©
本文档使用 PHP中文网手册 发布
(PECL CUBRID >= 8.3.1)
cubrid_fetch_field — Get column information from a result and return as an object
$result
[, int $field_offset
= 0
] )This function returns an object with certain properties of the specific column. The properties of the object are:
name
column name
table
name of the table that the column belongs to
def
default value of the column
max_length
maximum length of the column
not_null
1 if the column cannot be NULL
primary_key
1 if the column is a primary key
unique_key
1 if the column is an unique key
multiple_key
1 if the column is a non-unique key
numeric
1 if the column is numeric
blob
1 if the column is a BLOB
type
the type of the column
unsigned
1 if the column is unsigned
zerofill
1 if the column is zero-filled
result
result
comes from a call to cubrid_execute()
field_offset
The numerical field offset. If the field offset is not specified, the
next field (that was not yet retrieved by this function) is retrieved.
The field_offset
starts at 0.
Object with certain properties of the specific column, when process is successful.
FALSE
on failure.
Example #1 cubrid_fetch_field() example
<?php
$conn = cubrid_connect ( "localhost" , 33000 , "demodb" );
$req = cubrid_execute ( $conn , "SELECT event_code,athlete_code,nation_code,game_date FROM game WHERE host_year=1988 and event_code=20001;" );
var_dump ( cubrid_fetch_row ( $req ));
cubrid_field_seek ( $req , 1 );
$field = cubrid_fetch_field ( $req );
printf ( "\n--- Field Properties ---\n" );
printf ( "%-30s %s\n" , "name:" , $field -> name );
printf ( "%-30s %s\n" , "table:" , $field -> table );
printf ( "%-30s \"%s\"\n" , "default value:" , $field -> def );
printf ( "%-30s %d\n" , "max length:" , $field -> max_length );
printf ( "%-30s %d\n" , "not null:" , $field -> not_null );
printf ( "%-30s %d\n" , "primary key:" , $field -> primary_key );
printf ( "%-30s %d\n" , "unique key:" , $field -> unique_key );
printf ( "%-30s %d\n" , "multiple key:" , $field -> multiple_key );
printf ( "%-30s %d\n" , "numeric:" , $field -> numeric );
printf ( "%-30s %d\n" , "blob:" , $field -> blob );
printf ( "%-30s %s\n" , "type:" , $field -> type );
printf ( "%-30s %d\n" , "unsigned:" , $field -> unsigned );
printf ( "%-30s %d\n" , "zerofill:" , $field -> zerofill );
cubrid_close_request ( $req );
cubrid_disconnect ( $conn );
?>
以上例程会输出:
array(4) { [0]=> string(5) "20001" [1]=> string(5) "16681" [2]=> string(3) "KOR" [3]=> string(9) "1988-9-30" }--- Field Properties --- name: athlete_code table: game default value: "" max length: 0 not null: 1 primary key: 1 unique key: 1 multiple key: 0 numeric: 1 blob: 0 type: integer unsigned: 0 zerofill: 0