mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-06-17 21:16:57 +08:00
125 lines
8.3 KiB
HTML
125 lines
8.3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
|
<html>
|
|
<head>
|
|
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
|
|
<title>Set a read lock on the given OID</title>
|
|
</head>
|
|
<body class="docs"><div id="layout">
|
|
<div id="layout-content"><div id="function.cubrid-lock-read" class="refentry">
|
|
<div class="refnamediv">
|
|
<h1 class="refname">cubrid_lock_read</h1>
|
|
<p class="verinfo">(PECL CUBRID >= 8.3.0)</p><p class="refpurpose"><span class="refname">cubrid_lock_read</span> — <span class="dc-title">Set a read lock on the given OID</span></p>
|
|
|
|
</div>
|
|
|
|
<div class="refsect1 description" id="refsect1-function.cubrid-lock-read-description">
|
|
<h3 class="title">说明</h3>
|
|
<div class="methodsynopsis dc-description">
|
|
<span class="methodname"><strong>cubrid_lock_read</strong></span>
|
|
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$conn_identifier</code></span>
|
|
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$oid</code></span>
|
|
) : <span class="type">bool</span></div>
|
|
|
|
<p class="para rdfs-comment">
|
|
The <span class="function"><strong>cubrid_lock_read()</strong></span> function is used to put read
|
|
lock on the instance pointed by given <code class="parameter">oid</code>.
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 parameters" id="refsect1-function.cubrid-lock-read-parameters">
|
|
<h3 class="title">参数</h3>
|
|
<p class="para">
|
|
<dl>
|
|
|
|
|
|
<dt>
|
|
<code class="parameter">conn_identifier</code></dt>
|
|
|
|
<dd>
|
|
<p class="para">Connection identifier.</p></dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<code class="parameter">oid</code></dt>
|
|
|
|
<dd>
|
|
<p class="para">OID of the instance that you want to put read lock on.</p></dd>
|
|
|
|
|
|
</dl>
|
|
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 returnvalues" id="refsect1-function.cubrid-lock-read-returnvalues">
|
|
<h3 class="title">返回值</h3>
|
|
<p class="para">
|
|
<strong><code>TRUE</code></strong>, when process is successful.
|
|
</p>
|
|
<p class="para">
|
|
<strong><code>FALSE</code></strong>, when process is unsuccessful.
|
|
</p>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 examples" id="refsect1-function.cubrid-lock-read-examples">
|
|
<h3 class="title">范例</h3>
|
|
<div class="example" id="example-1133">
|
|
<p><strong>Example #1 <span class="function"><strong>cubrid_lock_read()</strong></span> example</strong></p>
|
|
<div class="example-contents">
|
|
<div class="phpcode"><pre><span style="color: #000000">
|
|
<span style="color: #0000BB"><?php<br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">, </span><span style="color: #0000BB">33000</span><span style="color: #007700">, </span><span style="color: #DD0000">"demodb"</span><span style="color: #007700">, </span><span style="color: #DD0000">"dba"</span><span style="color: #007700">);<br /><br />@</span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"DROP TABLE foo"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"CREATE TABLE foo(a int AUTO_INCREMENT, b set(int), c list(int), d char(10))"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"INSERT INTO foo(a, b, c, d) VALUES(1, {1,2,3}, {11,22,33,333}, 'a')"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"INSERT INTO foo(a, b, c, d) VALUES(2, {4,5,7}, {44,55,66,666}, 'b')"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$req </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"SELECT * FROM foo"</span><span style="color: #007700">, </span><span style="color: #0000BB">CUBRID_INCLUDE_OID</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">cubrid_move_cursor</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">CUBRID_CURSOR_FIRST</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$oid </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_current_oid</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">cubrid_lock_read</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$oid</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$attr </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$oid</span><span style="color: #007700">, </span><span style="color: #DD0000">"b"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$attr</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$attr </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_get</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$oid</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$attr</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">cubrid_close_request</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_disconnect</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
|
|
</span>
|
|
</pre></div>
|
|
</div>
|
|
|
|
<div class="example-contents"><p>以上例程会输出：</p></div>
|
|
<div class="example-contents screen">
|
|
<div class="cdata"><pre>
|
|
string(9) "{1, 2, 3}"
|
|
array(4) {
|
|
["a"]=>
|
|
string(1) "1"
|
|
["b"]=>
|
|
array(3) {
|
|
[0]=>
|
|
string(1) "1"
|
|
[1]=>
|
|
string(1) "2"
|
|
[2]=>
|
|
string(1) "3"
|
|
}
|
|
["c"]=>
|
|
array(4) {
|
|
[0]=>
|
|
string(2) "11"
|
|
[1]=>
|
|
string(2) "22"
|
|
[2]=>
|
|
string(2) "33"
|
|
[3]=>
|
|
string(3) "333"
|
|
}
|
|
["d"]=>
|
|
string(10) "a "
|
|
}
|
|
</pre></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
|
|
<div class="refsect1 seealso" id="refsect1-function.cubrid-lock-read-seealso">
|
|
<h3 class="title">参见</h3>
|
|
<p class="para">
|
|
<ul class="simplelist">
|
|
<li class="member"><span class="function"><a href="cubrid_lock_write.html" class="function" rel="rdfs-seeAlso">cubrid_lock_write()</a> - Set a write lock on the given OID</span></li>
|
|
</ul>
|
|
</p>
|
|
</div>
|
|
|
|
|
|
</div></div></div></body></html> |