cubrid_fetch_field
(PECL CUBRID >= 8.3.0)
cubrid_fetch_field — Returns an object with certain properties
Description
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
- unique_key
-
1 if the column is an unique key
- multiple_key
-
1 if the column is a non-unique key
- numeri
-
1 if the column is numeric
- type
-
the type of the column
Parameters
- req_identifier
-
This is the request identifier.
- 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.
Return Values
Object with certain properties of the specific column, when process is successful.
FALSE on failure.
Examples
Example #1 cubrid_fetch_field() example
<?php
$link = cubrid_connect("localhost", 30000, "demodb2", "dba", "");
if (!$link)
{
die('Could not connect.');
}
$query = 'SELECT name, address, salary FROM employees';
$result = cubrid_execute($link, $query);
if ($result)
{
echo "Fetching column 0 fields: ";
$meta = cubrid_fetch_field($result, 0);
if (!$meta)
{
echo "No information available<br />\n";
}
echo "<pre>
max_length: $meta->max_length
multiple_key: $meta->multiple_key
name: $meta->name
not_null: $meta->not_null
numeric: $meta->numeric
table: $meta->table
type: $meta->type
default: $meta->def
unique_key: $meta->unique_key
</pre>";
cubrid_close_request($result);
}
?>
The above example will output:
Result: Fetching column 0 fields: max_length: 13 multiple_key: 1 name: name not_null: 1 numeric: 0 table: employees type: STRING default: [noname] unique_key: 0