forked from docs/doc-exports
Su, Xiaomeng
04d4597cf3
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>
49 lines
4.4 KiB
HTML
49 lines
4.4 KiB
HTML
<a name="dli_08_0337"></a><a name="dli_08_0337"></a>
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<h1 class="topictitle1">Collection Functions</h1>
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<div id="body8662426"><div class="section" id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_section1347204216431"><h4 class="sectiontitle">Description</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_table179611515144413" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Collection functions</caption><thead align="left"><tr id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_row199611615174417"><th align="left" class="cellrowborder" valign="top" width="37.45%" id="mcps1.3.1.2.2.3.1.1"><p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p15961131544414">Function</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="62.55%" id="mcps1.3.1.2.2.3.1.2"><p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p1796161504414">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_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_row1696151554412"><td class="cellrowborder" valign="top" width="37.45%" headers="mcps1.3.1.2.2.3.1.1 "><p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p796141584419">CARDINALITY(array)</p>
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</td>
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<td class="cellrowborder" valign="top" width="62.55%" headers="mcps1.3.1.2.2.3.1.2 "><p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p199614152441">Returns the number of elements in array.</p>
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</td>
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</tr>
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<tr id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_row19961191513447"><td class="cellrowborder" valign="top" width="37.45%" headers="mcps1.3.1.2.2.3.1.1 "><p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p796191518444">array '[' integer ']'</p>
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</td>
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<td class="cellrowborder" valign="top" width="62.55%" headers="mcps1.3.1.2.2.3.1.2 "><p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p1096110152442">Returns the element at position INT in array. The index starts from 1.</p>
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</td>
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</tr>
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<tr id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_row1796110152445"><td class="cellrowborder" valign="top" width="37.45%" headers="mcps1.3.1.2.2.3.1.1 "><p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p1196111158449">ELEMENT(array)</p>
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</td>
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<td class="cellrowborder" valign="top" width="62.55%" headers="mcps1.3.1.2.2.3.1.2 "><p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p696111158441">Returns the sole element of array (whose cardinality should be one)</p>
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<p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p11901178507">Returns <strong id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_b35021237194511">NULL</strong> if array is empty. </p>
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<p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p161051927175011">Throws an exception if array has more than one element.</p>
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</td>
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</tr>
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<tr id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_row169613158449"><td class="cellrowborder" valign="top" width="37.45%" headers="mcps1.3.1.2.2.3.1.1 "><p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p496131517444">CARDINALITY(map)</p>
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</td>
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<td class="cellrowborder" valign="top" width="62.55%" headers="mcps1.3.1.2.2.3.1.2 "><p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p20961715194410">Returns the number of entries in map.</p>
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</td>
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</tr>
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<tr id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_row209611115184410"><td class="cellrowborder" valign="top" width="37.45%" headers="mcps1.3.1.2.2.3.1.1 "><p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p15961215154416">map '[' key ']'</p>
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</td>
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<td class="cellrowborder" valign="top" width="62.55%" headers="mcps1.3.1.2.2.3.1.2 "><p id="dli_08_0337__en-us_topic_0000001165951933_en-us_topic_0000001084864126_p1096115150440">Returns the value specified by key value in map.</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>
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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_0331.html">Built-In Functions</a></div>
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</div>
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</div>
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