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| <h1 title="Package" class="title">Package org.apache.calcite.adapter.druid</h1> |
| <div class="docSummary"> |
| <div class="block">Query provider based on a Druid database.</div> |
| </div> |
| <p>See: <a href="#package.description">Description</a></p> |
| </div> |
| <div class="contentContainer"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Interface Summary table, listing interfaces, and an explanation"> |
| <caption><span>Interface Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Interface</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DimensionSpec.html" title="interface in org.apache.calcite.adapter.druid">DimensionSpec</a></td> |
| <td class="colLast"> |
| <div class="block">Interface for Druid DimensionSpec.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidConnection.html" title="interface in org.apache.calcite.adapter.druid">DruidConnection</a></td> |
| <td class="colLast"> |
| <div class="block">Connection to Druid.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidJson.html" title="interface in org.apache.calcite.adapter.druid">DruidJson</a></td> |
| <td class="colLast"> |
| <div class="block">Object that knows how to write itself to a |
| <code>JsonGenerator</code>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidSqlOperatorConverter.html" title="interface in org.apache.calcite.adapter.druid">DruidSqlOperatorConverter</a></td> |
| <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="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/ExtractionFunction.html" title="interface in org.apache.calcite.adapter.druid">ExtractionFunction</a></td> |
| <td class="colLast"> |
| <div class="block">Interface for Druid extraction functions.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/Granularity.html" title="interface in org.apache.calcite.adapter.druid">Granularity</a></td> |
| <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> |
| </tbody> |
| </table> |
| </li> |
| <li class="blockList"> |
| <table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation"> |
| <caption><span>Class Summary</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tbody> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/BinaryOperatorConversion.html" title="class in org.apache.calcite.adapter.druid">BinaryOperatorConversion</a></td> |
| <td class="colLast"> |
| <div class="block">Binary operator conversion utility class used to convert expression like exp1 Operator exp2</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/CeilOperatorConversion.html" title="class in org.apache.calcite.adapter.druid">CeilOperatorConversion</a></td> |
| <td class="colLast"> |
| <div class="block">DruidSqlOperatorConverter implementation that handles Ceil operations conversions</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/ComplexMetric.html" title="class in org.apache.calcite.adapter.druid">ComplexMetric</a></td> |
| <td class="colLast"> |
| <div class="block">Used to store information about available complex metrics in the Druid Adapter</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DefaultDimensionSpec.html" title="class in org.apache.calcite.adapter.druid">DefaultDimensionSpec</a></td> |
| <td class="colLast"> |
| <div class="block">Default implementation of DimensionSpec.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DirectOperatorConversion.html" title="class in org.apache.calcite.adapter.druid">DirectOperatorConversion</a></td> |
| <td class="colLast"> |
| <div class="block">Direct operator conversion for expression like Function(exp_1,...exp_n)</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidDateTimeUtils.html" title="class in org.apache.calcite.adapter.druid">DruidDateTimeUtils</a></td> |
| <td class="colLast"> |
| <div class="block">Utilities for generating intervals from RexNode.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidExpressions.html" title="class in org.apache.calcite.adapter.druid">DruidExpressions</a></td> |
| <td class="colLast"> |
| <div class="block">Expression utility class to transform Calcite expressions to Druid expressions when possible.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidQuery.html" title="class in org.apache.calcite.adapter.druid">DruidQuery</a></td> |
| <td class="colLast"> |
| <div class="block">Relational expression representing a scan of a Druid data set.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidQuery.JsonPostAggregation.html" title="class in org.apache.calcite.adapter.druid">DruidQuery.JsonPostAggregation</a></td> |
| <td class="colLast"> |
| <div class="block">Post-Aggregator Post aggregator abstract writer</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidQuery.QuerySpec.html" title="class in org.apache.calcite.adapter.druid">DruidQuery.QuerySpec</a></td> |
| <td class="colLast"> |
| <div class="block">Druid query specification.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.html" title="class in org.apache.calcite.adapter.druid">DruidRules</a></td> |
| <td class="colLast"> |
| <div class="block">Rules and relational operators for <a href="../../../../../org/apache/calcite/adapter/druid/DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidAggregateExtractProjectRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidAggregateExtractProjectRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule to extract a <a href="../../../../../org/apache/calcite/rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a> from |
| <a href="../../../../../org/apache/calcite/rel/core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a> on top of |
