📄 function.db2-next-result.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Requests the next result set from a stored procedure</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.db2-lob-read.html">db2_lob_read</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.db2-num-fields.html">db2_num_fields</a></div> <div class="up"><a href="ref.ibm-db2.html">IBM DB2 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.db2-next-result" class="refentry"> <div class="refnamediv"> <h1 class="refname">db2_next_result</h1> <p class="verinfo">(PECL ibm_db2:1.0-1.6.2)</p><p class="refpurpose"><span class="refname">db2_next_result</span> — <span class="dc-title"> Requests the next result set from a stored procedure </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">resource</span> <span class="methodname"><b><b>db2_next_result</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$stmt</tt></span> )</div> <p class="para rdfs-comment"> A stored procedure can return zero or more result sets. While you handle the first result set in exactly the same way you would handle the results returned by a simple SELECT statement, to fetch the second and subsequent result sets from a stored procedure you must call the <b>db2_next_result()</b> function and return the result to a uniquely named PHP variable. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">stmt</tt></i></span> <dd> <p class="para"> A prepared statement returned from <a href="function.db2-exec.html" class="function">db2_exec()</a> or <a href="function.db2-execute.html" class="function">db2_execute()</a>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns a new statement resource containing the next result set if the stored procedure returned another result set. Returns <b><tt>FALSE</tt></b> if the stored procedure did not return another result set. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Calling a stored procedure that returns multiple result sets</b></p> <div class="example-contents"><p> In the following example, we call a stored procedure that returns three result sets. The first result set is fetched directly from the same statement resource on which we invoked the CALL statement, while the second and third result sets are fetched from statement resources returned from our calls to the <b>db2_next_result()</b> function. </p></div> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$database</span><span style="color: #007700">, </span><span style="color: #0000BB">$user</span><span style="color: #007700">, </span><span style="color: #0000BB">$password</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">$conn</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">$stmt </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_exec</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">'CALL multiResults()'</span><span style="color: #007700">);<br /><br /> print </span><span style="color: #DD0000">"Fetching first result set\n"</span><span style="color: #007700">;<br /> while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">);<br /> }<br /><br /> print </span><span style="color: #DD0000">"\nFetching second result set\n"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$res </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_next_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /> if (</span><span style="color: #0000BB">$res</span><span style="color: #007700">) {<br /> while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$res</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">);<br /> }<br /> }<br /><br /> print </span><span style="color: #DD0000">"\nFetching third result set\n"</span><span style="color: #007700">;<br /> </span><span style="color: #0000BB">$res2 </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_next_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$stmt</span><span style="color: #007700">);<br /> if (</span><span style="color: #0000BB">$res2</span><span style="color: #007700">) {<br /> while (</span><span style="color: #0000BB">$row </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_fetch_array</span><span style="color: #007700">(</span><span style="color: #0000BB">$res2</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">);<br /> }<br /> }<br /><br /> </span><span style="color: #0000BB">db2_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>Fetching first result setarray(2) { [0]=> string(16) "Bubbles " [1]=> int(3)}array(2) { [0]=> string(16) "Gizmo " [1]=> int(4)}Fetching second result setarray(4) { [0]=> string(16) "Sweater " [1]=> int(6) [2]=> string(5) "llama" [3]=> string(6) "150.00"}array(4) { [0]=> string(16) "Smarty " [1]=> int(2) [2]=> string(5) "horse" [3]=> string(6) "350.00"}Fetching third result setarray(1) { [0]=> string(16) "Bubbles "}array(1) { [0]=> string(16) "Gizmo "}</pre></div> </pre></div> </div> </p> </div> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.db2-lob-read.html">db2_lob_read</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.db2-num-fields.html">db2_num_fields</a></div> <div class="up"><a href="ref.ibm-db2.html">IBM DB2 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -