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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.rel.type</a></div> |
| <h1 title="Class RelDataTypeImpl" class="title">Class RelDataTypeImpl</h1> |
| </div> |
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| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a> |
| <div class="inheritance">org.apache.calcite.rel.type.RelDataTypeImpl</div> |
| </div> |
| <section class="description"> |
| <dl> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code>, <code><a href="RelDataTypeFamily.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFamily</a></code></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="../../sql/type/AbstractSqlType.html" title="class in org.apache.calcite.sql.type">AbstractSqlType</a></code>, <code><a href="DynamicRecordType.html" title="class in org.apache.calcite.rel.type">DynamicRecordType</a></code>, <code><a href="RelCrossType.html" title="class in org.apache.calcite.rel.type">RelCrossType</a></code>, <code><a href="RelDataTypeFactoryImpl.JavaType.html" title="class in org.apache.calcite.rel.type">RelDataTypeFactoryImpl.JavaType</a></code>, <code><a href="RelRecordType.html" title="class in org.apache.calcite.rel.type">RelRecordType</a></code></dd> |
| </dl> |
| <hr> |
| <pre>public abstract class <span class="typeNameLabel">RelDataTypeImpl</span> |
| extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> |
| implements <a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>, <a href="RelDataTypeFamily.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFamily</a></pre> |
| <div class="block">RelDataTypeImpl is an abstract base for implementations of |
| <a href="RelDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelDataType</code></a>. |
| |
| <p>Identity is based upon the <a href="#digest"><code>digest</code></a> field, which each derived class |
| should set during construction.</p></div> |
| </section> |
| <section class="summary"> |
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| <!-- =========== FIELD SUMMARY =========== --> |
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| <h2>Field Summary</h2> |
| <div class="memberSummary"> |
| <table> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#digest">digest</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#fieldList">fieldList</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <div class="inheritedList"> |
| <h3>Fields inherited from interface org.apache.calcite.rel.type.<a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></h3> |
| <a id="fields.inherited.from.class.org.apache.calcite.rel.type.RelDataType"> |
| <!-- --> |
| </a><code><a href="RelDataType.html#PRECISION_NOT_SPECIFIED">PRECISION_NOT_SPECIFIED</a>, <a href="RelDataType.html#SCALE_NOT_SPECIFIED">SCALE_NOT_SPECIFIED</a></code></div> |
| </section> |
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| <h2>Constructor Summary</h2> |
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| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier</th> |
| <th class="colSecond" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
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| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">RelDataTypeImpl</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Default constructor, to allow derived classes such as |
| <a href="../../sql/type/BasicSqlType.html" title="class in org.apache.calcite.sql.type"><code>BasicSqlType</code></a> to be <a href="https://docs.oracle.com/javase/9/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io" class="externalLink"><code>Serializable</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.util.List)">RelDataTypeImpl</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><? extends <a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>> fieldList)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a RelDataTypeImpl.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </section> |
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| <h2>Method Summary</h2> |
| <div class="memberSummary"> |
| <div role="tablist" aria-orientation="horizontal"><button role="tab" aria-selected="true" aria-controls="memberSummary_tabpanel" tabindex="0" onkeydown="switchTab(event)" id="t0" class="activeTableTab">All Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t1" class="tableTab" onclick="show(1);">Static Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t2" class="tableTab" onclick="show(2);">Instance Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t3" class="tableTab" onclick="show(4);">Abstract Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t4" class="tableTab" onclick="show(8);">Concrete Methods</button></div> |
| <div id="memberSummary_tabpanel" role="tabpanel"> |
| <table aria-labelledby="t0"> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor" id="i0"> |
| <td class="colFirst"><code>protected void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#computeDigest()">computeDigest</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Computes the digest field.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#equals(java.lang.Object)">equals</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> obj)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i2"> |
| <td class="colFirst"><code>static <a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#extra(org.apache.calcite.rel.type.RelDataType)">extra</a></span>​(<a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the "extra" field in a row type whose presence signals that |
| fields will come into existence just by asking for them.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i3"> |
| <td class="colFirst"><code>protected abstract void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#generateTypeString(java.lang.StringBuilder,boolean)">generateTypeString</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuilder</a> sb, |
| boolean withDetail)</code></th> |
| <td class="colLast"> |
| <div class="block">Generates a string representation of this type.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i4"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset" class="externalLink">Charset</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCharset()">getCharset</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets this type's character set, or null if this type cannot carry a |
| character set or has no character set defined.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i5"> |
