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| <li>Summary: </li> |
| <li>Field | </li> |
| <li><a href="#annotation.type.required.element.summary">Required</a> | </li> |
| <li>Optional</li> |
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| <h2 title="Annotation Type MetastoreFieldDefinition" class="title">Annotation Type MetastoreFieldDefinition</h2> |
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| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/Retention.html?is-external=true" title="class or interface in java.lang.annotation">@Retention</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/Retention.html?is-external=true#value--" title="class or interface in java.lang.annotation">value</a>=<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/RetentionPolicy.html?is-external=true#RUNTIME" title="class or interface in java.lang.annotation">RUNTIME</a>) |
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| public @interface <span class="memberNameLabel">MetastoreFieldDefinition</span></pre> |
| <div class="block">Annotation used to determine to which metadata types Metastore units fields belong. |
| Mainly used when obtaining field information using reflection. |
| Only fields annotated with this annotation are considered to be part of component |
| metadata unit, non-annotated fields will be ignored.</div> |
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| <!-- =========== ANNOTATION TYPE REQUIRED MEMBER SUMMARY =========== --> |
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| <h3>Required Element Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Required Element Summary table, listing required elements, and an explanation"> |
| <caption><span>Required Elements</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Required Element and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/drill/metastore/MetastoreColumn.html" title="enum in org.apache.drill.metastore">MetastoreColumn</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/drill/metastore/MetastoreFieldDefinition.html#column--">column</a></span></code> |
| <div class="block">Indicates Metastore column which can be used in select or filter.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/drill/metastore/metadata/MetadataType.html" title="enum in org.apache.drill.metastore.metadata">MetadataType</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/drill/metastore/MetastoreFieldDefinition.html#scopes--">scopes</a></span></code> |
| <div class="block">Indicated metadata types to which field belongs to.</div> |
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| <h4>column</h4> |
| <pre>public abstract <a href="../../../../org/apache/drill/metastore/MetastoreColumn.html" title="enum in org.apache.drill.metastore">MetastoreColumn</a> column</pre> |
| <div class="block">Indicates Metastore column which can be used in select or filter.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>column enum value</dd> |
| </dl> |
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| <h4>scopes</h4> |
| <pre>public abstract <a href="../../../../org/apache/drill/metastore/metadata/MetadataType.html" title="enum in org.apache.drill.metastore.metadata">MetadataType</a>[] scopes</pre> |
| <div class="block">Indicated metadata types to which field belongs to.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>array of metadata types field belongs to</dd> |
| </dl> |
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| <li><a href="#annotation.type.required.element.summary">Required</a> | </li> |
| <li>Optional</li> |
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