apidocs/javadocAggregate/org/apache/calcite/rel/type/RelRecordType.html - calcite-site - Git at Google

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 <div class="subTitle">org.apache.calcite.rel.type</div>
 <h2 title="类 RelRecordType" class="title">类 RelRecordType</h2>
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 <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>
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 <ul class="inheritance">
 <li><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html" title="org.apache.calcite.rel.type中的类">org.apache.calcite.rel.type.RelDataTypeImpl</a></li>
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 <li>org.apache.calcite.rel.type.RelRecordType</li>
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 <dt>所有已实现的接口:</dt>
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 </dl>
 <dl>
 <dt>直接已知子类:</dt>
 <dd><a href="../../../../../org/apache/calcite/jdbc/JavaRecordType.html" title="org.apache.calcite.jdbc中的类">JavaRecordType</a></dd>
 </dl>
 <hr>
 <br>
 <pre>public class <span class="typeNameLabel">RelRecordType</span>
 extends <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html" title="org.apache.calcite.rel.type中的类">RelDataTypeImpl</a>
 implements <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="java.io中的类或接口">Serializable</a></pre>
 <div class="block">RelRecordType represents a structured type having named fields.</div>
 <dl>
 <dt><span class="seeLabel">另请参阅:</span></dt>
 <dd><a href="../../../../../serialized-form.html#org.apache.calcite.rel.type.RelRecordType">序列化表格</a></dd>
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 <h3>从类继承的字段&nbsp;org.apache.calcite.rel.type.<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html" title="org.apache.calcite.rel.type中的类">RelDataTypeImpl</a></h3>
 <code><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#digest">digest</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#fieldList">fieldList</a></code></li>
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 <h3>从接口继承的字段&nbsp;org.apache.calcite.rel.type.<a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a></h3>
 <code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html#PRECISION_NOT_SPECIFIED">PRECISION_NOT_SPECIFIED</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html#SCALE_NOT_SPECIFIED">SCALE_NOT_SPECIFIED</a></code></li>
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 <th class="colOne" scope="col">构造器和说明</th>
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 <tr class="altColor">
 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelRecordType.html#RelRecordType-java.util.List-">RelRecordType</a></span>(<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>&lt;<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeField.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeField</a>&gt;&nbsp;fields)</code>
 <div class="block">Creates a <code>RecordType</code>.</div>
 </td>
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 <tr class="rowColor">
 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelRecordType.html#RelRecordType-org.apache.calcite.rel.type.StructKind-java.util.List-">RelRecordType</a></span>(<a href="../../../../../org/apache/calcite/rel/type/StructKind.html" title="org.apache.calcite.rel.type中的枚举">StructKind</a>&nbsp;kind,
              <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>&lt;<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeField.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeField</a>&gt;&nbsp;fields)</code>
 <div class="block">Creates a <code>RecordType</code>.</div>
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 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelRecordType.html#RelRecordType-org.apache.calcite.rel.type.StructKind-java.util.List-boolean-">RelRecordType</a></span>(<a href="../../../../../org/apache/calcite/rel/type/StructKind.html" title="org.apache.calcite.rel.type中的枚举">StructKind</a>&nbsp;kind,
              <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>&lt;<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeField.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeField</a>&gt;&nbsp;fields,
              boolean&nbsp;nullable)</code>
 <div class="block">Creates a <code>RecordType</code>.</div>
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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>protected void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelRecordType.html#generateTypeString-java.lang.StringBuilder-boolean-">generateTypeString</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="java.lang中的类或接口">StringBuilder</a>&nbsp;sb,
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 <div class="block">Generates a string representation of this type.</div>
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 <td class="colFirst"><code>int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelRecordType.html#getPrecision--">getPrecision</a></span>()</code>
 <div class="block">Gets the JDBC-defined precision for values of this type.</div>
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 <td class="colFirst"><code><a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="org.apache.calcite.sql.type中的枚举">SqlTypeName</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelRecordType.html#getSqlTypeName--">getSqlTypeName</a></span>()</code>