| <a href="../../../../../org/apache/calcite/adapter/druid/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"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidAggregateFilterTransposeRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidAggregateFilterTransposeRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule to push an <a href="../../../../../org/apache/calcite/rel/core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a> |
| past a <a href="../../../../../org/apache/calcite/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="../../../../../org/apache/calcite/adapter/druid/DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidAggregateProjectRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidAggregateProjectRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule to push an <a href="../../../../../org/apache/calcite/rel/core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a> and |
| <a href="../../../../../org/apache/calcite/rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a> into a <a href="../../../../../org/apache/calcite/adapter/druid/DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidAggregateRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidAggregateRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule to push an <a href="../../../../../org/apache/calcite/rel/core/Aggregate.html" title="class in org.apache.calcite.rel.core"><code>Aggregate</code></a> into a <a href="../../../../../org/apache/calcite/adapter/druid/DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidFilterAggregateTransposeRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidFilterAggregateTransposeRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule to push an <a href="../../../../../org/apache/calcite/rel/core/Filter.html" title="class in org.apache.calcite.rel.core"><code>Filter</code></a> |
| past an <a href="../../../../../org/apache/calcite/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="../../../../../org/apache/calcite/adapter/druid/DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidFilterProjectTransposeRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidFilterProjectTransposeRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule to push a <a href="../../../../../org/apache/calcite/rel/core/Filter.html" title="class in org.apache.calcite.rel.core"><code>Filter</code></a> |
| past a <a href="../../../../../org/apache/calcite/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="../../../../../org/apache/calcite/adapter/druid/DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidFilterRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidFilterRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule to push a <a href="../../../../../org/apache/calcite/rel/core/Filter.html" title="class in org.apache.calcite.rel.core"><code>Filter</code></a> into a <a href="../../../../../org/apache/calcite/adapter/druid/DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidHavingFilterRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidHavingFilterRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule to Push a Having <a href="../../../../../org/apache/calcite/rel/core/Filter.html" title="class in org.apache.calcite.rel.core"><code>Filter</code></a> into a <a href="../../../../../org/apache/calcite/adapter/druid/DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a></div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidPostAggregationProjectRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidPostAggregationProjectRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule to push a <a href="../../../../../org/apache/calcite/rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a> into a <a href="../../../../../org/apache/calcite/adapter/druid/DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a> as a |
| Post aggregator.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidProjectFilterTransposeRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidProjectFilterTransposeRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule to push a <a href="../../../../../org/apache/calcite/rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a> |
| past a <a href="../../../../../org/apache/calcite/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="../../../../../org/apache/calcite/adapter/druid/DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidProjectRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidProjectRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule to push a <a href="../../../../../org/apache/calcite/rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a> into a <a href="../../../../../org/apache/calcite/adapter/druid/DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidProjectSortTransposeRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidProjectSortTransposeRule</a></td> |
| <td class="colLast">Deprecated</td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidSortProjectTransposeRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidSortProjectTransposeRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule to push an <a href="../../../../../org/apache/calcite/rel/core/Sort.html" title="class in org.apache.calcite.rel.core"><code>Sort</code></a> through a |
| <a href="../../../../../org/apache/calcite/rel/core/Project.html" title="class in org.apache.calcite.rel.core"><code>Project</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidRules.DruidSortRule.html" title="class in org.apache.calcite.adapter.druid">DruidRules.DruidSortRule</a></td> |
| <td class="colLast"> |
| <div class="block">Rule to push a <a href="../../../../../org/apache/calcite/rel/core/Sort.html" title="class in org.apache.calcite.rel.core"><code>Sort</code></a> |
