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<h1 title="Uses of Package org.apache.calcite.adapter.druid" class="title">Uses of Package<br>org.apache.calcite.adapter.druid</h1>
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<table class="useSummary">
<caption><span>Packages that use <a href="package-summary.html">org.apache.calcite.adapter.druid</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Package</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="#org.apache.calcite.adapter.druid">org.apache.calcite.adapter.druid</a></th>
<td class="colLast">
<div class="block">Query provider based on a Druid database.</div>
</td>
</tr>
</tbody>
</table>
</li>
<li class="blockList"><a id="org.apache.calcite.adapter.druid">
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</a>
<table class="useSummary">
<caption><span>Classes in <a href="package-summary.html">org.apache.calcite.adapter.druid</a> used by <a href="package-summary.html">org.apache.calcite.adapter.druid</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/ComplexMetric.html#org.apache.calcite.adapter.druid">ComplexMetric</a></th>
<td class="colLast">
<div class="block">Used to store information about available complex metrics in the Druid Adapter</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DimensionSpec.html#org.apache.calcite.adapter.druid">DimensionSpec</a></th>
<td class="colLast">
<div class="block">Interface for Druid DimensionSpec.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidConnection.html#org.apache.calcite.adapter.druid">DruidConnection</a></th>
<td class="colLast">
<div class="block">Connection to Druid.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidConnectionImpl.html#org.apache.calcite.adapter.druid">DruidConnectionImpl</a></th>
<td class="colLast">
<div class="block">Implementation of <a href="DruidConnection.html" title="interface in org.apache.calcite.adapter.druid"><code>DruidConnection</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidConnectionImpl.JsonAggregator.html#org.apache.calcite.adapter.druid">DruidConnectionImpl.JsonAggregator</a></th>
<td class="colLast">
<div class="block">Element of the "aggregators" collection in the result of a
"segmentMetadata" call, populated by Jackson.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidConnectionImpl.JsonColumn.html#org.apache.calcite.adapter.druid">DruidConnectionImpl.JsonColumn</a></th>
<td class="colLast">
<div class="block">Element of the "columns" collection in the result of a
"segmentMetadata" call, populated by Jackson.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidConnectionImpl.Page.html#org.apache.calcite.adapter.druid">DruidConnectionImpl.Page</a></th>
<td class="colLast">
<div class="block">Progress through a large fetch.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidJson.html#org.apache.calcite.adapter.druid">DruidJson</a></th>
<td class="colLast">
<div class="block">Object that knows how to write itself to a
<code>JsonGenerator</code>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidJsonFilter.html#org.apache.calcite.adapter.druid">DruidJsonFilter</a></th>
<td class="colLast">
<div class="block">Filter element of a Druid "groupBy" or "topN" query.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidJsonFilter.JsonExpressionFilter.html#org.apache.calcite.adapter.druid">DruidJsonFilter.JsonExpressionFilter</a></th>
<td class="colLast">
<div class="block">Druid Expression filter.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidJsonFilter.Type.html#org.apache.calcite.adapter.druid">DruidJsonFilter.Type</a></th>
<td class="colLast">
<div class="block">Supported filter types</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidQuery.html#org.apache.calcite.adapter.druid">DruidQuery</a></th>
<td class="colLast">
<div class="block">Relational expression representing a scan of a Druid data set.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidQuery.JsonAggregation.html#org.apache.calcite.adapter.druid">DruidQuery.JsonAggregation</a></th>
<td class="colLast">
<div class="block">Aggregation element of a Druid "groupBy" or "topN" query.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidQuery.JsonCollation.html#org.apache.calcite.adapter.druid">DruidQuery.JsonCollation</a></th>
<td class="colLast">
<div class="block">Collation element of a Druid "groupBy" query.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidQuery.JsonLimit.html#org.apache.calcite.adapter.druid">DruidQuery.JsonLimit</a></th>
<td class="colLast">
<div class="block">Collation element of a Druid "groupBy" query.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidQuery.JsonPostAggregation.html#org.apache.calcite.adapter.druid">DruidQuery.JsonPostAggregation</a></th>
<td class="colLast">
<div class="block">Post-Aggregator Post aggregator abstract writer</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidQuery.QuerySpec.html#org.apache.calcite.adapter.druid">DruidQuery.QuerySpec</a></th>
<td class="colLast">
<div class="block">Druid query specification.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidAggregateExtractProjectRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidAggregateExtractProjectRule</a></th>
<td class="colLast">
<div class="block">Rule to extract a <a href="../../rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a> from
<a href="../../rel/core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a> on top of
<a href="DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a> based on the fields
used in the aggregate.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidAggregateFilterTransposeRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidAggregateFilterTransposeRule</a></th>
<td class="colLast">
<div class="block">Rule to push an <a href="../../rel/core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a>
past a <a href="../../rel/core/Filter.html" title="class in org.apache.calcite.rel.core"><code>Filter</code></a>
when <code>Filter</code> is on top of a <a href="DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidAggregateProjectRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidAggregateProjectRule</a></th>
<td class="colLast">
<div class="block">Rule to push an <a href="../../rel/core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a> and
<a href="../../rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a> into a <a href="DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidAggregateRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidAggregateRule</a></th>
<td class="colLast">
<div class="block">Rule to push an <a href="../../rel/core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a> into a <a href="DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidFilterAggregateTransposeRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidFilterAggregateTransposeRule</a></th>
<td class="colLast">
