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| <li>Summary: </li> |
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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 SqlDataTypeSpec" class="title">Class SqlDataTypeSpec</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="SqlNode.html" title="class in org.apache.calcite.sql">org.apache.calcite.sql.SqlNode</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.sql.SqlDataTypeSpec</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code>java.lang.Cloneable</code></dd> |
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| <hr> |
| <pre>public class <span class="typeNameLabel">SqlDataTypeSpec</span> |
| extends <a href="SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a></pre> |
| <div class="block">Represents a SQL data type specification in a parse tree. |
| |
| <p>A <code>SqlDataTypeSpec</code> is immutable; once created, you cannot |
| change any of the fields.</p> |
| |
| <p>todo: This should really be a subtype of <a href="SqlCall.html" title="class in org.apache.calcite.sql"><code>SqlCall</code></a>.</p> |
| |
| <p>we support complex type expressions |
| like:</p> |
| |
| <blockquote><code>ROW(<br> |
| foo NUMBER(5, 2) NOT NULL,<br> |
| rec ROW(b BOOLEAN, i MyUDT NOT NULL))</code></blockquote> |
| |
| <p>Internally we use <a href="SqlRowTypeNameSpec.html" title="class in org.apache.calcite.sql"><code>SqlRowTypeNameSpec</code></a> to specify row data type name. |
| |
| <p>We support simple data types like CHAR, VARCHAR and DOUBLE, |
| with optional precision and scale.</p> |
| |
| <p>Internally we use <a href="SqlBasicTypeNameSpec.html" title="class in org.apache.calcite.sql"><code>SqlBasicTypeNameSpec</code></a> to specify basic sql data type name.</div> |
| </li> |
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| <h3>Field Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <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> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#baseTypeName">baseTypeName</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private java.lang.Boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nullable">nullable</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Whether data type is allows nulls.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private java.util.TimeZone</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#timeZone">timeZone</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#typeNameSpec">typeNameSpec</a></span></code></th> |
| <td class="colLast"> </td> |
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| </a> |
| <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> |
| </section> |
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| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <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.sql.SqlTypeNameSpec,java.util.TimeZone,java.lang.Boolean,org.apache.calcite.sql.parser.SqlParserPos)">SqlDataTypeSpec</a></span>​(<a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a> typeNameSpec, |
| java.util.TimeZone timeZone, |
| java.lang.Boolean nullable, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a type specification representing a type, with time zone |
| and nullability specified.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.sql.SqlTypeNameSpec,java.util.TimeZone,org.apache.calcite.sql.parser.SqlParserPos)">SqlDataTypeSpec</a></span>​(<a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a> typeNameSpec, |
| java.util.TimeZone timeZone, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a type specification representing a type, with time zone specified.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.sql.SqlTypeNameSpec,org.apache.calcite.sql.parser.SqlParserPos)">SqlDataTypeSpec</a></span>​(<a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a> typeNameSpec, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a type specification representing a type.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.sql.SqlTypeNameSpec,org.apache.calcite.sql.SqlTypeNameSpec,java.util.TimeZone,java.lang.Boolean,org.apache.calcite.sql.parser.SqlParserPos)">SqlDataTypeSpec</a></span>​(<a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a> typeNameSpec, |
| <a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a> baseTypeName, |
| java.util.TimeZone timeZone, |
| java.lang.Boolean nullable, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a type specification representing a type, with time zone, |
| nullability and base type name specified.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
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| <li class="blockList"><a id="method.summary"> |
| <!-- --> |
| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</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><a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deriveType(org.apache.calcite.sql.validate.SqlValidator)">deriveType</a></span>​(<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a> validator)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts this type specification to a <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelDataType</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deriveType(org.apache.calcite.sql.validate.SqlValidator,boolean)">deriveType</a></span>​(<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a> validator, |
| boolean nullable)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts this type specification to a <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelDataType</code></a>.</div> |
| </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>private <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#fixUpNullability(org.apache.calcite.rel.type.RelDataTypeFactory,org.apache.calcite.rel.type.RelDataType,boolean)">fixUpNullability</a></span>​(<a href="../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type, |
| boolean nullable)</code></th> |
| <td class="colLast"> |
| <div class="block">Fix up the nullability of the <code>type</code>.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCollectionsTypeName()">getCollectionsTypeName</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="SqlDataTypeSpec.html" title="class in org.apache.calcite.sql">SqlDataTypeSpec</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getComponentTypeSpec()">getComponentTypeSpec</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a new SqlDataTypeSpec corresponding to the component type if the |
