javadocAggregate/org/apache/calcite/sql/SqlLiteral.html - calcite-site - Git at Google

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 <div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.sql</a></div>
 <h1 title="Class SqlLiteral" class="title">Class SqlLiteral</h1>
 </div>
 <div class="contentContainer">
 <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"><a href="SqlNode.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlNode</a>
 <div class="inheritance">org.apache.calcite.sql.SqlLiteral</div>
 </div>
 </div>
 <section class="description">
 <dl>
 <dt>All Implemented Interfaces:</dt>
 <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Cloneable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Cloneable</a></code></dd>
 </dl>
 <dl>
 <dt>Direct Known Subclasses:</dt>
 <dd><code><a href="SqlAbstractDateTimeLiteral.html" title="class in org.apache.calcite.sql">SqlAbstractDateTimeLiteral</a></code>, <code><a href="SqlBinaryStringLiteral.html" title="class in org.apache.calcite.sql">SqlBinaryStringLiteral</a></code>, <code><a href="SqlCharStringLiteral.html" title="class in org.apache.calcite.sql">SqlCharStringLiteral</a></code>, <code><a href="SqlIntervalLiteral.html" title="class in org.apache.calcite.sql">SqlIntervalLiteral</a></code>, <code><a href="SqlNumericLiteral.html" title="class in org.apache.calcite.sql">SqlNumericLiteral</a></code></dd>
 </dl>
 <hr>
 <pre>public class <span class="typeNameLabel">SqlLiteral</span>
 extends <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></pre>
 <div class="block">A <code>SqlLiteral</code> is a constant. It is, appropriately, immutable.

  <p>How is the value stored? In that respect, the class is somewhat of a black
  box. There is a <a href="#getValue()"><code>getValue()</code></a> method which returns the value as an
  object, but the type of that value is implementation detail, and it is best
  that your code does not depend upon that knowledge. It is better to use
  task-oriented methods such as <a href="SqlNode.html#toSqlString(org.apache.calcite.sql.SqlDialect)"><code>SqlNode.toSqlString(SqlDialect)</code></a> and
  <a href="#toValue()"><code>toValue()</code></a>.</p>

  <p>If you really need to access the value directly, you should switch on the
  value of the <code>typeName</code> field, rather than making assumptions about
  the runtime type of the <a href="#value"><code>value</code></a>.</p>

  <p>The allowable types and combinations are:

