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<h2><span class="refentrytitle"><a name="rasqal-section-query-results.top_of_page"></a>Query Results</span></h2>
<p>Query Results — Query results as variable bindings, boolean or RDF graphs.</p>
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<div class="refsynopsisdiv">
<a name="rasqal-section-query-results.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">typedef <a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results">rasqal_query_results</a>;
<span class="returnvalue">void</span> <a class="link" href="rasqal-section-query-results.html#rasqal-free-query-results" title="rasqal_free_query_results ()">rasqal_free_query_results</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-add-row" title="rasqal_query_results_add_row ()">rasqal_query_results_add_row</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>,
<em class="parameter"><code><a class="link" href="rasqal-section-row.html#rasqal-row" title="rasqal_row"><span class="type">rasqal_row</span></a> *row</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-finished" title="rasqal_query_results_finished ()">rasqal_query_results_finished</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
const unsigned <span class="returnvalue">char</span> * <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-get-binding-name" title="rasqal_query_results_get_binding_name ()">rasqal_query_results_get_binding_name</a>
(<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>,
<em class="parameter"><code><span class="type">int</span> offset</code></em>);
<a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="returnvalue">rasqal_literal</span></a> * <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-get-binding-value" title="rasqal_query_results_get_binding_value ()">rasqal_query_results_get_binding_value</a>
(<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>,
<em class="parameter"><code><span class="type">int</span> offset</code></em>);
<a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="returnvalue">rasqal_literal</span></a> * <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-get-binding-value-by-name" title="rasqal_query_results_get_binding_value_by_name ()">rasqal_query_results_get_binding_value_by_name</a>
(<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-get-bindings" title="rasqal_query_results_get_bindings ()">rasqal_query_results_get_bindings</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>,
<em class="parameter"><code>const unsigned <span class="type">char</span> ***names</code></em>,
<em class="parameter"><code><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> ***values</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-get-bindings-count" title="rasqal_query_results_get_bindings_count ()">rasqal_query_results_get_bindings_count</a>
(<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-get-boolean" title="rasqal_query_results_get_boolean ()">rasqal_query_results_get_boolean</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-get-count" title="rasqal_query_results_get_count ()">rasqal_query_results_get_count</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
<a class="link" href="rasqal-section-query.html#rasqal-query" title="rasqal_query"><span class="returnvalue">rasqal_query</span></a> * <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-get-query" title="rasqal_query_results_get_query ()">rasqal_query_results_get_query</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
<span class="returnvalue">raptor_statement</span> * <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-get-triple" title="rasqal_query_results_get_triple ()">rasqal_query_results_get_triple</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
<a class="link" href="rasqal-section-row.html#rasqal-row" title="rasqal_row"><span class="returnvalue">rasqal_row</span></a> * <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-get-row-by-offset" title="rasqal_query_results_get_row_by_offset ()">rasqal_query_results_get_row_by_offset</a>
(<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>,
<em class="parameter"><code><span class="type">int</span> result_offset</code></em>);
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results-type" title="enum rasqal_query_results_type"><span class="returnvalue">rasqal_query_results_type</span></a> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-get-type" title="rasqal_query_results_get_type ()">rasqal_query_results_get_type</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-is-bindings" title="rasqal_query_results_is_bindings ()">rasqal_query_results_is_bindings</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-is-boolean" title="rasqal_query_results_is_boolean ()">rasqal_query_results_is_boolean</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-is-graph" title="rasqal_query_results_is_graph ()">rasqal_query_results_is_graph</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-is-syntax" title="rasqal_query_results_is_syntax ()">rasqal_query_results_is_syntax</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-next" title="rasqal_query_results_next ()">rasqal_query_results_next</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-next-triple" title="rasqal_query_results_next_triple ()">rasqal_query_results_next_triple</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-read" title="rasqal_query_results_read ()">rasqal_query_results_read</a> (<em class="parameter"><code><span class="type">raptor_iostream</span> *iostr</code></em>,
<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *results</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *name</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *mime_type</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> *format_uri</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> *base_uri</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-write" title="rasqal_query_results_write ()">rasqal_query_results_write</a> (<em class="parameter"><code><span class="type">raptor_iostream</span> *iostr</code></em>,
<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *results</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *name</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *mime_type</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> *format_uri</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> *base_uri</code></em>);
enum <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-type" title="enum rasqal_query_results_type">rasqal_query_results_type</a>;
const <span class="returnvalue">char</span> * <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-type-label" title="rasqal_query_results_type_label ()">rasqal_query_results_type_label</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results-type" title="enum rasqal_query_results_type"><span class="type">rasqal_query_results_type</span></a> type</code></em>);
<span class="returnvalue">int</span> <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-rewind" title="rasqal_query_results_rewind ()">rasqal_query_results_rewind</a> (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="rasqal-section-query-results.description"></a><h2>Description</h2>
<p>
A query results object is only ever constructed by the internal
query engine evaluating a <a class="link" href="rasqal-section-query.html#rasqal-query" title="rasqal_query"><span class="type">rasqal_query</span></a> with <a class="link" href="rasqal-section-query.html#rasqal-query-execute" title="rasqal_query_execute ()"><code class="function">rasqal_query_execute()</code></a>.