| <td class="colFirst"><code><a href="../../sql/SqlCollation.html" title="class in org.apache.calcite.sql">SqlCollation</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCollation()">getCollation</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets this type's collation, or null if this type cannot carry a collation |
| or has no collation defined.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i6"> |
| <td class="colFirst"><code><a href="RelDataTypeComparability.html" title="enum in org.apache.calcite.rel.type">RelDataTypeComparability</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getComparability()">getComparability</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the category of comparison operators that make sense when applied |
| to values of this type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i7"> |
| <td class="colFirst"><code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getComponentType()">getComponentType</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the component type if this type is a collection, otherwise null.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i8"> |
| <td class="colFirst"><code><a href="RelDataTypeFamily.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFamily</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFamily()">getFamily</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets a canonical object representing the family of this type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i9"> |
| <td class="colFirst"><code><a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getField(java.lang.String,boolean,boolean)">getField</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> fieldName, |
| boolean caseSensitive, |
| boolean elideRecord)</code></th> |
| <td class="colLast"> |
| <div class="block">Looks up a field by name.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i10"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFieldCount()">getFieldCount</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the number of fields in a struct type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i11"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFieldList()">getFieldList</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the fields in a struct type.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i12"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFieldNames()">getFieldNames</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the names of the fields in a struct type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i13"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFullTypeString()">getFullTypeString</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets a string representation of this type with full detail such as |
| character set and nullability.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i14"> |
| <td class="colFirst"><code><a href="../../sql/SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getIntervalQualifier()">getIntervalQualifier</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets this type's interval qualifier, or null if this is not an interval |
| type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i15"> |
| <td class="colFirst"><code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getKeyType()">getKeyType</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the key type if this type is a map, otherwise null.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i16"> |
| <td class="colFirst"><code><a href="RelDataTypePrecedenceList.html" title="interface in org.apache.calcite.rel.type">RelDataTypePrecedenceList</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPrecedenceList()">getPrecedenceList</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the precedence list for this type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i17"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPrecision()">getPrecision</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the JDBC-defined precision for values of this type.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i18"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getScale()">getScale</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the scale of this type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i19"> |
| <td class="colFirst"><code><a href="../../sql/SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSqlIdentifier()">getSqlIdentifier</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the <a href="../../sql/SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a> associated with this type.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i20"> |
| <td class="colFirst"><code><a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSqlTypeName()">getSqlTypeName</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the <a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type"><code>SqlTypeName</code></a> of this type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i21"> |
| <td class="colFirst"><code><a href="StructKind.html" title="enum in org.apache.calcite.rel.type">StructKind</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getStructKind()">getStructKind</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the rule for resolving the fields of a structured type, |
| or <a href="StructKind.html#NONE"><code>StructKind.NONE</code></a> if this is not a structured type.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i22"> |
| <td class="colFirst"><code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValueType()">getValueType</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the value type if this type is a map, otherwise null.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i23"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hashCode()">hashCode</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="altColor" id="i24"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isDynamicStruct()">isDynamicStruct</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this type has dynamic structure (for "schema-on-read" |
| table).</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i25"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isNullable()">isNullable</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Queries whether this type allows null values.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i26"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isStruct()">isStruct</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Queries whether this is a structured type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i27"> |
