function.sqlite-exec.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>Executes a result-less query against a given database</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-escape-string.html">sqlite_escape_string</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.sqlite-factory.html">sqlite_factory</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-exec" class="refentry"> <div class="refnamediv"> <h1 class="refname">sqlite_exec</h1> <h1 class="refname">SQLiteDatabase->exec</h1> <p class="verinfo">(PHP 5, PECL sqlite:1.0.3)</p><p class="refpurpose"><span class="refname">sqlite_exec</span> -- <span class="refname">SQLiteDatabase->exec</span> — <span class="dc-title">Executes a result-less query against a given database</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>sqlite_exec</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$dbhandle</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$query</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter reference">&$error_msg</tt></span> ] )</div> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>sqlite_exec</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$query</tt></span> , <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$dbhandle</tt></span> )</div> <p class="para rdfs-comment">Object oriented style (method):</p> <div class="classsynopsis"> <div class="ooclass"><b class="classname">SQLiteDatabase</b></div> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>queryExec</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$query</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter reference">&$error_msg</tt></span> ] )</div> </div> <p class="para"> Executes an SQL statement given by the <i><tt class="parameter">query</tt></i> against a given database handle (specified by the <i><tt class="parameter">dbhandle</tt></i> parameter). </p> <div class="warning"><b class="warning">Warning</b> <p class="simpara"> SQLite <em class="emphasis">will</em> execute multiple queries separated by semicolons, so you can use it to execute a batch of SQL that you have loaded from a file or have embedded in a script. </p> </div> </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">query</tt></i></span> <dd> <p class="para"> The query to be executed. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">error_msg</tt></i></span> <dd> <p class="para"> The specified variable will be filled if an error occurs. This is specially important because SQL syntax errors can't be fetched using the <a href="function.sqlite-last-error.html" class="function">sqlite_last_error()</a> function. </p> </dd> </dt> </dl> </p> <blockquote><p><b class="note">Note</b>: <span class="simpara">Two alternative syntaxes aresupported for compatibility with other database extensions (such as MySQL).The preferred form is the first, where the <i><tt class="parameter">dbhandle</tt></i>parameter is the first parameter to the function.</span></p></blockquote> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> This function will return a boolean result; <b><tt>TRUE</tt></b> for success or <b><tt>FALSE</tt></b> for failure. If you need to run a query that returns rows, see <a href="function.sqlite-query.html" class="function">sqlite_query()</a>. </p> <p class="para">The column names returned by<b><tt>SQLITE_ASSOC</tt></b> and <b><tt>SQLITE_BOTH</tt></b> will becase-folded according to the value of the<a href="sqlite.configuration.html#ini.sqlite.assoc-case" class="link">sqlite.assoc_case</a> configurationoption.</p> </div> <div class="refsect1 changelog"> <h3 class="title">ChangeLog</h3> <p class="para"> <table class="informaltable"> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Version</th> <th colspan="1">Description</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">5.1.0</td> <td colspan="1" rowspan="1" align="left"> Added the <i><tt class="parameter">error_msg</tt></i> parameter </td> </tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Procedural example</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">'mysqlitedb'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #0000BB">sqlite_exec</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbhandle</span><span style="color: #007700">, </span><span style="color: #DD0000">"UPDATE users SET email='jDoe@example.com' WHERE username='jDoe'"</span><span style="color: #007700">, </span><span style="color: #0000BB">$error</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$query</span><span style="color: #007700">) {<br /> exit(</span><span style="color: #DD0000">"Error in query: '$error'"</span><span style="color: #007700">);<br />} else {<br /> echo </span><span style="color: #DD0000">'Number of rows modified: '</span><span style="color: #007700">, </span><span style="color: #0000BB">sqlite_changes</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbhandle</span><span style="color: #007700">);<br />}<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 example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$dbhandle </span><span style="color: #007700">= new </span><span style="color: #0000BB">SQLiteDatabase</span><span style="color: #007700">(</span><span style="color: #DD0000">'mysqlitedb'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$query </span><span style="color: #007700">= </span><span style="color: #0000BB">$dbhandle</span><span style="color: #007700">-></span><span style="color: #0000BB">queryExec</span><span style="color: #007700">(</span><span style="color: #DD0000">"UPDATE users SET email='jDoe@example.com' WHERE username='jDoe'"</span><span style="color: #007700">, </span><span style="color: #0000BB">$error</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$query</span><span style="color: #007700">) {<br /> exit(</span><span style="color: #DD0000">"Error in query: '$error'"</span><span style="color: #007700">);<br />} else {<br /> echo </span><span style="color: #DD0000">'Number of rows modified: '</span><span style="color: #007700">, </span><span style="color: #0000BB">$dbhandle</span><span style="color: #007700">-></span><span style="color: #0000BB">changes</span><span style="color: #007700">();<br />}<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-query.html" class="function" rel="rdfs-seeAlso">sqlite_query()</a></li> <li class="member"><a href="function.sqlite-unbuffered-query.html" class="function" rel="rdfs-seeAlso">sqlite_unbuffered_query()</a></li> <li class="member"><a href="function.sqlite-array-query.html" class="function" rel="rdfs-seeAlso">sqlite_array_query()</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-escape-string.html">sqlite_escape_string</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.sqlite-factory.html">sqlite_factory</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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