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| <h2 title="Class AnalyzeColumnUtils" class="title">Class AnalyzeColumnUtils</h2> |
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| <li>org.apache.drill.exec.metastore.analyze.AnalyzeColumnUtils</li> |
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| <pre>public class <span class="typeNameLabel">AnalyzeColumnUtils</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> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics">StatisticsKind</a><?>,org.apache.calcite.sql.SqlKind></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/metastore/analyze/AnalyzeColumnUtils.html#COLUMN_STATISTICS_FUNCTIONS">COLUMN_STATISTICS_FUNCTIONS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics">StatisticsKind</a><?>,<a href="../../../../../../org/apache/drill/common/types/TypeProtos.MinorType.html" title="enum in org.apache.drill.common.types">TypeProtos.MinorType</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/metastore/analyze/AnalyzeColumnUtils.html#COLUMN_STATISTICS_TYPES">COLUMN_STATISTICS_TYPES</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics">StatisticsKind</a><?>,org.apache.calcite.sql.SqlKind></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/metastore/analyze/AnalyzeColumnUtils.html#META_STATISTICS_FUNCTIONS">META_STATISTICS_FUNCTIONS</a></span></code> </td> |
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| <th class="colOne" scope="col">Constructor and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/metastore/analyze/AnalyzeColumnUtils.html#AnalyzeColumnUtils--">AnalyzeColumnUtils</a></span>()</code> </td> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/metastore/analyze/AnalyzeColumnUtils.html#getColumnName-java.lang.String-">getColumnName</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fullName)</code> |
| <div class="block">Returns actual column name obtained form intermediate name which includes statistics kind and other analyze-specific info.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/metastore/analyze/AnalyzeColumnUtils.html#getColumnStatisticsFieldName-java.lang.String-org.apache.drill.metastore.statistics.StatisticsKind-">getColumnStatisticsFieldName</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> columnName, |
| <a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics">StatisticsKind</a><?> statisticsKind)</code> |
| <div class="block">Returns analyze-specific field name for column statistics which includes |
| actual column name and statistics kind information.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/metastore/analyze/AnalyzeColumnUtils.html#getMetadataStatisticsFieldName-org.apache.drill.metastore.statistics.StatisticsKind-">getMetadataStatisticsFieldName</a></span>(<a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics">StatisticsKind</a><?> statisticsKind)</code> |
| <div class="block">Returns analyze-specific field name for metadata statistics which includes statistics kind information.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics">StatisticsKind</a><?></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/metastore/analyze/AnalyzeColumnUtils.html#getStatisticsKind-java.lang.String-">getStatisticsKind</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fullName)</code> |
| <div class="block">Returns <a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics"><code>StatisticsKind</code></a> instance obtained form intermediate field name.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/metastore/analyze/AnalyzeColumnUtils.html#isColumnStatisticsField-java.lang.String-">isColumnStatisticsField</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fieldName)</code> |
| <div class="block">Checks whether specified field name is analyze-specific field for column statistics.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/drill/exec/metastore/analyze/AnalyzeColumnUtils.html#isMetadataStatisticsField-java.lang.String-">isMetadataStatisticsField</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fieldName)</code> |
| <div class="block">Checks whether specified field name is analyze-specific field for metadata statistics.</div> |
| </td> |
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| <h3>Methods inherited from class java.lang.<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></h3> |
| <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> |
| </ul> |
| </li> |
| </ul> |
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| <h4>COLUMN_STATISTICS_FUNCTIONS</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics">StatisticsKind</a><?>,org.apache.calcite.sql.SqlKind> COLUMN_STATISTICS_FUNCTIONS</pre> |
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| <a name="COLUMN_STATISTICS_TYPES"> |
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| <h4>COLUMN_STATISTICS_TYPES</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics">StatisticsKind</a><?>,<a href="../../../../../../org/apache/drill/common/types/TypeProtos.MinorType.html" title="enum in org.apache.drill.common.types">TypeProtos.MinorType</a>> COLUMN_STATISTICS_TYPES</pre> |
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| <h4>META_STATISTICS_FUNCTIONS</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics">StatisticsKind</a><?>,org.apache.calcite.sql.SqlKind> META_STATISTICS_FUNCTIONS</pre> |
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| <h3>Constructor Detail</h3> |
| <a name="AnalyzeColumnUtils--"> |
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| <h4>AnalyzeColumnUtils</h4> |
| <pre>public AnalyzeColumnUtils()</pre> |
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| <a name="getColumnName-java.lang.String-"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getColumnName</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getColumnName(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fullName)</pre> |
| <div class="block">Returns actual column name obtained form intermediate name which includes statistics kind and other analyze-specific info. |
| <p> |
| Example: column which corresponds to max statistics value for <code>`o_shippriority`</code> column is <code>column$maxValue$`o_shippriority`</code>. |
| This method will return escaped actual column name: <code>`o_shippriority`</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fullName</code> - the source of actual column name</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>actual column name</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>getStatisticsKind</h4> |
| <pre>public static <a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics">StatisticsKind</a><?> getStatisticsKind(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fullName)</pre> |
| <div class="block">Returns <a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics"><code>StatisticsKind</code></a> instance obtained form intermediate field name.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fullName</code> - the source of <a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics"><code>StatisticsKind</code></a> to obtain</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics"><code>StatisticsKind</code></a> instance</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getColumnStatisticsFieldName-java.lang.String-org.apache.drill.metastore.statistics.StatisticsKind-"> |
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| </a> |
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| <h4>getColumnStatisticsFieldName</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getColumnStatisticsFieldName(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> columnName, |
| <a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics">StatisticsKind</a><?> statisticsKind)</pre> |
| <div class="block">Returns analyze-specific field name for column statistics which includes |
| actual column name and statistics kind information. |
| <p> |
| Example: analyze-specific field name for column <code>`o_shippriority`</code> |
| and statistics <code>MAX_VALUE</code> is the following: <code>column$maxValue$`o_shippriority`</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>columnName</code> - name of the column</dd> |
| <dd><code>statisticsKind</code> - statistics kind</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>analyze-specific field name which includes actual column name and statistics kind information</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getMetadataStatisticsFieldName-org.apache.drill.metastore.statistics.StatisticsKind-"> |
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| </a> |
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| <li class="blockList"> |
| <h4>getMetadataStatisticsFieldName</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getMetadataStatisticsFieldName(<a href="../../../../../../org/apache/drill/metastore/statistics/StatisticsKind.html" title="interface in org.apache.drill.metastore.statistics">StatisticsKind</a><?> statisticsKind)</pre> |
| <div class="block">Returns analyze-specific field name for metadata statistics which includes statistics kind information. |
| <p> |
| Example: analyze-specific field name for statistics <code>ROW_COUNT</code> is the following: <code>metadata$rowCount</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>statisticsKind</code> - statistics kind</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>analyze-specific field name for metadata statistics</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isColumnStatisticsField-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>isColumnStatisticsField</h4> |
| <pre>public static boolean isColumnStatisticsField(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fieldName)</pre> |
| <div class="block">Checks whether specified field name is analyze-specific field for column statistics.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fieldName</code> - name of the field to check</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><code>true</code> if specified field name is analyze-specific field for column statistics</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isMetadataStatisticsField-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
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| <h4>isMetadataStatisticsField</h4> |
| <pre>public static boolean isMetadataStatisticsField(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fieldName)</pre> |
| <div class="block">Checks whether specified field name is analyze-specific field for metadata statistics.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fieldName</code> - name of the field to check</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><code>true</code> if specified field name is analyze-specific field for metadata statistics</dd> |
| </dl> |
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