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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.sql</a></div> |
| <h2 title="Class SqlIntervalQualifier" class="title">Class SqlIntervalQualifier</h2> |
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| <li><a href="SqlNode.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlNode</a></li> |
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| <li>org.apache.calcite.sql.SqlIntervalQualifier</li> |
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| <pre>public class <span class="typeNameLabel">SqlIntervalQualifier</span> |
| extends <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></pre> |
| <div class="block">Represents an INTERVAL qualifier. |
| |
| <p>INTERVAL qualifier is defined as follows: |
| |
| <blockquote><code> |
| <interval qualifier> ::=<br> |
| <start field> TO <end field><br> |
| | <single datetime field><br> |
| <start field> ::=<br> |
| <non-second primary datetime field><br> |
| [ <left paren> <interval leading field precision> |
| <right paren> ]<br> |
| <end field> ::=<br> |
| <non-second primary datetime field><br> |
| | SECOND [ <left paren> |
| <interval fractional seconds precision> <right paren> ]<br> |
| <single datetime field> ::=<br> |
| <non-second primary datetime field><br> |
| [ <left paren> <interval leading field precision> |
| <right paren> ]<br> |
| | SECOND [ <left paren> |
| <interval leading field precision><br> |
| [ <comma> <interval fractional seconds precision> ] |
| <right paren> ]<br> |
| <primary datetime field> ::=<br> |
| <non-second primary datetime field><br> |
| | SECOND<br> |
| <non-second primary datetime field> ::= YEAR | MONTH | DAY | HOUR |
| | MINUTE<br> |
| <interval fractional seconds precision> ::= |
| <unsigned integer><br> |
| <interval leading field precision> ::= <unsigned integer> |
| </code></blockquote> |
| |
| <p>Examples include: |
| |
| <ul> |
| <li><code>INTERVAL '1:23:45.678' HOUR TO SECOND</code></li> |
| <li><code>INTERVAL '1 2:3:4' DAY TO SECOND</code></li> |
| <li><code>INTERVAL '1 2:3:4' DAY(4) TO SECOND(4)</code></li> |
| </ul> |
| |
| <p>An instance of this class is immutable.</div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>org.apache.calcite.avatica.util.TimeUnitRange</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#timeUnitRange">timeUnitRange</a></span></code></th> |
| <td class="colLast"> </td> |
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| <h3>Fields inherited from class org.apache.calcite.sql.<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></h3> |
| <code><a href="SqlNode.html#EMPTY_ARRAY">EMPTY_ARRAY</a>, <a href="SqlNode.html#pos">pos</a></code></li> |
| </ul> |
| </li> |
| </ul> |
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| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.avatica.util.TimeUnit,int,org.apache.calcite.avatica.util.TimeUnit,int,org.apache.calcite.sql.parser.SqlParserPos)">SqlIntervalQualifier</a></span>​(org.apache.calcite.avatica.util.TimeUnit startUnit, |
| int startPrecision, |
| org.apache.calcite.avatica.util.TimeUnit endUnit, |
| int fractionalSecondPrecision, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.avatica.util.TimeUnit,org.apache.calcite.avatica.util.TimeUnit,org.apache.calcite.sql.parser.SqlParserPos)">SqlIntervalQualifier</a></span>​(org.apache.calcite.avatica.util.TimeUnit startUnit, |
| org.apache.calcite.avatica.util.TimeUnit endUnit, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <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> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><R> R</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#accept(org.apache.calcite.sql.util.SqlVisitor)">accept</a></span>​(<a href="util/SqlVisitor.html" title="interface in org.apache.calcite.sql.util">SqlVisitor</a><R> visitor)</code></th> |
| <td class="colLast"> |
| <div class="block">Accepts a generic visitor.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <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="#clone(org.apache.calcite.sql.parser.SqlParserPos)">clone</a></span>​(<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</code></th> |
| <td class="colLast"> |
| <div class="block">Clones a SqlNode with a different position.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#combineFractionalSecondPrecisionPreservingDefault(org.apache.calcite.rel.type.RelDataTypeSystem,org.apache.calcite.sql.SqlIntervalQualifier,org.apache.calcite.sql.SqlIntervalQualifier)">combineFractionalSecondPrecisionPreservingDefault</a></span>​(<a href="../rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a> typeSystem, |
| <a href="SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a> qual1, |
| <a href="SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a> qual2)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#combineStartPrecisionPreservingDefault(org.apache.calcite.rel.type.RelDataTypeSystem,org.apache.calcite.sql.SqlIntervalQualifier,org.apache.calcite.sql.SqlIntervalQualifier)">combineStartPrecisionPreservingDefault</a></span>​(<a href="../rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a> typeSystem, |
| <a href="SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a> qual1, |
| <a href="SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a> qual2)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <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>​(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> node, |
| <a href="../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a> litmus)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this node is structurally equivalent to another node.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>int[]</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#evaluateIntervalLiteral(java.lang.String,org.apache.calcite.sql.parser.SqlParserPos,org.apache.calcite.rel.type.RelDataTypeSystem)">evaluateIntervalLiteral</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> value, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos, |
| <a href="../rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a> typeSystem)</code></th> |
| <td class="colLast"> |
