forked from docs/doc-exports
Su, Xiaomeng
76a5b1ee83
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Su, Xiaomeng <suxiaomeng1@huawei.com> Co-committed-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
47 lines
4.3 KiB
HTML
47 lines
4.3 KiB
HTML
<a name="dli_spark_javahash"></a><a name="dli_spark_javahash"></a>
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<h1 class="topictitle1">javahash</h1>
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<div id="body8662426"><p id="dli_spark_javahash__en-us_topic_0000001703740733_p18471163815215">This function is used to return the hash value of <strong id="dli_spark_javahash__en-us_topic_0000001703740733_b134941681176">a</strong>.</p>
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<div class="section" id="dli_spark_javahash__en-us_topic_0000001703740733_section45291954203217"><h4 class="sectiontitle">Syntax</h4><pre class="screen" id="dli_spark_javahash__en-us_topic_0000001703740733_screen19928459112517">javahash(string a)</pre>
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</div>
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<div class="section" id="dli_spark_javahash__en-us_topic_0000001703740733_section992014913317"><h4 class="sectiontitle">Parameters</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="dli_spark_javahash__en-us_topic_0000001703740733_table1829154762513" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameter</caption><thead align="left"><tr id="dli_spark_javahash__en-us_topic_0000001703740733_row8830104792517"><th align="left" class="cellrowborder" valign="top" width="19.220000000000002%" id="mcps1.3.3.2.2.5.1.1"><p id="dli_spark_javahash__en-us_topic_0000001703740733_p983074711252">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="13.44%" id="mcps1.3.3.2.2.5.1.2"><p id="dli_spark_javahash__en-us_topic_0000001703740733_p6830124732517">Mandatory</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="15.57%" id="mcps1.3.3.2.2.5.1.3"><p id="dli_spark_javahash__en-us_topic_0000001703740733_p13318164512614">Type</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="51.77%" id="mcps1.3.3.2.2.5.1.4"><p id="dli_spark_javahash__en-us_topic_0000001703740733_p08301547132513">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="dli_spark_javahash__en-us_topic_0000001703740733_row15830184792511"><td class="cellrowborder" valign="top" width="19.220000000000002%" headers="mcps1.3.3.2.2.5.1.1 "><p id="dli_spark_javahash__en-us_topic_0000001703740733_p683034714250">a</p>
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</td>
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<td class="cellrowborder" valign="top" width="13.44%" headers="mcps1.3.3.2.2.5.1.2 "><p id="dli_spark_javahash__en-us_topic_0000001703740733_p12830184752518">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="15.57%" headers="mcps1.3.3.2.2.5.1.3 "><p id="dli_spark_javahash__en-us_topic_0000001703740733_p0318545102615">STRING</p>
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</td>
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<td class="cellrowborder" valign="top" width="51.77%" headers="mcps1.3.3.2.2.5.1.4 "><p id="dli_spark_javahash__en-us_topic_0000001703740733_p9484232112711">Data whose hash value needs to be returned</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section" id="dli_spark_javahash__en-us_topic_0000001703740733_section210162513312"><h4 class="sectiontitle">Return Values</h4><p id="dli_spark_javahash__en-us_topic_0000001703740733_p184124317231">The return value is of the STRING type.</p>
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<div class="note" id="dli_spark_javahash__en-us_topic_0000001703740733_note61422099395"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="dli_spark_javahash__en-us_topic_0000001703740733_p11468110152814">The hash value is returned. If the value of <strong id="dli_spark_javahash__en-us_topic_0000001703740733_b1911220551772">a</strong> is <strong id="dli_spark_javahash__en-us_topic_0000001703740733_b34381712818">null</strong>, an error is reported.</p>
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</div></div>
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</div>
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<div class="section" id="dli_spark_javahash__en-us_topic_0000001703740733_section13277192233920"><h4 class="sectiontitle">Example Code</h4><p id="dli_spark_javahash__en-us_topic_0000001703740733_p74451738163718">The value <strong id="dli_spark_javahash__en-us_topic_0000001703740733_b18401189587">48690</strong> is returned.</p>
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<pre class="screen" id="dli_spark_javahash__en-us_topic_0000001703740733_screen1467512477378">select javahash("123");</pre>
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<p id="dli_spark_javahash__en-us_topic_0000001703740733_p844423833713">The value <strong id="dli_spark_javahash__en-us_topic_0000001703740733_b178822918812">123</strong> is returned.</p>
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<pre class="screen" id="dli_spark_javahash__en-us_topic_0000001703740733_screen1246165773718">select javahash(123);</pre>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dli_08_0476.html">Other Functions</a></div>
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</div>
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</div>
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