PHP 5.4.33 Released

maxdb_fetch_fields

maxdb_result::fetch_fields

(PECL maxdb >= 1.0)

maxdb_fetch_fields -- maxdb_result::fetch_fieldsReturns an array of resources representing the fields in a result set

Descrição

Estilo procedural

mixed maxdb_fetch_fields ( resource $result )

Estilo orientado à objeto

mixed maxdb_result::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.

Valor Retornado

Returns an array of resources which contains field definition information 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)

Exemplos

Exemplo #1 Estilo orientado à objeto

<?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();
?>

Exemplo #2 Estilo procedural

<?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);
?>

O exemplo acima irá imprimir algo similar à:

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

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

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