 <div class="block">Gets the <a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="org.apache.calcite.sql.type中的枚举"><code>SqlTypeName</code></a> of this type.</div>
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 <td class="colFirst"><code><a href="../../../../../org/apache/calcite/rel/type/StructKind.html" title="org.apache.calcite.rel.type中的枚举">StructKind</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelRecordType.html#getStructKind--">getStructKind</a></span>()</code>
 <div class="block">Returns the rule for resolving the fields of a structured type,
  or <a href="../../../../../org/apache/calcite/rel/type/StructKind.html#NONE"><code>StructKind.NONE</code></a> if this is not a structured type.</div>
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 <td class="colFirst"><code>boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/rel/type/RelRecordType.html#isNullable--">isNullable</a></span>()</code>
 <div class="block">Queries whether this type allows null values.</div>
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 <code><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#computeDigest--">computeDigest</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#equals-java.lang.Object-">equals</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#extra-org.apache.calcite.rel.type.RelDataType-">extra</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getCharset--">getCharset</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getCollation--">getCollation</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getComparability--">getComparability</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getComponentType--">getComponentType</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getFamily--">getFamily</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getField-java.lang.String-boolean-boolean-">getField</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getFieldCount--">getFieldCount</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getFieldList--">getFieldList</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getFieldNames--">getFieldNames</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getFullTypeString--">getFullTypeString</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getIntervalQualifier--">getIntervalQualifier</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getKeyType--">getKeyType</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getPrecedenceList--">getPrecedenceList</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getScale--">getScale</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getSqlIdentifier--">getSqlIdentifier</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getValueType--">getValueType</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#hashCode--">hashCode</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#isDynamicStruct--">isDynamicStruct</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#isStruct--">isStruct</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#proto-org.apache.calcite.rel.type.RelDataType-">proto</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#proto-org.apache.calcite.sql.type.SqlTypeName-boolean-">proto</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#proto-org.apache.calcite.sql.type.SqlTypeName-int-boolean-">proto</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#proto-org.apache.calcite.sql.type.SqlTypeName-int-int-boolean-">proto</a>, <a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#toString--">toString</a></code></li>
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 <h3>构造器详细资料</h3>
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 <pre>public&nbsp;RelRecordType(<a href="../../../../../org/apache/calcite/rel/type/StructKind.html" title="org.apache.calcite.rel.type中的枚举">StructKind</a>&nbsp;kind,
                      <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>&lt;<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeField.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeField</a>&gt;&nbsp;fields,
                      boolean&nbsp;nullable)</pre>
 <div class="block">Creates a <code>RecordType</code>. This should only be called from a
  factory method.</div>
 <dl>
 <dt><span class="paramLabel">参数:</span></dt>
 <dd><code>kind</code> - Name resolution policy</dd>
 <dd><code>fields</code> - List of fields</dd>
 <dd><code>nullable</code> - Whether this record type allows null values</dd>
 </dl>
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 <pre>public&nbsp;RelRecordType(<a href="../../../../../org/apache/calcite/rel/type/StructKind.html" title="org.apache.calcite.rel.type中的枚举">StructKind</a>&nbsp;kind,
                      <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>&lt;<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeField.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeField</a>&gt;&nbsp;fields)</pre>
 <div class="block">Creates a <code>RecordType</code>. This should only be called from a
  factory method.
  Shorthand for <code>RelRecordType(kind, fields, false)</code>.</div>
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 <h4>RelRecordType</h4>
 <pre>public&nbsp;RelRecordType(<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>&lt;<a href="../../../../../org/apache/calcite/rel/type/RelDataTypeField.html" title="org.apache.calcite.rel.type中的接口">RelDataTypeField</a>&gt;&nbsp;fields)</pre>
 <div class="block">Creates a <code>RecordType</code>. This should only be called from a
  factory method.
