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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.sql.dialect</a></div>
<h1 title="Class MssqlSqlDialect" class="title">Class MssqlSqlDialect</h1>
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<div class="inheritance"><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlDialect</a>
<div class="inheritance">org.apache.calcite.sql.dialect.MssqlSqlDialect</div>
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<pre>public class <span class="typeNameLabel">MssqlSqlDialect</span>
extends <a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></pre>
<div class="block">A <code>SqlDialect</code> implementation for the Microsoft SQL Server
database.</div>
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<h2>Nested Class Summary</h2>
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<h2>Nested classes/interfaces inherited from class&nbsp;org.apache.calcite.sql.<a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></h2>
<a id="nested.classes.inherited.from.class.org.apache.calcite.sql.SqlDialect">
<!-- -->
</a><code><a href="../SqlDialect.CalendarPolicy.html" title="enum in org.apache.calcite.sql">SqlDialect.CalendarPolicy</a>, <a href="../SqlDialect.Context.html" title="interface in org.apache.calcite.sql">SqlDialect.Context</a>, <a href="../SqlDialect.DatabaseProduct.html" title="enum in org.apache.calcite.sql">SqlDialect.DatabaseProduct</a>, <a href="../SqlDialect.FakeUtil.html" title="class in org.apache.calcite.sql">SqlDialect.FakeUtil</a></code></div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>static <a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DEFAULT">DEFAULT</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>static <a href="../SqlDialect.Context.html" title="interface in org.apache.calcite.sql">SqlDialect.Context</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DEFAULT_CONTEXT">DEFAULT_CONTEXT</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<div class="inheritedList">
<h3>Fields inherited from class&nbsp;org.apache.calcite.sql.<a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></h3>
<a id="fields.inherited.from.class.org.apache.calcite.sql.SqlDialect">
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</a><code><a href="../SqlDialect.html#BUILT_IN_OPERATORS_LIST">BUILT_IN_OPERATORS_LIST</a>, <a href="../SqlDialect.html#EMPTY_CONTEXT">EMPTY_CONTEXT</a>, <a href="../SqlDialect.html#identifierEndQuoteString">identifierEndQuoteString</a>, <a href="../SqlDialect.html#identifierEscapedQuote">identifierEscapedQuote</a>, <a href="../SqlDialect.html#identifierQuoteString">identifierQuoteString</a>, <a href="../SqlDialect.html#literalEndQuoteString">literalEndQuoteString</a>, <a href="../SqlDialect.html#literalEscapedQuote">literalEscapedQuote</a>, <a href="../SqlDialect.html#literalQuoteString">literalQuoteString</a>, <a href="../SqlDialect.html#LOGGER">LOGGER</a>, <a href="../SqlDialect.html#nullCollation">nullCollation</a></code></div>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.sql.SqlDialect.Context)">MssqlSqlDialect</a></span>&#8203;(<a href="../SqlDialect.Context.html" title="interface in org.apache.calcite.sql">SqlDialect.Context</a>&nbsp;context)</code></th>
<td class="colLast">
<div class="block">Creates a MssqlSqlDialect.</div>
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<h2>Method Summary</h2>
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<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="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></div>
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<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>@Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#emulateNullDirection(org.apache.calcite.sql.SqlNode,boolean,boolean)">emulateNullDirection</a></span>&#8203;(<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
boolean&nbsp;nullsFirst,
boolean&nbsp;desc)</code></th>
<td class="colLast">
<div class="block">Returns the SqlNode for emulating the null direction for the given field
or <code>null</code> if no emulation needs to be done.</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="#supportsCharSet()">supportsCharSet</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns whether the dialect supports character set names as part of a
data type, for instance <code>VARCHAR(30) CHARACTER SET `ISO-8859-1`</code>.</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="#supportsGroupByWithCube()">supportsGroupByWithCube</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns whether this dialect supports "WITH CUBE" in "GROUP BY" clause.</div>
