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    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.

    戻り値

    Number of elements, when process is successful,失敗した場合に false を返します.

    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)

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