  <table>
  <caption>Allowable types for SqlLiteral</caption>
  <tr>
  <th>TypeName</th>
  <th>Meaing</th>
  <th>Value type</th>
  </tr>
  <tr>
  <td><a href="type/SqlTypeName.html#NULL"><code>SqlTypeName.NULL</code></a></td>
  <td>The null value. It has its own special type.</td>
  <td>null</td>
  </tr>
  <tr>
  <td><a href="type/SqlTypeName.html#BOOLEAN"><code>SqlTypeName.BOOLEAN</code></a></td>
  <td>Boolean, namely <code>TRUE</code>, <code>FALSE</code> or <code>
  UNKNOWN</code>.</td>
  <td><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang" class="externalLink"><code>Boolean</code></a>, or null represents the UNKNOWN value</td>
  </tr>
  <tr>
  <td><a href="type/SqlTypeName.html#DECIMAL"><code>SqlTypeName.DECIMAL</code></a></td>
  <td>Exact number, for example <code>0</code>, <code>-.5</code>, <code>
  12345</code>.</td>
  <td><a href="https://docs.oracle.com/javase/9/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math" class="externalLink"><code>BigDecimal</code></a></td>
  </tr>
  <tr>
  <td><a href="type/SqlTypeName.html#DOUBLE"><code>SqlTypeName.DOUBLE</code></a></td>
  <td>Approximate number, for example <code>6.023E-23</code>.</td>
  <td><a href="https://docs.oracle.com/javase/9/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math" class="externalLink"><code>BigDecimal</code></a></td>
  </tr>
  <tr>
  <td><a href="type/SqlTypeName.html#DATE"><code>SqlTypeName.DATE</code></a></td>
  <td>Date, for example <code>DATE '1969-04'29'</code></td>
  <td><a href="https://docs.oracle.com/javase/9/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util" class="externalLink"><code>Calendar</code></a></td>
  </tr>
  <tr>
  <td><a href="type/SqlTypeName.html#TIME"><code>SqlTypeName.TIME</code></a></td>
  <td>Time, for example <code>TIME '18:37:42.567'</code></td>
  <td><a href="https://docs.oracle.com/javase/9/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util" class="externalLink"><code>Calendar</code></a></td>
  </tr>
  <tr>
  <td><a href="type/SqlTypeName.html#TIMESTAMP"><code>SqlTypeName.TIMESTAMP</code></a></td>
  <td>Timestamp, for example <code>TIMESTAMP '1969-04-29
  18:37:42.567'</code></td>
  <td><a href="https://docs.oracle.com/javase/9/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util" class="externalLink"><code>Calendar</code></a></td>
  </tr>
  <tr>
  <td><a href="type/SqlTypeName.html#CHAR"><code>SqlTypeName.CHAR</code></a></td>
  <td>Character constant, for example <code>'Hello, world!'</code>, <code>
  ''</code>, <code>_N'Bonjour'</code>, <code>_ISO-8859-1'It''s superman!'
  COLLATE SHIFT_JIS$ja_JP$2</code>. These are always CHAR, never VARCHAR.</td>
  <td><a href="../util/NlsString.html" title="class in org.apache.calcite.util"><code>NlsString</code></a></td>
  </tr>
  <tr>
  <td><a href="type/SqlTypeName.html#BINARY"><code>SqlTypeName.BINARY</code></a></td>
  <td>Binary constant, for example <code>X'ABC'</code>, <code>X'7F'</code>.
  Note that strings with an odd number of hexits will later become values of
  the BIT datatype, because they have an incomplete number of bytes. But here,
  they are all binary constants, because that's how they were written. These
  constants are always BINARY, never VARBINARY.</td>
  <td><a href="../util/BitString.html" title="class in org.apache.calcite.util"><code>BitString</code></a></td>
  </tr>
  <tr>
  <td><a href="type/SqlTypeName.html#SYMBOL"><code>SqlTypeName.SYMBOL</code></a></td>
  <td>A symbol is a special type used to make parsing easier; it is not part of
  the SQL standard, and is not exposed to end-users. It is used to hold a
  symbol, such as the LEADING flag in a call to the function <code>
  TRIM([LEADING|TRAILING|BOTH] chars FROM string)</code>.</td>
  <td>An <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang" class="externalLink"><code>Enum</code></a></td>
  </tr>
  <tr>
  <td><a href="type/SqlTypeName.html#INTERVAL_YEAR"><code>SqlTypeName.INTERVAL_YEAR</code></a>
      .. <a href="type/SqlTypeName.html#INTERVAL_SECOND"><code>SqlTypeName.INTERVAL_SECOND</code></a></td>
  <td>Interval, for example <code>INTERVAL '1:34' HOUR</code>.</td>
  <td><a href="SqlIntervalLiteral.IntervalValue.html" title="class in org.apache.calcite.sql"><code>SqlIntervalLiteral.IntervalValue</code></a>.</td>
  </tr>
  </table></div>
 </section>
 <section class="summary">
 <ul class="blockList">
 <!-- ======== NESTED CLASS SUMMARY ======== -->
 <li class="blockList">
 <section class="nestedClassSummary"><a id="nested.class.summary">
 <!--   -->
 </a>
 <h2>Nested Class Summary</h2>
 <div class="memberSummary">
 <table>
 <caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
 <thead>
 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Class</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 </thead>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>static interface&nbsp;</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="SqlLiteral.SqlSymbol.html" title="interface in org.apache.calcite.sql">SqlLiteral.SqlSymbol</a></span></code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 </tbody>
 </table>
 </div>
 </section>
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 <!-- =========== FIELD SUMMARY =========== -->
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 <section class="fieldSummary"><a id="field.summary">
 <!--   -->
 </a>
 <h2>Field Summary</h2>
 <div class="memberSummary">
 <table>
 <caption><span>Fields</span><span class="tabEnd">&nbsp;</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 @Nullable <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></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#value">value</a></span></code></th>
 <td class="colLast">
 <div class="block">The value of this literal.</div>
 </td>
 </tr>
 </tbody>
 </table>
 </div>
 <div class="inheritedList">
 <h3>Fields inherited from class&nbsp;org.apache.calcite.sql.<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></h3>
 <a id="fields.inherited.from.class.org.apache.calcite.sql.SqlNode">
 <!--   -->
 </a><code><a href="SqlNode.html#EMPTY_ARRAY">EMPTY_ARRAY</a>, <a href="SqlNode.html#pos">pos</a></code></div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li class="blockList">
 <section class="constructorSummary"><a id="constructor.summary">
 <!--   -->
 </a>
 <h2>Constructor Summary</h2>
 <div class="memberSummary">
 <table>
 <caption><span>Constructors</span><span class="tabEnd">&nbsp;</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>
 </thead>
 <tbody>
 <tr class="altColor">
 <td class="colFirst"><code>protected </code></td>
 <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.Object,org.apache.calcite.sql.type.SqlTypeName,org.apache.calcite.sql.parser.SqlParserPos)">SqlLiteral</a></span>&#8203;(@Nullable <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>&nbsp;value,
 <a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block">Creates a <code>SqlLiteral</code>.</div>
 </td>
 </tr>
 </tbody>
 </table>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li class="blockList">
 <section class="methodSummary"><a id="method.summary">
 <!--   -->
 </a>
 <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="t4" class="tableTab" onclick="show(8);">Concrete Methods</button><button role="tab" aria-selected="false" aria-controls="memberSummary_tabpanel" tabindex="-1" onkeydown="switchTab(event)" id="t6" class="tableTab" onclick="show(32);">Deprecated 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>&lt;R&gt;&nbsp;R</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#accept(org.apache.calcite.sql.util.SqlVisitor)">accept</a></span>&#8203;(<a href="util/SqlVisitor.html" title="interface in org.apache.calcite.sql.util">SqlVisitor</a>&lt;R&gt;&nbsp;visitor)</code></th>
 <td class="colLast">
 <div class="block">Accepts a generic visitor.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i1">
 <td class="colFirst"><code>@Nullable <a href="https://docs.oracle.com/javase/9/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math" class="externalLink">BigDecimal</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#bigDecimalValue()">bigDecimalValue</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Returns a numeric literal's value as a <a href="https://docs.oracle.com/javase/9/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math" class="externalLink"><code>BigDecimal</code></a>.</div>
 </td>
 </tr>
 <tr class="altColor" id="i2">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#booleanValue()">booleanValue</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Returns the value as a boolean.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i3">
 <td class="colFirst"><code><a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#clone(org.apache.calcite.sql.parser.SqlParserPos)">clone</a></span>&#8203;(<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block">Clones a SqlNode with a different position.</div>
 </td>
 </tr>
 <tr class="altColor" id="i4">
 <td class="colFirst"><code>static <a href="SqlNumericLiteral.html" title="class in org.apache.calcite.sql">SqlNumericLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createApproxNumeric(java.lang.String,org.apache.calcite.sql.parser.SqlParserPos)">createApproxNumeric</a></span>&#8203;(<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>&nbsp;s,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor" id="i5">
 <td class="colFirst"><code>static <a href="SqlBinaryStringLiteral.html" title="class in org.apache.calcite.sql">SqlBinaryStringLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createBinaryString(byte%5B%5D,org.apache.calcite.sql.parser.SqlParserPos)">createBinaryString</a></span>&#8203;(byte[]&nbsp;bytes,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block">Creates a literal like X'ABAB' from an array of bytes.</div>
 </td>
 </tr>
 <tr class="altColor" id="i6">
 <td class="colFirst"><code>static <a href="SqlBinaryStringLiteral.html" title="class in org.apache.calcite.sql">SqlBinaryStringLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createBinaryString(java.lang.String,org.apache.calcite.sql.parser.SqlParserPos)">createBinaryString</a></span>&#8203;(<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>&nbsp;s,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block">Creates a literal like X'ABAB'.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i7">
 <td class="colFirst"><code>static <a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createBoolean(boolean,org.apache.calcite.sql.parser.SqlParserPos)">createBoolean</a></span>&#8203;(boolean&nbsp;b,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block">Creates a boolean literal.</div>
 </td>
 </tr>
 <tr class="altColor" id="i8">
 <td class="colFirst"><code>static <a href="SqlCharStringLiteral.html" title="class in org.apache.calcite.sql">SqlCharStringLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createCharString(java.lang.String,java.lang.String,org.apache.calcite.sql.parser.SqlParserPos)">createCharString</a></span>&#8203;(<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>&nbsp;s,
