maxdb_fetch_field_direct

maxdb_result::fetch_field_direct

(PECL maxdb >= 1.0)

maxdb_fetch_field_direct -- maxdb_result::fetch_field_direct — Fetch meta-data for a single field

Description

Procedural style

maxdb_fetch_field_direct ( resource $result , int $fieldnr ) : mixed

Object oriented style

maxdb_result::fetch_field_direct ( int $fieldnr ) : mixed

maxdb_fetch_field_direct() returns an resource which contains field definition information 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 information or FALSE if no field information for specified fieldnr is available.

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)

Examples

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 example will output something similar to:

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

See Also