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<div class="subTitle">org.apache.drill.exec.work.metadata</div>
<h2 title="Class MetadataProvider" class="title">Class MetadataProvider</h2>
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<pre>public class <span class="typeNameLabel">MetadataProvider</span>
extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
<div class="block">Contains worker <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang"><code>Runnable</code></a> classes for providing the metadata and related helper methods.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/work/metadata/MetadataProvider.html#MetadataProvider--">MetadataProvider</a></span>()</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/work/metadata/MetadataProvider.html#catalogs-org.apache.drill.exec.rpc.user.UserSession-org.apache.drill.exec.server.DrillbitContext-org.apache.drill.exec.proto.UserProtos.GetCatalogsReq-org.apache.drill.exec.rpc.ResponseSender-">catalogs</a></span>(<a href="../../../../../../org/apache/drill/exec/rpc/user/UserSession.html" title="class in org.apache.drill.exec.rpc.user">UserSession</a>&nbsp;session,
<a href="../../../../../../org/apache/drill/exec/server/DrillbitContext.html" title="class in org.apache.drill.exec.server">DrillbitContext</a>&nbsp;dContext,
<a href="../../../../../../org/apache/drill/exec/proto/UserProtos.GetCatalogsReq.html" title="class in org.apache.drill.exec.proto">UserProtos.GetCatalogsReq</a>&nbsp;req,
<a href="../../../../../../org/apache/drill/exec/rpc/ResponseSender.html" title="interface in org.apache.drill.exec.rpc">ResponseSender</a>&nbsp;responseSender)</code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/work/metadata/MetadataProvider.html#columns-org.apache.drill.exec.rpc.user.UserSession-org.apache.drill.exec.server.DrillbitContext-org.apache.drill.exec.proto.UserProtos.GetColumnsReq-org.apache.drill.exec.rpc.ResponseSender-">columns</a></span>(<a href="../../../../../../org/apache/drill/exec/rpc/user/UserSession.html" title="class in org.apache.drill.exec.rpc.user">UserSession</a>&nbsp;session,
<a href="../../../../../../org/apache/drill/exec/server/DrillbitContext.html" title="class in org.apache.drill.exec.server">DrillbitContext</a>&nbsp;dContext,
<a href="../../../../../../org/apache/drill/exec/proto/UserProtos.GetColumnsReq.html" title="class in org.apache.drill.exec.proto">UserProtos.GetColumnsReq</a>&nbsp;req,
<a href="../../../../../../org/apache/drill/exec/rpc/ResponseSender.html" title="interface in org.apache.drill.exec.rpc">ResponseSender</a>&nbsp;responseSender)</code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/work/metadata/MetadataProvider.html#schemas-org.apache.drill.exec.rpc.user.UserSession-org.apache.drill.exec.server.DrillbitContext-org.apache.drill.exec.proto.UserProtos.GetSchemasReq-org.apache.drill.exec.rpc.ResponseSender-">schemas</a></span>(<a href="../../../../../../org/apache/drill/exec/rpc/user/UserSession.html" title="class in org.apache.drill.exec.rpc.user">UserSession</a>&nbsp;session,
<a href="../../../../../../org/apache/drill/exec/server/DrillbitContext.html" title="class in org.apache.drill.exec.server">DrillbitContext</a>&nbsp;dContext,
<a href="../../../../../../org/apache/drill/exec/proto/UserProtos.GetSchemasReq.html" title="class in org.apache.drill.exec.proto">UserProtos.GetSchemasReq</a>&nbsp;req,
<a href="../../../../../../org/apache/drill/exec/rpc/ResponseSender.html" title="interface in org.apache.drill.exec.rpc">ResponseSender</a>&nbsp;responseSender)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/work/metadata/MetadataProvider.html#tables-org.apache.drill.exec.rpc.user.UserSession-org.apache.drill.exec.server.DrillbitContext-org.apache.drill.exec.proto.UserProtos.GetTablesReq-org.apache.drill.exec.rpc.ResponseSender-">tables</a></span>(<a href="../../../../../../org/apache/drill/exec/rpc/user/UserSession.html" title="class in org.apache.drill.exec.rpc.user">UserSession</a>&nbsp;session,
<a href="../../../../../../org/apache/drill/exec/server/DrillbitContext.html" title="class in org.apache.drill.exec.server">DrillbitContext</a>&nbsp;dContext,
<a href="../../../../../../org/apache/drill/exec/proto/UserProtos.GetTablesReq.html" title="class in org.apache.drill.exec.proto">UserProtos.GetTablesReq</a>&nbsp;req,
<a href="../../../../../../org/apache/drill/exec/rpc/ResponseSender.html" title="interface in org.apache.drill.exec.rpc">ResponseSender</a>&nbsp;responseSender)</code>&nbsp;</td>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h4>MetadataProvider</h4>
<pre>public&nbsp;MetadataProvider()</pre>
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<a name="catalogs-org.apache.drill.exec.rpc.user.UserSession-org.apache.drill.exec.server.DrillbitContext-org.apache.drill.exec.proto.UserProtos.GetCatalogsReq-org.apache.drill.exec.rpc.ResponseSender-">