 @Nullable <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>&nbsp;charSet,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block">Creates a string literal, with optional character-set.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i9">
 <td class="colFirst"><code>static <a href="SqlCharStringLiteral.html" title="class in org.apache.calcite.sql">SqlCharStringLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createCharString(java.lang.String,org.apache.calcite.sql.parser.SqlParserPos)">createCharString</a></span>&#8203;(<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>&nbsp;s,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block">Creates a string literal in the system character set.</div>
 </td>
 </tr>
 <tr class="altColor" id="i10">
 <td class="colFirst"><code>static <a href="SqlDateLiteral.html" title="class in org.apache.calcite.sql">SqlDateLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createDate(java.util.Calendar,org.apache.calcite.sql.parser.SqlParserPos)">createDate</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util" class="externalLink">Calendar</a>&nbsp;calendar,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="rowColor" id="i11">
 <td class="colFirst"><code>static <a href="SqlDateLiteral.html" title="class in org.apache.calcite.sql">SqlDateLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createDate(org.apache.calcite.util.DateString,org.apache.calcite.sql.parser.SqlParserPos)">createDate</a></span>&#8203;(<a href="../util/DateString.html" title="class in org.apache.calcite.util">DateString</a>&nbsp;date,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor" id="i12">
 <td class="colFirst"><code>static <a href="SqlNumericLiteral.html" title="class in org.apache.calcite.sql">SqlNumericLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createExactNumeric(java.lang.String,org.apache.calcite.sql.parser.SqlParserPos)">createExactNumeric</a></span>&#8203;(<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>&nbsp;s,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor" id="i13">
 <td class="colFirst"><code>static <a href="SqlIntervalLiteral.html" title="class in org.apache.calcite.sql">SqlIntervalLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createInterval(int,java.lang.String,org.apache.calcite.sql.SqlIntervalQualifier,org.apache.calcite.sql.parser.SqlParserPos)">createInterval</a></span>&#8203;(int&nbsp;sign,
 <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>&nbsp;intervalStr,
 <a href="SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a>&nbsp;intervalQualifier,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block">Creates an interval literal.</div>
 </td>
 </tr>
 <tr class="altColor" id="i14">
 <td class="colFirst"><code>static <a href="SqlNumericLiteral.html" title="class in org.apache.calcite.sql">SqlNumericLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createNegative(org.apache.calcite.sql.SqlNumericLiteral,org.apache.calcite.sql.parser.SqlParserPos)">createNegative</a></span>&#8203;(<a href="SqlNumericLiteral.html" title="class in org.apache.calcite.sql">SqlNumericLiteral</a>&nbsp;num,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor" id="i15">
 <td class="colFirst"><code>static <a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createNull(org.apache.calcite.sql.parser.SqlParserPos)">createNull</a></span>&#8203;(<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block">Creates a NULL literal.</div>
 </td>
 </tr>
 <tr class="altColor" id="i16">
 <td class="colFirst"><code>static <a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createSample(org.apache.calcite.sql.SqlSampleSpec,org.apache.calcite.sql.parser.SqlParserPos)">createSample</a></span>&#8203;(<a href="SqlSampleSpec.html" title="class in org.apache.calcite.sql">SqlSampleSpec</a>&nbsp;sampleSpec,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block">Creates a literal which represents a sample specification.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i17">
 <td class="colFirst"><code><a href="../rel/type/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="#createSqlType(org.apache.calcite.rel.type.RelDataTypeFactory)">createSqlType</a></span>&#8203;(<a href="../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a>&nbsp;typeFactory)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="altColor" id="i18">
 <td class="colFirst"><code>static <a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createSymbol(java.lang.Enum,org.apache.calcite.sql.parser.SqlParserPos)">createSymbol</a></span>&#8203;(@Nullable <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang" class="externalLink">Enum</a>&lt;?&gt;&nbsp;o,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block">Creates a literal which represents a parser symbol, for example the
  <code>TRAILING</code> keyword in the call <code>Trim(TRAILING 'x' FROM
  'Hello world!')</code>.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i19">
 <td class="colFirst"><code>static <a href="SqlTimeLiteral.html" title="class in org.apache.calcite.sql">SqlTimeLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createTime(java.util.Calendar,int,org.apache.calcite.sql.parser.SqlParserPos)">createTime</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util" class="externalLink">Calendar</a>&nbsp;calendar,
 int&nbsp;precision,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="altColor" id="i20">
 <td class="colFirst"><code>static <a href="SqlTimeLiteral.html" title="class in org.apache.calcite.sql">SqlTimeLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createTime(org.apache.calcite.util.TimeString,int,org.apache.calcite.sql.parser.SqlParserPos)">createTime</a></span>&#8203;(<a href="../util/TimeString.html" title="class in org.apache.calcite.util">TimeString</a>&nbsp;t,
 int&nbsp;precision,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor" id="i21">
 <td class="colFirst"><code>static <a href="SqlTimestampLiteral.html" title="class in org.apache.calcite.sql">SqlTimestampLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createTimestamp(java.util.Calendar,int,org.apache.calcite.sql.parser.SqlParserPos)">createTimestamp</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/Calendar.html?is-external=true" title="class or interface in java.util" class="externalLink">Calendar</a>&nbsp;calendar,
 int&nbsp;precision,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="altColor" id="i22">
 <td class="colFirst"><code>static <a href="SqlTimestampLiteral.html" title="class in org.apache.calcite.sql">SqlTimestampLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createTimestamp(org.apache.calcite.util.TimestampString,int,org.apache.calcite.sql.parser.SqlParserPos)">createTimestamp</a></span>&#8203;(<a href="../util/TimestampString.html" title="class in org.apache.calcite.util">TimestampString</a>&nbsp;ts,
 int&nbsp;precision,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">&nbsp;</td>
 </tr>
 <tr class="rowColor" id="i23">
 <td class="colFirst"><code>static <a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createUnknown(org.apache.calcite.sql.parser.SqlParserPos)">createUnknown</a></span>&#8203;(<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</code></th>
 <td class="colLast">&nbsp;</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="#equals(java.lang.Object)">equals</a></span>&#8203;(@Nullable <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>&nbsp;obj)</code></th>
 <td class="colLast">&nbsp;</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="#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></span>&#8203;(@Nullable <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
 <a href="../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a>&nbsp;litmus)</code></th>
 <td class="colLast">
 <div class="block">Returns whether this node is structurally equivalent to another node.</div>
 </td>
 </tr>
 <tr class="altColor" id="i26">
 <td class="colFirst"><code><a href="SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getKind()">getKind</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Returns the type of node this is, or
  <a href="SqlKind.html#OTHER"><code>SqlKind.OTHER</code></a> if it's nothing special.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i27">
 <td class="colFirst"><code><a href="validate/SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMonotonicity(org.apache.calcite.sql.validate.SqlValidatorScope)">getMonotonicity</a></span>&#8203;(@Nullable <a href="validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</code></th>
 <td class="colLast">
 <div class="block">Returns whether expression is always ascending, descending or constant.</div>
 </td>
 </tr>
 <tr class="altColor" id="i28">
 <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="#getStringValue()">getStringValue</a></span>()</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="rowColor" id="i29">
 <td class="colFirst"><code><a href="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="#getTypeName()">getTypeName</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Returns the value of <code>typeName</code>.</div>
 </td>
 </tr>
 <tr class="altColor" id="i30">
 <td class="colFirst"><code>@Nullable <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></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValue()">getValue</a></span>()</code></th>
 <td class="colLast">
 <div class="block">Returns the value of this literal.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i31">
 <td class="colFirst"><code>&lt;T&gt;&nbsp;T</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValueAs(java.lang.Class)">getValueAs</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>&lt;T&gt;&nbsp;clazz)</code></th>
 <td class="colLast">
 <div class="block">Returns the value of this literal as a given Java type.</div>
 </td>
 </tr>
 <tr class="altColor" id="i32">
 <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">&nbsp;</td>
 </tr>
 <tr class="rowColor" id="i33">
 <td class="colFirst"><code>int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#intValue(boolean)">intValue</a></span>&#8203;(boolean&nbsp;exact)</code></th>
 <td class="colLast">
 <div class="block">Returns the integer value of this literal.</div>
 </td>
 </tr>
 <tr class="altColor" id="i34">
 <td class="colFirst"><code>long</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#longValue(boolean)">longValue</a></span>&#8203;(boolean&nbsp;exact)</code></th>
 <td class="colLast">
 <div class="block">Returns the long value of this literal.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i35">
 <td class="colFirst"><code>static <a href="SqlSampleSpec.html" title="class in org.apache.calcite.sql">SqlSampleSpec</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#sampleValue(org.apache.calcite.sql.SqlNode)">sampleValue</a></span>&#8203;(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Extracts the <a href="SqlSampleSpec.html" title="class in org.apache.calcite.sql"><code>SqlSampleSpec</code></a> value from a symbol literal.</div>
 </td>
 </tr>
 <tr class="altColor" id="i36">
