mentat/docs/apis/rust/mentat_ffi/fn.query_builder_execute_tuple.html

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2018-06-21 14:44:35 +00:00
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<section id='main' class="content"><h1 class='fqn'><span class='in-band'>Function <a href='index.html'>mentat_ffi</a>::<wbr><a class="fn" href=''>query_builder_execute_tuple</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../src/mentat_ffi/lib.rs.html#1313-1322' title='goto source code'>[src]</a></span></h1><pre class='rust fn'><div class="docblock attributes">#[no_mangle]
2018-06-21 14:44:35 +00:00
</div>pub unsafe extern &quot;C&quot; fn query_builder_execute_tuple(<br>&nbsp;&nbsp;&nbsp;&nbsp;query_builder: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="struct" href="../mentat_ffi/struct.QueryBuilder.html" title="struct mentat_ffi::QueryBuilder">QueryBuilder</a><br>) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="struct" href="../mentat_ffi/struct.ExternResult.html" title="struct mentat_ffi::ExternResult">ExternResult</a></pre><div class='docblock'><p>Executes a query and returns the results as a <a href="mentat::QueryResults::Tuple">Tuple</a>.</p>
<h1 id="panics" class="section-header"><a href="#panics">Panics</a></h1>
<p>If the find set of the query executed is not structured <code>[:find [?foo ?bar] :where ...]</code>.</p>
<h1 id="safety" class="section-header"><a href="#safety">Safety</a></h1>
<p>Callers are responsible for managing the memory for the return value.
A destructor <code>destroy</code> is provided for releasing the memory for this
pointer type.</p>
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