| <td class="colFirst"><code>static <a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#proto(org.apache.calcite.rel.type.RelDataType)">proto</a></span>​(<a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> protoType)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns an implementation of |
| <a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelProtoDataType</code></a> |
| that copies a given type using the given type factory.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i28"> |
| <td class="colFirst"><code>static <a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#proto(org.apache.calcite.sql.type.SqlTypeName,boolean)">proto</a></span>​(<a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName, |
| boolean nullable)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a <a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelProtoDataType</code></a> |
| that will create a type <code>typeName</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i29"> |
| <td class="colFirst"><code>static <a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#proto(org.apache.calcite.sql.type.SqlTypeName,int,boolean)">proto</a></span>​(<a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName, |
| int precision, |
| boolean nullable)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a <a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelProtoDataType</code></a> |
| that will create a type <code>typeName(precision)</code>.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i30"> |
| <td class="colFirst"><code>static <a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#proto(org.apache.calcite.sql.type.SqlTypeName,int,int,boolean)">proto</a></span>​(<a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName, |
| int precision, |
| int scale, |
| boolean nullable)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a <a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelProtoDataType</code></a> |
| that will create a type <code>typeName(precision, scale)</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor" id="i31"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString()">toString</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets a string representation of this type without detail such as |
| character set and nullability.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3> |
| <a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from interface org.apache.calcite.rel.type.<a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></h3> |
| <a id="methods.inherited.from.class.org.apache.calcite.rel.type.RelDataType"> |
| <!-- --> |
| </a><code><a href="RelDataType.html#equalsSansFieldNames(org.apache.calcite.rel.type.RelDataType)">equalsSansFieldNames</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li class="blockList"> |
| <section class="fieldDetails"><a id="field.detail"> |
| <!-- --> |
| </a> |
| <h2>Field Details</h2> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="fieldList">fieldList</a></h3> |
| <div class="memberSignature"><span class="modifiers">protected final</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>></span> <span class="memberName">fieldList</span></div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="digest">digest</a></h3> |
| <div class="memberSignature"><span class="modifiers">protected</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></span> <span class="memberName">digest</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li class="blockList"> |
| <section class="constructorDetails"><a id="constructor.detail"> |
| <!-- --> |
| </a> |
| <h2>Constructor Details</h2> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="<init>(java.util.List)">RelDataTypeImpl</a></h3> |
| <div class="memberSignature"><span class="modifiers">protected</span> <span class="memberName">RelDataTypeImpl</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><? extends <a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>> fieldList)</span></div> |
| <div class="block">Creates a RelDataTypeImpl.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fieldList</code> - List of fields</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="<init>()">RelDataTypeImpl</a></h3> |
| <div class="memberSignature"><span class="modifiers">protected</span> <span class="memberName">RelDataTypeImpl</span>()</div> |
| <div class="block">Default constructor, to allow derived classes such as |
| <a href="../../sql/type/BasicSqlType.html" title="class in org.apache.calcite.sql.type"><code>BasicSqlType</code></a> to be <a href="https://docs.oracle.com/javase/9/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io" class="externalLink"><code>Serializable</code></a>. |
| |
| <p>(The serialization specification says that a class can be serializable |
| even if its base class is not serializable, provided that the base class |
| has a public or protected zero-args constructor.)</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li class="blockList"> |
| <section class="methodDetails"><a id="method.detail"> |
| <!-- --> |
| </a> |
| <h2>Method Details</h2> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getField(java.lang.String,boolean,boolean)">getField</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a></span> <span class="memberName">getField</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> fieldName, |
| boolean caseSensitive, |
| boolean elideRecord)</span></div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getField(java.lang.String,boolean,boolean)">RelDataType</a></code></span></div> |
| <div class="block">Looks up a field by name. |
| |
| <p>NOTE: Be careful choosing the value of <code>caseSensitive</code>:</p> |
| <ul> |
| <li>If the field name was supplied by an end-user (e.g. as a column alias |
| in SQL), use your session's case-sensitivity setting.</li> |
| <li>Only hard-code <code>true</code> if you are sure that the field name is |
| internally generated.</li> |
| <li>Hard-coding <code>false</code> is almost certainly wrong.</li> |
| </ul></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getField(java.lang.String,boolean,boolean)">getField</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fieldName</code> - Name of field to find</dd> |
| <dd><code>caseSensitive</code> - Whether match is case-sensitive</dd> |
