function.sqlite-busy-timeout.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Set busy timeout duration, or disable busy handlers</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.sqlite-array-query.html">sqlite_array_query</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.sqlite-changes.html">sqlite_changes</a></div> <div class="up"><a href="ref.sqlite.html">SQLite Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.sqlite-busy-timeout" class="refentry"> <div class="refnamediv"> <h1 class="refname">sqlite_busy_timeout</h1> <h1 class="refname">SQLiteDatabase->busyTimeout</h1> <p class="verinfo">(PHP 5, PECL sqlite:1.0-1.0.3)</p><p class="refpurpose"><span class="refname">sqlite_busy_timeout</span> -- <span class="refname">SQLiteDatabase->busyTimeout</span> — <span class="dc-title">Set busy timeout duration, or disable busy handlers</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type"><span class="type void">void</span></span> <span class="methodname"><b><b>sqlite_busy_timeout</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$dbhandle</tt></span> , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$milliseconds</tt></span> )</div> <p class="para rdfs-comment">Object oriented style (method):</p> <div class="classsynopsis"> <div class="ooclass"><b class="classname">SQLiteDatabase</b></div> <div class="methodsynopsis dc-description"> <span class="type">void</span> <span class="methodname"><b><b>busyTimeout</b></b></span> ( <span class="methodparam"><span class="type">int</span> <tt class="parameter">$milliseconds</tt></span> )</div> </div> <p class="para"> Set the maximum time, in milliseconds, that SQLite will wait for a <i><tt class="parameter">dbhandle</tt></i> to become ready for use. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">dbhandle</tt></i></span> <dd> <p class="para"> The SQLite Database resource; returned from <a href="function.sqlite-open.html" class="function">sqlite_open()</a> when used procedurally. This parameter is not required when using the object-oriented method. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">milliseconds</tt></i></span> <dd> <p class="para"> The number of milliseconds. When set to <i>0</i>, busy handlers will be disabled and SQLite will return immediately with a <i>SQLITE_BUSY</i> status code if another process/thread has the database locked for an update. </p> <p class="para"> PHP sets the default busy timeout to be 60 seconds when the database is opened. </p> <blockquote><p><b class="note">Note</b>: There are one thousand (1000) milliseconds in one second. <br /> </p></blockquote> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> No value is returned. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Procedural style</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$dbhandle </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlite_open</span><span style="color: #007700">(</span><span style="color: #DD0000">'sqlitedb'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">sqlite_busy_timeout</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbhandle</span><span style="color: #007700">, </span><span style="color: #0000BB">10000</span><span style="color: #007700">); </span><span style="color: #FF8000">// set timeout to 10 seconds<br /></span><span style="color: #0000BB">sqlite_busy_timeout</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbhandle</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">); </span><span style="color: #FF8000">// disable busy handler<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> <p class="para"> <div class="example"> <p><b>Example #2 Object oriented style</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$dbhandle </span><span style="color: #007700">= new </span><span style="color: #0000BB">SQLiteDatabase</span><span style="color: #007700">(</span><span style="color: #DD0000">'sqlitedb'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$dbhandle</span><span style="color: #007700">-></span><span style="color: #0000BB">busyTimeout</span><span style="color: #007700">(</span><span style="color: #0000BB">10000</span><span style="color: #007700">); </span><span style="color: #FF8000">// 10 seconds<br /></span><span style="color: #0000BB">$dbhandle</span><span style="color: #007700">-></span><span style="color: #0000BB">busyTimeout</span><span style="color: #007700">(</span><span style="color: #0000BB">0</span><span style="color: #007700">); </span><span style="color: #FF8000">// disable<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.sqlite-open.html" class="function" rel="rdfs-seeAlso">sqlite_open()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.sqlite-array-query.html">sqlite_array_query</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.sqlite-changes.html">sqlite_changes</a></div> <div class="up"><a href="ref.sqlite.html">SQLite Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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