 <td class="colFirst"><code>int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#signum()">signum</a></span>()</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="rowColor" id="i37">
 <td class="colFirst"><code>static <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="#stringValue(org.apache.calcite.sql.SqlNode)">stringValue</a></span>&#8203;(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span>
 <div class="deprecationComment">Use <a href="#value(org.apache.calcite.sql.SqlNode)"><code>value(SqlNode)</code></a></div>
 </div>
 </td>
 </tr>
 <tr class="altColor" id="i38">
 <td class="colFirst"><code>&lt;E extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang" class="externalLink">Enum</a>&lt;E&gt;&gt;<br>@Nullable E</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#symbolValue(java.lang.Class)">symbolValue</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>&lt;E&gt;&nbsp;class_)</code></th>
 <td class="colLast">
 <div class="block">Returns the value as a symbol.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i39">
 <td class="colFirst"><code>&lt;E extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang" class="externalLink">Enum</a>&lt;E&gt;&gt;<br>@Nullable E</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#symbolValue_()">symbolValue_</a></span>()</code></th>
 <td class="colLast">
 <div class="block"><span class="deprecatedLabel">Deprecated.</span></div>
 </td>
 </tr>
 <tr class="altColor" id="i40">
 <td class="colFirst"><code>@Nullable <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="#toValue()">toValue</a></span>()</code></th>
 <td class="colLast">
 <div class="block">For calc program builder - value may be different than <a href="#unparse(org.apache.calcite.sql.SqlWriter,int,int)"><code>unparse(org.apache.calcite.sql.SqlWriter, int, int)</code></a>.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i41">
 <td class="colFirst"><code>static <a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unchain(org.apache.calcite.sql.SqlNode)">unchain</a></span>&#8203;(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Converts a chained string literals into regular literals; returns regular
  literals unchanged.</div>
 </td>
 </tr>
 <tr class="altColor" id="i42">
 <td class="colFirst"><code><a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unescapeUnicode(char)">unescapeUnicode</a></span>&#8203;(char&nbsp;unicodeEscapeChar)</code></th>
 <td class="colLast">
 <div class="block">Transforms this literal (which must be of type character) into a new one
  in which 4-digit Unicode escape sequences have been replaced with the
  corresponding Unicode characters.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i43">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unparse(org.apache.calcite.sql.SqlWriter,int,int)">unparse</a></span>&#8203;(<a href="SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
 int&nbsp;leftPrec,
 int&nbsp;rightPrec)</code></th>
 <td class="colLast">
 <div class="block">Writes a SQL representation of this node to a writer.</div>
 </td>
 </tr>
 <tr class="altColor" id="i44">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">validate</a></span>&#8203;(<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a>&nbsp;validator,
 <a href="validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</code></th>
 <td class="colLast">
 <div class="block">Validates this node.</div>
 </td>
 </tr>
 <tr class="rowColor" id="i45">
 <td class="colFirst"><code>static @Nullable <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Comparable</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#value(org.apache.calcite.sql.SqlNode)">value</a></span>&#8203;(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</code></th>
 <td class="colLast">
 <div class="block">Extracts the value from a literal.</div>
 </td>
 </tr>
 <tr class="altColor" id="i46">
 <td class="colFirst"><code>static boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#valueMatchesType(java.lang.Object,org.apache.calcite.sql.type.SqlTypeName)">valueMatchesType</a></span>&#8203;(@Nullable <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>&nbsp;value,
 <a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName)</code></th>
 <td class="colLast">
 <div class="block">Returns whether value is appropriate for its type.</div>
 </td>
 </tr>
 </tbody>
 </table>
 </div>
 </div>
 <div class="inheritedList">
 <h3>Methods inherited from class&nbsp;org.apache.calcite.sql.<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></h3>
 <a id="methods.inherited.from.class.org.apache.calcite.sql.SqlNode">
 <!--   -->
 </a><code><a href="SqlNode.html#clone()">clone</a>, <a href="SqlNode.html#clone(E)">clone</a>, <a href="SqlNode.html#cloneArray(org.apache.calcite.sql.SqlNode%5B%5D)">cloneArray</a>, <a href="SqlNode.html#equalDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalDeep</a>, <a href="SqlNode.html#equalDeep(java.util.List,java.util.List,org.apache.calcite.util.Litmus)">equalDeep</a>, <a href="SqlNode.html#equalsDeep(org.apache.calcite.sql.SqlNode,boolean)">equalsDeep</a>, <a href="SqlNode.html#findValidOptions(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope,org.apache.calcite.sql.parser.SqlParserPos,java.util.Collection)">findValidOptions</a>, <a href="SqlNode.html#getParserPosition()">getParserPosition</a>, <a href="SqlNode.html#isA(java.util.Set)">isA</a>, <a href="SqlNode.html#toList()">toList</a>, <a href="SqlNode.html#toList(org.apache.calcite.sql.parser.SqlParserPos)">toList</a>, <a href="SqlNode.html#toSqlString(org.apache.calcite.sql.SqlDialect)">toSqlString</a>, <a href="SqlNode.html#toSqlString(org.apache.calcite.sql.SqlDialect,boolean)">toSqlString</a>, <a href="SqlNode.html#toSqlString(java.util.function.UnaryOperator)">toSqlString</a>, <a href="SqlNode.html#toString()">toString</a>, <a href="SqlNode.html#unparseWithParentheses(org.apache.calcite.sql.SqlWriter,int,int,boolean)">unparseWithParentheses</a>, <a href="SqlNode.html#validateExpr(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">validateExpr</a></code></div>
 <div class="inheritedList">
 <h3>Methods inherited from class&nbsp;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#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>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="blockList">
 <!-- ============ FIELD DETAIL =========== -->
 <li class="blockList">
 <section class="fieldDetails"><a id="field.detail">
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 <h2>Field Details</h2>
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 <section class="detail">
 <h3><a id="value">value</a></h3>
 <div class="memberSignature"><span class="modifiers">protected final</span>&nbsp;<span class="returnType">@Nullable <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></span>&nbsp;<span class="memberName">value</span></div>
 <div class="block">The value of this literal. The type of the value must be appropriate for
  the typeName, as defined by the <a href="#valueMatchesType(java.lang.Object,org.apache.calcite.sql.type.SqlTypeName)"><code>valueMatchesType(java.lang.Object, org.apache.calcite.sql.type.SqlTypeName)</code></a> method.</div>
 </section>
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 </ul>
 </section>
 </li>
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
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 <section class="constructorDetails"><a id="constructor.detail">
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 <h2>Constructor Details</h2>
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 <section class="detail">
 <h3><a id="&lt;init&gt;(java.lang.Object,org.apache.calcite.sql.type.SqlTypeName,org.apache.calcite.sql.parser.SqlParserPos)">SqlLiteral</a></h3>
 <div class="memberSignature"><span class="modifiers">protected</span>&nbsp;<span class="memberName">SqlLiteral</span>&#8203;(<span class="arguments">@Nullable <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>&nbsp;value,
 <a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
 <div class="block">Creates a <code>SqlLiteral</code>.</div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
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 <section class="methodDetails"><a id="method.detail">
 <!--   -->
 </a>
 <h2>Method Details</h2>
 <ul class="blockList">
 <li class="blockList">
 <section class="detail">
 <h3><a id="getTypeName()">getTypeName</a></h3>
 <div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a></span>&nbsp;<span class="memberName">getTypeName</span>()</div>
 <div class="block">Returns the value of <code>typeName</code>.</div>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="valueMatchesType(java.lang.Object,org.apache.calcite.sql.type.SqlTypeName)">valueMatchesType</a></h3>
 <div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">valueMatchesType</span>&#8203;(<span class="arguments">@Nullable <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>&nbsp;value,
 <a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a>&nbsp;typeName)</span></div>
 <div class="block">Returns whether value is appropriate for its type. (We have rules about
  these things!)</div>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="clone(org.apache.calcite.sql.parser.SqlParserPos)">clone</a></h3>
 <div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a></span>&nbsp;<span class="memberName">clone</span>&#8203;(<span class="arguments"><a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
 <div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="SqlNode.html#clone(org.apache.calcite.sql.parser.SqlParserPos)">SqlNode</a></code></span></div>
 <div class="block">Clones a SqlNode with a different position.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlNode.html#clone(org.apache.calcite.sql.parser.SqlParserPos)">clone</a></code>&nbsp;in class&nbsp;<code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd>
 </dl>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="getKind()">getKind</a></h3>
 <div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a></span>&nbsp;<span class="memberName">getKind</span>()</div>
 <div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="SqlNode.html#getKind()">SqlNode</a></code></span></div>
 <div class="block">Returns the type of node this is, or
  <a href="SqlKind.html#OTHER"><code>SqlKind.OTHER</code></a> if it's nothing special.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
 <dd><code><a href="SqlNode.html#getKind()">getKind</a></code>&nbsp;in class&nbsp;<code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>a <a href="SqlKind.html" title="enum in org.apache.calcite.sql"><code>SqlKind</code></a> value, never null</dd>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="SqlNode.html#isA(java.util.Set)"><code>SqlNode.isA(java.util.Set&lt;org.apache.calcite.sql.SqlKind&gt;)</code></a></dd>
 </dl>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="getValue()">getValue</a></h3>
 <div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">@Nullable <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></span>&nbsp;<span class="memberName">getValue</span>()</div>
 <div class="block">Returns the value of this literal.

