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maxdb_fetch_fields

result->fetch_fields

(No version information available, might be only in CVS)

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

说明

Procedural Style:

mixed maxdb_fetch_fields ( resource $result )

Object oriented style (method):

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.

返回值

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

Object properties
Property 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)

范例

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();

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

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