It provides interface to the multiple types of result supported.
</p>
<p>
There are a large set of methods for returning all or parts of a
variable binding query result including the names, values or
individuals. A boolean result is straightforward to get with
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results-get-boolean" title="rasqal_query_results_get_boolean ()"><code class="function">rasqal_query_results_get_boolean()</code></a> and an RDF graph returns a
sequence of raptor triples than can be easily passed to the Raptor
library for serializing to a syntax.
</p>
</div>
<div class="refsect1">
<a name="rasqal-section-query-results.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="rasqal-query-results"></a><h3>rasqal_query_results</h3>
<pre class="programlisting">rasqal_graph_query_results* query_results;
</pre>
<p>
Rasqal query results class.
</p>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-free-query-results"></a><h3>rasqal_free_query_results ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> rasqal_free_query_results (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Destructor - destroy a rasqal_query_results.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> object</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-add-row"></a><h3>rasqal_query_results_add_row ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_add_row (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>,
<em class="parameter"><code><a class="link" href="rasqal-section-row.html#rasqal-row" title="rasqal_row"><span class="type">rasqal_row</span></a> *row</code></em>);</pre>
<p>
Add a query result row to the sequence of result rows
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>query results object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>row</code></em> :</span></p></td>
<td>query result row</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-finished"></a><h3>rasqal_query_results_finished ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_finished (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Find out if binding results are exhausted.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query_results</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 if results are finished or query failed</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-get-binding-name"></a><h3>rasqal_query_results_get_binding_name ()</h3>
<pre class="programlisting">const unsigned <span class="returnvalue">char</span> * rasqal_query_results_get_binding_name
(<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>,
<em class="parameter"><code><span class="type">int</span> offset</code></em>);</pre>
<p>
Get binding name for the current result.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query_results</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>offset of binding name into array of known names</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a pointer to a shared copy of the binding name or NULL on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-get-binding-value"></a><h3>rasqal_query_results_get_binding_value ()</h3>
<pre class="programlisting"><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="returnvalue">rasqal_literal</span></a> * rasqal_query_results_get_binding_value
(<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>,
<em class="parameter"><code><span class="type">int</span> offset</code></em>);</pre>
<p>
Get one binding value for the current result.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query_results</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>offset of binding name into array of known names</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a pointer to a shared <a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> binding value or NULL on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-get-binding-value-by-name"></a><h3>rasqal_query_results_get_binding_value_by_name ()</h3>
<pre class="programlisting"><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="returnvalue">rasqal_literal</span></a> * rasqal_query_results_get_binding_value_by_name
(<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *name</code></em>);</pre>
<p>
Get one binding value for a given name in the current result.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query_results</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td>
<td>variable name</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a pointer to a shared <a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> binding value or NULL on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-get-bindings"></a><h3>rasqal_query_results_get_bindings ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_get_bindings (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>,
<em class="parameter"><code>const unsigned <span class="type">char</span> ***names</code></em>,
<em class="parameter"><code><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> ***values</code></em>);</pre>
<p>
Get all binding names, values for current result.
</p>
<p>
If names is not NULL, it is set to the address of a shared array
of names of the bindings (an output parameter). These names
are shared and must not be freed by the caller
</p>
<p>
If values is not NULL, it is set to the address of a shared array
of <a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a>* binding values. These values are shaerd
and must not be freed by the caller.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query_results</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>names</code></em> :</span></p></td>
<td>pointer to an array of binding names (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>values</code></em> :</span></p></td>
<td>pointer to an array of binding value <a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 if the assignment failed</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-get-bindings-count"></a><h3>rasqal_query_results_get_bindings_count ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_get_bindings_count
(<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Get the number of bound variables in the result.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query_results</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td><0 if failed or results exhausted</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-get-boolean"></a><h3>rasqal_query_results_get_boolean ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_get_boolean (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Get boolean query result.