</td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#supportsGroupByWithRollup()">supportsGroupByWithRollup</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns whether this dialect supports "WITH ROLLUP" in the "GROUP BY"
clause.</div>
</td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unparseCall(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,int,int)">unparseCall</a></span>&#8203;(<a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unparseDateTimeLiteral(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlAbstractDateTimeLiteral,int,int)">unparseDateTimeLiteral</a></span>&#8203;(<a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../SqlAbstractDateTimeLiteral.html" title="class in org.apache.calcite.sql">SqlAbstractDateTimeLiteral</a>&nbsp;literal,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unparseOffsetFetch(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)">unparseOffsetFetch</a></span>&#8203;(<a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
@Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;offset,
@Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;fetch)</code></th>
<td class="colLast">
<div class="block">Converts an offset and fetch into SQL.</div>
</td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unparseSqlDatetimeArithmetic(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlKind,int,int)">unparseSqlDatetimeArithmetic</a></span>&#8203;(<a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
<a href="../SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>&nbsp;sqlKind,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor" id="i8">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unparseSqlIntervalLiteral(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlIntervalLiteral,int,int)">unparseSqlIntervalLiteral</a></span>&#8203;(<a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../SqlIntervalLiteral.html" title="class in org.apache.calcite.sql">SqlIntervalLiteral</a>&nbsp;literal,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</code></th>
<td class="colLast">
<div class="block">Converts an interval literal to a SQL string.</div>
</td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unparseSqlIntervalQualifier(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlIntervalQualifier,org.apache.calcite.rel.type.RelDataTypeSystem)">unparseSqlIntervalQualifier</a></span>&#8203;(<a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a>&nbsp;qualifier,
<a href="../../rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a>&nbsp;typeSystem)</code></th>
<td class="colLast">
<div class="block">Converts an interval qualifier to a SQL string.</div>
</td>
</tr>
<tr class="altColor" id="i10">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unparseTopN(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)">unparseTopN</a></span>&#8203;(<a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
@Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;offset,
@Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;fetch)</code></th>
<td class="colLast">
<div class="block">Converts a fetch into a "SELECT TOP(fetch)".</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="inheritedList">
<h3>Methods inherited from class&nbsp;org.apache.calcite.sql.<a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></h3>
<a id="methods.inherited.from.class.org.apache.calcite.sql.SqlDialect">
<!-- -->
</a><code><a href="../SqlDialect.html#allowsAs()">allowsAs</a>, <a href="../SqlDialect.html#configureParser(org.apache.calcite.sql.parser.SqlParser.Config)">configureParser</a>, <a href="../SqlDialect.html#configureParser(org.apache.calcite.sql.parser.SqlParser.ConfigBuilder)">configureParser</a>, <a href="../SqlDialect.html#containsNonAscii(java.lang.String)">containsNonAscii</a>, <a href="../SqlDialect.html#create(java.sql.DatabaseMetaData)">create</a>, <a href="../SqlDialect.html#defaultNullDirection(org.apache.calcite.rel.RelFieldCollation.Direction)">defaultNullDirection</a>, <a href="../SqlDialect.html#emulateJoinTypeForCrossJoin()">emulateJoinTypeForCrossJoin</a>, <a href="../SqlDialect.html#emulateNullDirectionWithIsNull(org.apache.calcite.sql.SqlNode,boolean,boolean)">emulateNullDirectionWithIsNull</a>, <a href="../SqlDialect.html#getCalendarPolicy()">getCalendarPolicy</a>, <a href="../SqlDialect.html#getCastSpec(org.apache.calcite.rel.type.RelDataType)">getCastSpec</a>, <a href="../SqlDialect.html#getConformance()">getConformance</a>, <a href="../SqlDialect.html#getDatabaseProduct()">getDatabaseProduct</a>, <a href="../SqlDialect.html#getNullCollation()">getNullCollation</a>, <a href="../SqlDialect.html#getProduct(java.lang.String,java.lang.String)">getProduct</a>, <a href="../SqlDialect.html#getQuotedCasing()">getQuotedCasing</a>, <a href="../SqlDialect.html#getQuoting()">getQuoting</a>, <a