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<title>Perform a query without fetching the results into memory</title>
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<h1 class="refname">cubrid_unbuffered_query</h1>
<p class="verinfo">(PECL CUBRID >= 8.3.0)</p><p class="refpurpose"><span class="refname">cubrid_unbuffered_query</span> — <span class="dc-title">Perform a query without fetching the results into memory</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.cubrid-unbuffered-query-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">resource</span> <span class="methodname"><strong>cubrid_unbuffered_query</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$query</code></span>
[, <span class="methodparam"><span class="type">resource</span> <code class="parameter">$conn_identifier</code></span>
] )</div>
<p class="para rdfs-comment">
This function performs a query without waiting for that all query results have been complete. It will return
when the results are being generated.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.cubrid-unbuffered-query-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">query</code></em></span>
<dd>
<p class="para">A SQL query.</p></dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">conn_identifier</code></em></span>
<dd>
<p class="para">The CUBRID connection. If the connection identifier is not specified, the last connection opened by <span class="function"><a href="function.cubrid-connect.html" class="function">cubrid_connect()</a></span> is assumed.</p></dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.cubrid-unbuffered-query-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
For SELECT, SHOW, DESCRIBE or EXPLAIN statements returns a request identifier resource on success.
</p>
<p class="para">
For other type of SQL statements, UPDATE, DELETE, DROP, etc, returns <strong><code>TRUE</code></strong> on success.
</p>
<p class="para">
<strong><code>FALSE</code></strong> on failure.
</p>
</div>
<div class="refsect1 notes" id="refsect1-function.cubrid-unbuffered-query-notes">
<h3 class="title">Notes</h3>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
The benefits of <span class="function"><strong>cubrid_unbuffered_query()</strong></span> come
at a cost: you cannot use <span class="function"><a href="function.cubrid-num-rows.html" class="function">cubrid_num_rows()</a></span> and
<span class="function"><a href="function.cubrid-data-seek.html" class="function">cubrid_data_seek()</a></span> on a result set returned from
<span class="function"><strong>cubrid_unbuffered_query()</strong></span>.
</p>
</p></blockquote>
</div>
<div class="refsect1 examples" id="refsect1-function.cubrid-unbuffered-query-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-1089">
<p><strong>Example #1 <span class="function"><strong>cubrid_unbuffered_query()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /> $link </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #0000BB">30000</span><span style="color: #007700">, </span><span style="color: #DD0000">"demodb"</span><span style="color: #007700">, </span><span style="color: #DD0000">"dba"</span><span style="color: #007700">, </span><span style="color: #DD0000">""</span><span style="color: #007700">);<br /> if (!</span><span style="color: #0000BB">$link</span><span style="color: #007700">)<br /> {<br /> die(</span><span style="color: #DD0000">'Could not connect.'</span><span style="color: #007700">);<br /> }<br /> </span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #DD0000">"select * from code"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_unbuffered_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$query</span><span style="color: #007700">, </span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /><br /> while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_fetch</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">))<br /> {<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">);<br /> }<br /><br /> </span><span style="color: #0000BB">cubrid_close_request</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br /> </span><span style="color: #0000BB">cubrid_disconnect</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
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