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Lu, Huayi e6fa411af0 DWS DEV 830.201 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2024-05-16 07:24:04 +00:00

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<a name="EN-US_TOPIC_0000001445542114"></a><a name="EN-US_TOPIC_0000001445542114"></a>
<h1 class="topictitle1">Range Operators</h1>
<div id="body0000001445542114"><div class="section" id="EN-US_TOPIC_0000001445542114__section137913415303"><h4 class="sectiontitle">=</h4><p id="EN-US_TOPIC_0000001445542114__p11778942307">Description: Equals</p>
<p id="EN-US_TOPIC_0000001445542114__p677817417308">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen1777917433010"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">int4range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">5</span><span class="p">)</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'[1,4]'</span><span class="p">::</span><span class="n">int4range</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section17581212143010"><h4 class="sectiontitle">&lt;&gt;</h4><p id="EN-US_TOPIC_0000001445542114__p177496127301">Description: Does not equal to</p>
<p id="EN-US_TOPIC_0000001445542114__p13749612183018">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen8749181243011"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">numrange</span><span class="p">(</span><span class="mi">1</span><span class="p">.</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">.</span><span class="mi">2</span><span class="p">)</span><span class="w"> </span><span class="o">&lt;&gt;</span><span class="w"> </span><span class="n">numrange</span><span class="p">(</span><span class="mi">1</span><span class="p">.</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">.</span><span class="mi">3</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section5565115163019"><h4 class="sectiontitle">&lt;</h4><p id="EN-US_TOPIC_0000001445542114__p16556141553019">Description: Is less than</p>
<p id="EN-US_TOPIC_0000001445542114__p1855691514301">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen7556515123017"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">int4range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">10</span><span class="p">)</span><span class="w"> </span><span class="o">&lt;</span><span class="w"> </span><span class="n">int4range</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section817752223013"><h4 class="sectiontitle">&gt;</h4><p id="EN-US_TOPIC_0000001445542114__p1017712293017">Description: Is greater than</p>
<p id="EN-US_TOPIC_0000001445542114__p5177182223019">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen517742219306"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">int4range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">10</span><span class="p">)</span><span class="w"> </span><span class="o">&gt;</span><span class="w"> </span><span class="n">int4range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">5</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section457416183301"><h4 class="sectiontitle">&lt;=</h4><p id="EN-US_TOPIC_0000001445542114__p5567718183015">Description: Is less than or equals</p>
<p id="EN-US_TOPIC_0000001445542114__p0567101813012">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen4568101814308"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">numrange</span><span class="p">(</span><span class="mi">1</span><span class="p">.</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">.</span><span class="mi">2</span><span class="p">)</span><span class="w"> </span><span class="o">&lt;=</span><span class="w"> </span><span class="n">numrange</span><span class="p">(</span><span class="mi">1</span><span class="p">.</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">.</span><span class="mi">2</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section1773415254309"><h4 class="sectiontitle">&gt;=</h4><p id="EN-US_TOPIC_0000001445542114__p15724192563010">Description: Is greater than or equals</p>
<p id="EN-US_TOPIC_0000001445542114__p07245254308">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen1172442513014"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">numrange</span><span class="p">(</span><span class="mi">1</span><span class="p">.</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">.</span><span class="mi">2</span><span class="p">)</span><span class="w"> </span><span class="o">&gt;=</span><span class="w"> </span><span class="n">numrange</span><span class="p">(</span><span class="mi">1</span><span class="p">.</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">.</span><span class="mi">0</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section66891728123016"><h4 class="sectiontitle">@&gt;</h4><p id="EN-US_TOPIC_0000001445542114__p186811281302">Description: The object on the left includes the object on the right.</p>
<p id="EN-US_TOPIC_0000001445542114__p96811028133014">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen166826285304"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">int4range</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span><span class="mi">4</span><span class="p">)</span><span class="w"> </span><span class="o">@&gt;</span><span class="w"> </span><span class="n">int4range</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen183558412593"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="s1">'[2011-01-01,2011-03-01)'</span><span class="p">::</span><span class="n">tsrange</span><span class="w"> </span><span class="o">@&gt;</span><span class="w"> </span><span class="s1">'2011-01-10'</span><span class="p">::</span><span class="k">timestamp</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section17515663010"><h4 class="sectiontitle">&lt;@</h4><p id="EN-US_TOPIC_0000001445542114__p10687569308">Description: The object on the right includes the object on the left.</p>
<p id="EN-US_TOPIC_0000001445542114__p1681256163019">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen11681656153010"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">int4range</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span><span class="mi">4</span><span class="p">)</span><span class="w"> </span><span class="o">&lt;@</span><span class="w"> </span><span class="n">int4range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">7</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen174391789016"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="mi">42</span><span class="w"> </span><span class="o">&lt;@</span><span class="w"> </span><span class="n">int4range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">7</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">f</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section290841163111"><h4 class="sectiontitle">&amp;&amp;</h4><p id="EN-US_TOPIC_0000001445542114__p19024111315">Description: Overlap (have points in common)</p>
<p id="EN-US_TOPIC_0000001445542114__p19021413315">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen189031013317"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">3</span><span class="p">,</span><span class="mi">7</span><span class="p">)</span><span class="w"> </span><span class="o">&amp;&amp;</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span><span class="mi">12</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section14949944317"><h4 class="sectiontitle">&lt;&lt;</h4><p id="EN-US_TOPIC_0000001445542114__p79457463118">Description: Strictly left of</p>