| <div class="block">Validates an INTERVAL literal according to the rules specified by the |
| interval qualifier.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>org.apache.calcite.avatica.util.TimeUnit</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getEndUnit()">getEndUnit</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFractionalSecondPrecision(org.apache.calcite.rel.type.RelDataTypeSystem)">getFractionalSecondPrecision</a></span>​(<a href="../rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a> typeSystem)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFractionalSecondPrecisionPreservingDefault()">getFractionalSecondPrecisionPreservingDefault</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getIntervalSign(java.lang.String)">getIntervalSign</a></span>​(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> value)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns 1 or -1.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <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 id="i11" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getStartPrecision(org.apache.calcite.rel.type.RelDataTypeSystem)">getStartPrecision</a></span>​(<a href="../rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a> typeSystem)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getStartPrecisionPreservingDefault()">getStartPrecisionPreservingDefault</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>org.apache.calcite.avatica.util.TimeUnit</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getStartUnit()">getStartUnit</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>org.apache.calcite.avatica.util.TimeUnit</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getUnit()">getUnit</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns <code>SECOND</code> for both <code>HOUR TO SECOND</code> and |
| <code>SECOND</code>.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isSingleDatetimeField()">isSingleDatetimeField</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this interval has a single datetime field.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isYearMonth()">isYearMonth</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <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="#typeName()">typeName</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <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>​(<a href="SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a> writer, |
| int leftPrec, |
| int rightPrec)</code></th> |
| <td class="colLast"> |
| <div class="block">Writes a SQL representation of this node to a writer.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#useDefaultFractionalSecondPrecision()">useDefaultFractionalSecondPrecision</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns <code>true</code> if fractional second precision is not specified.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#useDefaultStartPrecision()">useDefaultStartPrecision</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns <code>true</code> if start precision is not specified.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <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>​(<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a> validator, |
| <a href="validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> scope)</code></th> |
| <td class="colLast"> |
| <div class="block">Validates this node.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.sql.SqlNode"> |
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| </a> |
| <h3>Methods inherited from class org.apache.calcite.sql.<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></h3> |
| <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(java.util.List,java.util.List,org.apache.calcite.util.Litmus)">equalDeep</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#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#getMonotonicity(org.apache.calcite.sql.validate.SqlValidatorScope)">getMonotonicity</a>, <a href="SqlNode.html#getParserPosition()">getParserPosition</a>, <a href="SqlNode.html#isA(java.util.Set)">isA</a>, <a href="SqlNode.html#toSqlString(java.util.function.UnaryOperator)">toSqlString</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#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></li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.java.lang.Object"> |
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| </a> |
| <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> |
| <code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <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#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></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <!-- ============ FIELD DETAIL =========== --> |
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| </a> |
| <h3>Field Detail</h3> |
| <a id="timeUnitRange"> |
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| </a> |
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| <li class="blockList"> |
| <h4>timeUnitRange</h4> |
| <pre>public final org.apache.calcite.avatica.util.TimeUnitRange timeUnitRange</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <section role="region"> |
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| <li class="blockList"><a id="constructor.detail"> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a id="<init>(org.apache.calcite.avatica.util.TimeUnit,int,org.apache.calcite.avatica.util.TimeUnit,int,org.apache.calcite.sql.parser.SqlParserPos)"> |
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| </a> |
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| <h4>SqlIntervalQualifier</h4> |
| <pre>public SqlIntervalQualifier​(org.apache.calcite.avatica.util.TimeUnit startUnit, |
| int startPrecision, |
| org.apache.calcite.avatica.util.TimeUnit endUnit, |
| int fractionalSecondPrecision, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</pre> |
| </li> |
| </ul> |
| <a id="<init>(org.apache.calcite.avatica.util.TimeUnit,org.apache.calcite.avatica.util.TimeUnit,org.apache.calcite.sql.parser.SqlParserPos)"> |
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| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>SqlIntervalQualifier</h4> |
