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maxdb_fetch_field_direct

PHP Manual
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maxdb_fetch_field_direct

(PECL)

(no version information, might be only in CVS)

result->fetch_field_direct -- Fetch meta-data for a single field

Description

Procedural style:

mixed maxdb_fetch_field_direct ( resource result, int fieldnr )

Object oriented style (method):

class result {

mixed fetch_field_direct ( int fieldnr )

}

maxdb_fetch_field_direct() returns an resource which contains field definition informations from specified resultset. The value of fieldnr must be in the range from 0 to number of fields - 1.

Return values

Returns an resource which contains field definition informations or FALSE if no field information for specified fieldnr is available.

Table 1. Object attributes

Attribute	Description
name	The name of the column
max_length	The maximum width of the field for the result set.
type	The data type used for this field
decimals	The number of decimals used (for integer fields)

Example

Example 1. Object oriented style


<?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();
?>

Example 2. Procedural style


<?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);
?>

The above examples would produce the following output:

Name:     CNO
Table:
max. Len: 4
Flags:    -1
Type:     0

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maxdb_fetch_assoc	Up	maxdb_fetch_field

maxdb_fetch_field_direct

Description

Return values

See also

Example