cubrid_lob2_write

(PECL CUBRID >= 8.4.1)

cubrid_lob2_write写入 lob 对象

说明

cubrid_lob2_write(资源 $lob_identifier, 字符串 $buf): 布尔型

cubrid_lob2_write() 函数从 buf 读取尽可能多的数据并将其存储到 LOB 对象中。请注意,此函数目前只能追加字符。

参数

lob_identifier

LOB 标识符,作为 cubrid_lob2_new() 的结果或从结果集获取。

buf

需要写入 lob 对象的数据。

返回值

成功时返回 true,失败时返回 false

范例

范例 #1 cubrid_lob2_write() 范例 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);
?>

范例 #2 cubrid_lob2_write() 范例 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
"pos before write: $pos\n";

cubrid_lob2_write($lob2, "Hello world");

$pos = cubrid_lob2_tell($lob2);
print
"pos after write: $pos\n";

cubrid_disconnect($conn);
?>

参见

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