| <pre>public SqlIntervalQualifier​(org.apache.calcite.avatica.util.TimeUnit startUnit, |
| org.apache.calcite.avatica.util.TimeUnit endUnit, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</pre> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ============ METHOD DETAIL ========== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="method.detail"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a id="getKind()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getKind</h4> |
| <pre class="methodSignature"><a href="https://docs.oracle.com/javase/9/docs/api/javax/annotation/Nonnull.html?is-external=true" title="class or interface in javax.annotation" class="externalLink">@Nonnull</a> |
| public <a href="SqlKind.html" title="enum in org.apache.calcite.sql">SqlKind</a> getKind()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <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> in class <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<org.apache.calcite.sql.SqlKind>)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="typeName()"> |
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| </a> |
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| <h4>typeName</h4> |
| <pre class="methodSignature">public <a href="type/SqlTypeName.html" title="enum in org.apache.calcite.sql.type">SqlTypeName</a> typeName()</pre> |
| </li> |
| </ul> |
| <a id="validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>validate</h4> |
| <pre class="methodSignature">public void validate​(<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a> validator, |
| <a href="validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> scope)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <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> in class <code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd> |
| <dd><code>scope</code> - Validator</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="accept(org.apache.calcite.sql.util.SqlVisitor)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>accept</h4> |
| <pre class="methodSignature">public <R> R accept​(<a href="util/SqlVisitor.html" title="interface in org.apache.calcite.sql.util">SqlVisitor</a><R> visitor)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <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> in class <code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="equalsDeep(org.apache.calcite.sql.SqlNode,org.apache.calcite.util.Litmus)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>equalsDeep</h4> |
| <pre class="methodSignature">public boolean equalsDeep​(<a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> node, |
| <a href="../util/Litmus.html" title="interface in org.apache.calcite.util">Litmus</a> litmus)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <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> |
| <li>1 + 2 is structurally equivalent to 1 + 2</li> |
| <li>1 + 2 + 3 is structurally equivalent to (1 + 2) + 3, but not to 1 + |
| (2 + 3), because the '+' operator is left-associative</li> |
| </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> in class <code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getStartPrecision(org.apache.calcite.rel.type.RelDataTypeSystem)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getStartPrecision</h4> |
| <pre class="methodSignature">public int getStartPrecision​(<a href="../rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a> typeSystem)</pre> |
| </li> |
| </ul> |
| <a id="getStartPrecisionPreservingDefault()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getStartPrecisionPreservingDefault</h4> |
| <pre class="methodSignature">public int getStartPrecisionPreservingDefault()</pre> |
| </li> |
| </ul> |
| <a id="useDefaultStartPrecision()"> |
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| </a> |
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| <li class="blockList"> |
| <h4>useDefaultStartPrecision</h4> |
| <pre class="methodSignature">public boolean useDefaultStartPrecision()</pre> |
| <div class="block">Returns <code>true</code> if start precision is not specified.</div> |
| </li> |
| </ul> |
| <a id="combineStartPrecisionPreservingDefault(org.apache.calcite.rel.type.RelDataTypeSystem,org.apache.calcite.sql.SqlIntervalQualifier,org.apache.calcite.sql.SqlIntervalQualifier)"> |
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| </a> |
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| <h4>combineStartPrecisionPreservingDefault</h4> |
| <pre class="methodSignature">public static int combineStartPrecisionPreservingDefault​(<a href="../rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a> typeSystem, |
| <a href="SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a> qual1, |
| <a href="SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a> qual2)</pre> |
| </li> |
| </ul> |
| <a id="getFractionalSecondPrecision(org.apache.calcite.rel.type.RelDataTypeSystem)"> |
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| </a> |
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| <li class="blockList"> |
| <h4>getFractionalSecondPrecision</h4> |
| <pre class="methodSignature">public int getFractionalSecondPrecision​(<a href="../rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a> typeSystem)</pre> |
| </li> |
| </ul> |
| <a id="getFractionalSecondPrecisionPreservingDefault()"> |
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| </a> |
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| <li class="blockList"> |
| <h4>getFractionalSecondPrecisionPreservingDefault</h4> |
| <pre class="methodSignature">public int getFractionalSecondPrecisionPreservingDefault()</pre> |
| </li> |
| </ul> |
| <a id="useDefaultFractionalSecondPrecision()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>useDefaultFractionalSecondPrecision</h4> |
| <pre class="methodSignature">public boolean useDefaultFractionalSecondPrecision()</pre> |
| <div class="block">Returns <code>true</code> if fractional second precision is not specified.</div> |
| </li> |
| </ul> |