| type spec is a collections type spec.<br> |
| Collection types are <code>ARRAY</code> and <code>MULTISET</code>.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="validate/SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMonotonicity(org.apache.calcite.sql.validate.SqlValidatorScope)">getMonotonicity</a></span>​(<a href="validate/SqlValidatorScope.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorScope</a> scope)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether expression is always ascending, descending or constant.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>java.lang.Boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNullable()">getNullable</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>java.util.TimeZone</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTimeZone()">getTimeZone</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTypeName()">getTypeName</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTypeNameSpec()">getTypeNameSpec</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <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="i14" class="altColor"> |
| <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> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code><a href="SqlDataTypeSpec.html" title="class in org.apache.calcite.sql">SqlDataTypeSpec</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#withNullable(java.lang.Boolean)">withNullable</a></span>​(java.lang.Boolean nullable)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a copy of this data type specification with a given |
| nullability.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.sql.SqlNode"> |
| <!-- --> |
| </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#getKind()">getKind</a>, <a href="SqlNode.html#getParserPosition()">getParserPosition</a>, <a href="SqlNode.html#isA(java.util.Set)">isA</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#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"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <section role="region"> |
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| <li class="blockList"><a id="field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a id="typeNameSpec"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>typeNameSpec</h4> |
| <pre>private final <a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a> typeNameSpec</pre> |
| </li> |
| </ul> |
| <a id="baseTypeName"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>baseTypeName</h4> |
| <pre>private final <a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a> baseTypeName</pre> |
| </li> |
| </ul> |
| <a id="timeZone"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>timeZone</h4> |
| <pre>private final java.util.TimeZone timeZone</pre> |
| </li> |
| </ul> |
| <a id="nullable"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>nullable</h4> |
| <pre>private java.lang.Boolean nullable</pre> |
| <div class="block">Whether data type is allows nulls. |
| |
| <p>Nullable is nullable! Null means "not specified". E.g. |
| <code>CAST(x AS INTEGER)</code> preserves has the same nullability as <code>x</code>.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="constructor.detail"> |
| <!-- --> |
| </a> |
| <h3>Constructor Detail</h3> |
| <a id="<init>(org.apache.calcite.sql.SqlTypeNameSpec,org.apache.calcite.sql.parser.SqlParserPos)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>SqlDataTypeSpec</h4> |
| <pre>public SqlDataTypeSpec​(<a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a> typeNameSpec, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</pre> |
| <div class="block">Creates a type specification representing a type.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeNameSpec</code> - The type name can be basic sql type, row type, |
| collections type and user defined type.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="<init>(org.apache.calcite.sql.SqlTypeNameSpec,java.util.TimeZone,org.apache.calcite.sql.parser.SqlParserPos)"> |
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| <h4>SqlDataTypeSpec</h4> |
| <pre>public SqlDataTypeSpec​(<a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a> typeNameSpec, |
| java.util.TimeZone timeZone, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</pre> |
| <div class="block">Creates a type specification representing a type, with time zone specified.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeNameSpec</code> - The type name can be basic sql type, row type, |
| collections type and user defined type.</dd> |
| <dd><code>timeZone</code> - Specified time zone.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="<init>(org.apache.calcite.sql.SqlTypeNameSpec,java.util.TimeZone,java.lang.Boolean,org.apache.calcite.sql.parser.SqlParserPos)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>SqlDataTypeSpec</h4> |
| <pre>public SqlDataTypeSpec​(<a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a> typeNameSpec, |
| java.util.TimeZone timeZone, |
| java.lang.Boolean nullable, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</pre> |
| <div class="block">Creates a type specification representing a type, with time zone |
| and nullability specified.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeNameSpec</code> - The type name can be basic sql type, row type, |
| collections type and user defined type.</dd> |
| <dd><code>timeZone</code> - Specified time zone.</dd> |
| <dd><code>nullable</code> - The nullability.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="<init>(org.apache.calcite.sql.SqlTypeNameSpec,org.apache.calcite.sql.SqlTypeNameSpec,java.util.TimeZone,java.lang.Boolean,org.apache.calcite.sql.parser.SqlParserPos)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>SqlDataTypeSpec</h4> |
| <pre>public SqlDataTypeSpec​(<a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a> typeNameSpec, |
| <a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a> baseTypeName, |
| java.util.TimeZone timeZone, |
| java.lang.Boolean nullable, |
| <a href="parser/SqlParserPos.html" title="class in org.apache.calcite.sql.parser">SqlParserPos</a> pos)</pre> |
| <div class="block">Creates a type specification representing a type, with time zone, |
| nullability and base type name specified.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeNameSpec</code> - The type name can be basic sql type, row type, |
| collections type and user defined type.</dd> |
| <dd><code>baseTypeName</code> - The base type name.</dd> |
