Set a read lock on the given OID


(PECL CUBRID >= 8.3.0)

cubrid_lock_readSet a read lock on the given OID

Описание

bool cubrid_lock_read ( resource $conn_identifier , string $oid )

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

Список параметров

conn_identifier

Connection identifier.

oid

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

Возвращаемые значения

TRUE, when process is successful.

FALSE, when process is unsuccessful.

Примеры

Пример #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($req1CUBRID_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);
?>

Результат выполнения данного примера:

 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         " } 

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