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maxdb_fetch_field

(no version information, might be only in CVS)

maxdb_fetch_field -- Returns the next field in the result set

Description

Процедурный стиль:

mixed maxdb_fetch_field ( resource result )

The maxdb_fetch_field() returns the definition of one column of a result set as an resource. Call this function repeatedly to retrieve information about all columns in the result set. maxdb_fetch_field() returns FALSE when no more fields are left.

Return values

Returns a resource which contains field definition information or FALSE if no field information is available.

Таблица 1. 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)

Example

Пример 1. Процедурный стиль


<?php

$link 
= 
maxdb_connect
(
"localhost"
, 
"MONA"
, 
"RED"
);




/* 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 fields */

   
while (
$finfo 
= 
maxdb_fetch_field
(
$result
)) {

 

       
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\n"
, 
$finfo
->
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

Все функции PHP:

maxdb_fetch_field

Description

Return values

Смотрите также

Example