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| <td class="colFirst"><code>static boolean</code></td> |
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| <td class="colFirst"><code>static byte[]</code></td> |
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| <div class="block">When scanning for a prefix the scan should stop immediately after the the last row that |
| has the specified prefix.</div> |
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| <pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/client/ClientUtil.html#line.26">ClientUtil</a>()</pre> |
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| <pre>public static boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/client/ClientUtil.html#line.29">areScanStartRowAndStopRowEqual</a>(byte[] startRow, |
| byte[] stopRow)</pre> |
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| <pre>public static byte[] <a href="../../../../../src-html/org/apache/hadoop/hbase/client/ClientUtil.html#line.54">calculateTheClosestNextRowKeyForPrefix</a>(byte[] rowKeyPrefix)</pre> |
| <div class="block"><p>When scanning for a prefix the scan should stop immediately after the the last row that |
| has the specified prefix. This method calculates the closest next rowKey immediately following |
| the given rowKeyPrefix.</p> |
| <p><b>IMPORTANT: This converts a rowKey<u>Prefix</u> into a rowKey</b>.</p> |
| <p>If the prefix is an 'ASCII' string put into a byte[] then this is easy because you can |
| simply increment the last byte of the array. |
| But if your application uses real binary rowids you may run into the scenario that your |
| prefix is something like:</p> |
| <b>{ 0x12, 0x23, 0xFF, 0xFF }</b><br/> |
| Then this stopRow needs to be fed into the actual scan<br/> |
| <b>{ 0x12, 0x24 }</b> (Notice that it is shorter now)<br/> |
| This method calculates the correct stop row value for this usecase.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rowKeyPrefix</code> - the rowKey<u>Prefix</u>.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the closest next rowKey immediately following the given rowKeyPrefix.</dd> |
| </dl> |
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