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| <li>Summary: </li> |
| <li>Nested | </li> |
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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.sql.validate</a></div> |
| <h2 title="Class AbstractNamespace" class="title">Class AbstractNamespace</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.calcite.sql.validate.AbstractNamespace</li> |
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| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><code><a href="AliasNamespace.html" title="class in org.apache.calcite.sql.validate">AliasNamespace</a></code>, <code><a href="CollectNamespace.html" title="class in org.apache.calcite.sql.validate">CollectNamespace</a></code>, <code><a href="FieldNamespace.html" title="class in org.apache.calcite.sql.validate">FieldNamespace</a></code>, <code><a href="IdentifierNamespace.html" title="class in org.apache.calcite.sql.validate">IdentifierNamespace</a></code>, <code><a href="JoinNamespace.html" title="class in org.apache.calcite.sql.validate">JoinNamespace</a></code>, <code><a href="MatchRecognizeNamespace.html" title="class in org.apache.calcite.sql.validate">MatchRecognizeNamespace</a></code>, <code><a href="ParameterNamespace.html" title="class in org.apache.calcite.sql.validate">ParameterNamespace</a></code>, <code><a href="ProcedureNamespace.html" title="class in org.apache.calcite.sql.validate">ProcedureNamespace</a></code>, <code><a href="SchemaNamespace.html" title="class in org.apache.calcite.sql.validate">SchemaNamespace</a></code>, <code><a href="SelectNamespace.html" title="class in org.apache.calcite.sql.validate">SelectNamespace</a></code>, <code><a href="SetopNamespace.html" title="class in org.apache.calcite.sql.validate">SetopNamespace</a></code>, <code><a href="TableConstructorNamespace.html" title="class in org.apache.calcite.sql.validate">TableConstructorNamespace</a></code>, <code><a href="TableNamespace.html" title="class in org.apache.calcite.sql.validate">TableNamespace</a></code>, <code><a href="UnnestNamespace.html" title="class in org.apache.calcite.sql.validate">UnnestNamespace</a></code>, <code><a href="WithItemNamespace.html" title="class in org.apache.calcite.sql.validate">WithItemNamespace</a></code>, <code><a href="WithNamespace.html" title="class in org.apache.calcite.sql.validate">WithNamespace</a></code></dd> |
| </dl> |
| <hr> |
| <pre>abstract class <span class="typeNameLabel">AbstractNamespace</span> |
| extends java.lang.Object |
| implements <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></pre> |
| <div class="block">Abstract implementation of <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate"><code>SqlValidatorNamespace</code></a>.</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>protected <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="#enclosingNode">enclosingNode</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <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="#rowType">rowType</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Type of the output row, which comprises the name and type of each output |
| column.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="SqlValidatorImpl.Status.html" title="enum in org.apache.calcite.sql.validate">SqlValidatorImpl.Status</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#status">status</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Whether this scope is currently being validated.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <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="#type">type</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">As <a href="#rowType"><code>rowType</code></a>, but not necessarily a struct.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="SqlValidatorImpl.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validator">validator</a></span></code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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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.validate.SqlValidatorImpl,org.apache.calcite.sql.SqlNode)">AbstractNamespace</a></span>​(<a href="SqlValidatorImpl.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl</a> validator, |
| <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> enclosingNode)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates an AbstractNamespace.</div> |
| </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="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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>protected <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="#convertToStruct(org.apache.calcite.rel.type.RelDataType)">convertToStruct</a></span>​(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#fieldExists(java.lang.String)">fieldExists</a></span>​(java.lang.String name)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this namespace has a field of a given name.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <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="#getEnclosingNode()">getEnclosingNode</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the parse tree node that at is at the root of this namespace and |
| includes all decorations.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>java.util.List<<a href="../../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>,​<a href="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="#getMonotonicExprs()">getMonotonicExprs</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns a list of expressions which are monotonic in this namespace.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="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(java.lang.String)">getMonotonicity</a></span>​(java.lang.String columnName)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether and how a given column is sorted.</div> |
| </td> |
| </tr> |
| <tr id="i5" 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="#getRowType()">getRowType</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the row type of this namespace, which comprises a list of names |
| and types of the output columns.</div> |
| </td> |
| </tr> |
| <tr id="i6" 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="#getRowTypeSansSystemColumns()">getRowTypeSansSystemColumns</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the row type of this namespace, sans any system columns.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="SqlValidatorTable.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorTable</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTable()">getTable</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the underlying table, or null if there is none.</div> |
| </td> |
| </tr> |