| <dd><code>elideRecord</code> - Whether to find fields nested within records</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>named field, or null if not found</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getFieldList()">getFieldList</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a>></span> <span class="memberName">getFieldList</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getFieldList()">RelDataType</a></code></span></div> |
| <div class="block">Gets the fields in a struct type. The field count is equal to the size of |
| the returned list.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getFieldList()">getFieldList</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>read-only list of fields</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getFieldNames()">getFieldNames</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>></span> <span class="memberName">getFieldNames</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getFieldNames()">RelDataType</a></code></span></div> |
| <div class="block">Returns the names of the fields in a struct type. The field count is |
| equal to the size of the returned list.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getFieldNames()">getFieldNames</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>read-only list of field names</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getFieldCount()">getFieldCount</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">getFieldCount</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getFieldCount()">RelDataType</a></code></span></div> |
| <div class="block">Returns the number of fields in a struct type. |
| |
| <p>This method is equivalent to |
| <code><a href="RelDataType.html#getFieldList()"><code>RelDataType.getFieldList()</code></a>.size()</code>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getFieldCount()">getFieldCount</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getStructKind()">getStructKind</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="StructKind.html" title="enum in org.apache.calcite.rel.type">StructKind</a></span> <span class="memberName">getStructKind</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="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="StructKind.html#NONE"><code>StructKind.NONE</code></a> if this is not a structured type.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getStructKind()">getStructKind</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the StructKind that determines how this type's fields are resolved</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getComponentType()">getComponentType</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span> <span class="memberName">getComponentType</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getComponentType()">RelDataType</a></code></span></div> |
| <div class="block">Gets the component type if this type is a collection, otherwise null.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getComponentType()">getComponentType</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>canonical type descriptor for components</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getKeyType()">getKeyType</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span> <span class="memberName">getKeyType</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getKeyType()">RelDataType</a></code></span></div> |
| <div class="block">Gets the key type if this type is a map, otherwise null.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getKeyType()">getKeyType</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>canonical type descriptor for key</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getValueType()">getValueType</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span> <span class="memberName">getValueType</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getValueType()">RelDataType</a></code></span></div> |
| <div class="block">Gets the value type if this type is a map, otherwise null.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getValueType()">getValueType</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>canonical type descriptor for value</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="isStruct()">isStruct</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">isStruct</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#isStruct()">RelDataType</a></code></span></div> |
| <div class="block">Queries whether this is a structured type.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#isStruct()">isStruct</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether this type has fields; examples include rows and |
| user-defined structured types in SQL, and classes in Java</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="equals(java.lang.Object)">equals</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">equals</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a> obj)</span></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a></code> in class <code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="hashCode()">hashCode</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">hashCode</span>()</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a></code> in class <code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getFullTypeString()">getFullTypeString</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></span> <span class="memberName">getFullTypeString</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getFullTypeString()">RelDataType</a></code></span></div> |
| <div class="block">Gets a string representation of this type with full detail such as |
| character set and nullability. The string must serve as a "digest" for |
| this type, meaning two types can be considered identical iff their |
| digests are equal.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getFullTypeString()">getFullTypeString</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>full type string</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="isNullable()">isNullable</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">isNullable</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#isNullable()">RelDataType</a></code></span></div> |
| <div class="block">Queries whether this type allows null values.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#isNullable()">isNullable</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether type allows null values</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getCharset()">getCharset</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset" class="externalLink">Charset</a></span> <span class="memberName">getCharset</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getCharset()">RelDataType</a></code></span></div> |
