cubrid_field_flags
(PECL CUBRID >= 8.3.0)
cubrid_field_flags — Return a string with the flags of the given field offset
说明
cubrid_field_flags (
resource
$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
-
result
comes from a call to cubrid_execute() -
field_offset
-
The numerical field offset. The
field_offset
starts at 0. Iffield_offset
does not exist, an error of levelE_WARNING
is 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