<!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>FieldMetadata constructor</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="class.mysql-xdevapi-fieldmetadata.html">mysql_xdevapi\FieldMetadata</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.mysql-xdevapi-result.html">mysql_xdevapi\Result</a></div> <div class="up"><a href="class.mysql-xdevapi-fieldmetadata.html">mysql_xdevapi\FieldMetadata</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="mysql-xdevapi-fieldmetadata.construct" class="refentry"> <div class="refnamediv"> <h1 class="refname">FieldMetadata::__construct</h1> <p class="verinfo">(No version information available, might only be in Git)</p><p class="refpurpose"><span class="refname">FieldMetadata::__construct</span> — <span class="dc-title">FieldMetadata constructor</span></p> </div> <div class="refsect1 description" id="refsect1-mysql-xdevapi-fieldmetadata.construct-description"> <h3 class="title">Description</h3> <div class="constructorsynopsis dc-description"> <span class="modifier">private</span> <span class="methodname"><strong>mysql_xdevapi\FieldMetadata::__construct</strong></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> Provides metadata about a table. A FieldMetadata object is provided by other methods, such as RowResult::getColumns() as demonstrated in the example that follows. </p> </div> <div class="refsect1 parameters" id="refsect1-mysql-xdevapi-fieldmetadata.construct-parameters"> <h3 class="title">Parameters</h3> <p class="para">This function has no parameters.</p> </div> <div class="refsect1 examples" id="refsect1-mysql-xdevapi-fieldmetadata.construct-examples"> <h3 class="title">Examples</h3> <div class="example" id="example-2054"> <p><strong>Example #1 <span class="function"><strong>mysql_xdevapi\RowResult::getColumns()</strong></span> example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$session </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_xdevapi</span><span style="color: #007700">\</span><span style="color: #0000BB">getSession</span><span style="color: #007700">(</span><span style="color: #DD0000">"mysqlx://user:password@localhost"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-></span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"DROP DATABASE IF EXISTS addressbook"</span><span style="color: #007700">)-></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-></span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"CREATE DATABASE foo"</span><span style="color: #007700">)-></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-></span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"CREATE TABLE foo.test_table(x int)"</span><span style="color: #007700">)-></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-></span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"INSERT INTO addressbook.names values ('John', 42), ('Sam', 33)"</span><span style="color: #007700">)-></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= </span><span style="color: #0000BB">$session</span><span style="color: #007700">-></span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"SELECT * from addressbook.names"</span><span style="color: #007700">)-></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$cols </span><span style="color: #007700">= </span><span style="color: #0000BB">$sql</span><span style="color: #007700">-></span><span style="color: #0000BB">getColumns</span><span style="color: #007700">();<br /> <br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$cols</span><span style="color: #007700">);</span> </span> </code></div> </div> <div class="example-contents"><p>The above example will output something similar to:</p></div> <div class="example-contents screen"> <div class="cdata"><pre> Array ( [0] => mysql_xdevapi\FieldMetadata Object ( [type] => 7 [type_name] => BYTES [name] => name [original_name] => name [table] => names [original_table] => names [schema] => addressbook [catalog] => def [collation] => 255 [fractional_digits] => 0 [length] => 65535 [flags] => 0 [content_type] => 0 ) [1] => mysql_xdevapi\FieldMetadata Object ( [type] => 1 [type_name] => SINT [name] => age [original_name] => age [table] => names [original_table] => names [schema] => addressbook [catalog] => def [collation] => 0 [fractional_digits] => 0 [length] => 11 [flags] => 0 [content_type] => 0 ) ) </pre></div> </div> </div> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="class.mysql-xdevapi-fieldmetadata.html">mysql_xdevapi\FieldMetadata</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.mysql-xdevapi-result.html">mysql_xdevapi\Result</a></div> <div class="up"><a href="class.mysql-xdevapi-fieldmetadata.html">mysql_xdevapi\FieldMetadata</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>