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<li class="nav-item nav-item-this"><a href=""><span class="section-number">7.15.24. </span><code class="docutils literal notranslate"><span class="pre">time_classify_day_of_week</span></code></a></li>
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<div class="section" id="time-classify-day-of-week">
<h1><span class="section-number">7.15.24. </span><code class="docutils literal notranslate"><span class="pre">time_classify_day_of_week</span></code><a class="headerlink" href="#time-classify-day-of-week" title="Permalink to this headline">¶</a></h1>
<div class="section" id="summary">
<h2><span class="section-number">7.15.24.1. </span>Summary<a class="headerlink" href="#summary" title="Permalink to this headline">¶</a></h2>
<div class="versionadded">
<p><span class="versionmodified added">New in version 8.0.5.</span></p>
</div>
<p>It returns the day of the week of the given time as a <code class="docutils literal notranslate"><span class="pre">UInt8</span></code>
value. <code class="docutils literal notranslate"><span class="pre">0</span></code> is Sunday. <code class="docutils literal notranslate"><span class="pre">6</span></code> is Saturday.</p>
<p>To enable this function, register <code class="docutils literal notranslate"><span class="pre">functions/time</span></code> plugin by the
following command:</p>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>plugin_register functions/time
</pre></div>
</div>
</div>
<div class="section" id="syntax">
<span id="time-classify-day-of-the-week-syntax"></span><h2><span class="section-number">7.15.24.2. </span>Syntax<a class="headerlink" href="#syntax" title="Permalink to this headline">¶</a></h2>
<p>This function has only one parameter:</p>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>time_classify_day_of_week(time)
</pre></div>
</div>
</div>
<div class="section" id="usage">
<h2><span class="section-number">7.15.24.3. </span>Usage<a class="headerlink" href="#usage" title="Permalink to this headline">¶</a></h2>
<p>You need to register <code class="docutils literal notranslate"><span class="pre">functions/time</span></code> plugin at first:</p>
<p>Execution example:</p>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>plugin_register functions/time
# [[0, 1337566253.89858, 0.000355720520019531], true]
</pre></div>
</div>
<p>Here is a schema definition and sample data.</p>
<p>Sample schema:</p>
<p>Execution example:</p>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>table_create Memos TABLE_HASH_KEY ShortText
# [[0, 1337566253.89858, 0.000355720520019531], true]
column_create Memos created_at COLUMN_SCALAR Time
# [[0, 1337566253.89858, 0.000355720520019531], true]
</pre></div>
</div>
<p>Sample data:</p>
<p>Execution example:</p>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>load --table Memos
[
{"_key": "Sunday", "created_at": "2018-07-01 00:00:00"},
{"_key": "Monday", "created_at": "2018-07-02 00:00:00"},
{"_key": "Tuesday", "created_at": "2018-07-03 00:00:00"},
{"_key": "Wednesday", "created_at": "2018-07-04 00:00:00"},
{"_key": "Thursday", "created_at": "2018-07-05 00:00:00"},
{"_key": "Friday", "created_at": "2018-07-06 00:00:00"},
{"_key": "Saturday", "created_at": "2018-07-07 00:00:00"}
]
# [[0, 1337566253.89858, 0.000355720520019531], 7]
</pre></div>
</div>
<p>Here is a simple usage of <code class="docutils literal notranslate"><span class="pre">time_classify_day_of_week</span></code>:</p>
<p>Execution example:</p>
<div class="highlight-none notranslate"><div class="highlight"><pre><span></span>select \
--table Memos \
--output_columns '_key, time_classify_day_of_week(created_at)'
# [
# [
# 0,
# 1337566253.89858,
# 0.000355720520019531
# ],
# [
# [
# [
# 7
# ],
# [
# [
# "_key",
# "ShortText"
# ],
# [
# "time_classify_day_of_week",
# null
# ]
# ],
# [
# "Sunday",
# 0
# ],
# [
# "Monday",
# 1
# ],
# [
# "Tuesday",
# 2
# ],
# [
# "Wednesday",
# 3
# ],
# [
# "Thursday",
# 4
# ],
# [
# "Friday",
# 5
# ],
# [
# "Saturday",
# 6
# ]
# ]
# ]
# ]
</pre></div>
</div>
<p>It returns <code class="docutils literal notranslate"><span class="pre">0</span></code> for Sunday, <code class="docutils literal notranslate"><span class="pre">1</span></code> for Monday, … and <code class="docutils literal notranslate"><span class="pre">6</span></code> for
Saturday.</p>
</div>
<div class="section" id="return-value">
<h2><span class="section-number">7.15.24.4. </span>Return value<a class="headerlink" href="#return-value" title="Permalink to this headline">¶</a></h2>
<p>The day of the week as <code class="docutils literal notranslate"><span class="pre">UInt8</span></code>. Here are available values:</p>
<table class="docutils align-default">
<colgroup>
<col style="width: 50%" />
<col style="width: 50%" />
</colgroup>
<thead>
<tr class="row-odd"><th class="head"><p>Value</p></th>
<th class="head"><p>The day of the week</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">0</span></code></p></td>
<td><p>Sunday</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">1</span></code></p></td>
<td><p>Monday</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">2</span></code></p></td>
<td><p>Tuesday</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">3</span></code></p></td>
<td><p>Wednesday</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">4</span></code></p></td>
<td><p>Thursday</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">5</span></code></p></td>
<td><p>Friday</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">6</span></code></p></td>
<td><p>Saturday</p></td>
</tr>
</tbody>
</table>
</div>
</div>
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<h3><a href="../../index.html">Table of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#">7.15.24. <code class="docutils literal notranslate"><span class="pre">time_classify_day_of_week</span></code></a><ul>
<li><a class="reference internal" href="#summary">7.15.24.1. Summary</a></li>
<li><a class="reference internal" href="#syntax">7.15.24.2. Syntax</a></li>
<li><a class="reference internal" href="#usage">7.15.24.3. Usage</a></li>
<li><a class="reference internal" href="#return-value">7.15.24.4. Return value</a></li>
</ul>
</li>
</ul>
<h4>Previous topic</h4>
<p class="topless"><a href="time_classify_day.html"
title="previous chapter"><span class="section-number">7.15.23. </span><code class="docutils literal notranslate"><span class="pre">time_classify_day</span></code></a></p>
<h4>Next topic</h4>
<p class="topless"><a href="time_classify_hour.html"
title="next chapter"><span class="section-number">7.15.25. </span><code class="docutils literal notranslate"><span class="pre">time_classify_hour</span></code></a></p>
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