Php/docs/function.cubrid-set-drop
cubrid_set_drop
(PECL CUBRID >= 8.3.0)
cubrid_set_drop — Delete an element from set type column using OID
说明
cubrid_set_drop
( resource $conn_identifier
, string $oid
, string $attr_name
, string $set_element
) : bool
The cubrid_set_drop() function is used to delete an element that you request from the given set type (set, multiset) attribute of the database.
参数
conn_identifier- Connection identifier.
oid- OID of the instance you want to work with.
attr_name- Name of the attribute you want to delete an element from.
set_element- Content of the element you want to delete.
返回值
true, when process is successful.
false, when process is unsuccessful.
范例
Example #1 cubrid_set_drop() example
<?php$conn = cubrid_connect("localhost", 33000, "demodb", "dba");@cubrid_execute($conn, "DROP TABLE foo");cubrid_execute($conn, "CREATE TABLE foo(a int AUTO_INCREMENT, b set(int), c list(int), d char(10))");cubrid_execute($conn, "INSERT INTO foo(a, b, c, d) VALUES(1, {1,2,3}, {11,22,33,333}, 'a')");$req = cubrid_execute($conn, "SELECT * FROM foo", CUBRID_INCLUDE_OID);cubrid_move_cursor($req, 1, CUBRID_CURSOR_FIRST);$oid = cubrid_current_oid($req);$attr = cubrid_col_get($conn, $oid, "b");var_dump($attr);cubrid_set_drop($conn, $oid, "b", "1");$attr = cubrid_col_get($conn, $oid, "b");var_dump($attr);cubrid_close_request($req);cubrid_disconnect($conn);?>
以上例程会输出：
array(3) {
[0]=>
string(1) "1"
[1]=>
string(1) "2"
[2]=>
string(1) "3"
}
array(2) {
[0]=>
string(1) "2"
[1]=>
string(1) "3"
}