| <tr id="i8" 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="#getType()">getType</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the type of this namespace.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValidator()">getValidator</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the validator.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isWrapperFor(java.lang.Class)">isWrapperFor</a></span>​(java.lang.Class<?> clazz)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this namespace implements a given interface, or wraps a |
| class which does.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#lookupChild(java.lang.String)">lookupChild</a></span>​(java.lang.String name)</code></th> |
| <td class="colLast"> |
| <div class="block">Looks up a child namespace of a given name.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#makeNullable()">makeNullable</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#resolve()">resolve</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">If this namespace resolves to another namespace, returns that namespace, |
| following links to the end of the chain.</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="#setType(org.apache.calcite.rel.type.RelDataType)">setType</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">Sets the type of this namespace.</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="#supportsModality(org.apache.calcite.sql.validate.SqlModality)">supportsModality</a></span>​(<a href="SqlModality.html" title="enum in org.apache.calcite.sql.validate">SqlModality</a> modality)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether this namespace is capable of giving results of the desired |
| modality.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>protected <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="#toStruct(org.apache.calcite.rel.type.RelDataType,org.apache.calcite.sql.SqlNode)">toStruct</a></span>​(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type, |
| <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> unnest)</code></th> |
| <td class="colLast"> |
| <div class="block">Converts a type to a struct if it is not already.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#translate(java.lang.String)">translate</a></span>​(java.lang.String name)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code><T> T</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unwrap(java.lang.Class)">unwrap</a></span>​(java.lang.Class<T> clazz)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns this namespace, or a wrapped namespace, cast to a particular |
| class.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#validate(org.apache.calcite.rel.type.RelDataType)">validate</a></span>​(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> targetRowType)</code></th> |
| <td class="colLast"> |
| <div class="block">Validates this namespace.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>protected abstract <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="#validateImpl(org.apache.calcite.rel.type.RelDataType)">validateImpl</a></span>​(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> targetRowType)</code></th> |
| <td class="colLast"> |
| <div class="block">Validates this scope and returns the type of the records it returns.</div> |
| </td> |
| </tr> |
| </table> |
| <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>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.org.apache.calcite.sql.validate.SqlValidatorNamespace"> |
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| </a> |
| <h3>Methods inherited from interface org.apache.calcite.sql.validate.<a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></h3> |
| <code><a href="SqlValidatorNamespace.html#getNode()">getNode</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a id="validator"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>validator</h4> |
| <pre>protected final <a href="SqlValidatorImpl.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl</a> validator</pre> |
| </li> |
| </ul> |
| <a id="status"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>status</h4> |
| <pre>private <a href="SqlValidatorImpl.Status.html" title="enum in org.apache.calcite.sql.validate">SqlValidatorImpl.Status</a> status</pre> |
| <div class="block">Whether this scope is currently being validated. Used to check for |
| cycles.</div> |
| </li> |
| </ul> |
| <a id="rowType"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>rowType</h4> |
| <pre>protected <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> rowType</pre> |
| <div class="block">Type of the output row, which comprises the name and type of each output |
| column. Set on validate.</div> |
| </li> |
| </ul> |
| <a id="type"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>type</h4> |
| <pre>protected <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type</pre> |
| <div class="block">As <a href="#rowType"><code>rowType</code></a>, but not necessarily a struct.</div> |
| </li> |
| </ul> |
| <a id="enclosingNode"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>enclosingNode</h4> |
| <pre>protected final <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> enclosingNode</pre> |
| </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.validate.SqlValidatorImpl,org.apache.calcite.sql.SqlNode)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>AbstractNamespace</h4> |
| <pre>AbstractNamespace​(<a href="SqlValidatorImpl.html" title="class in org.apache.calcite.sql.validate">SqlValidatorImpl</a> validator, |
| <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> enclosingNode)</pre> |
| <div class="block">Creates an AbstractNamespace.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>validator</code> - Validator</dd> |
| <dd><code>enclosingNode</code> - Enclosing node</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| <!-- ============ METHOD DETAIL ========== --> |
| <section role="region"> |
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| <li class="blockList"><a id="method.detail"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a id="getValidator()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getValidator</h4> |
| <pre class="methodSignature">public <a href="SqlValidator.html" title="interface in org.apache.calcite.sql.validate">SqlValidator</a> getValidator()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#getValidator()">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Returns the validator.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#getValidator()">getValidator</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>validator</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="validate(org.apache.calcite.rel.type.RelDataType)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>validate</h4> |
| <pre class="methodSignature">public final void validate​(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> targetRowType)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#validate(org.apache.calcite.rel.type.RelDataType)">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Validates this namespace. |
| |
| <p>If the scope has already been validated, does nothing.</p> |