  <p>Try not to use this method! There are so many different kinds of
  values, it's better to to let SqlLiteral do whatever it is you want to
  do.</div>
 <dl>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="#booleanValue()"><code>booleanValue()</code></a>,
 <a href="#symbolValue(java.lang.Class)"><code>symbolValue(Class)</code></a></dd>
 </dl>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="getValueAs(java.lang.Class)">getValueAs</a></h3>
 <div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="typeParameters">&lt;T&gt;</span>&nbsp;<span class="returnType">T</span>&nbsp;<span class="memberName">getValueAs</span>&#8203;(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>&lt;T&gt;&nbsp;clazz)</span></div>
 <div class="block">Returns the value of this literal as a given Java type.

  <p>Which type you may ask for depends on <code>typeName</code>.
  You may always ask for the type where we store the value internally
  (as defined by <a href="#valueMatchesType(java.lang.Object,org.apache.calcite.sql.type.SqlTypeName)"><code>valueMatchesType(Object, SqlTypeName)</code></a>), but may
  ask for other convenient types.

  <p>For example, numeric literals' values are stored internally as
  <a href="https://docs.oracle.com/javase/9/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math" class="externalLink"><code>BigDecimal</code></a>, but other numeric types such as <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang" class="externalLink"><code>Long</code></a> and
  <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang" class="externalLink"><code>Double</code></a> are also allowed.

