Php/docs/function.cubrid-lock-read
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 $oid
) : bool
The cubrid_lock_read() function is used to put read
lock on the instance pointed by given oid.
Parameters
conn_identifier- Connection identifier.
oid- OID of the instance that you want to put read lock on.
Return Values
TRUE, when process is successful.
FALSE, when process is unsuccessful.
Examples
Example #1 cubrid_lock_read() example
<?php$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 "
}
