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<div class="subTitle">org.apache.calcite.prepare</div>
<h2 title="接口 Prepare.CatalogReader" class="title">接口 Prepare.CatalogReader</h2>
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<dl>
<dt>所有超级接口:</dt>
<dd><a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="org.apache.calcite.plan中的接口">RelOptSchema</a>, <a href="../../../../org/apache/calcite/sql/SqlOperatorTable.html" title="org.apache.calcite.sql中的接口">SqlOperatorTable</a>, <a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html" title="org.apache.calcite.sql.validate中的接口">SqlValidatorCatalogReader</a>, <a href="../../../../org/apache/calcite/schema/Wrapper.html" title="org.apache.calcite.schema中的接口">Wrapper</a></dd>
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<dl>
<dt>所有已知实现类:</dt>
<dd><a href="../../../../org/apache/calcite/prepare/CalciteCatalogReader.html" title="org.apache.calcite.prepare中的类">CalciteCatalogReader</a></dd>
</dl>
<dl>
<dt>封闭类:</dt>
<dd><a href="../../../../org/apache/calcite/prepare/Prepare.html" title="org.apache.calcite.prepare中的类">Prepare</a></dd>
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<br>
<pre>public static interface <span class="typeNameLabel">Prepare.CatalogReader</span>
extends <a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="org.apache.calcite.plan中的接口">RelOptSchema</a>, <a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html" title="org.apache.calcite.sql.validate中的接口">SqlValidatorCatalogReader</a>, <a href="../../../../org/apache/calcite/sql/SqlOperatorTable.html" title="org.apache.calcite.sql中的接口">SqlOperatorTable</a></pre>
<div class="block">Interface by which validator and planner can read table metadata.</div>
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<h3>字段概要</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="字段概要表, 列表字段和解释">
<caption><span>字段</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">字段和说明</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ThreadLocal.html?is-external=true" title="java.lang中的类或接口">ThreadLocal</a>&lt;<a href="../../../../org/apache/calcite/prepare/Prepare.CatalogReader.html" title="org.apache.calcite.prepare中的接口">Prepare.CatalogReader</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/prepare/Prepare.CatalogReader.html#THREAD_LOCAL">THREAD_LOCAL</a></span></code>&nbsp;</td>
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<h3>方法概要</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="方法概要表, 列表方法和解释">
<caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<tr>
<th class="colFirst" scope="col">限定符和类型</th>
<th class="colLast" scope="col">方法和说明</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/prepare/Prepare.PreparingTable.html" title="org.apache.calcite.prepare中的接口">Prepare.PreparingTable</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/prepare/Prepare.CatalogReader.html#getTable-java.util.List-">getTable</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;&nbsp;names)</code>
<div class="block">Finds a table or schema with the given name, possibly qualified.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/prepare/Prepare.PreparingTable.html" title="org.apache.calcite.prepare中的接口">Prepare.PreparingTable</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/prepare/Prepare.CatalogReader.html#getTableForMember-java.util.List-">getTableForMember</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;&nbsp;names)</code>
<div class="block">Retrieves a <a href="../../../../org/apache/calcite/plan/RelOptTable.html" title="org.apache.calcite.plan中的接口"><code>RelOptTable</code></a> based upon a member access.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../org/apache/calcite/prepare/Prepare.CatalogReader.html" title="org.apache.calcite.prepare中的接口">Prepare.CatalogReader</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/calcite/prepare/Prepare.CatalogReader.html#withSchemaPath-java.util.List-">withSchemaPath</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;&nbsp;schemaPath)</code>
<div class="block">Returns a catalog reader the same as this one but with a possibly
different schema path.</div>
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<h3>从接口继承的方法&nbsp;org.apache.calcite.plan.<a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="org.apache.calcite.plan中的接口">RelOptSchema</a></h3>
<code><a href="../../../../org/apache/calcite/plan/RelOptSchema.html#getTypeFactory--">getTypeFactory</a>, <a href="../../../../org/apache/calcite/plan/RelOptSchema.html#registerRules-org.apache.calcite.plan.RelOptPlanner-">registerRules</a></code></li>
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<h3>从接口继承的方法&nbsp;org.apache.calcite.sql.validate.<a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html" title="org.apache.calcite.sql.validate中的接口">SqlValidatorCatalogReader</a></h3>
