cubrid_col_size
(PECL CUBRID >= 8.3.0)
cubrid_col_size — Get the number of elements in collection type column using OID
説明
cubrid_col_size
( resource $conn_identifier
, string $oid
, string $attr_name
) : int
The cubrid_col_size() function is used to get the number of elements in a collection type (set, multiset, sequence) attribute.
パラメータ
conn_identifier- Connection identifier.
oid- OID the instance that you want to work with.
attr_name- Name of the attribute that you want to work with.
返り値
Number of elements, when process is successful.
false, when process is unsuccessful.
変更履歴
| バージョン | 説明 |
|---|---|
| 8.3.1 | Change return value: when process is unsuccessful, return false, not -1. |
例
例1 cubrid_col_size() example
<?php$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);$size = cubrid_col_size($conn, $oid, "b");var_dump($size);cubrid_close_request($req);cubrid_disconnect($conn);?>
上の例の出力は以下となります。
array(3) {
[0]=>
string(1) "1"
[1]=>
string(1) "2"
[2]=>
string(1) "3"
}
int(3)
