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  <title>FieldMetadata constructor</title>

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</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> &mdash; <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">&lt;?php<br />$session&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">mysql_xdevapi</span><span style="color: #007700">\</span><span style="color: #0000BB">getSession</span><span style="color: #007700">(</span><span style="color: #DD0000">"mysqlx://user:password@localhost"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"DROP&nbsp;DATABASE&nbsp;IF&nbsp;EXISTS&nbsp;addressbook"</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"CREATE&nbsp;DATABASE&nbsp;foo"</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"CREATE&nbsp;TABLE&nbsp;foo.test_table(x&nbsp;int)"</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"INSERT&nbsp;INTO&nbsp;addressbook.names&nbsp;values&nbsp;('John',&nbsp;42),&nbsp;('Sam',&nbsp;33)"</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$sql&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">sql</span><span style="color: #007700">(</span><span style="color: #DD0000">"SELECT&nbsp;*&nbsp;from&nbsp;addressbook.names"</span><span style="color: #007700">)-&gt;</span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">$cols&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$sql</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getColumns</span><span style="color: #007700">();<br />&nbsp;&nbsp;<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$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] =&gt; mysql_xdevapi\FieldMetadata Object
        (
            [type] =&gt; 7
            [type_name] =&gt; BYTES
            [name] =&gt; name
            [original_name] =&gt; name
            [table] =&gt; names
            [original_table] =&gt; names
            [schema] =&gt; addressbook
            [catalog] =&gt; def
            [collation] =&gt; 255
            [fractional_digits] =&gt; 0
            [length] =&gt; 65535
            [flags] =&gt; 0
            [content_type] =&gt; 0
        )
    [1] =&gt; mysql_xdevapi\FieldMetadata Object
        (
            [type] =&gt; 1
            [type_name] =&gt; SINT
            [name] =&gt; age
            [original_name] =&gt; age
            [table] =&gt; names
            [original_table] =&gt; names
            [schema] =&gt; addressbook
            [catalog] =&gt; def
            [collation] =&gt; 0
            [fractional_digits] =&gt; 0
            [length] =&gt; 11
            [flags] =&gt; 0
            [content_type] =&gt; 0
        )
)
</pre></div>
   </div>
  </div>
 </div>


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