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a>&nbsp;catalogs(<a href="../../../../../../org/apache/drill/exec/rpc/user/UserSession.html" title="class in org.apache.drill.exec.rpc.user">UserSession</a>&nbsp;session,
<a href="../../../../../../org/apache/drill/exec/server/DrillbitContext.html" title="class in org.apache.drill.exec.server">DrillbitContext</a>&nbsp;dContext,
<a href="../../../../../../org/apache/drill/exec/proto/UserProtos.GetCatalogsReq.html" title="class in org.apache.drill.exec.proto">UserProtos.GetCatalogsReq</a>&nbsp;req,
<a href="../../../../../../org/apache/drill/exec/rpc/ResponseSender.html" title="interface in org.apache.drill.exec.rpc">ResponseSender</a>&nbsp;responseSender)</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Runnable that fetches the catalog metadata for given <a href="../../../../../../org/apache/drill/exec/proto/UserProtos.GetCatalogsReq.html" title="class in org.apache.drill.exec.proto"><code>UserProtos.GetCatalogsReq</code></a> and sends response at the end.</dd>
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</li>
</ul>
<a name="schemas-org.apache.drill.exec.rpc.user.UserSession-org.apache.drill.exec.server.DrillbitContext-org.apache.drill.exec.proto.UserProtos.GetSchemasReq-org.apache.drill.exec.rpc.ResponseSender-">
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<h4>schemas</h4>
<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a>&nbsp;schemas(<a href="../../../../../../org/apache/drill/exec/rpc/user/UserSession.html" title="class in org.apache.drill.exec.rpc.user">UserSession</a>&nbsp;session,
<a href="../../../../../../org/apache/drill/exec/server/DrillbitContext.html" title="class in org.apache.drill.exec.server">DrillbitContext</a>&nbsp;dContext,
<a href="../../../../../../org/apache/drill/exec/proto/UserProtos.GetSchemasReq.html" title="class in org.apache.drill.exec.proto">UserProtos.GetSchemasReq</a>&nbsp;req,
<a href="../../../../../../org/apache/drill/exec/rpc/ResponseSender.html" title="interface in org.apache.drill.exec.rpc">ResponseSender</a>&nbsp;responseSender)</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Runnable that fetches the schema metadata for given <a href="../../../../../../org/apache/drill/exec/proto/UserProtos.GetSchemasReq.html" title="class in org.apache.drill.exec.proto"><code>UserProtos.GetSchemasReq</code></a> and sends response at the end.</dd>
</dl>
</li>
</ul>
<a name="tables-org.apache.drill.exec.rpc.user.UserSession-org.apache.drill.exec.server.DrillbitContext-org.apache.drill.exec.proto.UserProtos.GetTablesReq-org.apache.drill.exec.rpc.ResponseSender-">
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a>&nbsp;tables(<a href="../../../../../../org/apache/drill/exec/rpc/user/UserSession.html" title="class in org.apache.drill.exec.rpc.user">UserSession</a>&nbsp;session,
<a href="../../../../../../org/apache/drill/exec/server/DrillbitContext.html" title="class in org.apache.drill.exec.server">DrillbitContext</a>&nbsp;dContext,
<a href="../../../../../../org/apache/drill/exec/proto/UserProtos.GetTablesReq.html" title="class in org.apache.drill.exec.proto">UserProtos.GetTablesReq</a>&nbsp;req,
<a href="../../../../../../org/apache/drill/exec/rpc/ResponseSender.html" title="interface in org.apache.drill.exec.rpc">ResponseSender</a>&nbsp;responseSender)</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Runnable that fetches the table metadata for given <a href="../../../../../../org/apache/drill/exec/proto/UserProtos.GetTablesReq.html" title="class in org.apache.drill.exec.proto"><code>UserProtos.GetTablesReq</code></a> and sends response at the end.</dd>
</dl>
</li>
</ul>
<a name="columns-org.apache.drill.exec.rpc.user.UserSession-org.apache.drill.exec.server.DrillbitContext-org.apache.drill.exec.proto.UserProtos.GetColumnsReq-org.apache.drill.exec.rpc.ResponseSender-">
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<h4>columns</h4>
<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Runnable.html?is-external=true" title="class or interface in java.lang">Runnable</a>&nbsp;columns(<a href="../../../../../../org/apache/drill/exec/rpc/user/UserSession.html" title="class in org.apache.drill.exec.rpc.user">UserSession</a>&nbsp;session,
<a href="../../../../../../org/apache/drill/exec/server/DrillbitContext.html" title="class in org.apache.drill.exec.server">DrillbitContext</a>&nbsp;dContext,
<a href="../../../../../../org/apache/drill/exec/proto/UserProtos.GetColumnsReq.html" title="class in org.apache.drill.exec.proto">UserProtos.GetColumnsReq</a>&nbsp;req,
<a href="../../../../../../org/apache/drill/exec/rpc/ResponseSender.html" title="interface in org.apache.drill.exec.rpc">ResponseSender</a>&nbsp;responseSender)</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Runnable that fetches the column metadata for given <a href="../../../../../../org/apache/drill/exec/proto/UserProtos.GetColumnsReq.html" title="class in org.apache.drill.exec.proto"><code>UserProtos.GetColumnsReq</code></a> and sends response at the end.</dd>
</dl>
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