| <div class="block">Gets this type's character set, or null if this type cannot carry a |
| character set or has no character set defined.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getCharset()">getCharset</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>charset of type</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getCollation()">getCollation</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="../../sql/SqlCollation.html" title="class in org.apache.calcite.sql">SqlCollation</a></span> <span class="memberName">getCollation</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getCollation()">RelDataType</a></code></span></div> |
| <div class="block">Gets this type's collation, or null if this type cannot carry a collation |
| or has no collation defined.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getCollation()">getCollation</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>collation of type</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getIntervalQualifier()">getIntervalQualifier</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="../../sql/SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a></span> <span class="memberName">getIntervalQualifier</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getIntervalQualifier()">RelDataType</a></code></span></div> |
| <div class="block">Gets this type's interval qualifier, or null if this is not an interval |
| type.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getIntervalQualifier()">getIntervalQualifier</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>interval qualifier</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getPrecision()">getPrecision</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">getPrecision</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getPrecision()">RelDataType</a></code></span></div> |
| <div class="block">Gets the JDBC-defined precision for values of this type. Note that this |
| is not always the same as the user-specified precision. For example, the |
| type INTEGER has no user-specified precision, but this method returns 10 |
| for an INTEGER type. |
| |
| <p>Returns <a href="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">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getPrecision()">getPrecision</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</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 |
| this type</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getScale()">getScale</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">getScale</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getScale()">RelDataType</a></code></span></div> |
| <div class="block">Gets the scale of this type. Returns <a href="RelDataType.html#SCALE_NOT_SPECIFIED"><code>RelDataType.SCALE_NOT_SPECIFIED</code></a> (-1) if |
| scale is not valid for this type.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getScale()">getScale</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>number of digits of scale</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getSqlTypeName()">getSqlTypeName</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a></span> <span class="memberName">getSqlTypeName</span>()</div> |
| <div class="block">Gets the <a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type"><code>SqlTypeName</code></a> of this type. |
| Sub-classes must override the method to ensure the resulting value is non-nullable.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getSqlTypeName()">getSqlTypeName</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>SqlTypeName, never null</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getSqlIdentifier()">getSqlIdentifier</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="../../sql/SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a></span> <span class="memberName">getSqlIdentifier</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getSqlIdentifier()">RelDataType</a></code></span></div> |
| <div class="block">Gets the <a href="../../sql/SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a> associated with this type. For a |
| predefined type, this is a simple identifier based on |
| <a href="RelDataType.html#getSqlTypeName()"><code>RelDataType.getSqlTypeName()</code></a>. For a user-defined type, this is a compound |
| identifier which uniquely names the type.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getSqlIdentifier()">getSqlIdentifier</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>SqlIdentifier, or null if this is not an SQL type</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getFamily()">getFamily</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="RelDataTypeFamily.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFamily</a></span> <span class="memberName">getFamily</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getFamily()">RelDataType</a></code></span></div> |
| <div class="block">Gets a canonical object representing the family of this type. Two values |
| can be compared if and only if their types are in the same family.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getFamily()">getFamily</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>canonical object representing type family, never null</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="generateTypeString(java.lang.StringBuilder,boolean)">generateTypeString</a></h3> |
| <div class="memberSignature"><span class="modifiers">protected abstract</span> <span class="returnType">void</span> <span class="memberName">generateTypeString</span>​(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang" class="externalLink">StringBuilder</a> sb, |
| boolean withDetail)</span></div> |
| <div class="block">Generates a string representation of this type.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>sb</code> - StringBuilder into which to generate the string</dd> |
| <dd><code>withDetail</code> - when true, all detail information needed to compute a |
| unique digest (and return from getFullTypeString) should |
| be included;</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="computeDigest()">computeDigest</a></h3> |
| <div class="memberSignature"><span class="modifiers">protected</span> <span class="returnType">void</span> <span class="memberName">computeDigest</span>()</div> |
| <div class="block">Computes the digest field. This should be called in every non-abstract |