<code><a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html#createTypeFromProjection-org.apache.calcite.rel.type.RelDataType-java.util.List-">createTypeFromProjection</a>, <a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html#field-org.apache.calcite.rel.type.RelDataType-java.lang.String-">field</a>, <a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html#getAllSchemaObjectNames-java.util.List-">getAllSchemaObjectNames</a>, <a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html#getConfig--">getConfig</a>, <a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html#getNamedType-org.apache.calcite.sql.SqlIdentifier-">getNamedType</a>, <a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html#getRootSchema--">getRootSchema</a>, <a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html#getSchemaPaths--">getSchemaPaths</a>, <a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html#isCaseSensitive--">isCaseSensitive</a>, <a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html#matches-java.lang.String-java.lang.String-">matches</a>, <a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html#nameMatcher--">nameMatcher</a></code></li>
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<h3>从接口继承的方法&nbsp;org.apache.calcite.schema.<a href="../../../../org/apache/calcite/schema/Wrapper.html" title="org.apache.calcite.schema中的接口">Wrapper</a></h3>
<code><a href="../../../../org/apache/calcite/schema/Wrapper.html#unwrap-java.lang.Class-">unwrap</a></code></li>
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<h3>从接口继承的方法&nbsp;org.apache.calcite.sql.<a href="../../../../org/apache/calcite/sql/SqlOperatorTable.html" title="org.apache.calcite.sql中的接口">SqlOperatorTable</a></h3>
<code><a href="../../../../org/apache/calcite/sql/SqlOperatorTable.html#getOperatorList--">getOperatorList</a>, <a href="../../../../org/apache/calcite/sql/SqlOperatorTable.html#lookupOperatorOverloads-org.apache.calcite.sql.SqlIdentifier-org.apache.calcite.sql.SqlFunctionCategory-org.apache.calcite.sql.SqlSyntax-java.util.List-org.apache.calcite.sql.validate.SqlNameMatcher-">lookupOperatorOverloads</a></code></li>
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<h3>字段详细资料</h3>
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<h4>THREAD_LOCAL</h4>
<pre>static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/ThreadLocal.html?is-external=true" title="java.lang中的类或接口">ThreadLocal</a>&lt;<a href="../../../../org/apache/calcite/prepare/Prepare.CatalogReader.html" title="org.apache.calcite.prepare中的接口">Prepare.CatalogReader</a>&gt; THREAD_LOCAL</pre>
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<h4>getTableForMember</h4>
<pre><a href="../../../../org/apache/calcite/prepare/Prepare.PreparingTable.html" title="org.apache.calcite.prepare中的接口">Prepare.PreparingTable</a>&nbsp;getTableForMember(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;&nbsp;names)</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptSchema.html#getTableForMember-java.util.List-">RelOptSchema</a></code></span></div>
<div class="block">Retrieves a <a href="../../../../org/apache/calcite/plan/RelOptTable.html" title="org.apache.calcite.plan中的接口"><code>RelOptTable</code></a> based upon a member access.
<p>For example, the Saffron expression <code>salesSchema.emps</code>
would be resolved using a call to <code>salesSchema.getTableForMember(new
String[]{"emps" })</code>.</p>
<p>Note that name.length is only greater than 1 for queries originating
from JDBC.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">指定者:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/plan/RelOptSchema.html#getTableForMember-java.util.List-">getTableForMember</a></code>&nbsp;在接口中&nbsp;<code><a href="../../../../org/apache/calcite/plan/RelOptSchema.html" title="org.apache.calcite.plan中的接口">RelOptSchema</a></code></dd>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>names</code> - Qualified name</dd>
</dl>
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<h4>withSchemaPath</h4>
<pre><a href="../../../../org/apache/calcite/prepare/Prepare.CatalogReader.html" title="org.apache.calcite.prepare中的接口">Prepare.CatalogReader</a>&nbsp;withSchemaPath(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;&nbsp;schemaPath)</pre>
<div class="block">Returns a catalog reader the same as this one but with a possibly
different schema path.</div>
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<h4>getTable</h4>
<pre><a href="../../../../org/apache/calcite/prepare/Prepare.PreparingTable.html" title="org.apache.calcite.prepare中的接口">Prepare.PreparingTable</a>&nbsp;getTable(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="java.util中的类或接口">List</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a>&gt;&nbsp;names)</pre>
<div class="block"><span class="descfrmTypeLabel">从接口复制的说明:&nbsp;<code><a href="../../../../org/apache/calcite/sql/validate/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="../../../../org/apache/calcite/sql/validate/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">指定者:</span></dt>
<dd><code><a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html#getTable-java.util.List-">getTable</a></code>&nbsp;在接口中&nbsp;<code><a href="../../../../org/apache/calcite/sql/validate/SqlValidatorCatalogReader.html" title="org.apache.calcite.sql.validate中的接口">SqlValidatorCatalogReader</a></code></dd>
<dt><span class="paramLabel">参数:</span></dt>
<dd><code>names</code> - Name of table, may be qualified or fully-qualified</dd>
<dt><span class="returnLabel">返回:</span></dt>
<dd>Table with the given name, or null</dd>
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