href="../SqlDialect.html#getSingleRowTableName()">getSingleRowTableName</a>, <a href="../SqlDialect.html#getTypeSystem()">getTypeSystem</a>, <a href="../SqlDialect.html#getUnquotedCasing()">getUnquotedCasing</a>, <a href="../SqlDialect.html#hasImplicitTableAlias()">hasImplicitTableAlias</a>, <a href="../SqlDialect.html#identifierNeedsQuote(java.lang.String)">identifierNeedsQuote</a>, <a href="../SqlDialect.html#isCaseSensitive()">isCaseSensitive</a>, <a href="../SqlDialect.html#quoteIdentifier(java.lang.String)">quoteIdentifier</a>, <a href="../SqlDialect.html#quoteIdentifier(java.lang.StringBuilder,java.lang.String)">quoteIdentifier</a>, <a href="../SqlDialect.html#quoteIdentifier(java.lang.StringBuilder,java.util.List)">quoteIdentifier</a>, <a href="../SqlDialect.html#quoteStringLiteral(java.lang.String)">quoteStringLiteral</a>, <a href="../SqlDialect.html#quoteStringLiteral(java.lang.StringBuilder,java.lang.String,java.lang.String)">quoteStringLiteral</a>, <a href="../SqlDialect.html#quoteStringLiteralUnicode(java.lang.StringBuilder,java.lang.String)">quoteStringLiteralUnicode</a>, <a href="../SqlDialect.html#quoteTimestampLiteral(java.sql.Timestamp)">quoteTimestampLiteral</a>, <a href="../SqlDialect.html#requiresAliasForFromItems()">requiresAliasForFromItems</a>, <a href="../SqlDialect.html#rewriteSingleValueExpr(org.apache.calcite.sql.SqlNode)">rewriteSingleValueExpr</a>, <a href="../SqlDialect.html#supportsAggregateFunction(org.apache.calcite.sql.SqlKind)">supportsAggregateFunction</a>, <a href="../SqlDialect.html#supportsAggregateFunctionFilter()">supportsAggregateFunctionFilter</a>, <a href="../SqlDialect.html#supportsAliasedValues()">supportsAliasedValues</a>, <a href="../SqlDialect.html#supportsDataType(org.apache.calcite.rel.type.RelDataType)">supportsDataType</a>, <a href="../SqlDialect.html#supportsFunction(org.apache.calcite.sql.SqlOperator,org.apache.calcite.rel.type.RelDataType,java.util.List)">supportsFunction</a>, <a href="../SqlDialect.html#supportsImplicitTypeCoercion(org.apache.calcite.rex.RexCall)">supportsImplicitTypeCoercion</a>, <a href="../SqlDialect.html#supportsNestedAggregations()">supportsNestedAggregations</a>, <a href="../SqlDialect.html#supportsOffsetFetch()">supportsOffsetFetch</a>, <a href="../SqlDialect.html#supportsWindowFunctions()">supportsWindowFunctions</a>, <a href="../SqlDialect.html#unparseFetchUsingAnsi(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)">unparseFetchUsingAnsi</a>, <a href="../SqlDialect.html#unparseFetchUsingLimit(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)">unparseFetchUsingLimit</a>, <a href="../SqlDialect.html#unparseLimit(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode)">unparseLimit</a>, <a href="../SqlDialect.html#unparseOffset(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode)">unparseOffset</a>, <a href="../SqlDialect.html#unquoteStringLiteral(java.lang.String)">unquoteStringLiteral</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#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#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</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#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</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#toString()" title="class or interface in java.lang" class="externalLink">toString</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>
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<div class="memberSignature"><span class="modifiers">public static final</span>&nbsp;<span class="returnType"><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></span>&nbsp;<span class="memberName">DEFAULT</span></div>
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<h3><a id="&lt;init&gt;(org.apache.calcite.sql.SqlDialect.Context)">MssqlSqlDialect</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="memberName">MssqlSqlDialect</span>&#8203;(<span class="arguments"><a href="../SqlDialect.Context.html" title="interface in org.apache.calcite.sql">SqlDialect.Context</a>&nbsp;context)</span></div>
<div class="block">Creates a MssqlSqlDialect.</div>
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<h3><a id="emulateNullDirection(org.apache.calcite.sql.SqlNode,boolean,boolean)">emulateNullDirection</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">@Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span>&nbsp;<span class="memberName">emulateNullDirection</span>&#8203;(<span class="arguments"><a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;node,
boolean&nbsp;nullsFirst,
boolean&nbsp;desc)</span></div>
<div class="block">Returns the SqlNode for emulating the null direction for the given field
or <code>null</code> if no emulation needs to be done.
