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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.sql.dialect</a></div> |
| <h1 title="Class OracleSqlDialect" class="title">Class OracleSqlDialect</h1> |
| </div> |
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| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">java.lang.Object</a> |
| <div class="inheritance"><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.OracleSqlDialect</div> |
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| </div> |
| <section class="description"> |
| <hr> |
| <pre>public class <span class="typeNameLabel">OracleSqlDialect</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 Oracle database.</div> |
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| <h2>Nested Class Summary</h2> |
| <div class="inheritedList"> |
| <h2>Nested classes/interfaces inherited from class 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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| <h2>Field Summary</h2> |
| <div class="memberSummary"> |
| <table> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><code>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"> </td> |
| </tr> |
| <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"> </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <div class="inheritedList"> |
| <h3>Fields inherited from class 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"> |
| <!-- --> |
| </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> |
| </section> |
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| <section class="constructorSummary"><a id="constructor.summary"> |
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| </a> |
| <h2>Constructor Summary</h2> |
| <div class="memberSummary"> |
| <table> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.sql.SqlDialect.Context)">OracleSqlDialect</a></span>​(<a href="../SqlDialect.Context.html" title="interface in org.apache.calcite.sql">SqlDialect.Context</a> context)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates an OracleSqlDialect.</div> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </section> |
| </li> |
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| <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="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> |
| <div id="memberSummary_tabpanel" role="tabpanel"> |
| <table aria-labelledby="t0"> |
| <thead> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="altColor" id="i0"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#allowsAs()">allowsAs</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor" id="i1"> |
| <td class="colFirst"><code><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="#getCastSpec(org.apache.calcite.rel.type.RelDataType)">getCastSpec</a></span>​(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns SqlNode for type in "cast(column as type)", which might be |
| different between databases by type name, precision etc.</div> |
| </td> |
| </tr> |
| <tr class="altColor" id="i2"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSingleRowTableName()">getSingleRowTableName</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the name of the system table that has precisely one row.</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="#supportsAliasedValues()">supportsAliasedValues</a></span>()</code></th> |
| <td class="colLast"> |
| <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> |
| </td> |
| </tr> |
| <tr class="altColor" id="i4"> |
| <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="rowColor" id="i5"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#supportsDataType(org.apache.calcite.rel.type.RelDataType)">supportsDataType</a></span>​(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this dialect supports a given type.</div> |
| </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="#unparseCall(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,int,int)">unparseCall</a></span>​(<a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a> writer, |
| <a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a> call, |
| int leftPrec, |
| int rightPrec)</code></th> |
| <td class="colLast"> </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="#unparseDateTimeLiteral(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlAbstractDateTimeLiteral,int,int)">unparseDateTimeLiteral</a></span>​(<a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a> writer, |
| <a href="../SqlAbstractDateTimeLiteral.html" title="class in org.apache.calcite.sql">SqlAbstractDateTimeLiteral</a> literal, |
| int leftPrec, |
| int rightPrec)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| </div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class 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#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#emulateNullDirection(org.apache.calcite.sql.SqlNode,boolean,boolean)">emulateNullDirection</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#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#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#supportsFunction(org.apache.calcite.sql.SqlOperator,org.apache.calcite.rel.type.RelDataType,java.util.List)">supportsFunction</a>, <a href="../SqlDialect.html#supportsGroupByWithCube()">supportsGroupByWithCube</a>, <a href="../SqlDialect.html#supportsGroupByWithRollup()">supportsGroupByWithRollup</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#unparseOffsetFetch(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)">unparseOffsetFetch</a>, <a href="../SqlDialect.html#unparseSqlDatetimeArithmetic(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlCall,org.apache.calcite.sql.SqlKind,int,int)">unparseSqlDatetimeArithmetic</a>, <a href="../SqlDialect.html#unparseSqlIntervalLiteral(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlIntervalLiteral,int,int)">unparseSqlIntervalLiteral</a>, <a href="../SqlDialect.html#unparseSqlIntervalQualifier(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlIntervalQualifier,org.apache.calcite.rel.type.RelDataTypeSystem)">unparseSqlIntervalQualifier</a>, <a href="../SqlDialect.html#unparseTopN(org.apache.calcite.sql.SqlWriter,org.apache.calcite.sql.SqlNode,org.apache.calcite.sql.SqlNode)">unparseTopN</a>, <a href="../SqlDialect.html#unquoteStringLiteral(java.lang.String)">unquoteStringLiteral</a></code></div> |
