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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.calcite.sql.validate</a></div>
<h1 title="Class DelegatingSqlValidatorCatalogReader" class="title">Class DelegatingSqlValidatorCatalogReader</h1>
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<div class="inheritance">org.apache.calcite.sql.validate.DelegatingSqlValidatorCatalogReader</div>
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<section class="description">
<dl>
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="../../schema/Wrapper.html" title="interface in org.apache.calcite.schema">Wrapper</a></code>, <code><a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a></code></dd>
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<pre>public abstract class <span class="typeNameLabel">DelegatingSqlValidatorCatalogReader</span>
extends <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>
implements <a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a></pre>
<div class="block">Implementation of
<a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate"><code>SqlValidatorCatalogReader</code></a> that passes
all calls to a parent catalog reader.</div>
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<thead>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>protected <a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#catalogReader">catalogReader</a></span></code></th>
<td class="colLast">&nbsp;</td>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
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<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(org.apache.calcite.sql.validate.SqlValidatorCatalogReader)">DelegatingSqlValidatorCatalogReader</a></span>&#8203;(<a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a>&nbsp;catalogReader)</code></th>
<td class="colLast">
<div class="block">Creates a DelegatingSqlValidatorCatalogReader.</div>
</td>
</tr>
</tbody>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
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<tr class="altColor" id="i0">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAllSchemaObjectNames(java.util.List)">getAllSchemaObjectNames</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<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>&gt;&nbsp;names)</code></th>
<td class="colLast">
<div class="block">Given fully qualified schema name, returns schema object names as
specified.</div>
</td>
</tr>
<tr class="rowColor" id="i1">
<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="#getNamedType(org.apache.calcite.sql.SqlIdentifier)">getNamedType</a></span>&#8203;(<a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;typeName)</code></th>
<td class="colLast">
<div class="block">Finds a user-defined type with the given name, possibly qualified.</div>
</td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<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>&gt;&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getSchemaPaths()">getSchemaPaths</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the paths of all schemas to look in for tables.</div>
</td>
</tr>
<tr class="rowColor" id="i3">
<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(java.util.List)">getTable</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<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>&gt;&nbsp;names)</code></th>
<td class="colLast">
<div class="block">Finds a table or schema with the given name, possibly qualified.</div>
</td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code>&lt;C&gt;&nbsp;C</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unwrap(java.lang.Class)">unwrap</a></span>&#8203;(<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>&lt;C&gt;&nbsp;aClass)</code></th>
<td class="colLast">
<div class="block">Finds an instance of an interface implemented by this object,
or returns null if this object does not support that interface.</div>
</td>
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<div class="inheritedList">
<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3>
<a id="methods.inherited.from.class.java.lang.Object">
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</a><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang" class="externalLink">clone</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang" class="externalLink">equals</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang" class="externalLink">finalize</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang" class="externalLink">getClass</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang" class="externalLink">hashCode</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang" class="externalLink">notify</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang" class="externalLink">notifyAll</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang" class="externalLink">toString</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang" class="externalLink">wait</a>, <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html?is-external=true#wait(long,int)" title="class or interface in java.lang" class="externalLink">wait</a></code></div>
<div class="inheritedList">
<h3>Methods inherited from interface&nbsp;org.apache.calcite.sql.validate.<a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a></h3>
<a id="methods.inherited.from.class.org.apache.calcite.sql.validate.SqlValidatorCatalogReader">
<!-- -->
</a><code><a href="SqlValidatorCatalogReader.html#createTypeFromProjection(org.apache.calcite.rel.type.RelDataType,java.util.List)">createTypeFromProjection</a>, <a href="SqlValidatorCatalogReader.html#field(org.apache.calcite.rel.type.RelDataType,java.lang.String)">field</a>, <a href="SqlValidatorCatalogReader.html#getConfig()">getConfig</a>, <a href="SqlValidatorCatalogReader.html#getRootSchema()">getRootSchema</a>, <a href="SqlValidatorCatalogReader.html#isCaseSensitive()">isCaseSensitive</a>, <a href="SqlValidatorCatalogReader.html#matches(java.lang.String,java.lang.String)">matches</a>, <a href="SqlValidatorCatalogReader.html#nameMatcher()">nameMatcher</a></code></div>
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<h3><a id="catalogReader">catalogReader</a></h3>
<div class="memberSignature"><span class="modifiers">protected final</span>&nbsp;<span class="returnType"><a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a></span>&nbsp;<span class="memberName">catalogReader</span></div>
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<h3><a id="&lt;init&gt;(org.apache.calcite.sql.validate.SqlValidatorCatalogReader)">DelegatingSqlValidatorCatalogReader</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="memberName">DelegatingSqlValidatorCatalogReader</span>&#8203;(<span class="arguments"><a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a>&nbsp;catalogReader)</span></div>
<div class="block">Creates a DelegatingSqlValidatorCatalogReader.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>catalogReader</code> - Parent catalog reader</dd>
</dl>
</section>
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</ul>
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<h2>Method Details</h2>
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<h3><a id="getTable(java.util.List)">getTable</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="SqlValidatorTable.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorTable</a></span>&nbsp;<span class="memberName">getTable</span>&#8203;(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<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>&gt;&nbsp;names)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidatorCatalogReader.html#getTable(java.util.List)">SqlValidatorCatalogReader</a></code></span></div>
<div class="block">Finds a table or schema with the given name, possibly qualified.