<p>MSSQL does not support NULLS FIRST, so we emulate using CASE
expressions. For example,
<blockquote><code>ORDER BY x NULLS FIRST</code></blockquote>
<p>becomes
<blockquote>
<code>ORDER BY CASE WHEN x IS NULL THEN 0 ELSE 1 END, x</code>
</blockquote></div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../SqlDialect.html#emulateNullDirection(org.apache.calcite.sql.SqlNode,boolean,boolean)">emulateNullDirection</a></code>&nbsp;in class&nbsp;<code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>node</code> - The SqlNode representing the expression</dd>
<dd><code>nullsFirst</code> - Whether nulls should come first</dd>
<dd><code>desc</code> - Whether the sort direction is
<a href="../../rel/RelFieldCollation.Direction.html#DESCENDING"><code>RelFieldCollation.Direction.DESCENDING</code></a> or
<a href="../../rel/RelFieldCollation.Direction.html#STRICTLY_DESCENDING"><code>RelFieldCollation.Direction.STRICTLY_DESCENDING</code></a></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A SqlNode for null direction emulation or <code>null</code> if not required</dd>
</dl>
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<h3><a id="unparseOffsetFetch(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)">unparseOffsetFetch</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">unparseOffsetFetch</span>&#8203;(<span class="arguments"><a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
@Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;offset,
@Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;fetch)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../SqlDialect.html#unparseOffsetFetch(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)">SqlDialect</a></code></span></div>
<div class="block">Converts an offset and fetch into SQL.
<p>At least one of <code>offset</code> and <code>fetch</code> must be provided.
<p>Common options:
<ul>
<li><code>OFFSET offset ROWS FETCH NEXT fetch ROWS ONLY</code>
(ANSI standard SQL, Oracle, PostgreSQL, and the default)
<li><code>LIMIT fetch OFFSET offset</code> (Apache Hive, MySQL, Redshift)
</ul></div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../SqlDialect.html#unparseOffsetFetch(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)">unparseOffsetFetch</a></code>&nbsp;in class&nbsp;<code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>writer</code> - Writer</dd>
<dd><code>offset</code> - Number of rows to skip before emitting, or null</dd>
<dd><code>fetch</code> - Number of rows to fetch, or null</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../SqlDialect.html#unparseFetchUsingAnsi(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)"><code>SqlDialect.unparseFetchUsingAnsi(SqlWriter, SqlNode, SqlNode)</code></a>,
<a href="../SqlDialect.html#unparseFetchUsingLimit(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)"><code>SqlDialect.unparseFetchUsingLimit(SqlWriter, SqlNode, SqlNode)</code></a></dd>
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<h3><a id="unparseTopN(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)">unparseTopN</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">unparseTopN</span>&#8203;(<span class="arguments"><a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
@Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;offset,
@Nullable <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;fetch)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../SqlDialect.html#unparseTopN(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)">SqlDialect</a></code></span></div>
<div class="block">Converts a fetch into a "SELECT TOP(fetch)".
<p>A dialect that uses "TOP" syntax should override this method to print
"TOP(fetch)", and override <a href="../SqlDialect.html#unparseOffsetFetch(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)"><code>SqlDialect.unparseOffsetFetch(org.apache.calcite.sql.SqlWriter, org.apache.calcite.sql.SqlNode, org.apache.calcite.sql.SqlNode)</code></a> to no-op.
<p>The default implementation of this method is no-op.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../SqlDialect.html#unparseTopN(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)">unparseTopN</a></code>&nbsp;in class&nbsp;<code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>writer</code> - Writer</dd>
<dd><code>offset</code> - Number of rows to skip before emitting, or null</dd>
<dd><code>fetch</code> - Number of rows to fetch, or null</dd>
</dl>
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<h3><a id="unparseDateTimeLiteral(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlAbstractDateTimeLiteral,int,int)">unparseDateTimeLiteral</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">unparseDateTimeLiteral</span>&#8203;(<span class="arguments"><a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../SqlAbstractDateTimeLiteral.html" title="class in org.apache.calcite.sql">SqlAbstractDateTimeLiteral</a>&nbsp;literal,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</span></div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../SqlDialect.html#unparseDateTimeLiteral(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlAbstractDateTimeLiteral,int,int)">unparseDateTimeLiteral</a></code>&nbsp;in class&nbsp;<code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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<h3><a id="unparseCall(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,int,int)">unparseCall</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">unparseCall</span>&#8203;(<span class="arguments"><a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</span></div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../SqlDialect.html#unparseCall(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,int,int)">unparseCall</a></code>&nbsp;in class&nbsp;<code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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<h3><a id="supportsCharSet()">supportsCharSet</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">supportsCharSet</span>()</div>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../SqlDialect.html#supportsCharSet()">SqlDialect</a></code></span></div>
<div class="block">Returns whether the dialect supports character set names as part of a
data type, for instance <code>VARCHAR(30) CHARACTER SET `ISO-8859-1`</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../SqlDialect.html#supportsCharSet()">supportsCharSet</a></code>&nbsp;in class&nbsp;<code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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<h3><a id="supportsGroupByWithRollup()">supportsGroupByWithRollup</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">supportsGroupByWithRollup</span>()</div>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../SqlDialect.html#supportsGroupByWithRollup()">SqlDialect</a></code></span></div>
<div class="block">Returns whether this dialect supports "WITH ROLLUP" in the "GROUP BY"
clause.
