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<h1>22. Virtuoso Functions Guide - __min_notnull</h1>
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<div id="text">
<h2>__min_notnull</h2>
<div class="refpurpose">Returns minimum value among all its arguments, ignoring NULLs entirely.</div>
<div class="funcsynopsis">
<span class="funcdef">any <span class="function">__min_notnull</span>
</span>
(<span class="paramdef">
<span class="parameter">arg1</span> any</span>,
<span class="paramdef">
<span class="parameter">arg2</span> any</span>,
<span class="paramdef">
<span class="parameter">...</span>
</span>,
<span class="paramdef">
<span class="parameter">argN</span> any</span>);
</div>
<div class="refsect1">
<div class="refsect1title">Description</div>
<p>The function returns the minimum value among all values in all its arguments by
ignoring NULLs entirely.</p>
</div>
<div class="refsect1">
<div class="refsect1title">Parameters</div>
<div class="refsect2">
<span class="refsect2title">argI – </span>
Values which can be with type float, integer etc.</div>
</div>
<div class="refsect1">
<div class="refsect1title">Examples</div>
<a name="ex___min_notnull" />
<div class="example">
<div class="exampletitle" />
<p>
<strong>Example 1</strong>
</p>
<div>
<pre class="screen">
SQL> select __min_notnull (null, 1, 0);
__min_notnull
VARCHAR
_______________________________________________________________________________
0
1 Rows. -- 0 msec.
SQL> select __min (null, 1, 0);
__min
VARCHAR
_______________________________________________________________________________
NULL
1 Rows. -- 0 msec.
</pre>
</div>
<p>
<strong>Example 2</strong>
</p>
<div>
<pre class="programlisting">
SQL> SPARQL
INSERT INTO GRAPH <http://mygraph.com>
{
<http://mygraph2.com/pricing/#QVal1> <price1> 1 ; <price3> 5 .
<http://mygraph2.com/pricing/#QVal2> <price2> 1 ; <price3> 4 .
<http://mygraph2.com/pricing/#QVal3> <price1> 6 ; <price2> 2 .
};
Insert into <http://mygraph.com>, 6 (or less) triples -- done
No. of rows in result: 1
SQL> SPARQL SELECT ?s, (bif:__min_notnull (?pr1, ?pr2, ?pr3))
FROM <http://mygraph.com>
WHERE
{
{
SELECT DISTINCT ?s
WHERE
{
?s ?p ?pr .
FILTER (?p in (<price1>, <price2>, <price3>))
}
}
OPTIONAL { ?s <price1> ?pr1 }
OPTIONAL { ?s <price2> ?pr2 }
OPTIONAL { ?s <price3> ?pr3 }
};
Query result:
s callret-1
VARCHAR VARCHAR
_______________________________________________
http://mygraph2.com/pricing/#QVal2 1
http://mygraph2.com/pricing/#QVal1 1
http://mygraph2.com/pricing/#QVal3 2
No. of rows in result: 2
</pre>
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<div class="refsect1">
<div class="refsect1title">See Also</div>
<p>
<a href="fn_nm_max.html">__max</a>
</p>
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<a href="fn_nm_min.html">__min</a>
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<a href="fn_nm_max_notnull.html">__max_notnull</a>
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