| <a id="combineFractionalSecondPrecisionPreservingDefault(org.apache.calcite.rel.type.RelDataTypeSystem,org.apache.calcite.sql.SqlIntervalQualifier,org.apache.calcite.sql.SqlIntervalQualifier)"> |
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| </a> |
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| <h4>combineFractionalSecondPrecisionPreservingDefault</h4> |
| <pre class="methodSignature">public static int combineFractionalSecondPrecisionPreservingDefault​(<a href="../rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a> typeSystem, |
| <a href="SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a> qual1, |
| <a href="SqlIntervalQualifier.html" title="class in org.apache.calcite.sql">SqlIntervalQualifier</a> qual2)</pre> |
| </li> |
| </ul> |
| <a id="getStartUnit()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getStartUnit</h4> |
| <pre class="methodSignature">public org.apache.calcite.avatica.util.TimeUnit getStartUnit()</pre> |
| </li> |
| </ul> |
| <a id="getEndUnit()"> |
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| </a> |
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| <li class="blockList"> |
| <h4>getEndUnit</h4> |
| <pre class="methodSignature">public org.apache.calcite.avatica.util.TimeUnit getEndUnit()</pre> |
| </li> |
| </ul> |
| <a id="getUnit()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getUnit</h4> |
| <pre class="methodSignature">public org.apache.calcite.avatica.util.TimeUnit getUnit()</pre> |
| <div class="block">Returns <code>SECOND</code> for both <code>HOUR TO SECOND</code> and |
| <code>SECOND</code>.</div> |
| </li> |
| </ul> |
| <a id="clone(org.apache.calcite.sql.parser.SqlParserPos)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>clone</h4> |
| <pre class="methodSignature">public <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> clone​(<a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <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> in class <code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="unparse(org.apache.calcite.sql.SqlWriter,int,int)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>unparse</h4> |
| <pre class="methodSignature">public void unparse​(<a href="SqlWriter.html" title="interface in org.apache.calcite.sql">SqlWriter</a> writer, |
| int leftPrec, |
| int rightPrec)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="SqlNode.html#unparse(org.apache.calcite.sql.SqlWriter,int,int)">SqlNode</a></code></span></div> |
| <div class="block">Writes a SQL representation of this node to a writer. |
| |
| <p>The <code>leftPrec</code> and <code>rightPrec</code> parameters give |
| us enough context to decide whether we need to enclose the expression in |
| parentheses. For example, we need parentheses around "2 + 3" if preceded |
| by "5 *". This is because the precedence of the "*" operator is greater |
| than the precedence of the "+" operator. |
| |
| <p>The algorithm handles left- and right-associative operators by giving |
| them slightly different left- and right-precedence. |
| |
| <p>If <a href="SqlWriter.html#isAlwaysUseParentheses()"><code>SqlWriter.isAlwaysUseParentheses()</code></a> is true, we use |
| parentheses even when they are not required by the precedence rules. |
| |
| <p>For the details of this algorithm, see <a href="SqlCall.html#unparse(org.apache.calcite.sql.SqlWriter,int,int)"><code>SqlCall.unparse(org.apache.calcite.sql.SqlWriter, int, int)</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlNode.html#unparse(org.apache.calcite.sql.SqlWriter,int,int)">unparse</a></code> in class <code><a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></code></dd> |
| <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 |
| preceding this node in a depth-first scan of the parse |
| tree</dd> |
| <dd><code>rightPrec</code> - The precedence of the <a href="SqlNode.html" title="class in org.apache.calcite.sql"><code>SqlNode</code></a> immediately</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isSingleDatetimeField()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isSingleDatetimeField</h4> |
| <pre class="methodSignature">public boolean isSingleDatetimeField()</pre> |
| <div class="block">Returns whether this interval has a single datetime field. |
| |
| <p>Returns <code>true</code> if it is of the form <code>unit</code>, |
| <code>false</code> if it is of the form <code>unit TO unit</code>.</div> |
| </li> |
| </ul> |
| <a id="isYearMonth()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isYearMonth</h4> |
| <pre class="methodSignature">public final boolean isYearMonth()</pre> |
| </li> |
| </ul> |
| <a id="getIntervalSign(java.lang.String)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getIntervalSign</h4> |
| <pre class="methodSignature">public int getIntervalSign​(<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> value)</pre> |
| <div class="block">Returns 1 or -1.</div> |
| </li> |
| </ul> |
| <a id="evaluateIntervalLiteral(java.lang.String,org.apache.calcite.sql.parser.SqlParserPos,org.apache.calcite.rel.type.RelDataTypeSystem)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>evaluateIntervalLiteral</h4> |
| <pre class="methodSignature">public int[] evaluateIntervalLiteral​(<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> value, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos, |
| <a href="../rel/type/RelDataTypeSystem.html" title="interface in org.apache.calcite.rel.type">RelDataTypeSystem</a> typeSystem)</pre> |
| <div class="block">Validates an INTERVAL literal according to the rules specified by the |
| interval qualifier. The assumption is made that the interval qualifier has |
| been validated prior to calling this method. Evaluating against an |
| invalid qualifier could lead to strange results.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>field values, never null</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../runtime/CalciteContextException.html" title="class in org.apache.calcite.runtime">CalciteContextException</a></code> - if the interval |
| value is illegal</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
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| </main> |
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