| |
| <p>Please call <a href="SqlValidatorImpl.html#validateNamespace(org.apache.calcite.sql.validate.SqlValidatorNamespace,org.apache.calcite.rel.type.RelDataType)"><code>SqlValidatorImpl.validateNamespace(org.apache.calcite.sql.validate.SqlValidatorNamespace, org.apache.calcite.rel.type.RelDataType)</code></a> rather than |
| calling this method directly.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#validate(org.apache.calcite.rel.type.RelDataType)">validate</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>targetRowType</code> - Desired row type, must not be null, may be the data |
| type 'unknown'.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="validateImpl(org.apache.calcite.rel.type.RelDataType)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>validateImpl</h4> |
| <pre class="methodSignature">protected abstract <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> validateImpl​(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> targetRowType)</pre> |
| <div class="block">Validates this scope and returns the type of the records it returns. |
| External users should call <a href="#validate(org.apache.calcite.rel.type.RelDataType)"><code>validate(org.apache.calcite.rel.type.RelDataType)</code></a>, which uses the |
| <a href="#status"><code>status</code></a> field to protect against cycles.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>targetRowType</code> - Desired row type, must not be null, may be the data |
| type 'unknown'.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>record data type, never null</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getRowType()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getRowType</h4> |
| <pre class="methodSignature">public <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> getRowType()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#getRowType()">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Returns the row type of this namespace, which comprises a list of names |
| and types of the output columns. If the scope's type has not yet been |
| derived, derives it.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#getRowType()">getRowType</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Row type of this namespace, never null, always a struct</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getRowTypeSansSystemColumns()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getRowTypeSansSystemColumns</h4> |
| <pre class="methodSignature">public <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> getRowTypeSansSystemColumns()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#getRowTypeSansSystemColumns()">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Returns the row type of this namespace, sans any system columns.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#getRowTypeSansSystemColumns()">getRowTypeSansSystemColumns</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Row type sans system columns</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getType()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getType</h4> |
| <pre class="methodSignature">public <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> getType()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#getType()">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Returns the type of this namespace.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#getType()">getType</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Row type converted to struct</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="setType(org.apache.calcite.rel.type.RelDataType)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>setType</h4> |
| <pre class="methodSignature">public void setType​(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#setType(org.apache.calcite.rel.type.RelDataType)">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Sets the type of this namespace. |
| |
| <p>Allows the type for the namespace to be explicitly set, but usually is |
| called during <a href="SqlValidatorNamespace.html#validate(org.apache.calcite.rel.type.RelDataType)"><code>SqlValidatorNamespace.validate(RelDataType)</code></a>.</p> |
| |
| <p>Implicitly also sets the row type. If the type is not a struct, then |
| the row type is the type wrapped as a struct with a single column, |
| otherwise the type and row type are the same.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#setType(org.apache.calcite.rel.type.RelDataType)">setType</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getEnclosingNode()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getEnclosingNode</h4> |
| <pre class="methodSignature">public <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> getEnclosingNode()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#getEnclosingNode()">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Returns the parse tree node that at is at the root of this namespace and |
| includes all decorations. If there are no decorations, returns the same |
| as <a href="SqlValidatorNamespace.html#getNode()"><code>SqlValidatorNamespace.getNode()</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#getEnclosingNode()">getEnclosingNode</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getTable()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getTable</h4> |
| <pre class="methodSignature">public <a href="SqlValidatorTable.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorTable</a> getTable()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#getTable()">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Returns the underlying table, or null if there is none.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#getTable()">getTable</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="lookupChild(java.lang.String)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>lookupChild</h4> |
| <pre class="methodSignature">public <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a> lookupChild​(java.lang.String name)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#lookupChild(java.lang.String)">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Looks up a child namespace of a given name. |
| |
| <p>For example, in the query <code>select e.name from emps as e</code>, |
| <code>e</code> is an <a href="IdentifierNamespace.html" title="class in org.apache.calcite.sql.validate"><code>IdentifierNamespace</code></a> which has a child <code> |
| name</code> which is a <a href="FieldNamespace.html" title="class in org.apache.calcite.sql.validate"><code>FieldNamespace</code></a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#lookupChild(java.lang.String)">lookupChild</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - Name of namespace</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Namespace</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="fieldExists(java.lang.String)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>fieldExists</h4> |
