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cubrid_lob2_write

(PECL CUBRID >= 8.4.1)

cubrid_lob2_write寫入 lob 物件

說明

cubrid_lob2_write(資源 $lob_identifier, 字串 $buf): 布林值

cubrid_lob2_write() 函式從 buf 讀取盡可能多的資料,並將其儲存到 LOB 物件。請注意,此函式目前只能附加字元。

參數

lob_identifier

透過 cubrid_lob2_new() 函數產生的 LOB 物件識別碼,或是從結果集中取得。

buf

需要寫入 LOB 物件的資料。

回傳值

成功時回傳 true,失敗時回傳 false

範例

範例 #1 cubrid_lob2_write() 範例 1

<?php
// test_lob (id INT, contents CLOB)

$conn = cubrid_connect("localhost", 33000, "demodb", "dba", "");

cubrid_execute($conn,"DROP TABLE if exists test_lob");
cubrid_execute($conn,"CREATE TABLE test_lob (id INT, contents CLOB)");

$req = cubrid_prepare($conn, "INSERT INTO test_lob VALUES(2, ?)");

$lob = cubrid_lob2_new($conn, 'CLOB');
$len = cubrid_lob2_write($lob, "Hello world");

cubrid_lob2_bind($req, 1, $lob);
cubrid_execute($req);

cubrid_disconnect($conn);
?>

範例 #2 cubrid_lob2_write() 範例 2

<?php
// test_lob (id INT, contents CLOB)

$conn = cubrid_connect("localhost", 33000, "demodb", "dba", "");

cubrid_execute($conn,"DROP TABLE if exists test_lob");
cubrid_execute($conn,"CREATE TABLE test_lob (id INT, contents CLOB)");

$req = cubrid_prepare($conn, "INSERT INTO test_lob VALUES(1, ?)");
$lob1 = cubrid_lob2_new($conn, 'CLOB');
$len = cubrid_lob2_write($lob1, "cubrid php driver");
cubrid_lob2_bind($req, 1, $lob1);
cubrid_execute($req);

$req = cubrid_execute($conn, "select * from test_lob");

$row = cubrid_fetch_row($req, CUBRID_LOB);
$lob2 = $row[1];
cubrid_lob2_seek($lob2, 0, CUBRID_CURSOR_LAST);

$pos = cubrid_lob2_tell($lob2);
print
"寫入前的游標位置: $pos\n";

cubrid_lob2_write($lob2, "Hello world");

$pos = cubrid_lob2_tell($lob2);
print
"寫入後的游標位置: $pos\n";

cubrid_disconnect($conn);
?>

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