| <dd><code>timeZone</code> - Specified time zone.</dd> |
| <dd><code>nullable</code> - The nullability.</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ============ METHOD DETAIL ========== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <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="getMonotonicity(org.apache.calcite.sql.validate.SqlValidatorScope)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getMonotonicity</h4> |
| <pre class="methodSignature">public <a href="validate/SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a> getMonotonicity​(<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#getMonotonicity(org.apache.calcite.sql.validate.SqlValidatorScope)">SqlNode</a></code></span></div> |
| <div class="block">Returns whether expression is always ascending, descending or constant. |
| This property is useful because it allows to safely aggregate infinite |
| streams of values. |
| |
| <p>The default implementation returns |
| <a href="validate/SqlMonotonicity.html#NOT_MONOTONIC"><code>SqlMonotonicity.NOT_MONOTONIC</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="SqlNode.html#getMonotonicity(org.apache.calcite.sql.validate.SqlValidatorScope)">getMonotonicity</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>scope</code> - Scope</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getCollectionsTypeName()"> |
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| </a> |
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| <li class="blockList"> |
| <h4>getCollectionsTypeName</h4> |
| <pre class="methodSignature">public <a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a> getCollectionsTypeName()</pre> |
| </li> |
| </ul> |
| <a id="getTypeName()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getTypeName</h4> |
| <pre class="methodSignature">public <a href="SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a> getTypeName()</pre> |
| </li> |
| </ul> |
| <a id="getTypeNameSpec()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getTypeNameSpec</h4> |
| <pre class="methodSignature">public <a href="SqlTypeNameSpec.html" title="class in org.apache.calcite.sql">SqlTypeNameSpec</a> getTypeNameSpec()</pre> |
| </li> |
| </ul> |
| <a id="getTimeZone()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getTimeZone</h4> |
| <pre class="methodSignature">public java.util.TimeZone getTimeZone()</pre> |
| </li> |
| </ul> |
| <a id="getNullable()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getNullable</h4> |
| <pre class="methodSignature">public java.lang.Boolean getNullable()</pre> |
| </li> |
| </ul> |
| <a id="withNullable(java.lang.Boolean)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>withNullable</h4> |
| <pre class="methodSignature">public <a href="SqlDataTypeSpec.html" title="class in org.apache.calcite.sql">SqlDataTypeSpec</a> withNullable​(java.lang.Boolean nullable)</pre> |
| <div class="block">Returns a copy of this data type specification with a given |
| nullability.</div> |
| </li> |
| </ul> |
| <a id="getComponentTypeSpec()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getComponentTypeSpec</h4> |
| <pre class="methodSignature">public <a href="SqlDataTypeSpec.html" title="class in org.apache.calcite.sql">SqlDataTypeSpec</a> getComponentTypeSpec()</pre> |
| <div class="block">Returns a new SqlDataTypeSpec corresponding to the component type if the |
| type spec is a collections type spec.<br> |
| Collection types are <code>ARRAY</code> and <code>MULTISET</code>.</div> |
| </li> |
| </ul> |
| <a id="unparse(org.apache.calcite.sql.SqlWriter,int,int)"> |
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| </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="validate(org.apache.calcite.sql.validate.SqlValidator,org.apache.calcite.sql.validate.SqlValidatorScope)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <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)"> |
| <!-- --> |
| </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)"> |
| <!-- --> |
| </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="deriveType(org.apache.calcite.sql.validate.SqlValidator)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>deriveType</h4> |
| <pre class="methodSignature">public <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> deriveType​(<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a> validator)</pre> |
| <div class="block">Converts this type specification to a <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelDataType</code></a>. |
| |
| <p>Throws an error if the type is not found.</div> |
| </li> |
| </ul> |
| <a id="deriveType(org.apache.calcite.sql.validate.SqlValidator,boolean)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>deriveType</h4> |
| <pre class="methodSignature">public <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> deriveType​(<a href="validate/SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a> validator, |
| boolean nullable)</pre> |
| <div class="block">Converts this type specification to a <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type"><code>RelDataType</code></a>. |
| |
| <p>Throws an error if the type is not found.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>nullable</code> - Whether the type is nullable if the type specification |
| does not explicitly state.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="fixUpNullability(org.apache.calcite.rel.type.RelDataTypeFactory,org.apache.calcite.rel.type.RelDataType,boolean)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>fixUpNullability</h4> |
| <pre class="methodSignature">private <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> fixUpNullability​(<a href="../rel/type/RelDataTypeFactory.html" title="interface in org.apache.calcite.rel.type">RelDataTypeFactory</a> typeFactory, |
| <a href="../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type, |
| boolean nullable)</pre> |
| <div class="block">Fix up the nullability of the <code>type</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>typeFactory</code> - Type factory.</dd> |
| <dd><code>type</code> - The type to coerce nullability.</dd> |
| <dd><code>nullable</code> - Default nullability to use if this type specification does not |
| specify nullability.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>type with specified nullability or the default.</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </main> |
| <!-- ========= END OF CLASS DATA ========= --> |
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