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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.maxdb-fetch-field-direct">
 <refnamediv>
  <refname>maxdb_fetch_field_direct</refname>
  <refname>result->fetch_field_direct</refname>
  <refpurpose>Fetch meta-data for a single field</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <para>Procedural style:</para>
  <methodsynopsis>
   <type>mixed</type><methodname>maxdb_fetch_field_direct</methodname>
   <methodparam><type>resource</type><parameter>result</parameter></methodparam>
   <methodparam><type>int</type><parameter>fieldnr</parameter></methodparam>
  </methodsynopsis>
  <para>Object oriented style (method):</para>
  <classsynopsis>
   <ooclass><classname>result</classname></ooclass>
   <methodsynopsis>
    <type>mixed</type>
    <methodname>fetch_field_direct</methodname>
    <methodparam><type>int</type><parameter>fieldnr</parameter></methodparam>
   </methodsynopsis>
  </classsynopsis>
  <para>
   <function>maxdb_fetch_field_direct</function> returns an resource which contains
   field definition informations from specified resultset. The value of fieldnr must be in the
   range from <literal>0</literal> to <literal>number of fields - 1</literal>.
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns an resource which contains field definition informations or &false; if no field information
   for specified <literal>fieldnr</literal> is available.
  </para>
  <para>
   <table>
    <title>Object attributes</title>
    <tgroup cols='2'>
     <thead>
      <row>
       <entry>Attribute</entry>
       <entry>Description</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>name</entry>
       <entry>The name of the column</entry>
      </row>
      <row>
       <entry>max_length</entry>
       <entry>The maximum width of the field for the result set.</entry>
      </row>
      <row>
       <entry>type</entry>
       <entry>The data type used for this field</entry>
      </row>
      <row>
       <entry>decimals</entry>
       <entry>The number of decimals used (for integer fields)</entry>
      </row>
     </tbody>
    </tgroup>
   </table>
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title>Object oriented style</title>
   <programlisting role="php">
<![CDATA[
<?php
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

$query = "SELECT name, cno from hotel.customer ORDER BY name";

if ($result = $maxdb->query($query)) {

   /* Get field information for column 'SurfaceArea' */
   $finfo = $result->fetch_field_direct(1);

   printf("Name:     %s\n", $finfo->name);
   printf("Table:    %s\n", $finfo->table);
   printf("max. Len: %d\n", $finfo->max_length);
   printf("Flags:    %d\n", $finfo->flags);
   printf("Type:     %d\n", $finfo->type);

   $result->close();
}

/* close connection */
$maxdb->close();
?>
]]>
   </programlisting>
  </example>
  <example>
   <title>Procedural style</title>
   <programlisting role="php">
<![CDATA[
<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

$query = "SELECT name, cno from hotel.customer ORDER BY name";

if ($result = maxdb_query($link, $query)) {

   /* Get field information for column 'cno' */
   $finfo = maxdb_fetch_field_direct($result, 1);

   printf("Name:     %s\n", $finfo->name);
   printf("Table:    %s\n", $finfo->table);
   printf("max. Len: %d\n", $finfo->max_length);
   printf("Flags:    %d\n", $finfo->flags);
   printf("Type:     %d\n", $finfo->type);

   maxdb_free_result($result);
}

/* close connection */
maxdb_close($link);
?>
]]>
   </programlisting>
  </example>
  <para>
   The above examples would produce the following output:
  </para>
  <screen>
<![CDATA[
Name:     CNO
Table:
max. Len: 4
Flags:    -1
Type:     0
]]>
  </screen>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>maxdb_num_fields</function></member>
    <member><function>maxdb_fetch_field</function></member>
    <member><function>maxdb_fetch_fields</function></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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