| <div class="inheritedList"> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3> |
| <a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#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> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <li class="blockList"> |
| <section class="fieldDetails"><a id="field.detail"> |
| <!-- --> |
| </a> |
| <h2>Field Details</h2> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <section class="detail"> |
| <h3><a id="DEFAULT_CONTEXT">DEFAULT_CONTEXT</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType"><a href="../SqlDialect.Context.html" title="interface in org.apache.calcite.sql">SqlDialect.Context</a></span> <span class="memberName">DEFAULT_CONTEXT</span></div> |
| </section> |
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| <li class="blockList"> |
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| <h3><a id="DEFAULT">DEFAULT</a></h3> |
| <div class="memberSignature"><span class="modifiers">public static final</span> <span class="returnType"><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></span> <span class="memberName">DEFAULT</span></div> |
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| <h3><a id="<init>(org.apache.calcite.sql.SqlDialect.Context)">OracleSqlDialect</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="memberName">OracleSqlDialect</span>​(<span class="arguments"><a href="../SqlDialect.Context.html" title="interface in org.apache.calcite.sql">SqlDialect.Context</a> context)</span></div> |
| <div class="block">Creates an OracleSqlDialect.</div> |
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| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">supportsCharSet</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <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> in class <code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd> |
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| <h3><a id="supportsDataType(org.apache.calcite.rel.type.RelDataType)">supportsDataType</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">supportsDataType</span>​(<span class="arguments"><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</span></div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../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> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../SqlDialect.html#supportsDataType(org.apache.calcite.rel.type.RelDataType)">supportsDataType</a></code> in class <code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd> |
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| <h3><a id="getCastSpec(org.apache.calcite.rel.type.RelDataType)">getCastSpec</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></span> <span class="memberName">getCastSpec</span>​(<span class="arguments"><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</span></div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../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. |
| |
| <p>If this method returns null, the cast will be omitted. In the default |
| implementation, this is the case for the NULL type, and therefore |
| <code>CAST(NULL AS <nulltype>)</code> is rendered as <code>NULL</code>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../SqlDialect.html#getCastSpec(org.apache.calcite.rel.type.RelDataType)">getCastSpec</a></code> in class <code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd> |
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| <h3><a id="allowsAs()">allowsAs</a></h3> |
| <div class="memberSignature"><span class="modifiers">protected</span> <span class="returnType">boolean</span> <span class="memberName">allowsAs</span>()</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../SqlDialect.html#allowsAs()">allowsAs</a></code> in class <code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd> |
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| <h3><a id="supportsAliasedValues()">supportsAliasedValues</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">boolean</span> <span class="memberName">supportsAliasedValues</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../SqlDialect.html#supportsAliasedValues()">SqlDialect</a></code></span></div> |
| <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> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../SqlDialect.html#supportsAliasedValues()">supportsAliasedValues</a></code> in class <code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd> |
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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> <span class="returnType">void</span> <span class="memberName">unparseDateTimeLiteral</span>​(<span class="arguments"><a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a> writer, |
| <a href="../SqlAbstractDateTimeLiteral.html" title="class in org.apache.calcite.sql">SqlAbstractDateTimeLiteral</a> literal, |
| int leftPrec, |
| int 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> in class <code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd> |
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| <h3><a id="getSingleRowTableName()">getSingleRowTableName</a></h3> |
| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a><<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a>></span> <span class="memberName">getSingleRowTableName</span>()</div> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../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> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../SqlDialect.html#getSingleRowTableName()">getSingleRowTableName</a></code> in class <code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd> |
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| <div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">void</span> <span class="memberName">unparseCall</span>​(<span class="arguments"><a href="../SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a> writer, |
| <a href="../SqlCall.html" title="class in org.apache.calcite.sql">SqlCall</a> call, |
| int leftPrec, |
| int 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> in class <code><a href="../SqlDialect.html" title="class in org.apache.calcite.sql">SqlDialect</a></code></dd> |
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