apache.calcite.sql中的类">SqlTypeNameSpec</a></pre>
<div class="block">A sql type name specification of collection type.
<p>The grammar definition in SQL-2011 IWD 9075-2:201?(E)
6.1 &lt;collection type&gt; is as following:
<blockquote><pre>
&lt;collection type&gt; ::=
&lt;array type&gt;
| &lt;multiset type&gt;
&lt;array type&gt; ::=
&lt;data type&gt; ARRAY
[ &lt;left bracket or trigraph&gt;
&lt;maximum cardinality&gt;
&lt;right bracket or trigraph&gt; ]
&lt;maximum cardinality&gt; ::=
&lt;unsigned integer&gt;
&lt;multiset type&gt; ::=
&lt;data type&gt; MULTISET
</pre></blockquote>
<p>This class is intended to describe SQL collection type. It can describe
either simple collection type like "int array" or nested collection type like
"int array array" or "int array multiset". For nested collection type, the element type
name of this <code>SqlCollectionTypeNameSpec</code> is also a <code>SqlCollectionTypeNameSpec</code>.</div>
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<h3>构造器概要</h3>
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<caption><span>构造器</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">构造器和说明</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlCollectionTypeNameSpec.html#SqlCollectionTypeNameSpec-org.apache.calcite.sql.SqlTypeNameSpec-org.apache.calcite.sql.type.SqlTypeName-org.apache.calcite.sql.parser.SqlParserPos-">SqlCollectionTypeNameSpec</a></span>(<a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html" title="org.apache.calcite.sql中的类">SqlTypeNameSpec</a>&nbsp;elementTypeName,
<a href="../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="org.apache.calcite.sql.type中的枚举">SqlTypeName</a>&nbsp;collectionTypeName,
<a href="../../../../org/apache/calcite/sql/parser/SqlParserPos.html" title="org.apache.calcite.sql.parser中的类">SqlParserPos</a>&nbsp;pos)</code>
<div class="block">Creates a <code>SqlCollectionTypeNameSpec</code>.</div>
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<h3>方法概要</h3>
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<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">方法和说明</th>
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<td class="colFirst"><code><a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlCollectionTypeNameSpec.html#deriveType-org.apache.calcite.sql.validate.SqlValidator-">deriveType</a></span>(<a href="../../../../org/apache/calcite/sql/validate/SqlValidator.html" title="org.apache.calcite.sql.validate中的接口">SqlValidator</a>&nbsp;validator)</code>
<div class="block">Derive type from this SqlTypeNameSpec.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlCollectionTypeNameSpec.html#equalsDeep-org.apache.calcite.sql.SqlTypeNameSpec-org.apache.calcite.util.Litmus-">equalsDeep</a></span>(<a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html" title="org.apache.calcite.sql中的类">SqlTypeNameSpec</a>&nbsp;spec,
<a href="../../../../org/apache/calcite/util/Litmus.html" title="org.apache.calcite.util中的接口">Litmus</a>&nbsp;litmus)</code>
<div class="block">Returns whether this spec is structurally equivalent to another spec.</div>
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</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html" title="org.apache.calcite.sql中的类">SqlTypeNameSpec</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlCollectionTypeNameSpec.html#getElementTypeName--">getElementTypeName</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/sql/SqlCollectionTypeNameSpec.html#unparse-org.apache.calcite.sql.SqlWriter-int-int-">unparse</a></span>(<a href="../../../../org/apache/calcite/sql/SqlWriter.html" title="org.apache.calcite.sql中的接口">SqlWriter</a>&nbsp;writer,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</code>
<div class="block">Writes a SQL representation of this spec to a writer.</div>
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<h3>从类继承的方法&nbsp;org.apache.calcite.sql.<a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html" title="org.apache.calcite.sql中的类">SqlTypeNameSpec</a></h3>
<code><a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html#getParserPos--">getParserPos</a>, <a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html#getTypeName--">getTypeName</a></code></li>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="java.lang中的类或接口">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="java.lang中的类或接口">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="java.lang中的类或接口">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="java.lang中的类或接口">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="java.lang中的类或接口">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="java.lang中的类或接口">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="java.lang中的类或接口">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="java.lang中的类或接口">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="java.lang中的类或接口">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="java.lang中的类或接口">wait</a></code></li>