| <pre class="methodSignature">public boolean fieldExists​(java.lang.String name)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#fieldExists(java.lang.String)">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Returns whether this namespace has a field of a given name.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#fieldExists(java.lang.String)">fieldExists</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>name</code> - Field name</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Whether field exists</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getMonotonicExprs()"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getMonotonicExprs</h4> |
| <pre class="methodSignature">public java.util.List<<a href="../../util/Pair.html" title="class in org.apache.calcite.util">Pair</a><<a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a>,​<a href="SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a>>> getMonotonicExprs()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#getMonotonicExprs()">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Returns a list of expressions which are monotonic in this namespace. For |
| example, if the namespace represents a relation ordered by a column |
| called "TIMESTAMP", then the list would contain a |
| <a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql"><code>SqlIdentifier</code></a> called "TIMESTAMP".</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#getMonotonicExprs()">getMonotonicExprs</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getMonotonicity(java.lang.String)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getMonotonicity</h4> |
| <pre class="methodSignature">public <a href="SqlMonotonicity.html" title="enum in org.apache.calcite.sql.validate">SqlMonotonicity</a> getMonotonicity​(java.lang.String columnName)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#getMonotonicity(java.lang.String)">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Returns whether and how a given column is sorted.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#getMonotonicity(java.lang.String)">getMonotonicity</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="makeNullable()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>makeNullable</h4> |
| <pre class="methodSignature">public void makeNullable()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#makeNullable()">makeNullable</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="translate(java.lang.String)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>translate</h4> |
| <pre class="methodSignature">public java.lang.String translate​(java.lang.String name)</pre> |
| </li> |
| </ul> |
| <a id="resolve()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>resolve</h4> |
| <pre class="methodSignature">public <a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a> resolve()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#resolve()">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">If this namespace resolves to another namespace, returns that namespace, |
| following links to the end of the chain. |
| |
| <p>A <code>WITH</code>) clause defines table names that resolve to queries |
| (the body of the with-item). An <a href="IdentifierNamespace.html" title="class in org.apache.calcite.sql.validate"><code>IdentifierNamespace</code></a> typically |
| resolves to a <a href="TableNamespace.html" title="class in org.apache.calcite.sql.validate"><code>TableNamespace</code></a>.</p> |
| |
| <p>You must not call this method before <a href="SqlValidatorNamespace.html#validate(org.apache.calcite.rel.type.RelDataType)"><code>SqlValidatorNamespace.validate(RelDataType)</code></a> has |
| completed.</p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#resolve()">resolve</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="supportsModality(org.apache.calcite.sql.validate.SqlModality)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>supportsModality</h4> |
| <pre class="methodSignature">public boolean supportsModality​(<a href="SqlModality.html" title="enum in org.apache.calcite.sql.validate">SqlModality</a> modality)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#supportsModality(org.apache.calcite.sql.validate.SqlModality)">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Returns whether this namespace is capable of giving results of the desired |
| modality. <code>true</code> means streaming, <code>false</code> means relational.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#supportsModality(org.apache.calcite.sql.validate.SqlModality)">supportsModality</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>modality</code> - Modality</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="unwrap(java.lang.Class)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>unwrap</h4> |
| <pre class="methodSignature">public <T> T unwrap​(java.lang.Class<T> clazz)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#unwrap(java.lang.Class)">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Returns this namespace, or a wrapped namespace, cast to a particular |
| class.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="SqlValidatorNamespace.html#unwrap(java.lang.Class)">unwrap</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - Desired type</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>This namespace cast to desired type</dd> |
| </dl> |
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| <h4>isWrapperFor</h4> |
| <pre class="methodSignature">public boolean isWrapperFor​(java.lang.Class<?> clazz)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="SqlValidatorNamespace.html#isWrapperFor(java.lang.Class)">SqlValidatorNamespace</a></code></span></div> |
| <div class="block">Returns whether this namespace implements a given interface, or wraps a |
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| <dd><code><a href="SqlValidatorNamespace.html#isWrapperFor(java.lang.Class)">isWrapperFor</a></code> in interface <code><a href="SqlValidatorNamespace.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorNamespace</a></code></dd> |
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| <dd><code>clazz</code> - Interface</dd> |
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| <pre class="methodSignature">protected <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> convertToStruct​(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type)</pre> |
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| <h4>toStruct</h4> |
| <pre class="methodSignature">protected <a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> toStruct​(<a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a> type, |
| <a href="../SqlNode.html" title="class in org.apache.calcite.sql">SqlNode</a> unnest)</pre> |
| <div class="block">Converts a type to a struct if it is not already.</div> |
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