  Shorthand for <code>RelRecordType(StructKind.FULLY_QUALIFIED, fields, false)</code>.</div>
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 <h4>getSqlTypeName</h4>
 <pre>public&nbsp;<a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="org.apache.calcite.sql.type中的枚举">SqlTypeName</a>&nbsp;getSqlTypeName()</pre>
 <div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&nbsp;<code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html#getSqlTypeName--">RelDataType</a></code></span></div>
 <div class="block">Gets the <a href="../../../../../org/apache/calcite/sql/type/SqlTypeName.html" title="org.apache.calcite.sql.type中的枚举"><code>SqlTypeName</code></a> of this type.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">指定者:</span></dt>
 <dd><code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html#getSqlTypeName--">getSqlTypeName</a></code>&nbsp;在接口中&nbsp;<code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a></code></dd>
 <dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
 <dd><code><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getSqlTypeName--">getSqlTypeName</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html" title="org.apache.calcite.rel.type中的类">RelDataTypeImpl</a></code></dd>
 <dt><span class="returnLabel">返回:</span></dt>
 <dd>SqlTypeName, or null if this is not an SQL predefined type</dd>
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 <pre>public&nbsp;boolean&nbsp;isNullable()</pre>
 <div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&nbsp;<code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html#isNullable--">RelDataType</a></code></span></div>
 <div class="block">Queries whether this type allows null values.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">指定者:</span></dt>
 <dd><code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html#isNullable--">isNullable</a></code>&nbsp;在接口中&nbsp;<code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a></code></dd>
 <dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
 <dd><code><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#isNullable--">isNullable</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html" title="org.apache.calcite.rel.type中的类">RelDataTypeImpl</a></code></dd>
 <dt><span class="returnLabel">返回:</span></dt>
 <dd>whether type allows null values</dd>
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 <div class="block">Gets the JDBC-defined precision for values of this type. Note that this
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  <p>Returns <a href="../../../../../org/apache/calcite/rel/type/RelDataType.html#PRECISION_NOT_SPECIFIED"><code>RelDataType.PRECISION_NOT_SPECIFIED</code></a> (-1) if precision is not
  applicable for this type.</p></div>
 <dl>
 <dt><span class="overrideSpecifyLabel">指定者:</span></dt>
 <dd><code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html#getPrecision--">getPrecision</a></code>&nbsp;在接口中&nbsp;<code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a></code></dd>
 <dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
 <dd><code><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getPrecision--">getPrecision</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html" title="org.apache.calcite.rel.type中的类">RelDataTypeImpl</a></code></dd>
 <dt><span class="returnLabel">返回:</span></dt>
 <dd>number of decimal digits for exact numeric types; number of
  decimal digits in mantissa for approximate numeric types; number of
  decimal digits for fractional seconds of datetime types; length in
  characters for character types; length in bytes for binary types; length
  in bits for bit types; 1 for BOOLEAN; -1 if precision is not valid for
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 <pre>public&nbsp;<a href="../../../../../org/apache/calcite/rel/type/StructKind.html" title="org.apache.calcite.rel.type中的枚举">StructKind</a>&nbsp;getStructKind()</pre>
 <div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&nbsp;<code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html#getStructKind--">RelDataType</a></code></span></div>
 <div class="block">Returns the rule for resolving the fields of a structured type,
  or <a href="../../../../../org/apache/calcite/rel/type/StructKind.html#NONE"><code>StructKind.NONE</code></a> if this is not a structured type.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">指定者:</span></dt>
 <dd><code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html#getStructKind--">getStructKind</a></code>&nbsp;在接口中&nbsp;<code><a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="org.apache.calcite.rel.type中的接口">RelDataType</a></code></dd>
 <dt><span class="overrideSpecifyLabel">覆盖:</span></dt>
 <dd><code><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#getStructKind--">getStructKind</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html" title="org.apache.calcite.rel.type中的类">RelDataTypeImpl</a></code></dd>
 <dt><span class="returnLabel">返回:</span></dt>
 <dd>the StructKind that determines how this type's fields are resolved</dd>
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 <div class="block"><span class="descfrmTypeLabel">从类复制的说明:&nbsp;<code><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#generateTypeString-java.lang.StringBuilder-boolean-">RelDataTypeImpl</a></code></span></div>
 <div class="block">Generates a string representation of this type.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">指定者:</span></dt>
 <dd><code><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html#generateTypeString-java.lang.StringBuilder-boolean-">generateTypeString</a></code>&nbsp;在类中&nbsp;<code><a href="../../../../../org/apache/calcite/rel/type/RelDataTypeImpl.html" title="org.apache.calcite.rel.type中的类">RelDataTypeImpl</a></code></dd>
 <dt><span class="paramLabel">参数:</span></dt>
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 <dd><code>withDetail</code> - when true, all detail information needed to compute a
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