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<h3>构造器详细资料</h3>
<a name="SqlCollectionTypeNameSpec-org.apache.calcite.sql.SqlTypeNameSpec-org.apache.calcite.sql.type.SqlTypeName-org.apache.calcite.sql.parser.SqlParserPos-">
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<h4>SqlCollectionTypeNameSpec</h4>
<pre>public&nbsp;SqlCollectionTypeNameSpec(<a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html" title="org.apache.calcite.sql中的类">SqlTypeNameSpec</a>&nbsp;elementTypeName,
<a href="../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="org.apache.calcite.sql.type中的枚举">SqlTypeName</a>&nbsp;collectionTypeName,
<a href="../../../../org/apache/calcite/sql/parser/SqlParserPos.html" title="org.apache.calcite.sql.parser中的类">SqlParserPos</a>&nbsp;pos)</pre>
<div class="block">Creates a <code>SqlCollectionTypeNameSpec</code>.</div>
<dl>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>elementTypeName</code> - Type of the collection element</dd>
<dd><code>collectionTypeName</code> - Collection type name</dd>
<dd><code>pos</code> - Parser position, must not be null</dd>
</dl>
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<h3>方法详细资料</h3>
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<h4>getElementTypeName</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html" title="org.apache.calcite.sql中的类">SqlTypeNameSpec</a>&nbsp;getElementTypeName()</pre>
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<h4>deriveType</h4>
<pre>public&nbsp;<a href="../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a>&nbsp;deriveType(<a href="../../../../org/apache/calcite/sql/validate/SqlValidator.html" title="org.apache.calcite.sql.validate中的接口">SqlValidator</a>&nbsp;validator)</pre>
<div class="block"><span class="descfrmTypeLabel">从类复制的说明:&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html#deriveType-org.apache.calcite.sql.validate.SqlValidator-">SqlTypeNameSpec</a></code></span></div>
<div class="block">Derive type from this SqlTypeNameSpec.</div>
<dl>
<dt><span class="overrideSpecifyLabel">指定者:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html#deriveType-org.apache.calcite.sql.validate.SqlValidator-">deriveType</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html" title="org.apache.calcite.sql中的类">SqlTypeNameSpec</a></code></dd>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>validator</code> - The sql validator</dd>
<dt><span class="returnLabel">返回:</span></dt>
<dd>the <code>RelDataType</code> instance, throws exception if we could not
deduce the type</dd>
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<h4>unparse</h4>
<pre>public&nbsp;void&nbsp;unparse(<a href="../../../../org/apache/calcite/sql/SqlWriter.html" title="org.apache.calcite.sql中的接口">SqlWriter</a>&nbsp;writer,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</pre>
<div class="block"><span class="descfrmTypeLabel">从类复制的说明:&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html#unparse-org.apache.calcite.sql.SqlWriter-int-int-">SqlTypeNameSpec</a></code></span></div>
<div class="block">Writes a SQL representation of this spec to a writer.</div>
<dl>
<dt><span class="overrideSpecifyLabel">指定者:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html#unparse-org.apache.calcite.sql.SqlWriter-int-int-">unparse</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html" title="org.apache.calcite.sql中的类">SqlTypeNameSpec</a></code></dd>
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<h4>equalsDeep</h4>
<pre>public&nbsp;boolean&nbsp;equalsDeep(<a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html" title="org.apache.calcite.sql中的类">SqlTypeNameSpec</a>&nbsp;spec,
<a href="../../../../org/apache/calcite/util/Litmus.html" title="org.apache.calcite.util中的接口">Litmus</a>&nbsp;litmus)</pre>
<div class="block"><span class="descfrmTypeLabel">从类复制的说明:&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html#equalsDeep-org.apache.calcite.sql.SqlTypeNameSpec-org.apache.calcite.util.Litmus-">SqlTypeNameSpec</a></code></span></div>
<div class="block">Returns whether this spec is structurally equivalent to another spec.</div>
<dl>
<dt><span class="overrideSpecifyLabel">指定者:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html#equalsDeep-org.apache.calcite.sql.SqlTypeNameSpec-org.apache.calcite.util.Litmus-">equalsDeep</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../org/apache/calcite/sql/SqlTypeNameSpec.html" title="org.apache.calcite.sql中的类">SqlTypeNameSpec</a></code></dd>
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