Php maxdb fetch fields () function

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maxdb_fetch_fields

(no version information, might be only in CVS)

result->fetch_fields -- Returns an array of resources representing the fields in a result set

Syntax

Procedural Style:

mixed maxdb_fetch_fields ( resource result )

Object oriented style (method):

class result {

mixed fetch_fields ( void )

}

This function serves an identical purpose to the maxdb_fetch_field() function with the single difference that, instead of returning one resource at a time for each field, the columns are returned as an array of resources.

Return values

Returns an array of resources which contains field definition informations or FALSE if no field information is available.

Table 1. Object properties

Property	Syntax
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 cno";

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

   /* Get field information for all columns */
   $finfo = $result->fetch_fields();

   for ($i=0; $i < count($finfo); $i++) { 
       printf("Name:     %s\n", $finfo[$i]->name);
       printf("Table:    %s\n", $finfo[$i]->table);
       printf("max. Len: %d\n", $finfo[$i]->max_length);
       printf("Flags:    %d\n", $finfo[$i]->flags);
       printf("Type:     %d\n\n", $finfo[$i]->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 cno";

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

   /* Get field information for all columns */
   $finfo = maxdb_fetch_fields($result);
 
   for ($i=0; $i < count($finfo); $i++) { 
       printf("Name:     %s\n", $finfo[$i]->name);
       printf("Table:    %s\n", $finfo[$i]->table);
       printf("max. Len: %d\n", $finfo[$i]->max_length);
       printf("Flags:    %d\n", $finfo[$i]->flags);
       printf("Type:     %d\n\n", $finfo[$i]->type);
   }    
   maxdb_free_result($result);
}

/* close connection */
maxdb_close($link);
?>

The above examples would produce the following output:

Name:     NAME
Table:
max. Len: 10
Flags:    -1
Type:     2

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

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Php maxdb fetch fields syntax tutorial

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