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<div class="subTitle">org.apache.calcite.sql.dialect</div>
<h2 title="Class OracleSqlDialect" class="title">Class OracleSqlDialect</h2>
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<ul class="inheritance">
<li><a href="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlDialect</a></li>
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<li>org.apache.calcite.sql.dialect.OracleSqlDialect</li>
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<pre>public class <span class="typeNameLabel">OracleSqlDialect</span>
extends <a href="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></pre>
<div class="block">A <code>SqlDialect</code> implementation for the Oracle database.</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.calcite.sql.<a href="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></h3>
<code><a href="../../../../../org/apache/calcite/sql/SqlDialect.CalendarPolicy.html" title="enum in org.apache.calcite.sql">SqlDialect.CalendarPolicy</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.Context.html" title="interface in org.apache.calcite.sql">SqlDialect.Context</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.DatabaseProduct.html" title="enum in org.apache.calcite.sql">SqlDialect.DatabaseProduct</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.FakeUtil.html" title="class in org.apache.calcite.sql">SqlDialect.FakeUtil</a></code></li>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/dialect/OracleSqlDialect.html#DEFAULT">DEFAULT</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../../../org/apache/calcite/sql/SqlDialect.Context.html" title="interface in org.apache.calcite.sql">SqlDialect.Context</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/dialect/OracleSqlDialect.html#DEFAULT_CONTEXT">DEFAULT_CONTEXT</a></span></code>&nbsp;</td>
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<h3>Fields inherited from class&nbsp;org.apache.calcite.sql.<a href="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></h3>
<code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html#BUILT_IN_OPERATORS_LIST">BUILT_IN_OPERATORS_LIST</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#CALCITE">CALCITE</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#DUMMY">DUMMY</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#EMPTY_CONTEXT">EMPTY_CONTEXT</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#identifierEndQuoteString">identifierEndQuoteString</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#identifierEscapedQuote">identifierEscapedQuote</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#identifierQuoteString">identifierQuoteString</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#literalEndQuoteString">literalEndQuoteString</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#literalEscapedQuote">literalEscapedQuote</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#literalQuoteString">literalQuoteString</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#LOGGER">LOGGER</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#nullCollation">nullCollation</a></code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/dialect/OracleSqlDialect.html#OracleSqlDialect-org.apache.calcite.sql.SqlDialect.Context-">OracleSqlDialect</a></span>(<a href="../../../../../org/apache/calcite/sql/SqlDialect.Context.html" title="interface in org.apache.calcite.sql">SqlDialect.Context</a>&nbsp;context)</code>
<div class="block">Creates an OracleSqlDialect.</div>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/dialect/OracleSqlDialect.html#allowsAs--">allowsAs</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/dialect/OracleSqlDialect.html#getCastSpec-org.apache.calcite.rel.type.RelDataType-">getCastSpec</a></span>(<a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type)</code>
<div class="block">Returns SqlNode for type in "cast(column as type)", which might be
different between databases by type name, precision etc.</div>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/dialect/OracleSqlDialect.html#getSingleRowTableName--">getSingleRowTableName</a></span>()</code>
<div class="block">Returns the name of the system table that has precisely one row.</div>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/dialect/OracleSqlDialect.html#supportsAliasedValues--">supportsAliasedValues</a></span>()</code>
<div class="block">Returns whether the dialect supports VALUES in a sub-query with
and an "AS t(column, ...)" values to define column names.</div>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/dialect/OracleSqlDialect.html#supportsCharSet--">supportsCharSet</a></span>()</code>
<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>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/dialect/OracleSqlDialect.html#supportsDataType-org.apache.calcite.rel.type.RelDataType-">supportsDataType</a></span>(<a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type)</code>
<div class="block">Returns whether this dialect supports a given type.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/dialect/OracleSqlDialect.html#unparseCall-org.apache.calcite.sql.SqlWriter-org.apache.calcite.sql.SqlCall-int-int-">unparseCall</a></span>(<a href="../../../../../org/apache/calcite/sql/SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../../../../../org/apache/calcite/sql/SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</code>&nbsp;</td>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/calcite/sql/dialect/OracleSqlDialect.html#unparseDateTimeLiteral-org.apache.calcite.sql.SqlWriter-org.apache.calcite.sql.SqlAbstractDateTimeLiteral-int-int-">unparseDateTimeLiteral</a></span>(<a href="../../../../../org/apache/calcite/sql/SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../../../../../org/apache/calcite/sql/SqlAbstractDateTimeLiteral.html" title="class in org.apache.calcite.sql">SqlAbstractDateTimeLiteral</a>&nbsp;literal,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;org.apache.calcite.sql.<a href="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></h3>
