PHP Conference Japan 2024

cubrid_lock_write

(PECL CUBRID >= 8.3.0)

cubrid_lock_write在指定的 OID 上設定寫入鎖定

說明

cubrid_lock_write(資源 $conn_identifier, 字串 $oid): 布林值

函數 cubrid_lock_write() 用於對指定 oid 所指向的實例加上寫入鎖定。

參數

conn_identifier

連線識別碼。

oid

您想要加上寫入鎖定的實例之 OID。

傳回值

成功時傳回 true,失敗時傳回 false

範例

範例 #1 cubrid_lock_write() 範例

<?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_write($conn, $oid);

$attr = cubrid_col_get($conn, $oid, "b");
var_dump($attr);

cubrid_put($conn, $oid, "b", array(2, 4, 8));

$attr = cubrid_col_get($conn, $oid, "b");
var_dump($attr);

cubrid_close_request($req);
cubrid_disconnect($conn);
?>

上述範例將輸出

array(3) {
  [0]=>
  string(1) "1"
  [1]=>
  string(1) "2"
  [2]=>
  string(1) "3"
}
array(3) {
  [0]=>
  string(1) "2"
  [1]=>
  string(1) "4"
  [2]=>
  string(1) "8"
}

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