<div class="block">Rule to push an <a href="../../rel/core/Filter.html" title="class in org.apache.calcite.rel.core"><code>Filter</code></a>
past an <a href="../../rel/core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a>
when <code>Aggregate</code> is on top of a <a href="DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidFilterProjectTransposeRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidFilterProjectTransposeRule</a></th>
<td class="colLast">
<div class="block">Rule to push a <a href="../../rel/core/Filter.html" title="class in org.apache.calcite.rel.core"><code>Filter</code></a>
past a <a href="../../rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a>
when <code>Project</code> is on top of a <a href="DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidFilterRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidFilterRule</a></th>
<td class="colLast">
<div class="block">Rule to push a <a href="../../rel/core/Filter.html" title="class in org.apache.calcite.rel.core"><code>Filter</code></a> into a <a href="DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidHavingFilterRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidHavingFilterRule</a></th>
<td class="colLast">
<div class="block">Rule to Push a Having <a href="../../rel/core/Filter.html" title="class in org.apache.calcite.rel.core"><code>Filter</code></a> into a <a href="DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a></div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidPostAggregationProjectRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidPostAggregationProjectRule</a></th>
<td class="colLast">
<div class="block">Rule to push a <a href="../../rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a> into a <a href="DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a> as a
Post aggregator.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidProjectFilterTransposeRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidProjectFilterTransposeRule</a></th>
<td class="colLast">
<div class="block">Rule to push a <a href="../../rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a>
past a <a href="../../rel/core/Filter.html" title="class in org.apache.calcite.rel.core"><code>Filter</code></a>
when <code>Filter</code> is on top of a <a href="DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidProjectRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidProjectRule</a></th>
<td class="colLast">
<div class="block">Rule to push a <a href="../../rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a> into a <a href="DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidProjectSortTransposeRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidProjectSortTransposeRule</a></th>
<td class="colLast">
<div class="block">Rule to push back <a href="../../rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a> through a
<a href="../../rel/core/Sort.html" title="class in org.apache.calcite.rel.core"><code>Sort</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidSortProjectTransposeRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidSortProjectTransposeRule</a></th>
<td class="colLast">
<div class="block">Rule to push an <a href="../../rel/core/Sort.html" title="class in org.apache.calcite.rel.core"><code>Sort</code></a> through a
<a href="../../rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidRules.DruidSortRule.html#org.apache.calcite.adapter.druid">DruidRules.DruidSortRule</a></th>
<td class="colLast">
<div class="block">Rule to push a <a href="../../rel/core/Sort.html" title="class in org.apache.calcite.rel.core"><code>Sort</code></a>
into a <a href="DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidSchema.html#org.apache.calcite.adapter.druid">DruidSchema</a></th>
<td class="colLast">
<div class="block">Schema mapped onto a Druid instance.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidSqlOperatorConverter.html#org.apache.calcite.adapter.druid">DruidSqlOperatorConverter</a></th>
<td class="colLast">
<div class="block">Defines how to convert RexNode with a given calcite SQL operator to Druid expressions</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidTable.html#org.apache.calcite.adapter.druid">DruidTable</a></th>
<td class="colLast">
<div class="block">Table mapped onto a Druid table.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/DruidTableFactory.html#org.apache.calcite.adapter.druid">DruidTableFactory</a></th>
<td class="colLast">
<div class="block">Implementation of <a href="../../schema/TableFactory.html" title="interface in org.apache.calcite.schema"><code>TableFactory</code></a> for Druid.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/DruidType.html#org.apache.calcite.adapter.druid">DruidType</a></th>
<td class="colLast">
<div class="block">Druid type.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/ExtractionFunction.html#org.apache.calcite.adapter.druid">ExtractionFunction</a></th>
<td class="colLast">
<div class="block">Interface for Druid extraction functions.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/Granularities.AllGranularity.html#org.apache.calcite.adapter.druid">Granularities.AllGranularity</a></th>
<td class="colLast">
<div class="block">Implementation of <a href="Granularity.html" title="interface in org.apache.calcite.adapter.druid"><code>Granularity</code></a> for <a href="Granularity.Type.html#ALL"><code>Granularity.Type.ALL</code></a>.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/Granularity.html#org.apache.calcite.adapter.druid">Granularity</a></th>
<td class="colLast">
<div class="block">A strategy by which Druid rolls up rows into sub-totals based on their
timestamp values.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/Granularity.Type.html#org.apache.calcite.adapter.druid">Granularity.Type</a></th>
<td class="colLast">
<div class="block">Type of supported periods for granularity.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/QueryType.html#org.apache.calcite.adapter.druid">QueryType</a></th>
<td class="colLast">
<div class="block">Type of Druid query.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/TimeExtractionFunction.html#org.apache.calcite.adapter.druid">TimeExtractionFunction</a></th>
<td class="colLast">
<div class="block">Implementation of Druid time format extraction function.</div>
</td>
</tr>
<tr class="altColor">
<th class="colFirst" scope="row"><a href="class-use/VirtualColumn.html#org.apache.calcite.adapter.druid">VirtualColumn</a></th>
<td class="colLast">
<div class="block">Druid Json Expression based Virtual Column.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colFirst" scope="row"><a href="class-use/VirtualColumn.Builder.html#org.apache.calcite.adapter.druid">VirtualColumn.Builder</a></th>
<td class="colLast">
<div class="block">Virtual Column Builder</div>
</td>
</tr>
</tbody>
</table>
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