<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.3 $ -->
  <refentry 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>
    <title>Description</title>
     <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>
    <title>Return values</title>
    <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>
    <title>See also</title>
    <para>
     <function>maxdb_num_fields</function>
     <function>maxdb_fetch_field</function>
     <function>maxdb_fetch_fields</function>
    </para>
   </refsect1>
   <refsect1>
    <title>Example</title>
    <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>
  </refentry>

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