</p>
<p>
The return value is only meaningful if this is a boolean
query result - see <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-is-boolean" title="rasqal_query_results_is_boolean ()"><code class="function">rasqal_query_results_is_boolean()</code></a>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query_results</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>boolean query result - >0 is true, 0 is false, <0 on error</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-get-count"></a><h3>rasqal_query_results_get_count ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_get_count (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Get number of bindings so far.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query_results</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>number of bindings found so far or < 0 on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-get-query"></a><h3>rasqal_query_results_get_query ()</h3>
<pre class="programlisting"><a class="link" href="rasqal-section-query.html#rasqal-query" title="rasqal_query"><span class="returnvalue">rasqal_query</span></a> * rasqal_query_results_get_query (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Get thq query associated with this query result
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>shared pointer to query object</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-get-triple"></a><h3>rasqal_query_results_get_triple ()</h3>
<pre class="programlisting"><span class="returnvalue">raptor_statement</span> * rasqal_query_results_get_triple (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Get the current triple in the result.
</p>
<p>
The return value is a shared <span class="type">raptor_statement</span>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query_results</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<span class="type">raptor_statement</span> or NULL if failed or results exhausted</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-get-row-by-offset"></a><h3>rasqal_query_results_get_row_by_offset ()</h3>
<pre class="programlisting"><a class="link" href="rasqal-section-row.html#rasqal-row" title="rasqal_row"><span class="returnvalue">rasqal_row</span></a> * rasqal_query_results_get_row_by_offset
(<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>,
<em class="parameter"><code><span class="type">int</span> result_offset</code></em>);</pre>
<p>
Get stored result row by an offset
</p>
<p>
The result_offset index is 0-indexed into the subset of results
constrained by any query limit and offset.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>query result</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result_offset</code></em> :</span></p></td>
<td>index into result rows</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>row or NULL if <em class="parameter"><code>result_offset</code></em> is out of range</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-get-type"></a><h3>rasqal_query_results_get_type ()</h3>
<pre class="programlisting"><a class="link" href="rasqal-section-query-results.html#rasqal-query-results-type" title="enum rasqal_query_results_type"><span class="returnvalue">rasqal_query_results_type</span></a> rasqal_query_results_get_type (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Get query results type
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 if true</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-is-bindings"></a><h3>rasqal_query_results_is_bindings ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_is_bindings (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Test if rasqal_query_results is variable bindings format.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 if true</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-is-boolean"></a><h3>rasqal_query_results_is_boolean ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_is_boolean (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Test if rasqal_query_results is boolean format.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 if true</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-is-graph"></a><h3>rasqal_query_results_is_graph ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_is_graph (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Test if rasqal_query_results is RDF graph format.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 if true</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-is-syntax"></a><h3>rasqal_query_results_is_syntax ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_is_syntax (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Test if the rasqal_query_results is a syntax.
</p>
<p>
Many of the query results may be formatted as a syntax using the
<span class="type">rasqal_query_formatter</span> class however this function returns true
if a syntax result was specifically requested.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 if true</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-next"></a><h3>rasqal_query_results_next ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_next (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Move to the next result.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query_results</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 if failed or results exhausted</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-next-triple"></a><h3>rasqal_query_results_next_triple ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_next_triple (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Move to the next triple result.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query_results</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 if failed or results exhausted</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-read"></a><h3>rasqal_query_results_read ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_read (<em class="parameter"><code><span class="type">raptor_iostream</span> *iostr</code></em>,
<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *results</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *name</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *mime_type</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> *format_uri</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> *base_uri</code></em>);</pre>
<p>
Read the query results from an iostream in a format.
</p>
<p>
This uses the <a class="link" href="rasqal-section-query-results-formatter.html#rasqal-query-results-formatter" title="rasqal_query_results_formatter"><span class="type">rasqal_query_results_formatter</span></a> class
and the <a class="link" href="rasqal-section-query-results-formatter.html#rasqal-query-results-formatter-read" title="rasqal_query_results_formatter_read ()"><code class="function">rasqal_query_results_formatter_read()</code></a> method
to perform the formatting.
</p>
<p>
See <a class="link" href="rasqal-section-general.html#rasqal-world-get-query-results-format-description" title="rasqal_world_get_query_results_format_description ()"><code class="function">rasqal_world_get_query_results_format_description()</code></a> for
obtaining the supported format URIs at run time.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>iostr</code></em> :</span></p></td>
<td>
<span class="type">raptor_iostream</span> to read the query from</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query results format</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td>
<td>format name (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>mime_type</code></em> :</span></p></td>
<td>format mime type (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>format_uri</code></em> :</span></p></td>
<td>
<span class="type">raptor_uri</span> describing the format to read (or NULL for default)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>base_uri</code></em> :</span></p></td>
<td>
<span class="type">raptor_uri</span> base URI of the input format</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-write"></a><h3>rasqal_query_results_write ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_write (<em class="parameter"><code><span class="type">raptor_iostream</span> *iostr</code></em>,
<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *results</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *name</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *mime_type</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> *format_uri</code></em>,
<em class="parameter"><code><span class="type">raptor_uri</span> *base_uri</code></em>);</pre>
<p>
Write the query results to an iostream in a format.
