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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.adapter.druid</a></div> |
| <h2 title="Class DruidDateTimeUtils" class="title">Class DruidDateTimeUtils</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <li>org.apache.calcite.adapter.druid.DruidDateTimeUtils</li> |
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| <pre>public class <span class="typeNameLabel">DruidDateTimeUtils</span> |
| extends java.lang.Object</pre> |
| <div class="block">Utilities for generating intervals from RexNode.</div> |
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| <tr class="altColor"> |
| <td class="colFirst"><code>protected static org.slf4j.Logger</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#LOGGER">LOGGER</a></span></code></th> |
| <td class="colLast"> </td> |
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| <td class="colFirst"><code>private </code></td> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">DruidDateTimeUtils</a></span>()</code></th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static java.util.List<org.joda.time.Interval></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createInterval(org.apache.calcite.rex.RexNode)">createInterval</a></span>​(<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> e)</code></th> |
| <td class="colLast"> |
| <div class="block">Generates a list of <code>Interval</code>s equivalent to a given |
| expression.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="Granularity.html" title="interface in org.apache.calcite.adapter.druid">Granularity</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#extractGranularity(org.apache.calcite.rex.RexNode,java.lang.String)">extractGranularity</a></span>​(<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> node, |
| java.lang.String timeZone)</code></th> |
| <td class="colLast"> |
| <div class="block">Infers granularity from a time unit.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>protected static java.util.List<com.google.common.collect.Range<java.lang.Long>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#extractRanges(org.apache.calcite.rex.RexNode,boolean)">extractRanges</a></span>​(<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> node, |
| boolean withNot)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>protected static java.util.List<com.google.common.collect.Range<java.lang.Long>></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#leafToRanges(org.apache.calcite.rex.RexCall,boolean)">leafToRanges</a></span>​(<a href="../../rex/RexCall.html" title="class in org.apache.calcite.rex">RexCall</a> call, |
| boolean withNot)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>protected static java.lang.Long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#literalValue(org.apache.calcite.rex.RexNode)">literalValue</a></span>​(<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> node)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the literal value for the given node, assuming it is a literal with |
| datetime type, or a cast that only alters nullability on top of a literal with |
| datetime type.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static <a href="Granularity.Type.html" title="enum in org.apache.calcite.adapter.druid">Granularity.Type</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toDruidGranularity(org.apache.calcite.avatica.util.TimeUnitRange)">toDruidGranularity</a></span>​(org.apache.calcite.avatica.util.TimeUnitRange timeUnit)</code></th> |
| <td class="colLast"> |
| <div class="block">Translates Calcite TimeUnitRange to Druid <a href="Granularity.html" title="interface in org.apache.calcite.adapter.druid"><code>Granularity</code></a></div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>protected static java.util.List<org.joda.time.Interval></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toInterval(java.util.List)">toInterval</a></span>​(java.util.List<com.google.common.collect.Range<java.lang.Long>> ranges)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toISOPeriodFormat(org.apache.calcite.adapter.druid.Granularity.Type)">toISOPeriodFormat</a></span>​(<a href="Granularity.Type.html" title="enum in org.apache.calcite.adapter.druid">Granularity.Type</a> type)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
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| <li class="blockList"><a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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| <h4>LOGGER</h4> |
| <pre>protected static final org.slf4j.Logger LOGGER</pre> |
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| <h4>DruidDateTimeUtils</h4> |
| <pre>private DruidDateTimeUtils()</pre> |
| </li> |
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| <li class="blockList"> |
| <h4>createInterval</h4> |
| <pre class="methodSignature">@Nullable |
| public static java.util.List<org.joda.time.Interval> createInterval​(<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> e)</pre> |
| <div class="block">Generates a list of <code>Interval</code>s equivalent to a given |
| expression. Assumes that all the predicates in the input |
| reference a single column: the timestamp column.</div> |
| </li> |
| </ul> |
| <a id="toInterval(java.util.List)"> |
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| <h4>toInterval</h4> |
| <pre class="methodSignature">protected static java.util.List<org.joda.time.Interval> toInterval​(java.util.List<com.google.common.collect.Range<java.lang.Long>> ranges)</pre> |
| </li> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>extractRanges</h4> |
| <pre class="methodSignature">@Nullable |
| protected static java.util.List<com.google.common.collect.Range<java.lang.Long>> extractRanges​(<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> node, |
| boolean withNot)</pre> |
| </li> |
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| <li class="blockList"> |
| <h4>leafToRanges</h4> |
| <pre class="methodSignature">@Nullable |
| protected static java.util.List<com.google.common.collect.Range<java.lang.Long>> leafToRanges​(<a href="../../rex/RexCall.html" title="class in org.apache.calcite.rex">RexCall</a> call, |
| boolean withNot)</pre> |
| </li> |
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| <a id="literalValue(org.apache.calcite.rex.RexNode)"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>literalValue</h4> |
| <pre class="methodSignature">@Nullable |
| protected static java.lang.Long literalValue​(<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> node)</pre> |
| <div class="block">Returns the literal value for the given node, assuming it is a literal with |
| datetime type, or a cast that only alters nullability on top of a literal with |
| datetime type.</div> |
| </li> |
| </ul> |
| <a id="extractGranularity(org.apache.calcite.rex.RexNode,java.lang.String)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>extractGranularity</h4> |
| <pre class="methodSignature">@Nullable |
| public static <a href="Granularity.html" title="interface in org.apache.calcite.adapter.druid">Granularity</a> extractGranularity​(<a href="../../rex/RexNode.html" title="class in org.apache.calcite.rex">RexNode</a> node, |
| java.lang.String timeZone)</pre> |
| <div class="block">Infers granularity from a time unit. |
| It supports <code>FLOOR(<time> TO <timeunit>)</code> |
| and <code>EXTRACT(<timeunit> FROM <time>)</code>. |
| Returns null if it cannot be inferred.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>node</code> - the Rex node</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the granularity, or null if it cannot be inferred</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="toISOPeriodFormat(org.apache.calcite.adapter.druid.Granularity.Type)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toISOPeriodFormat</h4> |
| <pre class="methodSignature">@Nullable |
| public static java.lang.String toISOPeriodFormat​(<a href="Granularity.Type.html" title="enum in org.apache.calcite.adapter.druid">Granularity.Type</a> type)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>type</code> - Druid Granularity to translate as period of time</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>String representing the granularity as ISO8601 Period of Time, null for unknown case.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="toDruidGranularity(org.apache.calcite.avatica.util.TimeUnitRange)"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>toDruidGranularity</h4> |
| <pre class="methodSignature">@Nullable |
| public static <a href="Granularity.Type.html" title="enum in org.apache.calcite.adapter.druid">Granularity.Type</a> toDruidGranularity​(org.apache.calcite.avatica.util.TimeUnitRange timeUnit)</pre> |
| <div class="block">Translates Calcite TimeUnitRange to Druid <a href="Granularity.html" title="interface in org.apache.calcite.adapter.druid"><code>Granularity</code></a></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>timeUnit</code> - Calcite Time unit to convert</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Druid Granularity or null</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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