<p>For instance, in MySQL version 5,
<blockquote>
<code>
SELECT deptno, job, COUNT(*) AS c
FROM emp
GROUP BY deptno, job WITH ROLLUP
</code>
</blockquote>
<p>is equivalent to standard SQL
<blockquote>
<code>
SELECT deptno, job, COUNT(*) AS c
FROM emp
GROUP BY ROLLUP(deptno, job)
ORDER BY deptno, job
</code>
</blockquote>
<p>The "WITH ROLLUP" clause was introduced in MySQL and is not standard
SQL.
<p>See also <a href="../SqlDialect.html#supportsAggregateFunction(org.apache.calcite.sql.SqlKind)"><code>SqlDialect.supportsAggregateFunction(SqlKind)</code></a> applied to
<a href="../SqlKind.html#ROLLUP"><code>SqlKind.ROLLUP</code></a>, which returns true in MySQL 8 and higher.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../SqlDialect.html#supportsGroupByWithRollup()">supportsGroupByWithRollup</a></code>&nbsp;in class&nbsp;<code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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<h3><a id="supportsGroupByWithCube()">supportsGroupByWithCube</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">boolean</span>&nbsp;<span class="memberName">supportsGroupByWithCube</span>()</div>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../SqlDialect.html#supportsGroupByWithCube()">SqlDialect</a></code></span></div>
<div class="block">Returns whether this dialect supports "WITH CUBE" in "GROUP BY" clause.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../SqlDialect.html#supportsGroupByWithCube()">supportsGroupByWithCube</a></code>&nbsp;in class&nbsp;<code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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<h3><a id="unparseSqlDatetimeArithmetic(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlKind,int,int)">unparseSqlDatetimeArithmetic</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">unparseSqlDatetimeArithmetic</span>&#8203;(<span class="arguments"><a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
<a href="../SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a>&nbsp;sqlKind,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</span></div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../SqlDialect.html#unparseSqlDatetimeArithmetic(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlKind,int,int)">unparseSqlDatetimeArithmetic</a></code>&nbsp;in class&nbsp;<code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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<h3><a id="unparseSqlIntervalQualifier(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlIntervalQualifier,org.apache.calcite.rel.type.RelDataTypeSystem)">unparseSqlIntervalQualifier</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">unparseSqlIntervalQualifier</span>&#8203;(<span class="arguments"><a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a>&nbsp;qualifier,
<a href="../../rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a>&nbsp;typeSystem)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../SqlDialect.html#unparseSqlIntervalQualifier(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlIntervalQualifier,org.apache.calcite.rel.type.RelDataTypeSystem)">SqlDialect</a></code></span></div>
<div class="block">Converts an interval qualifier to a SQL string. The default implementation
returns strings such as
<code>INTERVAL '1 2:3:4' DAY(4) TO SECOND(4)</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../SqlDialect.html#unparseSqlIntervalQualifier(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlIntervalQualifier,org.apache.calcite.rel.type.RelDataTypeSystem)">unparseSqlIntervalQualifier</a></code>&nbsp;in class&nbsp;<code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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<h3><a id="unparseSqlIntervalLiteral(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlIntervalLiteral,int,int)">unparseSqlIntervalLiteral</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">unparseSqlIntervalLiteral</span>&#8203;(<span class="arguments"><a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../SqlIntervalLiteral.html" title="class in org.apache.calcite.sql">SqlIntervalLiteral</a>&nbsp;literal,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../SqlDialect.html#unparseSqlIntervalLiteral(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlIntervalLiteral,int,int)">SqlDialect</a></code></span></div>
<div class="block">Converts an interval literal to a SQL string. The default implementation
returns strings such as
<code>INTERVAL '1 2:3:4' DAY(4) TO SECOND(4)</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../SqlDialect.html#unparseSqlIntervalLiteral(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlIntervalLiteral,int,int)">unparseSqlIntervalLiteral</a></code>&nbsp;in class&nbsp;<code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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