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>
54 lines
6.5 KiB
HTML
54 lines
6.5 KiB
HTML
<a name="dli_spark_lastday"></a><a name="dli_spark_lastday"></a>
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<h1 class="topictitle1">lastday</h1>
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<div id="body8662426"><p id="dli_spark_lastday__en-us_topic_0000001694154517_p18471163815215">This function is used to return the last day of the month a date belongs to. The hour, minute, and second part is 00:00:00.</p>
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<p id="dli_spark_lastday__en-us_topic_0000001694154517_p44881017185518">Similar function: <a href="dli_spark_last_day.html#dli_spark_last_day">last_day</a>. The <strong id="dli_spark_lastday__en-us_topic_0000001694154517_b20933130151010">last_day</strong> function is used to return the last day of the month a date belongs to. The return value is in the <strong id="dli_spark_lastday__en-us_topic_0000001694154517_b1518112520586">yyyy-mm-dd</strong> format.</p>
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<div class="section" id="dli_spark_lastday__en-us_topic_0000001694154517_section45291954203217"><h4 class="sectiontitle">Syntax</h4><pre class="screen" id="dli_spark_lastday__en-us_topic_0000001694154517_screen374425713247">lastday(string date)</pre>
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</div>
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<div class="section" id="dli_spark_lastday__en-us_topic_0000001694154517_section992014913317"><h4 class="sectiontitle">Parameters</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="dli_spark_lastday__en-us_topic_0000001694154517_table1829154762513" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameter</caption><thead align="left"><tr id="dli_spark_lastday__en-us_topic_0000001694154517_row8830104792517"><th align="left" class="cellrowborder" valign="top" width="19.220000000000002%" id="mcps1.3.4.2.2.5.1.1"><p id="dli_spark_lastday__en-us_topic_0000001694154517_p983074711252">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="13.43%" id="mcps1.3.4.2.2.5.1.2"><p id="dli_spark_lastday__en-us_topic_0000001694154517_p6830124732517">Mandatory</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="20.62%" id="mcps1.3.4.2.2.5.1.3"><p id="dli_spark_lastday__en-us_topic_0000001694154517_p13318164512614">Type</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="46.73%" id="mcps1.3.4.2.2.5.1.4"><p id="dli_spark_lastday__en-us_topic_0000001694154517_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_lastday__en-us_topic_0000001694154517_row15830184792511"><td class="cellrowborder" valign="top" width="19.220000000000002%" headers="mcps1.3.4.2.2.5.1.1 "><p id="dli_spark_lastday__en-us_topic_0000001694154517_p683034714250">date</p>
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</td>
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<td class="cellrowborder" valign="top" width="13.43%" headers="mcps1.3.4.2.2.5.1.2 "><p id="dli_spark_lastday__en-us_topic_0000001694154517_p12830184752518">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="20.62%" headers="mcps1.3.4.2.2.5.1.3 "><p id="dli_spark_lastday__en-us_topic_0000001694154517_p2098843181320">DATE</p>
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<p id="dli_spark_lastday__en-us_topic_0000001694154517_p158591444191319">or</p>
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<p id="dli_spark_lastday__en-us_topic_0000001694154517_p0318545102615">STRING</p>
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</td>
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<td class="cellrowborder" valign="top" width="46.73%" headers="mcps1.3.4.2.2.5.1.4 "><p id="dli_spark_lastday__en-us_topic_0000001694154517_p189251333161511">Date that needs to be processed</p>
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<p id="dli_spark_lastday__en-us_topic_0000001694154517_p262017013166">The following formats are supported:</p>
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<ul id="dli_spark_lastday__en-us_topic_0000001694154517_ul18403171617"><li id="dli_spark_lastday__en-us_topic_0000001694154517_li20849331611">yyyy-mm-dd</li><li id="dli_spark_lastday__en-us_topic_0000001694154517_li9841137169">yyyy-mm-dd hh:mi:ss</li><li id="dli_spark_lastday__en-us_topic_0000001694154517_li784203121614">yyyy-mm-dd hh:mi:ss.ff3</li></ul>
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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_lastday__en-us_topic_0000001694154517_section210162513312"><h4 class="sectiontitle">Return Values</h4><p id="dli_spark_lastday__en-us_topic_0000001694154517_p142095722217">The return value is of the STRING type, in the <strong id="dli_spark_lastday__en-us_topic_0000001694154517_b3516133155916">yyyy-mm-dd hh:mi:ss</strong> format.</p>
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<div class="note" id="dli_spark_lastday__en-us_topic_0000001694154517_note1641625019416"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="dli_spark_lastday__en-us_topic_0000001694154517_ul15767105344111"><li id="dli_spark_lastday__en-us_topic_0000001694154517_li13757925113918">If the value of <strong id="dli_spark_lastday__en-us_topic_0000001694154517_b120035169235750">date</strong> is not of the DATE or STRING type, the error message "data type mismatch" is displayed.</li><li id="dli_spark_lastday__en-us_topic_0000001694154517_li17571125173911">If the value of <strong id="dli_spark_lastday__en-us_topic_0000001694154517_b15628492893581">date</strong> is of the DATE or STRING type but is not in one of the supported formats, <strong id="dli_spark_lastday__en-us_topic_0000001694154517_b5345080213581">NULL</strong> is returned.</li><li id="dli_spark_lastday__en-us_topic_0000001694154517_li171571333625">If the value of <strong id="dli_spark_lastday__en-us_topic_0000001694154517_b157021121435819">date</strong> is <strong id="dli_spark_lastday__en-us_topic_0000001694154517_b3098292835819">NULL</strong>, <strong id="dli_spark_lastday__en-us_topic_0000001694154517_b126699253335819">NULL</strong> is returned.</li></ul>
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</div></div>
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</div>
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<div class="section" id="dli_spark_lastday__en-us_topic_0000001694154517_section13277192233920"><h4 class="sectiontitle">Example Code</h4><p id="dli_spark_lastday__en-us_topic_0000001694154517_p86461495417">The value <strong id="dli_spark_lastday__en-us_topic_0000001694154517_b116266237695733">2023-08-31</strong> is returned.</p>
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<pre class="screen" id="dli_spark_lastday__en-us_topic_0000001694154517_screen12982591747"> select lastday('2023-08-10');</pre>
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<p id="dli_spark_lastday__en-us_topic_0000001694154517_p6762195120414">The value <strong id="dli_spark_lastday__en-us_topic_0000001694154517_b11817134115598">2023-08-31 00:00:00</strong> is returned.</p>
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<pre class="screen" id="dli_spark_lastday__en-us_topic_0000001694154517_screen16185659519"> select lastday ('2023-08-10 10:54:00');</pre>
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<p id="dli_spark_lastday__en-us_topic_0000001694154517_p8706135312417">The value <strong id="dli_spark_lastday__en-us_topic_0000001694154517_b5417165411598">NULL</strong> is returned.</p>
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<pre class="screen" id="dli_spark_lastday__en-us_topic_0000001694154517_screen124054151355"> select lastday (null);</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_0471.html">Date Functions</a></div>
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</div>
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</div>
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