cubrid_field_flags
(PECL CUBRID >= 8.3.0)
cubrid_field_flags — Return a string with the flags of the given field offset
说明
$result
, int $field_offset
) : string
This function returns a string with the flags of the given field offset
separated by space. You can split the returned value using explode. The
possible flags could be: not_null,
primary_key, unique_key,
foreign_key, auto_increment,
shared, reverse_index,
reverse_unique and timestamp.
参数
-
result -
resultcomes from a call to cubrid_execute() -
field_offset -
The numerical field offset. The
field_offsetstarts at 0. Iffield_offsetdoes not exist, an error of levelE_WARNINGis also issued.
返回值
A string with flags, when process is successful.
FALSE when invalid field_offset value.
-1 if SQL sentence is not SELECT.
范例
Example #1 cubrid_field_flags() example
<?php
$conn = cubrid_connect("localhost", 33000, "demodb");
$result = cubrid_execute($conn, "SELECT * FROM game WHERE host_year=2004 AND nation_code='AUS' AND medal='G'");
$col_num = cubrid_num_cols($result);
printf("%-30s %s\n", "Field Name", "Field Flags");
for($i = 0; $i < $col_num; $i++) {
printf("%-30s %s\n", cubrid_field_name($result, $i), cubrid_field_flags($result, $i));
}
cubrid_disconnect($conn);
?>
以上例程会输出：
Field Name Field Flags host_year not_null primary_key unique_key event_code not_null primary_key unique_key foreign_key athlete_code not_null primary_key unique_key foreign_key stadium_code not_null nation_code medal game_date