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| <li>Summary: </li> |
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| <div class="subTitle">org.apache.hawq.pxf.plugins.hive</div> |
| <h2 title="Class HiveMetadataFetcher" class="title">Class HiveMetadataFetcher</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/hawq/pxf/api/utilities/Plugin.html" title="class in org.apache.hawq.pxf.api.utilities">org.apache.hawq.pxf.api.utilities.Plugin</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/hawq/pxf/api/MetadataFetcher.html" title="class in org.apache.hawq.pxf.api">org.apache.hawq.pxf.api.MetadataFetcher</a></li> |
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| <ul class="inheritance"> |
| <li>org.apache.hawq.pxf.plugins.hive.HiveMetadataFetcher</li> |
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| <pre>public class <span class="typeNameLabel">HiveMetadataFetcher</span> |
| extends <a href="../../../../../../org/apache/hawq/pxf/api/MetadataFetcher.html" title="class in org.apache.hawq.pxf.api">MetadataFetcher</a></pre> |
| <div class="block">Class for connecting to Hive's MetaStore and getting schema of Hive tables.</div> |
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| <h3>Fields inherited from class org.apache.hawq.pxf.api.<a href="../../../../../../org/apache/hawq/pxf/api/MetadataFetcher.html" title="class in org.apache.hawq.pxf.api">MetadataFetcher</a></h3> |
| <code><a href="../../../../../../org/apache/hawq/pxf/api/MetadataFetcher.html#metadata">metadata</a></code></li> |
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| <code><a href="../../../../../../org/apache/hawq/pxf/api/utilities/Plugin.html#inputData">inputData</a></code></li> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hawq/pxf/plugins/hive/HiveMetadataFetcher.html#HiveMetadataFetcher-org.apache.hawq.pxf.api.utilities.InputData-">HiveMetadataFetcher</a></span>(<a href="../../../../../../org/apache/hawq/pxf/api/utilities/InputData.html" title="class in org.apache.hawq.pxf.api.utilities">InputData</a> md)</code> </td> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>java.util.List<<a href="../../../../../../org/apache/hawq/pxf/api/Metadata.html" title="class in org.apache.hawq.pxf.api">Metadata</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hawq/pxf/plugins/hive/HiveMetadataFetcher.html#getMetadata-java.lang.String-">getMetadata</a></span>(java.lang.String pattern)</code> |
| <div class="block">Fetches metadata of hive tables corresponding to the given pattern |
| For patterns matching more than one table, the unsupported tables are skipped.</div> |
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| <code><a href="../../../../../../org/apache/hawq/pxf/api/utilities/Plugin.html#isThreadSafe--">isThreadSafe</a></code></li> |
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| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
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| <h4>HiveMetadataFetcher</h4> |
| <pre>public HiveMetadataFetcher(<a href="../../../../../../org/apache/hawq/pxf/api/utilities/InputData.html" title="class in org.apache.hawq.pxf.api.utilities">InputData</a> md)</pre> |
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| <h4>getMetadata</h4> |
| <pre>public java.util.List<<a href="../../../../../../org/apache/hawq/pxf/api/Metadata.html" title="class in org.apache.hawq.pxf.api">Metadata</a>> getMetadata(java.lang.String pattern) |
| throws java.lang.Exception</pre> |
| <div class="block">Fetches metadata of hive tables corresponding to the given pattern |
| For patterns matching more than one table, the unsupported tables are skipped. |
| If the pattern correspond to exactly one table, throws an exception if |
| the table type is not supported or contains unsupported field types. |
| Supported HCatalog types: TINYINT, |
| SMALLINT, INT, BIGINT, BOOLEAN, FLOAT, DOUBLE, STRING, BINARY, TIMESTAMP, |
| DATE, DECIMAL, VARCHAR, CHAR.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/hawq/pxf/api/MetadataFetcher.html#getMetadata-java.lang.String-">getMetadata</a></code> in class <code><a href="../../../../../../org/apache/hawq/pxf/api/MetadataFetcher.html" title="class in org.apache.hawq.pxf.api">MetadataFetcher</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pattern</code> - pattern table/file name or pattern in the given source</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>metadata of all items corresponding to given pattern</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.Exception</code> - if metadata information could not be retrieved</dd> |
| </dl> |
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