<code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html#configureParser-org.apache.calcite.sql.parser.SqlParser.ConfigBuilder-">configureParser</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#containsNonAscii-java.lang.String-">containsNonAscii</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#create-java.sql.DatabaseMetaData-">create</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#defaultNullDirection-org.apache.calcite.rel.RelFieldCollation.Direction-">defaultNullDirection</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#emulateJoinTypeForCrossJoin--">emulateJoinTypeForCrossJoin</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#emulateNullDirection-org.apache.calcite.sql.SqlNode-boolean-boolean-">emulateNullDirection</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#emulateNullDirectionWithIsNull-org.apache.calcite.sql.SqlNode-boolean-boolean-">emulateNullDirectionWithIsNull</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#getCalendarPolicy--">getCalendarPolicy</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#getConformance--">getConformance</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#getDatabaseProduct--">getDatabaseProduct</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#getNullCollation--">getNullCollation</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#getProduct-java.lang.String-java.lang.String-">getProduct</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#getQuotedCasing--">getQuotedCasing</a>, <a href="../../../../../org/apache/calcite/sql/SqlDialect.html#getQuoting--">getQuoting</a>, <a 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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<pre>public static final&nbsp;<a href="../../../../../org/apache/calcite/sql/SqlDialect.Context.html" title="interface in org.apache.calcite.sql">SqlDialect.Context</a> DEFAULT_CONTEXT</pre>
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<pre>public static final&nbsp;<a href="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a> DEFAULT</pre>
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<pre>public&nbsp;OracleSqlDialect(<a href="../../../../../org/apache/calcite/sql/SqlDialect.Context.html" title="interface in org.apache.calcite.sql">SqlDialect.Context</a>&nbsp;context)</pre>
<div class="block">Creates an OracleSqlDialect.</div>
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<pre>public&nbsp;boolean&nbsp;supportsCharSet()</pre>
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<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="../../../../../org/apache/calcite/sql/SqlDialect.html#supportsCharSet--">supportsCharSet</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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<pre>public&nbsp;boolean&nbsp;supportsDataType(<a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html#supportsDataType-org.apache.calcite.rel.type.RelDataType-">SqlDialect</a></code></span></div>
<div class="block">Returns whether this dialect supports a given type.</div>
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<dd><code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html#supportsDataType-org.apache.calcite.rel.type.RelDataType-">supportsDataType</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/calcite/sql/SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>&nbsp;getCastSpec(<a href="../../../../../org/apache/calcite/rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a>&nbsp;type)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html#getCastSpec-org.apache.calcite.rel.type.RelDataType-">SqlDialect</a></code></span></div>
<div class="block">Returns SqlNode for type in "cast(column as type)", which might be
different between databases by type name, precision etc.</div>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html#getCastSpec-org.apache.calcite.rel.type.RelDataType-">getCastSpec</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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<pre>public&nbsp;boolean&nbsp;supportsAliasedValues()</pre>
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<div class="block">Returns whether the dialect supports VALUES in a sub-query with
and an "AS t(column, ...)" values to define column names.
<p>Currently, only Oracle does not. For this, we generate "SELECT v0 AS c0,
v1 AS c1 ... UNION ALL ...". We may need to refactor this method when we
support VALUES for other dialects.</div>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html#supportsAliasedValues--">supportsAliasedValues</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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<pre>public&nbsp;void&nbsp;unparseDateTimeLiteral(<a href="../../../../../org/apache/calcite/sql/SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../../../../../org/apache/calcite/sql/SqlAbstractDateTimeLiteral.html" title="class in org.apache.calcite.sql">SqlAbstractDateTimeLiteral</a>&nbsp;literal,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</pre>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/sql/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="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;getSingleRowTableName()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html#getSingleRowTableName--">SqlDialect</a></code></span></div>
<div class="block">Returns the name of the system table that has precisely one row.
If there is no such table, returns null, and we will generate SELECT with
no FROM clause.
<p>For <code>VALUES 1</code>,
Oracle returns ["DUAL"] and we generate "SELECT 1 FROM DUAL";
MySQL returns null and we generate "SELECT 1".</div>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html#getSingleRowTableName--">getSingleRowTableName</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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<pre>public&nbsp;void&nbsp;unparseCall(<a href="../../../../../org/apache/calcite/sql/SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a>&nbsp;writer,
<a href="../../../../../org/apache/calcite/sql/SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a>&nbsp;call,
int&nbsp;leftPrec,
int&nbsp;rightPrec)</pre>
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<dd><code><a href="../../../../../org/apache/calcite/sql/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="../../../../../org/apache/calcite/sql/SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd>
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