| into a <a href="../../../../../org/apache/calcite/adapter/druid/DruidQuery.html" title="class in org.apache.calcite.adapter.druid"><code>DruidQuery</code></a>.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidSchema.html" title="class in org.apache.calcite.adapter.druid">DruidSchema</a></td> |
| <td class="colLast"> |
| <div class="block">Schema mapped onto a Druid instance.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidSchemaFactory.html" title="class in org.apache.calcite.adapter.druid">DruidSchemaFactory</a></td> |
| <td class="colLast"> |
| <div class="block">Schema factory that creates Druid schemas.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidSqlCastConverter.html" title="class in org.apache.calcite.adapter.druid">DruidSqlCastConverter</a></td> |
| <td class="colLast"> |
| <div class="block">Druid cast converter operator used to translates calcite casts to Druid expression cast</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidTable.html" title="class in org.apache.calcite.adapter.druid">DruidTable</a></td> |
| <td class="colLast"> |
| <div class="block">Table mapped onto a Druid table.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidTableFactory.html" title="class in org.apache.calcite.adapter.druid">DruidTableFactory</a></td> |
| <td class="colLast"> |
| <div class="block">Implementation of <a href="../../../../../org/apache/calcite/schema/TableFactory.html" title="interface in org.apache.calcite.schema"><code>TableFactory</code></a> for Druid.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/ExtractionDimensionSpec.html" title="class in org.apache.calcite.adapter.druid">ExtractionDimensionSpec</a></td> |
| <td class="colLast"> |
| <div class="block">Implementation of extraction function DimensionSpec.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/ExtractOperatorConversion.html" title="class in org.apache.calcite.adapter.druid">ExtractOperatorConversion</a></td> |
| <td class="colLast"> |
| <div class="block">Time extract operator conversion for expressions like EXTRACT(timeUnit FROM arg) |
| Unit can be SECOND, MINUTE, HOUR, DAY (day of month), |
| DOW (day of week), DOY (day of year), WEEK (week of week year), |
| MONTH (1 through 12), QUARTER (1 through 4), or YEAR</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/FloorOperatorConversion.html" title="class in org.apache.calcite.adapter.druid">FloorOperatorConversion</a></td> |
| <td class="colLast"> |
| <div class="block">DruidSqlOperatorConverter implementation that handles Floor operations conversions</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/Granularities.html" title="class in org.apache.calcite.adapter.druid">Granularities</a></td> |
| <td class="colLast"> |
| <div class="block">Factory methods and helpers for <a href="../../../../../org/apache/calcite/adapter/druid/Granularity.html" title="interface in org.apache.calcite.adapter.druid"><code>Granularity</code></a>.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/NaryOperatorConverter.html" title="class in org.apache.calcite.adapter.druid">NaryOperatorConverter</a></td> |
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| <div class="block">Converts Calcite n-ary operators to druid expression eg (arg1 Op arg2 Op arg3)</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/SubstringOperatorConversion.html" title="class in org.apache.calcite.adapter.druid">SubstringOperatorConversion</a></td> |
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| <div class="block">Converts Calcite SUBSTRING call to Druid Expression when possible</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/TimeExtractionFunction.html" title="class in org.apache.calcite.adapter.druid">TimeExtractionFunction</a></td> |
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| <div class="block">Implementation of Druid time format extraction function.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/UnaryPrefixOperatorConversion.html" title="class in org.apache.calcite.adapter.druid">UnaryPrefixOperatorConversion</a></td> |
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| <div class="block">Unary prefix Operator conversion class used to convert expression like Unary NOT and Minus</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/UnarySuffixOperatorConversion.html" title="class in org.apache.calcite.adapter.druid">UnarySuffixOperatorConversion</a></td> |
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| <div class="block">Unary suffix operator conversion, used to convert function like: expression Unary_Operator</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/VirtualColumn.html" title="class in org.apache.calcite.adapter.druid">VirtualColumn</a></td> |
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| <div class="block">Druid Json Expression based Virtual Column.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/VirtualColumn.Builder.html" title="class in org.apache.calcite.adapter.druid">VirtualColumn.Builder</a></td> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/DruidType.html" title="enum in org.apache.calcite.adapter.druid">DruidType</a></td> |
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| <div class="block">Druid type.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/Granularity.Type.html" title="enum in org.apache.calcite.adapter.druid">Granularity.Type</a></td> |
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| <div class="block">Type of supported periods for granularity.</div> |
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| <td class="colFirst"><a href="../../../../../org/apache/calcite/adapter/druid/QueryType.html" title="enum in org.apache.calcite.adapter.druid">QueryType</a></td> |
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| <div class="block">Type of Druid query.</div> |
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