  <p>The result is never null. For the NULL literal, returns
  a <a href="../rel/metadata/NullSentinel.html#INSTANCE"><code>NullSentinel.INSTANCE</code></a>.</div>
 <dl>
 <dt><span class="paramLabel">Type Parameters:</span></dt>
 <dd><code>T</code> - Value type</dd>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>clazz</code> - Desired value type</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Value of the literal in desired type, never null</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/AssertionError.html?is-external=true" title="class or interface in java.lang" class="externalLink">AssertionError</a></code> - if the value type is not supported</dd>
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 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="symbolValue_()">symbolValue_</a></h3>
 <div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a>
 </span><span class="modifiers">public</span>&nbsp;<span class="typeParameters">&lt;E extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang" class="externalLink">Enum</a>&lt;E&gt;&gt;</span>&nbsp;<span class="returnType">@Nullable E</span>&nbsp;<span class="memberName">symbolValue_</span>()</div>
 <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div>
 <div class="block">Returns the value as a symbol.</div>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="symbolValue(java.lang.Class)">symbolValue</a></h3>
 <div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="typeParameters">&lt;E extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang" class="externalLink">Enum</a>&lt;E&gt;&gt;</span>&nbsp;<span class="returnType">@Nullable E</span>&nbsp;<span class="memberName">symbolValue</span>&#8203;(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>&lt;E&gt;&nbsp;class_)</span></div>
 <div class="block">Returns the value as a symbol.</div>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="booleanValue()">booleanValue</a></h3>
 <div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">booleanValue</span>()</div>
 <div class="block">Returns the value as a boolean.</div>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="sampleValue(org.apache.calcite.sql.SqlNode)">sampleValue</a></h3>
 <div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="SqlSampleSpec.html" title="class in org.apache.calcite.sql">SqlSampleSpec</a></span>&nbsp;<span class="memberName">sampleValue</span>&#8203;(<span class="arguments"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</span></div>
 <div class="block">Extracts the <a href="SqlSampleSpec.html" title="class in org.apache.calcite.sql"><code>SqlSampleSpec</code></a> value from a symbol literal.</div>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/ClassCastException.html?is-external=true" title="class or interface in java.lang" class="externalLink">ClassCastException</a></code> - if the value is not a symbol literal</dd>
 <dt><span class="seeLabel">See Also:</span></dt>
 <dd><a href="#createSymbol(java.lang.Enum,org.apache.calcite.sql.parser.SqlParserPos)"><code>createSymbol(Enum, SqlParserPos)</code></a></dd>
 </dl>
 </section>
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 <section class="detail">
 <h3><a id="value(org.apache.calcite.sql.SqlNode)">value</a></h3>
 <div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType">@Nullable <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang" class="externalLink">Comparable</a></span>&nbsp;<span class="memberName">value</span>&#8203;(<span class="arguments"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</span>
                                   throws <span class="exceptions"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink">IllegalArgumentException</a></span></div>
 <div class="block">Extracts the value from a literal.

