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<a href="#rasqal-section-row.description" class="shortcut">Description</a>
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<h2><span class="refentrytitle"><a name="rasqal-section-row.top_of_page"></a>Query Result Row</span></h2>
<p>Query Result Row — Result row in a query result set containing a set of literals that are bound to variables.</p>
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<a name="rasqal-section-row.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">typedef <a class="link" href="rasqal-section-row.html#rasqal-row" title="rasqal_row">rasqal_row</a>;
<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-row.html#rasqal-new-row-for-size" title="rasqal_new_row_for_size ()">rasqal_new_row_for_size</a> (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">int</span> size</code></em>);
<span class="returnvalue">void</span> <a class="link" href="rasqal-section-row.html#rasqal-free-row" title="rasqal_free_row ()">rasqal_free_row</a> (<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-row.html#rasqal-row-set-value-at" title="rasqal_row_set_value_at ()">rasqal_row_set_value_at</a> (<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>,
<em class="parameter"><code><span class="type">int</span> offset</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> *value</code></em>);
<a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="returnvalue">rasqal_query_results</span></a> * <a class="link" href="rasqal-section-row.html#rasqal-new-query-results" title="rasqal_new_query_results ()">rasqal_new_query_results</a> (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><a class="link" href="rasqal-section-query.html#rasqal-query" title="rasqal_query"><span class="type">rasqal_query</span></a> *query</code></em>,
<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>,
<em class="parameter"><code><a class="link" href="rasqal-section-variables-table.html#rasqal-variables-table" title="rasqal_variables_table"><span class="type">rasqal_variables_table</span></a> *vars_table</code></em>);
</pre>
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<div class="refsect1">
<a name="rasqal-section-row.description"></a><h2>Description</h2>
<p>
An ordered row of <a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> values that are each bound to
<a class="link" href="rasqal-section-variable.html#rasqal-variable" title="rasqal_variable"><span class="type">rasqal_variable</span></a> defined in an associated <a href="rasqal-section-variable.html#rasqal-variable"><span class="type">rasqal_variables</span></a> table inside
a <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 result set.
</p>
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<div class="refsect1">
<a name="rasqal-section-row.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="rasqal-row"></a><h3>rasqal_row</h3>
<pre class="programlisting">typedef struct rasqal_row_s rasqal_row;
</pre>
<p>
Rasqal Result Row class.
</p>
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<div class="refsect2">
<a name="rasqal-new-row-for-size"></a><h3>rasqal_new_row_for_size ()</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_new_row_for_size (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><span class="type">int</span> size</code></em>);</pre>
<p>
Constructor - Create a new query result row of a given size
</p>
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<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>rasqal_world</td>
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<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>width of row</td>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new query result row or NULL on failure</td>
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<div class="refsect2">
<a name="rasqal-free-row"></a><h3>rasqal_free_row ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> rasqal_free_row (<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>
Destructor - Free a query result row object.
</p>
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<td><p><span class="term"><em class="parameter"><code>row</code></em> :</span></p></td>
<td>query result row</td>
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<div class="refsect2">
<a name="rasqal-row-set-value-at"></a><h3>rasqal_row_set_value_at ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span> rasqal_row_set_value_at (<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>,
<em class="parameter"><code><span class="type">int</span> offset</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> *value</code></em>);</pre>
<p>
Set the value of a variable in a query result row
</p>
<p>
Any existing row value is freed and the literal <em class="parameter"><code>value</code></em> passed in
is copied.
</p>
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<td><p><span class="term"><em class="parameter"><code>row</code></em> :</span></p></td>
<td>query result row</td>
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<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>offset into row (column number)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em> :</span></p></td>
<td>literal value to set</td>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 on failure</td>
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<hr>
<div class="refsect2">
<a name="rasqal-new-query-results"></a><h3>rasqal_new_query_results ()</h3>
<pre class="programlisting"><a class="link" href="rasqal-section-query-results.html#rasqal-query-results" title="rasqal_query_results"><span class="returnvalue">rasqal_query_results</span></a> * rasqal_new_query_results (<em class="parameter"><code><a class="link" href="rasqal-section-general.html#rasqal-world" title="rasqal_world"><span class="type">rasqal_world</span></a> *world</code></em>,
<em class="parameter"><code><a class="link" href="rasqal-section-query.html#rasqal-query" title="rasqal_query"><span class="type">rasqal_query</span></a> *query</code></em>,
<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>,
<em class="parameter"><code><a class="link" href="rasqal-section-variables-table.html#rasqal-variables-table" title="rasqal_variables_table"><span class="type">rasqal_variables_table</span></a> *vars_table</code></em>);</pre>
<p>
Create a new query results set
</p>
<p>
The <em class="parameter"><code>query</code></em> may be NULL for result set objects that are standalone
and not attached to any particular query
</p>
<div class="variablelist"><table border="0">
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<td><p><span class="term"><em class="parameter"><code>world</code></em> :</span></p></td>
<td>rasqal world object</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>query</code></em> :</span></p></td>
<td>query object (or NULL)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>type</code></em> :</span></p></td>
<td>query results (expected) type</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>vars_table</code></em> :</span></p></td>
<td>variables table</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new query result object or NULL on failure</td>
</tr>
</tbody>
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