Set a read lock on the given OID
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    cubrid_lock_read

    (PECL CUBRID >= 8.3.0)

    cubrid_lock_read — Set a read lock on the given OID

    Description

    cubrid_lock_read(resource $conn_identifier, string $oid): bool

    The cubrid_lock_read() function is used to put read lock on the instance pointed by given oid.

    Parameters

    conn_identifier

    Connection identifier.

    oid

    OID of the instance that you want to put read lock on.

    Return Values

    Returns true on success or false on failure.

    Examples

    Example #1 cubrid_lock_read() 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')");cubrid_execute($conn, "INSERT INTO foo(a, b, c, d) VALUES(2, {4,5,7}, {44,55,66,666}, 'b')");$req = cubrid_execute($conn, "SELECT * FROM foo", CUBRID_INCLUDE_OID);cubrid_move_cursor($req, 1, CUBRID_CURSOR_FIRST);$oid = cubrid_current_oid($req);cubrid_lock_read($conn, $oid);$attr = cubrid_get($conn, $oid, "b");var_dump($attr);$attr = cubrid_get($conn, $oid);var_dump($attr);cubrid_close_request($req);cubrid_disconnect($conn);?>

    The above example will output:

    string(9) "{1, 2, 3}"
array(4) {
  ["a"]=>
  string(1) "1"
  ["b"]=>
  array(3) {
    [0]=>
    string(1) "1"
    [1]=>
    string(1) "2"
    [2]=>
    string(1) "3"
  }
  ["c"]=>
  array(4) {
    [0]=>
    string(2) "11"
    [1]=>
    string(2) "22"
    [2]=>
    string(2) "33"
    [3]=>
    string(3) "333"
  }
  ["d"]=>
  string(10) "a         "
}

    See Also