  <p>Cases:
  <ul>
  <li>If the node is a character literal, a chain of string
  literals, or a CAST of a character literal, returns the value as a
  <a href="../util/NlsString.html" title="class in org.apache.calcite.util"><code>NlsString</code></a>.

  <li>If the node is a numeric literal, or a negated numeric literal,
  returns the value as a <a href="https://docs.oracle.com/javase/9/docs/api/java/math/BigDecimal.html?is-external=true" title="class or interface in java.math" class="externalLink"><code>BigDecimal</code></a>.

  <li>If the node is a <a href="SqlIntervalQualifier.html" title="class in org.apache.calcite.sql"><code>SqlIntervalQualifier</code></a>,
  returns its <code>TimeUnitRange</code>.

  <li>If the node is INTERVAL_DAY_TIME_ in <a href="type/SqlTypeFamily.html" title="enum in org.apache.calcite.sql.type"><code>SqlTypeFamily</code></a>,
  returns its sign multiplied by its millisecond equivalent value

  <li>If the node is INTERVAL_YEAR_MONTH_ in <a href="type/SqlTypeFamily.html" title="enum in org.apache.calcite.sql.type"><code>SqlTypeFamily</code></a>,
  returns its sign multiplied by its months equivalent value

  <li>Otherwise throws <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink"><code>IllegalArgumentException</code></a>.
  </ul></div>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink">IllegalArgumentException</a></code></dd>
 </dl>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="stringValue(org.apache.calcite.sql.SqlNode)">stringValue</a></h3>
 <div class="memberSignature"><span class="annotations"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang" class="externalLink">@Deprecated</a>
 </span><span class="modifiers">public static</span>&nbsp;<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>&nbsp;<span class="memberName">stringValue</span>&#8203;(<span class="arguments"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</span></div>
 <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span>
 <div class="deprecationComment">Use <a href="#value(org.apache.calcite.sql.SqlNode)"><code>value(SqlNode)</code></a></div>
 </div>
 <div class="block">Extracts the string value from a string literal, a chain of string
  literals, or a CAST of a string literal.</div>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="unchain(org.apache.calcite.sql.SqlNode)">unchain</a></h3>
 <div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a></span>&nbsp;<span class="memberName">unchain</span>&#8203;(<span class="arguments"><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node)</span></div>
 <div class="block">Converts a chained string literals into regular literals; returns regular
  literals unchanged.</div>
 <dl>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang" class="externalLink">IllegalArgumentException</a></code> - if <code>node</code> is not a string literal
  and cannot be unchained.</dd>
 </dl>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="toValue()">toValue</a></h3>
 <div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">@Nullable <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>&nbsp;<span class="memberName">toValue</span>()</div>
 <div class="block">For calc program builder - value may be different than <a href="#unparse(org.apache.calcite.sql.SqlWriter,int,int)"><code>unparse(org.apache.calcite.sql.SqlWriter, int, int)</code></a>.
  Typical values:

  <ul>
  <li>Hello, world!</li>
  <li>12.34</li>
  <li>{null}</li>
  <li>1969-04-29</li>
  </ul></div>
 <dl>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>string representation of the value</dd>
 </dl>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">validate</a></h3>
 <div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">validate</span>&#8203;(<span class="arguments"><a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a>&nbsp;validator,
 <a href="validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a>&nbsp;scope)</span></div>
 <div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="SqlNode.html#validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">SqlNode</a></code></span></div>
 <div class="block">Validates this node.

  <p>The typical implementation of this method will make a callback to the
  validator appropriate to the node type and context. The validator has
  methods such as <a href="validate/SqlValidator.html#validateLiteral(org.apache.calcite.sql.SqlLiteral)"><code>SqlValidator.validateLiteral(org.apache.calcite.sql.SqlLiteral)</code></a> for these purposes.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlNode.html#validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)">validate</a></code>&nbsp;in class&nbsp;<code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd>
 <dd><code>scope</code> - Validator</dd>
 </dl>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="accept(org.apache.calcite.sql.util.SqlVisitor)">accept</a></h3>
 <div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="typeParameters">&lt;R&gt;</span>&nbsp;<span class="returnType">R</span>&nbsp;<span class="memberName">accept</span>&#8203;(<span class="arguments"><a href="util/SqlVisitor.html" title="interface in org.apache.calcite.sql.util">SqlVisitor</a>&lt;R&gt;&nbsp;visitor)</span></div>
 <div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="SqlNode.html#accept(org.apache.calcite.sql.util.SqlVisitor)">SqlNode</a></code></span></div>
 <div class="block">Accepts a generic visitor.