</p>
<p>
This uses the <a class="link" href="rasqal-section-query-results-formatter.html#rasqal-query-results-formatter" title="rasqal_query_results_formatter"><span class="type">rasqal_query_results_formatter</span></a> class and the
<a class="link" href="rasqal-section-query-results-formatter.html#rasqal-query-results-formatter-write" title="rasqal_query_results_formatter_write ()"><code class="function">rasqal_query_results_formatter_write()</code></a> method to perform the
formatting.
</p>
<p>
Note that after calling this method, the query results will be
empty and <a class="link" href="rasqal-section-query-results.html#rasqal-query-results-finished" title="rasqal_query_results_finished ()"><code class="function">rasqal_query_results_finished()</code></a> will return true (non-0)
</p>
<p>
See <a class="link" href="rasqal-section-general.html#rasqal-world-get-query-results-format-description" title="rasqal_world_get_query_results_format_description ()"><code class="function">rasqal_world_get_query_results_format_description()</code></a> for obtaining the
supported format names, mime_types and URIs at run time.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>iostr</code></em> :</span></p></td>
<td>
<span class="type">raptor_iostream</span> to write the query to</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query results format</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td>
<td>format name (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>mime_type</code></em> :</span></p></td>
<td>format mime type (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>format_uri</code></em> :</span></p></td>
<td>
<span class="type">raptor_uri</span> describing the format to write (or NULL for default)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>base_uri</code></em> :</span></p></td>
<td>
<span class="type">raptor_uri</span> base URI of the output format</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-type"></a><h3>enum rasqal_query_results_type</h3>
<pre class="programlisting">typedef enum {
RASQAL_QUERY_RESULTS_BINDINGS,
RASQAL_QUERY_RESULTS_BOOLEAN,
RASQAL_QUERY_RESULTS_GRAPH,
RASQAL_QUERY_RESULTS_SYNTAX,
RASQAL_QUERY_RESULTS_UNKNOWN,
RASQAL_QUERY_RESULTS_LAST = RASQAL_QUERY_RESULTS_UNKNOWN
} rasqal_query_results_type;
</pre>
<p>
Query result type.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="RASQAL-QUERY-RESULTS-BINDINGS:CAPS"></a><span class="term"><code class="literal">RASQAL_QUERY_RESULTS_BINDINGS</code></span></p></td>
<td>variable binding
</td>
</tr>
<tr>
<td><p><a name="RASQAL-QUERY-RESULTS-BOOLEAN:CAPS"></a><span class="term"><code class="literal">RASQAL_QUERY_RESULTS_BOOLEAN</code></span></p></td>
<td>a single boolean
</td>
</tr>
<tr>
<td><p><a name="RASQAL-QUERY-RESULTS-GRAPH:CAPS"></a><span class="term"><code class="literal">RASQAL_QUERY_RESULTS_GRAPH</code></span></p></td>
<td>an RDF graph
</td>
</tr>
<tr>
<td><p><a name="RASQAL-QUERY-RESULTS-SYNTAX:CAPS"></a><span class="term"><code class="literal">RASQAL_QUERY_RESULTS_SYNTAX</code></span></p></td>
<td>a syntax
</td>
</tr>
<tr>
<td><p><a name="RASQAL-QUERY-RESULTS-UNKNOWN:CAPS"></a><span class="term"><code class="literal">RASQAL_QUERY_RESULTS_UNKNOWN</code></span></p></td>
<td>unknown type
</td>
</tr>
<tr>
<td><p><a name="RASQAL-QUERY-RESULTS-LAST:CAPS"></a><span class="term"><code class="literal">RASQAL_QUERY_RESULTS_LAST</code></span></p></td>
<td>internal
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-type-label"></a><h3>rasqal_query_results_type_label ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * rasqal_query_results_type_label (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results-type" title="enum rasqal_query_results_type"><span class="type">rasqal_query_results_type</span></a> type</code></em>);</pre>
<p>
Get a label for a query results type
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>type</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results-type" title="enum rasqal_query_results_type"><span class="type">rasqal_query_results_type</span></a> type</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>label or NULL on failure (invalid type)</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-query-results-rewind"></a><h3>rasqal_query_results_rewind ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_query_results_rewind (<em class="parameter"><code><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> *query_results</code></em>);</pre>
<p>
Rewind stored query results to start
</p>
<p>
This requires <a class="link" href="rasqal-section-query.html#rasqal-query-set-store-results" title="rasqal_query_set_store_results ()"><code class="function">rasqal_query_set_store_results()</code></a> to be called before
query execution.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>query_results</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="type">rasqal_query_results</span></a> query_results</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 if rewinding is not available when results are not stored</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
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