| subclass constructor once the type is fully defined.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="toString()">toString</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></span> <span class="memberName">toString</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#toString()">RelDataType</a></code></span></div> |
| <div class="block">Gets a string representation of this type without detail such as |
| character set and nullability.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#toString()">toString</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a></code> in class <code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>abbreviated type string</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getPrecedenceList()">getPrecedenceList</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="RelDataTypePrecedenceList.html" title="interface in org.apache.calcite.rel.type">RelDataTypePrecedenceList</a></span> <span class="memberName">getPrecedenceList</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getPrecedenceList()">RelDataType</a></code></span></div> |
| <div class="block">Returns the precedence list for this type.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getPrecedenceList()">getPrecedenceList</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="getComparability()">getComparability</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="RelDataTypeComparability.html" title="enum in org.apache.calcite.rel.type">RelDataTypeComparability</a></span> <span class="memberName">getComparability</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#getComparability()">RelDataType</a></code></span></div> |
| <div class="block">Returns the category of comparison operators that make sense when applied |
| to values of this type.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#getComparability()">getComparability</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="proto(org.apache.calcite.rel.type.RelDataType)">proto</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a></span> <span class="memberName">proto</span>​(<span class="arguments"><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> protoType)</span></div> |
| <div class="block">Returns an implementation of |
| <a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelProtoDataType</code></a> |
| that copies a given type using the given type factory.</div> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="proto(org.apache.calcite.sql.type.SqlTypeName,boolean)">proto</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a></span> <span class="memberName">proto</span>​(<span class="arguments"><a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName, |
| boolean nullable)</span></div> |
| <div class="block">Returns a <a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelProtoDataType</code></a> |
| that will create a type <code>typeName</code>. |
| |
| <p>For example, <code>proto(SqlTypeName.DATE), false</code> |
| will create <code>DATE NOT NULL</code>.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeName</code> - Type name</dd> |
| <dd><code>nullable</code> - Whether nullable</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Proto data type</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="proto(org.apache.calcite.sql.type.SqlTypeName,int,boolean)">proto</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a></span> <span class="memberName">proto</span>​(<span class="arguments"><a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName, |
| int precision, |
| boolean nullable)</span></div> |
| <div class="block">Returns a <a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelProtoDataType</code></a> |
| that will create a type <code>typeName(precision)</code>. |
| |
| <p>For example, <code>proto(SqlTypeName.VARCHAR, 100, false)</code> |
| will create <code>VARCHAR(100) NOT NULL</code>.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeName</code> - Type name</dd> |
| <dd><code>precision</code> - Precision</dd> |
| <dd><code>nullable</code> - Whether nullable</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Proto data type</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="proto(org.apache.calcite.sql.type.SqlTypeName,int,int,boolean)">proto</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type">RelProtoDataType</a></span> <span class="memberName">proto</span>​(<span class="arguments"><a href="../../sql/type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName, |
| int precision, |
| int scale, |
| boolean nullable)</span></div> |
| <div class="block">Returns a <a href="RelProtoDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelProtoDataType</code></a> |
| that will create a type <code>typeName(precision, scale)</code>. |
| |
| <p>For example, <code>proto(SqlTypeName.DECIMAL, 7, 2, false)</code> |
| will create <code>DECIMAL(7, 2) NOT NULL</code>.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeName</code> - Type name</dd> |
| <dd><code>precision</code> - Precision</dd> |
| <dd><code>scale</code> - Scale</dd> |
| <dd><code>nullable</code> - Whether nullable</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Proto data type</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="extra(org.apache.calcite.rel.type.RelDataType)">extra</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static</span> <span class="returnType"><a href="RelDataTypeField.html" title="interface in org.apache.calcite.rel.type">RelDataTypeField</a></span> <span class="memberName">extra</span>​(<span class="arguments"><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType)</span></div> |
| <div class="block">Returns the "extra" field in a row type whose presence signals that |
| fields will come into existence just by asking for them.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rowType</code> - Row type</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The "extra" field, or null</dd> |
| </dl> |
| </section> |
| </li> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="isDynamicStruct()">isDynamicStruct</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">isDynamicStruct</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="RelDataType.html#isDynamicStruct()">RelDataType</a></code></span></div> |
| <div class="block">Returns whether this type has dynamic structure (for "schema-on-read" |
| table).</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="RelDataType.html#isDynamicStruct()">isDynamicStruct</a></code> in interface <code><a href="RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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