  <p>Implementations of this method in subtypes simply call the appropriate
  <code>visit</code> method on the
  <a href="util/SqlVisitor.html" title="interface in org.apache.calcite.sql.util"><code>visitor object</code></a>.

  <p>The type parameter <code>R</code> must be consistent with the type
  parameter of the visitor.</div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlNode.html#accept(org.apache.calcite.sql.util.SqlVisitor)">accept</a></code>&nbsp;in class&nbsp;<code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd>
 </dl>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></h3>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="SqlNode.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">SqlNode</a></code></span></div>
 <div class="block">Returns whether this node is structurally equivalent to another node.
  Some examples:

  <ul>
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  <li>1 + 2 + 3 is structurally equivalent to (1 + 2) + 3, but not to 1 +
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  </ul></div>
 <dl>
 <dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
 <dd><code><a href="SqlNode.html#equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)">equalsDeep</a></code>&nbsp;in class&nbsp;<code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd>
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 <div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="SqlNode.html#getMonotonicity(org.apache.calcite.sql.validate.SqlValidatorScope)">SqlNode</a></code></span></div>
 <div class="block">Returns whether expression is always ascending, descending or constant.
  This property is useful because it allows to safely aggregate infinite
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  <p>The default implementation returns
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 <dl>
 <dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
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 <dt><span class="paramLabel">Parameters:</span></dt>
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 <div class="block">Creates a NULL literal.

  <p>There's no singleton constant for a NULL literal. Instead, nulls must
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 <div class="block">Creates a literal which represents a parser symbol, for example the
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 <dl>
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 <h3><a id="longValue(boolean)">longValue</a></h3>
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  <p>The algorithm handles left- and right-associative operators by giving
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 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>writer</code> - Target writer</dd>
 <dd><code>leftPrec</code> - The precedence of the <a href="SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a> immediately
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 <div class="block">Creates a literal like X'ABAB'. Although it matters when we derive a type
  for this beastie, we don't care at this point whether the number of
  hexits is odd or even.</div>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="createBinaryString(byte[],org.apache.calcite.sql.parser.SqlParserPos)">createBinaryString</a></h3>
 <div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="SqlBinaryStringLiteral.html" title="class in org.apache.calcite.sql">SqlBinaryStringLiteral</a></span>&nbsp;<span class="memberName">createBinaryString</span>&#8203;(<span class="arguments">byte[]&nbsp;bytes,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
 <div class="block">Creates a literal like X'ABAB' from an array of bytes.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>bytes</code> - Contents of binary literal</dd>
 <dd><code>pos</code> - Parser position</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>Binary string literal</dd>
 </dl>
 </section>
 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="createCharString(java.lang.String,org.apache.calcite.sql.parser.SqlParserPos)">createCharString</a></h3>
 <div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="SqlCharStringLiteral.html" title="class in org.apache.calcite.sql">SqlCharStringLiteral</a></span>&nbsp;<span class="memberName">createCharString</span>&#8203;(<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>&nbsp;s,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
 <div class="block">Creates a string literal in the system character set.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>s</code> - a string (without the sql single quotes)</dd>
 <dd><code>pos</code> - Parser position</dd>
 </dl>
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 </li>
 <li class="blockList">
 <section class="detail">
 <h3><a id="createCharString(java.lang.String,java.lang.String,org.apache.calcite.sql.parser.SqlParserPos)">createCharString</a></h3>
 <div class="memberSignature"><span class="modifiers">public static</span>&nbsp;<span class="returnType"><a href="SqlCharStringLiteral.html" title="class in org.apache.calcite.sql">SqlCharStringLiteral</a></span>&nbsp;<span class="memberName">createCharString</span>&#8203;(<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>&nbsp;s,
 @Nullable <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>&nbsp;charSet,
 <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a>&nbsp;pos)</span></div>
 <div class="block">Creates a string literal, with optional character-set.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>s</code> - a string (without the sql single quotes)</dd>
 <dd><code>charSet</code> - character set name, null means take system default</dd>
 <dd><code>pos</code> - Parser position</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>A string literal</dd>
 <dt><span class="throwsLabel">Throws:</span></dt>
 <dd><code><a href="https://docs.oracle.com/javase/9/docs/api/java/nio/charset/UnsupportedCharsetException.html?is-external=true" title="class or interface in java.nio.charset" class="externalLink">UnsupportedCharsetException</a></code> - if charSet is not null but there is
                                      no character set with that name in this
                                      environment</dd>
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 </li>
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 <section class="detail">
 <h3><a id="unescapeUnicode(char)">unescapeUnicode</a></h3>
 <div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlLiteral.html" title="class in org.apache.calcite.sql">SqlLiteral</a></span>&nbsp;<span class="memberName">unescapeUnicode</span>&#8203;(<span class="arguments">char&nbsp;unicodeEscapeChar)</span></div>
 <div class="block">Transforms this literal (which must be of type character) into a new one
  in which 4-digit Unicode escape sequences have been replaced with the
  corresponding Unicode characters.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>unicodeEscapeChar</code> - escape character (e.g. backslash) for Unicode
                           numeric sequences; 0 implies no transformation</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>transformed literal</dd>
 </dl>
 </section>
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