<p id="EN-US_TOPIC_0000001445542114__p2094513433110">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen199456433117"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">10</span><span class="p">)</span><span class="w"> </span><span class="o">&lt;&lt;</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">100</span><span class="p">,</span><span class="mi">110</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section1919681010319"><h4 class="sectiontitle">&gt;&gt;</h4><p id="EN-US_TOPIC_0000001445542114__p21915104314">Description: Strictly right of</p>
<p id="EN-US_TOPIC_0000001445542114__p121911310103111">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen6191161083112"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">50</span><span class="p">,</span><span class="mi">60</span><span class="p">)</span><span class="w"> </span><span class="o">&gt;&gt;</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">20</span><span class="p">,</span><span class="mi">30</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section9107161313118"><h4 class="sectiontitle">&amp;&lt;</h4><p id="EN-US_TOPIC_0000001445542114__p10104131383116">Description: Does not extend to the right of</p>
<p id="EN-US_TOPIC_0000001445542114__p910421353117">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen10105151311318"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">20</span><span class="p">)</span><span class="w"> </span><span class="o">&amp;&lt;</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">18</span><span class="p">,</span><span class="mi">20</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section18736815193117"><h4 class="sectiontitle">&amp;&gt;</h4><p id="EN-US_TOPIC_0000001445542114__p573313157319">Description: Does not extend to the left of</p>
<p id="EN-US_TOPIC_0000001445542114__p16734161593115">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen11734815103117"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">7</span><span class="p">,</span><span class="mi">20</span><span class="p">)</span><span class="w"> </span><span class="o">&amp;&gt;</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span><span class="mi">10</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section7402181815317"><h4 class="sectiontitle">-|-</h4><p id="EN-US_TOPIC_0000001445542114__p040171819317">Description: Is adjacent to</p>
<p id="EN-US_TOPIC_0000001445542114__p14017187312">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen174019181317"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">numrange</span><span class="p">(</span><span class="mi">1</span><span class="p">.</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">.</span><span class="mi">2</span><span class="p">)</span><span class="w"> </span><span class="o">-|-</span><span class="w"> </span><span class="n">numrange</span><span class="p">(</span><span class="mi">2</span><span class="p">.</span><span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">.</span><span class="mi">3</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span>
<span class="c1">--------</span>
<span class="w"> </span><span class="n">t</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section5922174313220"><h4 class="sectiontitle">+</h4><p id="EN-US_TOPIC_0000001445542114__p6919114317323">Description: Union</p>
<p id="EN-US_TOPIC_0000001445542114__p5919743153213">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen199201443133210"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">numrange</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span><span class="mi">15</span><span class="p">)</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">numrange</span><span class="p">(</span><span class="mi">10</span><span class="p">,</span><span class="mi">20</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span><span class="w"> </span>
<span class="c1">--------</span>
<span class="w"> </span><span class="p">[</span><span class="mi">5</span><span class="p">,</span><span class="mi">20</span><span class="p">)</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section98111947173212"><h4 class="sectiontitle">*</h4><p id="EN-US_TOPIC_0000001445542114__p581014716328">Description: Intersection</p>
<p id="EN-US_TOPIC_0000001445542114__p98104478327">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen10810114717328"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span><span class="mi">15</span><span class="p">)</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">10</span><span class="p">,</span><span class="mi">20</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span><span class="w"> </span>
<span class="c1">---------</span>
<span class="w"> </span><span class="p">[</span><span class="mi">10</span><span class="p">,</span><span class="mi">15</span><span class="p">)</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001445542114__section12578145053220"><h4 class="sectiontitle">-</h4><p id="EN-US_TOPIC_0000001445542114__p6577195073212">Description: Difference</p>
<p id="EN-US_TOPIC_0000001445542114__p0577145013329">Example:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001445542114__screen1757865015328"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span><span class="mi">15</span><span class="p">)</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="n">int8range</span><span class="p">(</span><span class="mi">10</span><span class="p">,</span><span class="mi">20</span><span class="p">)</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="k">RESULT</span><span class="p">;</span>
<span class="w"> </span><span class="k">result</span><span class="w"> </span>
<span class="c1">--------</span>
<span class="w"> </span><span class="p">[</span><span class="mi">5</span><span class="p">,</span><span class="mi">10</span><span class="p">)</span>
<span class="p">(</span><span class="mi">1</span><span class="w"> </span><span class="k">row</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="note" id="EN-US_TOPIC_0000001445542114__note11930157113215"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000001445542114__ul86911379331"><li id="EN-US_TOPIC_0000001445542114__li1691037163320">The simple comparison operators <strong id="EN-US_TOPIC_0000001445542114__b10084473899397">&lt;</strong>, <strong id="EN-US_TOPIC_0000001445542114__b13371854339397">&gt;</strong>, <strong id="EN-US_TOPIC_0000001445542114__b13186149139397">&lt;=</strong>, and <strong id="EN-US_TOPIC_0000001445542114__b16127237129397">&gt;=</strong> compare the lower bounds first, and only if those are equal, compare the upper bounds.</li><li id="EN-US_TOPIC_0000001445542114__li14747143810333">The <strong id="EN-US_TOPIC_0000001445542114__b20211808459397">&lt;&lt;</strong>, <strong id="EN-US_TOPIC_0000001445542114__b21416561079397">&gt;&gt;</strong>, and <strong id="EN-US_TOPIC_0000001445542114__b4733815319397">-|-</strong> operators always return false when an empty range is involved; that is, an empty range is not considered to be either before or after any other range.</li><li id="EN-US_TOPIC_0000001445542114__li152782408334">The union and difference operators will fail if the resulting range would need to contain two disjoint sub-ranges.</li></ul>
</div></div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_06_0045.html">Range Functions and Operators</a></div>
</div>
</div>
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