<p>Uses the case-sensitivity policy of the catalog reader.
<p>If not found, returns null. If you want a more descriptive error
message or to override the case-sensitivity of the match, use
<a href="SqlValidatorScope.html#resolveTable(java.util.List,org.apache.calcite.sql.validate.SqlNameMatcher,org.apache.calcite.sql.validate.SqlValidatorScope.Path,org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)"><code>SqlValidatorScope.resolveTable(java.util.List&lt;java.lang.String&gt;, org.apache.calcite.sql.validate.SqlNameMatcher, org.apache.calcite.sql.validate.SqlValidatorScope.Path, org.apache.calcite.sql.validate.SqlValidatorScope.Resolved)</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="SqlValidatorCatalogReader.html#getTable(java.util.List)">getTable</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>names</code> - Name of table, may be qualified or fully-qualified</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Table with the given name, or null</dd>
</dl>
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<h3><a id="getNamedType(org.apache.calcite.sql.SqlIdentifier)">getNamedType</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="../../rel/type/RelDataType.html" title="interface in org.apache.calcite.rel.type">RelDataType</a></span>&nbsp;<span class="memberName">getNamedType</span>&#8203;(<span class="arguments"><a href="../SqlIdentifier.html" title="class in org.apache.calcite.sql">SqlIdentifier</a>&nbsp;typeName)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidatorCatalogReader.html#getNamedType(org.apache.calcite.sql.SqlIdentifier)">SqlValidatorCatalogReader</a></code></span></div>
<div class="block">Finds a user-defined type with the given name, possibly qualified.
<p>NOTE jvs 12-Feb-2005: the reason this method is defined here instead
of on RelDataTypeFactory is that it has to take into account
context-dependent information such as SQL schema path, whereas a type
factory is context-independent.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="SqlValidatorCatalogReader.html#getNamedType(org.apache.calcite.sql.SqlIdentifier)">getNamedType</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>typeName</code> - Name of type</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>named type, or null if not found</dd>
</dl>
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<h3><a id="getAllSchemaObjectNames(java.util.List)">getAllSchemaObjectNames</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="SqlMoniker.html" title="interface in org.apache.calcite.sql.validate">SqlMoniker</a>&gt;</span>&nbsp;<span class="memberName">getAllSchemaObjectNames</span>&#8203;(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<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>&gt;&nbsp;names)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidatorCatalogReader.html#getAllSchemaObjectNames(java.util.List)">SqlValidatorCatalogReader</a></code></span></div>
<div class="block">Given fully qualified schema name, returns schema object names as
specified. They can be schema, table, function, view.
When names array is empty, the contents of root schema should be returned.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="SqlValidatorCatalogReader.html#getAllSchemaObjectNames(java.util.List)">getAllSchemaObjectNames</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>names</code> - the array contains fully qualified schema name or empty
list for root schema</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the list of all object (schema, table, function,
view) names under the above criteria</dd>
</dl>
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<h3><a id="getSchemaPaths()">getSchemaPaths</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/javase/9/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<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>&gt;&gt;</span>&nbsp;<span class="memberName">getSchemaPaths</span>()</div>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="SqlValidatorCatalogReader.html#getSchemaPaths()">SqlValidatorCatalogReader</a></code></span></div>
<div class="block">Returns the paths of all schemas to look in for tables.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="SqlValidatorCatalogReader.html#getSchemaPaths()">getSchemaPaths</a></code>&nbsp;in interface&nbsp;<code><a href="SqlValidatorCatalogReader.html" title="interface in org.apache.calcite.sql.validate">SqlValidatorCatalogReader</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>paths of current schema and root schema</dd>
</dl>
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<h3><a id="unwrap(java.lang.Class)">unwrap</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="typeParameters">&lt;C&gt;</span>&nbsp;<span class="returnType">C</span>&nbsp;<span class="memberName">unwrap</span>&#8203;(<span class="arguments"><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang" class="externalLink">Class</a>&lt;C&gt;&nbsp;aClass)</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../schema/Wrapper.html#unwrap(java.lang.Class)">Wrapper</a></code></span></div>
<div class="block">Finds an instance of an interface implemented by this object,
or returns null if this object does not support that interface.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../schema/Wrapper.html#unwrap(java.lang.Class)">unwrap</a></code>&nbsp;in interface&nbsp;<code><a href="../../schema/Wrapper.html" title="interface in org.apache.calcite.schema">Wrapper</a></code></dd>
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